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Al-Farghani, Alfraganus, Amateur Astronomer, Amateurs, Anders Angstrom, Arecibo Observatory, Asteroid Belt, Asteroid,
Astronomical, Astronomy, Atacama, Bernhard Schmidt, Big Horn Medicine Wheel, Black Hole, Bolide, Brian Timmins,
Brians Timelines, brianstimelines, CADC, Cahokia Mounds, Caltech, June 2000, Cambridge University,
Canadian Astronomy Data Centre, Carl Sagan, Carl Seyfert, Cerro Tololo Interamerican Observatory, Chaco Canyon,
Chandra Chankillo, Charles Messier, Chichen Itza, Chris Lintott, Christiaan Huygens, Chronological Facts, Chronological,
Chronology, Clyde Tombaugh, Comet, Copernicus, CTIO, DAO, Dark Matter, Dominion Astrophysical Observatory,
Dominion Radio Astrophysical Observatory, DRAO, Dwarf Planet, Earth, Edmond Halley, Edwin Hubble, Einstein, Ejnar Hertzsprung,
ESA, ESIS, ESO, European Southern Observatory, European Space Information System, Events, Fajata Butte, Fred Hoyle, Fritz Zwicky,
Galactic, Galaxy, Galileo Galilei, Galileo, Gemini, George Hale, Gerard Kuiper, Giovanni Cassini, GLAST, Goseck Circle,
Gravity Lens, Gravity Lensing, Gravity, Halley, Historical Event, History, HST Astrometry Science Team, Hubble,
Hypernova, Institute Of Astronomy And Royal Greenwich Observatory, Isaac Newton, James Van Allen, James Webb,
Jet Propulsion Laboratory, Johannes Kepler, Joseph Von Fraunhofer, Joseph-Louis Lagrange, JPL, Jupiter, Karl Schwarzchild,
Keplers Laws, Kitt Peak National Observatory, KPNO, Kuiper Belt, Las Campanas And Magellan, Las Campanas Observatory,
Light Year, Machu Picchu, Magellan Project, Mars, Mauna Kea, Mcdonald Observatory, Mercury, Meteor, Meteorite,
Meteoroid, Milky Way, MIT, Moon, Mount Stromlo And Siding Springs Observatories, Mount Wilson Observatory, MSO & SSO,
NASA, National Aeronautics And Space Administration, National Astronomy And Ionosphere Center,
National Observatory Of Japan, National Optical Astronomy Observatories, National Radio Astronomy Observatory,
National Solar Observatory, Nebula, Nebulae, Neptune, Neutron Star, Newgrange, Newton, Nicolaus Copernicus, Night Sky, NOAO,
Nova, NRAO, NSO, Observation, Observatories Of The Carnegie Institution Of Washington, Observatory, Oort Cloud, Parsec,
Patrick Moore, Planets, Pluto, Ptolemaiac, Ptolemaic, Ptolemy, Pulsar, Quark Star, Quasar, Royal Greenwich Observatory,
Sacramento Peak, SAO, Saturn, Search For Extra Terrestrial Intelligence, SETI, Sir Fred Hoyle, Sir Isaac Newton, Sir Patrick Moore,
Site, Sky At Night, Smithsonian Astrophysical Observatory, SOHO, Solar System, Space Telescope Electronic Information System,
Space Telescope Science Institute, Space, Spitzer, Stars, STEIS, Stephen Hawking, Stonehenge, STSCI, Subaru,
Subramanyan Chandrasekhar, Sunspot, Supernova, Gemini 8M Telescopes Project, Miami Circle, Temple At Karnak,
Very Large Telescope Project, Theory Of Relativity, Time Line, Time Scale, Time, Time-Lines, Timeline, Timelines, Timescale,
Timmins, Tycho Brahe, U.Mass Amherst, UKIRT, United Kingdom Infra-Red Telescope, University Of Massachusetts Astronomy,
University Of Texas Department Of Astronomy, Uranus, Ut-Austin, Venus, Virtual Observatory Conference, VLT,
Wallace Astrophysical Observatory, William Herschel, Woodhenge,
Lunar Distance, Astronomical Unit, Light Year, Parsec, Newton's Laws Of Motion, Solar Mass, Event Horizon,
Keplers Three Laws Of Planetary Motion, The Law Of Orbits, The Law Of Areas, The Law Of Harmonics, Singularity,
Newton's Law Of Gravitation, Hubble Constant, The Roche Limit, Schwarzchild Radius, Universal Gravitational Constant "G",
Abberation, Absorption Lines, Albedo, Aphelion, Apogee, Apparent Motion, Asteroid Belt, Azimuth And Elevation, Balmer Series,
Black Body Radiation, Black Hole, Bradley's Aberration, Chromosphere, Cherenkov Radiation, Comet, Corona, Coronal Hole,
Coronal Mass Ejection, CME, Declination, Eccentricity, Ecliptic, Epicycle, Equatorial Axis, Hohmann Orbit, Hydrogen Spectrum,
Klemperer Rosette, Kuiper Belt, Lagrangian Points, Libration, Luminance, Luminosity, Mach's Formulation, Mean Anomaly, Multiplet,
Neutron Star, Nodal, Nodal Month, Nutation, Nutation Cycle, Oblateness, Obliquity, Oort Cloud, Orbit, Orbital Elements,
Orbital Inclination, Orbital Motion Anomaly, Orbital Period, Parallax, Perhelion, Perigee, Perturbation, PHA,
Photosphere, Plane Of The Ecliptic, Precession, Precession Cycle, Primary, Primordial Microwaves, Prominence,
Retrograde Motion, Right Ascension And Declination, Semimajor, Sidereal Day, Sidereal Month, Sidereal Time, Sodium Spectrum,
Solar Activity, Solar Cycle, Solar Energetic Particles, Solar Flare, Solar Wind, Spectral Line, Stellar Evolution, Supernova,
Synodic, Synodic Period, Synodic Month, Transit, True Anomaly, Urca Process, Van Allen Radiation Belt, Zeeman Effect,
Achromatic Refractor, Apochromatic Refractor, Newtonian Reflector, Schmidt-Cassegrain, Maksutov-Cassegrain,
Schmidt-Newtonian, Maksutov-Newtonian, Dobsonian, Ritchey-Chretien, Adaptive And Multi Mirror Optics,
Huygenian Eyepiece, Ramsden Eyepiece, Kellner Eyepiece, Orthoscopic Eyepiece, Plossl Eyepiece, Wide Field Eyepieces,
Erfle Eyepiece, Konig Eyepiece, Nagler Eyepiece
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Chronological Launch List For Astronomical Satellites & Probes
|
Launching Authorities or Sponsors |
| ASI: | Agenzia Spaziale Italiana |
| BNSC: | British National Space Centre |
| CNES: | French National Centre for the Study of Space |
| CNSA: | China National Space Agency |
| ESA: | European Space Agency |
| INTA: | Instituto Nacional de Tecnica Aerospacial |
| ISAS: | Institute of Space and Astronautical Science - Japan |
| ISRO: | Indian Space Research Organisation |
| NASA: | National Aeronautics and Space Administration - USA |
| NIVR: | Netherlands Agency for Aerospace Programmes |
| STFC: | Science and Technologies Facilities Council (ex SRC, ex PPARC) - UK |
| RSRI: | Russian Space Research Institute |
| Logistics |
Mission & Instrumentation |
Comments |
Launch Date: 26 April 1962
Launch Name: UK1 Renamed: Ariel 1 Vehicle: Thor-Delta Site: Cape Canaveral
Authority: STFC(ex SRC) Useful Life: 2.5 years |
Mass: 60 kg Perigee: 398 km Apogee: 1,203 km Inclination: 53.80°
Period: 100.80' |
Research and exploration of the upper atmosphere and outer space by investigating Solar UV, X-Rays and Primary Cosmic Rays |
The honor of the first astronomical satellite project goes to the United Kingdom. Functional life was only just over one
year as it was turned off in the middle of its life for about 1.5 years |
Launch Date: 27 March 1964
Launch Name: UK2 Renamed: Ariel 2 Vehicle: Scout X-3 Site: Wallops Island
Authority: STFC(ex SRC) Useful Life:  |
Mass: 68 kg Perigee: 287 km Apogee: 1,349 km Inclination: 51.70°
Period: 101.30' |
3 experiments to measure galactic radio noise |
|
Launch Date: 8 April 1966
Launch Name: OAO-1 Vehicle: Atlas-Agena D Site: Cape Canaveral
Authority: NASA Useful Life: 3 days |
Mass: 1769 kg Perigee: 788 km Apogee: 800 km Inclination: 35°
Period: 100.8' |
Precision astronomical observations and to measure the absorption and emission characteristics of the stars,
planets, nebulae, and the interplanetary and interstellar media from visible to gamma-ray regions |
Battery failure terminated mission
|
Launch Date: 5 May 1967
Launch Name: UK3 Renamed: Ariel 3 Vehicle: Scout A (S155C) Site: Vandenberg
Authority: STFC(ex SRC) Useful Life: ∼2 years |
Mass: 90 kg Perigee: 499 km Apogee: 604 km Inclination: 80.60°
Period: 95.60' |
Research and exploration of the upper atmosphere and outer space by investigating Solar UV, X-Rays and Primary Cosmic Rays |
 |
Launch Date: 7 December 1968
Launch Name: OAO-2 Vehicle: Atlas-Centaur Site: Cape Canaveral
Authority: NASA Useful Life:  |
Mass: 2150 kg Perigee: 759 km Apogee: 767 km Inclination: 35°
Period: 100.1' |
UV Astronomy
- Four stellar photometers (1000 to 4250 A)
- Two scanning spectrometers (1000 to 4000 A)
- One nebular photometer (2000 to 3300 A)
- Four independent telescopic Schwarzschild cameras (1200 to 2900 A)
|
It detected a supernova in May 1972, as well as the first UV radiation from the center of the Andromeda Galaxy M31
|
Launch Date: 4 July 1968
Launch Name: Explorer 38 Renamed: RAE-1 Vehicle: Delta Site: Vandenberg
Authority: NASA Useful Life:  |
Mass: 190 kg Perigee: 5851 km Apogee: 5861 km Inclination: 120.6°
Period: 224.4' |
Radio Astronomy
- A 136-MHz telemetry turnstile
- 4 step-frequency Ryle-Vonberg radiometers operating from 0.45 to 9.18 MHz
- 2 multichannel total power radiometers operating from 0.2 to 5.4 MHz
- A one step frequency V-antenna impedance probe operating from 0.24 to 7.86 MHz
- One dipole antenna capacitance probe operating from 0.25 to 2.2 MHz
|
RAE-1 was part of the explorer series (Explorer 38) and was put in Earth orbit and deployed four 230-meter (755 ft) antennae;
it discovered that Earth emits radio waves similar to Jupiter. Though designed for a year's work it started to deteriorate after 2 months
|
The 1970s |
Launch Date: 30 November 1970
Launch Name: OAO-B Vehicle: Atlas-Centaur Site: Cape Canaveral
Authority: NASA |
Mass: 2122.8 kg |
|
Failed to achieve earth orbit and crashed into the Atlantic
|
Launch Date: 12 December 1970
Launch Name: SAS-A Renamed: Uhuru Vehicle: Scout Site: San Marco
Authority: NASA Useful Life:  |
Mass: 141.5 kg Perigee: 531 km Apogee: 572 km Inclination: 3°
Period: 95.7' |
The primary mission of Uhuru was to develop a catalog of celestial X-ray sources by systematic scanning of the celestial sphere in the energy range from 2 to 20 keV |
aka Small Astronomy Satellite 1, aka Explorer 42
|
Launch Date: 11 December 1971
Launch Name: UK4 Renamed: Ariel 4 Vehicle: Scout B-1 (S183C) Site: Vandenberg
Authority: STFC Useful Life:  |
Mass: 100 kg Perigee: 476 km Apogee: 592 km Inclination: 82.00°
Period: 95.30' |
|
 |
Launch Date: 12 March 1972
Launch Name: TD-1A Vehicle: Thor-Delta Site: Vandenberg
Authority: ESA Useful Life:  |
Mass: 472 kg Perigee: 536 km Apogee: 557 km Inclination: 97.5°
Period: 95.6' |
Systematic sky survey in the ultraviolet and high-energy regions of the spectrum by measuring UV,
X and gamma rays, plus heavy nuclei |
The scientific output of these experiments suffered severely due to the electromagnetic interference from ground-based radar systems hampering the pointing operations
|
Launch Date: 21 August 1972
Launch Name: OAO-3 Renamed: Copernicus Vehicle: Atlas-Centaur Site: Cape Canaveral
Authority: NASA Useful Life: 9.5 yrs |
Mass: 2150 kg Perigee: 739 km Apogee: 751 km Inclination: 35°
Period: 99.7' |
UV and Cosmic X-ray astronomy
- 80-cm UV telescope with a spectrometer measured high-resolution spectra of stars, galaxies, and planets with the main
emphasis on the determination of interstellar absorption lines
- Three X-ray telescopes and a collimated proportional counter provided measurements of celestial X-ray sources and
interstellar absorption between 1 and 100 A.
|
The main experiment was an ultraviolet telescope. However, it also contained a cosmic X-ray experiment provided by University
College London/MSSL. The main body of Copernicus measured 3 x 2 meters. The solar pannels were fixed at an angle of 34 degrees
to the observing axis, and were kept within 30 degrees of the Sun. This restriction resulted in certain parts of the sky being
visible only at certain parts of the year
|
Launch Date: 15 November 1972
Launch Name: SAS-B Vehicle: Scout Site: San Marco
Authority: NASA Useful Life: 7 months |
Mass: 166 kg Perigee: 443 km Apogee: 632 km Inclination: 1.9°
Period: 95.4' |
Objective was to measure the spatial and energy distribution of primary galactic and extragalactic gamma radiation
with energies between 20 and 300 MeV
- One guard scintillation detector
- Two spark chambers
- One charged particle telescope
|
aka Small Astronomy Satellite 2, aka Explorer 48
|
Launch Date: 10 June 1973
Launch Name: Explorer 49 Renamed: RAE-2 Vehicle: Delta Site: Cape Canaveral
Authority: NASA Useful Life: 1 year |
Mass: 328 kg Perigee: 1052.98 km Apogee: 1063.84 km Inclination: 55.7°
Period: 221.17' |
Radio Astronomy
- 2 Ryle-Vonberg radiometers (nine channels each)
- 3 swept-frequency burst receivers (32 channels each)
- An impedance probe for calibration
|
RAE-2 was part of the explorer series (Explorer 49) and was was put into Lunar orbit, and investigated solar and galactic radio
radiation, using the Moon to "shield" Earth with its radio noise
|
Launch Date: 30 August 1974
Launch Name: ANS-1 Vehicle: Scout Site: Vandenberg
Authority: NIVR/NASA Useful Life: ∼3 years |
Mass: 129.8 kg Perigee: 266 km Apogee: 1176 km Inclination: 98°
Period: 99.2' |
Stellar UV and Soft plus Hard X-ray investigations
- Parabolic mirror (eff area=144 cm2) with a small area proportional counter on the focal plane 0.16-0.28 keV 34´ FOV
- Proportional counter 1-7 keV eff area=45 cm2 38´ X 75´ FOV
- LAD 10´ x 3° FOV 1-30 keV eff area=40cm2
- Bragg Crystal Assembly (BCA) to search for Si lines
|
This was a collaborative effort between the Netherlands (NIVR) and USA (NASA)
|
Launch Date: 15 October 1974
Launch Name: UK5 Renamed: Ariel 5 Vehicle: Scout B-1 (S187C) Site: San Marco
Authority: STFC Useful Life: 5.5 years |
Mass: 129 kg Perigee: 504 km Apogee: 549 km Inclination: 2.90°
Period: 94.90' |
X-ray observatory, Cosmic X-ray astronomy
- Rotation Modulation Collimator (RMC) (0.3-30 keV)
- High resolution proportional counter spectrometer
- Polarimeter/spectrometer
Scintillation telescope
- All-Sky Monitor (ASM) a small (∼1 cm2) pinhole camera (3-6 keV)
- Sky Survey Instrument (SSI) composite of two proportional counters with 290 cm2 effective area each (1.5-20 keV)
|
The mission was a British-USA collaboration. The Science Research Council managed the project for the UK and GSFC/NASA for the USA
|
Launch Date: 19 April 1975
Launch Name: Aryabhata Vehicle: SL-7 Kosmos Site: Kapustin Yar
Authority: ISRO Useful Life:4 days |
Mass: kg Perigee: 563 km Apogee: 619 km Inclination: 50.7°
Period: 96.3' |
The main objectives of the mission were to evolve the methodology of conducting a series of complex operations on
the satellite in its orbital phase; to set up ground-based receiving, transmitting and tracking systems and to establish
infrastructure for the fabrication of spacecraft systems. The actual experiments were one each in X-Ray Astronomy,
Solar Physics and Aeronomy |
India's foray as a space power was initiated with the launch of the Aryabhatta artificial satellite. The objectives of this project was to indigenously design and fabricate a space-worthy satellite system and evaluate its perfromance in orbit
|
Launch Date: 7 May 1975
Launch Name: SAS-C Vehicle: Scout Site: San Marco
Authority: NASA Useful Life:  |
Mass: 196.7 kg Perigee: 509 km Apogee: 516 km
Inclination: 3° Period: 94.9' |
Missions were to measure the X-ray emission of discrete extragalactic sources, to monitor the intensity and
spectra of galactic X-ray sources from 0.2 to 60 keV, and to monitor the X-ray intensity of Scorpio X-1 |
aka Small Astronomy Satellite 3, aka Explorer 53
|
Launch Date: 9 August 1975
Launch Name: COS-B Vehicle: Delta Site: Vandenberg
Authority: ESA Useful Life: ∼7 years |
Mass: 277.5 kg Perigee: 339.6 km Apogee: 99876 km Inclination: 90.13°
Period: 2227' |
Gamma Ray Atronomy |
Scientific results included the 2CG Catalogue listing around 25 gamma ray sources and a map of the Milky Way. The satellite also observed the Cygnus X-3 pulsar
|
Launch Date: 12 August 1977
Launch Name: HEAO-1 Vehicle: Atlas-Centaur Site: Cape Canaveral
Authority: NASA Useful Life: 1.5 years |
Mass: 2551.9 kg Perigee: 432 km Apogee: 432 km
Inclination: 23° Period: 93.5' |
X-ray and Gamma ray observatory, specifically designed to map and survey the size location and variability of
X-ray and gamma-ray sources in the energy range of 150 eV to 10 MeV
- Large Area Sky Survey experiment (LASS)
- Cosmic X-ray Experiment (CXE)
- Modulation Collimator (MC)
- Hard X-Ray / Low Energy Gamma Ray Experiment
|
aka High-Energy Astronomical Observatory-A
|
Launch Date: 26 January 1978
Launch Name: IUE Vehicle: Thor-Delta Site: Cape Kennedy
Authority: ESA/NASA/STFC Useful Life: 18 years |
Mass: 669 kg Perigee: 32,050 km Apogee: 52,254 km
Inclination: 28.6° Period: 23.927 h |
Analysis of ultraviolet light from the stars, which is blocked by the Earth's ozone layer
- 45-cm UV Ritchey-Chrétien f/15 telescope fed a spectrograph package
|
aka International Ultraviolet Explorer. A collaborative project among NASA, ESA and the British SRC (now STFC) agencies.
After an incredibly successful life it was shut down and destroyed from healthy state on 30 September 1996 due to loss of funding
|
Launch Date: 13 November 1978
Launch Name: HEAO-2 Renamed: Einstein Vehicle: Atlas-Centaur Site: Cape Canaveral
Authority: NASA Useful Life: 2.5 years |
Mass: 3130 kg Perigee: 465 km Apogee: 476 km
Inclination: 23.5° Period: 94' |
X-ray and Gamma ray observatory
- A Wolter Type I grazing incidence telescope (0.1-4 keV)
- Monitor Proportional Counter (MPC; 1.5-20 keV)
- Objective Grating Spectrometer (OGS)
|
aka High-Energy Astronomical Observatory-B and Renamed "Einstein", it was the first fully imaging X-ray telescope put into space
|
Launch Date: 21 February 1979
Launch Name: CORSA-b Renamed: Hakucho Vehicle: M-3C-4 Site: Kagoshima
Authority: ISAS Useful Life: ∼6 years |
Mass: 96 kg Perigee: 421 km Apogee: 433 km
Inclination: 29.9° Period: 93.1' |
Cosmic Radiation/X-ray satellite
- Very Soft X-ray (VSX) experiment 0.1-0.2 keV
- Soft X-ray (SFX) 1.5-30 keV
- Hard X-ray (HDX) 10-100 keV scintillator
|
The HAKUCHO discovered eight cosmic X-ray burst sources
|
Launch Date: 24 February 1979
Launch Name: STP P78-1 Vehicle: Atlas Site: Vandenberg
Authority: US DoD Useful Life: 6.5years |
Mass: 849.6 kg Perigee: 560 km Apogee: 600 km
Inclination: 97.9° Period: 96.3' |
- 1 Gamma-ray spectrometer
- 1 white light spectrograph
- 1 extreme UV spectrometer
- 1 high latitude particle spectrometer
- 1 aerosol monitor
- 1 X-ray monitor
|
aka Solwind, Produced results for 6.5 years until it was shot down as part of the Strategic Defence Initiative
|
Launch Date: 2 June 1979
Launch Name: UK6 Renamed: Ariel 6 Vehicle: Scout D-1 (S198C) Site: Wallops Island
Authority: STFC Useful Life: 3 years |
Mass: 154 kg Perigee: 372 km Apogee: 383 km
Inclination: 55.00° Period: 92.10' |
Detection of heavy cosmic particles and X-ray astronomy
- 2 multi-layered X-ray proportional counters (energy range 1-50 keV)
- X-ray collector system sensitive to 0.25 keV
|
The scientific output of these experiments suffered severely due to the electromagnetic interference from ground-based radar systems hampering the pointing operations
|
Launch Date: 7 June 1979
Launch Name: Bhaskara-I Vehicle: SS-5 Site: Kapustin Yar
Authority: ISRO Useful Life: ∼2 years |
Mass: 444 kg Perigee: 619 km Apogee: 562 km
Inclination: 50.7° Period: 95.2' |
Primarily an Earth observing satellite, it carried an All-Sky monitor similar to Ariel-V |
|
Launch Date: 20 September 1979
Launch Name: HEAO-3 Vehicle: Atlas-Centaur Site: Cape Canaveral
Authority: NASA Useful Life: 1.5 years |
Mass: 2660 kg Perigee: 486.4 km Apogee: 504.9 km
Inclination: 43.6° Period: 94.5' |
X-ray and Gamma ray observatory
- High Resolution Gamma Ray Spectrometer (HRGRS)
- Heavy Nuclei Experiment
- Cosmic Ray Isotope Experiment
|
aka High-Energy Astronomical Observatory-C
|
The 1980s |
Launch Date: 20 February 1980
Launch Name: Astro B Renamed: Tenma Vehicle: M-3S-3 Site: Uchinoura
Authority: ISAS Useful Life: ∼3.5 years |
Mass: 216 kg Perigee: 489 km Apogee: 503 km
Inclination: 31.5° Period: 94.5' |
X-ray satellite
- Gas Scintillator Proportional Counter: 10 units of 80 cm2 each, FOV ∼3deg (FWHM), 2 - 60 keV
- X-ray focusing collector: 2 units of 7 cm2 each, 0.1 -2 keV
- Transient Source Monitor: 2 - 10 keV
- Radiation Belt Monitor/Gamma-ray burst detector
|
|
Launch Date: 26 January 1983
Launch Name: IRAS Vehicle: Delta 3910 Site: Vandenberg
Authority: NASA/NIVR/STFC Useful Life: 11months |
Mass: 1075.9 kg Perigee: 889 km Apogee: 903 km
Inclination: 99.1° Period: 103' |
Infra-Red Astronomy
- IRAS contained a 0.6 m Ritchey-Chrétien telescope cooled by helium to a temperature of near 1.6° K
|
It conducted an all-sky survey at wavelengths ranging from 8 to 120 microns in four broadband photometric channels centered at 12, 25, 60, and 100 microns
|
Launch Date: 23 March 1983
Launch Name: Astron-1 Vehicle: Proton D1e Site: Baikonur
Authority: RSRI Useful Life: ∼6 years |
Mass: 3250 kg Perigee: 2,000 km Apogee: 200,000 km
Inclination: 51.5° Period: 5880' |
Designed primarily for UV and X-ray astrophysical observations
- 80-cm UV telescope
- X-ray spectrometer - a proportional counter sensitive to 2-25 keV X-rays
|
NASA  |
Launch Date: 26 May 1983
Launch Name: Exosat Vehicle: Delta Site: Vandenberg
Authority: ESA Useful Life: 3 years |
Mass: 500 kg Perigee: 347 km Apogee: 191709 km
Inclination: 72.5° Period: 5435.4' |
X-ray Observatory Satellite
- 2 Wolter Type I grazing incidence Low Energy (LE; 0.05-2 keV) Imaging Telescopes
- A Medium Energy (ME) Proportional Counter 1-50 keV, FOV 45 arcmin, 1600 cm2
- A Gas Scintillation (GS) Proportional Counter 2-20 keV, 100 cm2
|
During its life, EXOSAT made 1780 observations of a wide variety of objects, including active galactic nuclei, stellar coronae,
cataclysmic variables, white dwarfs, X-ray binaries, clusters of galaxies, and supernova remnants
|
Launch Date: 5 February 1987
Launch Name: Astro-C Renamed: Ginga Vehicle: M-3SII-3 Site: Kagoshima
Authority: ISAS Useful Life: 4.5 years |
Mass: 400 kg Perigee: 517 km Apogee: 708 km
Inclination: 31.1° Period: 97' |
X-ray observatory
- Large Area Proportional Counter (LAC) 1.5-37 keV Eff. area = 4000 cm2, FOV = 0.8° x 1.7°
- All-Sky Monitor (ASM) 1-20 keV Eff. area = 70 cm2, FOV = 1° x 180°
- Gamma-Ray Burst Detector (GBD) 1.5-500 keV Eff. area = 60 cm2 (SC) and 63 cm2 (PC), FOV = All-sky
|
Ginga was a joint Japanese/UK mission. Ginga made approximately 1000 observations, covering all classes of cosmic X-ray sources then known.
|
Launch Date: 8 August 1989
Launch Name: Hipparcos Vehicle: Ariane 44LP Site: Kourou
Authority: ESA Useful Life: 4 years |
Mass: 1025 kg Perigee: 223 km Apogee: 35,632 km
Inclination: 6.8° Period: 628.9' |
Astrometrical satellite for measuring high precision parallaxes
- The optical system had a 290 mm aperture, 1400 mm focal length folded Schmidt telescope
|
Although launched successfully, the spacecraft didn't achieve its designed high orbit. Nevertheless, it was
highly successful and measured 118,000 star positions at 0.001 arc seconds acuracy, plus some 1,050,000 positions
at 0.025 arc seconds, in two color band ("B" and "V"), so that also over 1 million color indices were obtained
|
Launch Date: 18 November 1989
Launch Name: COBE Vehicle: Delta Site: Vandenberg
Authority: NASA Useful Life: 4 years |
Mass: 2206 kg Perigee: 900 km Apogee: 900 km
Inclination: 99° Period: 103' |
COBE measured the cosmological microwave background radiation
- Differential Microwave Radiometer (DMR) - a microwave instrument that would map variations (or anisotropies) in the CMB
- Far-InfraRed Absolute Spectrophotometer (FIRAS) - a spectrophotometer used to measure the spectrum of the CMB
- Diffuse InfraRed Background Experiment (DIRBE) - a multiwavelength infrared detector used to map dust emission
|
COsmic Background Explorer was developed by NASA's Goddard Space Flight Center to measure the diffuse infrared and microwave radiation
from the early universe to the limits set by our astrophysical environment
|
Launch Date: 1 December 1989
Launch Name: ASTRON-2 Renamed: GRANAT Vehicle: Proton D-1-e Site: Tyuratam
Authority: RSRI Useful Life: 9 years |
Mass: 900 kg Perigee: 2,000 km Apogee: 200,000 km
Inclination: 51.6° Period: 5880' |
X-ray, Gamma-ray observatory
- Two coded-mask X-ray telescopes (SIGMA) 0.03-1.3 MeV, eff. area 800 cm2, FOV 5°x5°;
(ART-P) 4-60 keV, eff. area 1250 cm2, FOV 1.8°x1.8°
- X-ray proportional counter spectrometer (ART-S) 3-100 keV, eff. area 2400 cm2 at 10 keV, FOV 2°x2°
- All-sky monitor (WATCH) 6-120 keV, eff. area 45 cm2, FOV All-sky
- Three Gamma-ray burst experiments (PHEBUS) 0.1-100 MeV, 6 units of 100 cm2 each, FOV All-sky;
(KONUS-B) 0.02-8 MeV, 7 units of 315 cm2 each, FOV All-sky;
(TOURNESOL) 0.002-20 MeV), FOV 5°x5°
|
The astrophysics payload was developed in cooperation with France, Bulgaria and Denmark
|
The 1990s |
Launch Date: 5 April 1990
Launch Name: CGRO Vehicle: Shuttle Atlantis Site: Canaveral
Authority: NASA Useful Life: 10 years |
Mass: 16,329 kg Perigee: 362 km Apogee: 457 km
Inclination: 28.5° Period: 90' |
Compton Gamma Ray Observatory
- Burst And Transient Source Experiment (BATSE)
- Oriented Scintillation Spectrometer Experiment (OSSE)
- Imaging Compton Telescope (COMPTEL)
- Energetic Gamma Ray Experiment Telescope (EGRET)
|
One of NASA's four Great Observatories, the others being Hubble, Spitzer and Chandra
|
Launch Date: 24 April 1990
Launch Name: LST Renamed: HST Vehicle: Shuttle Discovery Site: Cape Canaveral
Authority: NASA/ESA Useful Life: 22? years |
Mass: 10,863 kg Perigee: 588 km Apogee: 594 km
Inclination: 28.4° Period: 96.5' |
Optical astronomical observatory
- The Advanced Camera for Surveys was installed in March 2002 and was expected to last approximately five years. In
January 2007, an electrical short put much of the camera out of commission. It replaced the
Faint Object Camera
- The Wide Field and Planetary Camera is the "workhorse" instrument behind nearly all of the most famous Hubble pictures.
As Hubble's main camera, it is used to observe just about everything
- The Near Infrared Camera and Multi-Object Spectrometer is Hubble's heat sensor. Its sensitivity to infrared light makes
it useful for observing objects obscured by interstellar gas and dust and for peering into deepest space
- The Space Telescope Imaging Spectrograph was a versatile instrument that acted somewhat like a prism, separating light
from the cosmos into its component colors, as shown at right. It experienced a power failure in 2004 but could be
repaired during a future servicing mission
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The Hubble Space Telescope to date is the largest (2.4m) telescope ever launched to orbit. Improperly designed optics required
a refurbishment Shuttle mission (Endeavour) to get it working properly since when it has delivered amazing results. Service missions
were flown in February 1997 and March 2001. A final service is due in April 2008
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Launch Date: 1 June 1990
Launch Name: ROSAT Vehicle: Delta II Site: Cape Canaveral
Authority: NASA/STFC/BFT Useful Life: ∼9 years |
Mass: 2421.1 kg Perigee: 580 km Apogee: 580 km
Inclination: 53° Period: 96' |
A joint German, US and UK X-ray astrophysics project
- The Roentgen Satellite (Rosat) carries a 83-cm X-ray telescope of 2.4 meter focal length
- for observing X-ray photons of 0.1 to 2.0 keV energy
- German Position Sensitive Proportional Counters (PSPC)
- US-supplied High Resolution Imager (HRI)
- British-supplied extreme ultraviolet (XUV) telescope
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Launch Date: 11 July 1990
Launch Name: GAMMA Vehicle: Soyuz SL-4 Site: Baikonur
Authority: RSRI/CNES Useful Life:  |
Mass: 7,000 kg Perigee: 190 km Apogee: 233 km
Inclination: 51.6° Period: 88.45' |
X-ray and Gamma-ray astronomy
- Gamma-1 telescope plus Telezvezda star tracker
- Disk-M telescope
- Pulsar X-2 telescope
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Unfortunately the satellite's research in the field of high-energy astrophysics, conducted jointly with France
and Poland, did not produce many noteworthy results due to a combination of logistical and technical problems
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Launch Date: 17 July 1991
Launch Name: SARA Vehicle: Ariane 40 Site: Kourou
Authority: ESIEESPACE Useful Life: ∼11? years |
Mass: 37 kg Perigee: 780? km Apogee: 780? km
Inclination: ?° Period: ?' |
Radio astronomy satellite specifically designed to survey radioelectric emissions from Jupiter |
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Launch Date: 2 June 1992
Launch Name: EUVE Vehicle: Delta II Site: Cape Canaveral
Authority: NASA Useful Life: ∼9 years |
Mass: 3,275 kg Perigee: 515 km Apogee: 527 km
Inclination: 28.4° Period: 94.8' |
Extreme UV observatory
- 2 Wolter-Schwarzschild Type I grazing incidence mirror, each with an imaging microchannel plate (MCP detector)
(Scanner A & B) FOV ~5° diameter; two passbands 44-220Å 140-360Å
- Wolter-Schwarzschild Type II grazing incidence mirror, with an imaging microchannel plate (MCP detector)
FOV ~4° diameter; two passbands 520-750Å 400-600Å
- Wolter-Schwarzschild Type II grazing incidence mirror Deep Survey/Spectrometer Telescope
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The Extreme-Ultraviolet Explorer (EUVE) was a spinning spacecraft designed to rotate about the earth/sun line
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Launch Date: 31 July 1992
Launch Name: EURECA Vehicle: Shuttle Site: Cape Canaveral
Authority: ESA Useful Life: 11 months |
Mass: 4,491 kg Perigee: 438 km Apogee: 447 km
Inclination: 28.5° Period: 93.4' |
WATCH - The cosmic Hard X-ray observatory
- Wide-Angle Telescope for Cosmic Hard X-rays (of 6-150 keV energy)
- Three Solar investigative experiments
- A further eleven experiments in biology, physics and communications
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The EUropean REtrievable CArrier was deployed into space by Shuttle Atlantis and brought back by Endeavour on July 1, 1993
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Launch Date: 20 February 1993
Launch Name: Astro-D Renamed: ASCA Vehicle: M-3SII-7 Site: Uchinoura
Authority: ISAS Useful Life: ∼8 years |
Mass: 417 kg Perigee: 523.6 km Apogee: 615.3 km
Inclination: 31.1° Period: 96.09' |
Advanced Satellite for Cosmology and Astrophysics
- X-ray telescope (XRT)
- X-ray CCD camera (SIS, Solid-State Imaging Spectrometer)
- Image-type fluorescent proportional counter tube (GIS, Gas Imaging Spectrometer)
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Capable of space based X-ray spectrum observations at the highest energy resolution the following objectives were set.
An explanation of chemical evolution in the universe. Verification of black holes.
Identification of the sites of particle-acceleration in space. Determination of the distribution of dark matter and its total mass
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Launch Date: 25 April 1993
Launch Name: Alexis Vehicle: Pegasus Site: Edwards
Authority: DoE/LANL Useful Life: ∼5 years |
Mass: 113 kg Perigee: 749 km Apogee: 844 km
Inclination: 70° Period: ?' |
Array of Low Energy X-ray Imaging Sensors |
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Launch Date: 1 November 1994
Launch Name: Wind Vehicle: Delta II 7925 Site: Cape Canaveral
Authority: NASA Useful Life: Stil running? |
Mass: 1250 kg Halo orbit at L1
At earth L1 |
Transient Gamma Ray Spectrometer
- Energy range 15 keV - 10 MeV
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The main scientific goal of the mission is to measure the mass, momentum and energy of the solar wind
that somehow is transferred into the space environment around the Earth. At first, the satellite had a
lunar swingby orbit around the Earth. Later in the mission,
the Wind spacecraft was inserted into a special "halo" orbit in the solar wind upstream from the Earth,
about the sunward Sun-Earth Lagrange point (L1).
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Launch Date: 18 March 1995
Launch Name: SFU Vehicle: H-2 Site: Tanegashima
Authority: ISAS Useful Life: ∼1 year |
Mass: 4000 kg Perigee: 344 km Apogee: 415 km
Inclination: 28.4° Period: 92.2' |
Infrared Telescope (IRTS)
- Instruments and supplies for microgravity experiments.
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SFU was a Japanese space laboratory launched by the same H-2 rocket that launched GMS 5.
It was retrieved by the Space Shuttle STS 72 on January 13, 1996.
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Launch Date: 17 November 1995
Launch Name: ISO Vehicle: Ariane 2 Site: Kourou
Authority: ESA Useful Life: ∼ 2.5years |
Mass: 1800 kg Perigee: 1000km Apogee: 70500km
Inclination: 5.25° Period: 1440' |
60cm Ritchey-Chrétien telescope
- The instruments made observations at wavelengths ranging from 2.5 to 240 microns,
which meant they could photograph and measure a huge range of different types of object.
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When it was launched in 1995, ISO was the most sensitive infrared satellite ever sent into space.
It taught us a huge amount about parts of the Universe that we couldn't even see previously.
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Launch Date: 30 December 1995
Launch Name: RXTE Vehicle: Delta II Site:
Authority: NASA Useful Life: Still Truckin' (As at mid-1997) |
Mass: 3000+ kg Perigee: 600 km Apogee: ? km
Inclination: 23° Period: ?' |
Rossi X-ray Timing Explorer
- All Sky Monitor - ASM
- Proportional Counter Array - PCA
- High Energy X-ray Timing Experiment (2-200 keV) HEXTE
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This satellite probes the physics of cosmic X-ray sources by making sensitive measurements
of their variability over time scales ranging from milliseconds to years.
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Launch Date: 30 April 1996
Launch Name: SAX Renamed: Beppo-SAX
Vehicle: Atlas-Centaur Site: Cape Canaveral
Authority: ASI Useful Life: 7 years |
Mass: 900 kg Perigee: 575 km Apogee: 594 km
Inclination: 4° Period: 96.4' |
Italian X-Ray Astronomy Satellite
- Four X-ray imaging concentrators sensitive from 1 to 10 keV
- One gas scintillation proportional counter sensitive from 3 to 12 keV
- A sodium iodide scintillator crystal in phoswich configuration operating from 15 to 200 keV
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The objective of the mission was to perform spectroscopic and time variability studies of celestial X-ray
sources in the energy band from 1 to 200 keV
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Launch Date: 2 December 1997
Launch Name: Muses-B Renamed: Haruka
Vehicle: M-5 Site: Uchinoura
Authority: ISAS Useful Life: 3-5 years |
Mass: 830 kg Perigee: 560 km Apogee: 21400 km
Inclination: 31.3° Period: 380' |
Japanese Radio Astronomy Satellite
- 8 metre dish antenna
- Detectors operating at 1.6, 5 and 22 GHz
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Along with ground based radio telescopes it will make radio images with very high spatial resolution (the highest yet in
very-long baseline interferometry) and permit precise measurements of quasar jets and galactic maser sources.
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Launch Date: 21 April 1997
Launch Name: Minisat 1
Vehicle: Pegasus XL Site: Canary Islands
Authority: INTA (Spain) |
Mass: 200 kg Perigee: 562 km Apogee: 581 km
Inclination: 150.9° Period: 96.1' |
Extreme UV telescope for astrophysical studies |
No Image
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The 2000s |
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Satellite Info in Hand
Last update: 31 March 2008
- SWAS Submillimeter Wave Astronomy Satellite
- ARGOS Advanced Research and Global Observations Satellite
- WIRE Wide Field Infrared Explorer
- ABRIXAS (Germany) A Broad-Band Imaging All-Sky Survey. X-ray satellite
- FUSE Far UV Spectroscopic Explorer
- Chandra X-ray Observatory Developed as Advanced X-ray Astrophysics Facility (AXAF)
- XMM Newton (ESA) High Throughput X-ray Spectroscopy mission
- Astro-E (Japan)
- HETE-2 High Energy Transient Explorer
- MAP Microwave Anisotropy Probe
- Integral (ESA, Russia, Nasa) International Gamma-Ray Astrophysics Laboratory
- CHIPSat (GSFC/Nasa/U Berkeley) Cosmic Hot Interstellar Plasma Spectrometer
- GALEX (JPL/Nasa) Galaxy Evolution Explorer
- MOST (Canada) Microvariability and Oscillations of STars
- Spitzer Space Telescope (SST) (JPL/Nasa) Space Infrared Telescope Facility (SIRTF)
- Swift (GSFC/Nasa) Multi-wavelength mission to study Gamma-Ray Bursts in X-ray and UV/optical
- Suzaku, Astro-E2 (Japan) X-ray astronomy for 0.4-700 keV radiation
- AKARI, Astro-F, IRIS (Japan) Infrared Imaging Surveyor
- Agile (ASI, Italy) Gamma-ray astronomy satellite
Planned Future Missions
- DUO Dark Universe Observatory (Nasa, Germany)
- GLAST (GSFC/Nasa) Gamma-ray Large Area Space Telescope
- GSAT 4 (India) UV observations
- RadioAstron (Russia) Radio astronomy satellite
- Herschel, FIRST (Esa) Far IR and Submillimeter Space Telescope
- Planck, COBRAS/SAMBA (ESA) Cosmic Background Radiation Anisotropy Satellite
- Kepler (Nasa) Space-based search for extrasolar planets
- LISA Pathfinder (ESA) Testing concepts for gravitaitonal wave detection to prepare LISA mission
- SXG (Nasa/Russia) Spectrum-X-Gamma
- GAIA (ESA) Global Astrometric Interferometer for Astrophysics. Astrometrical satellite
- JWST, NGST James Webb Space Telescope
- Darwin (ESA) Space Infrared Interferometer project
- XEUS (ESA) X-ray Evolving Universe Spectroscopy mission
- EXIST (GSFC/Nasa, Caltech) Energetic X-ray Imaging Survey Telescope
- LISA (JPL/NASA) Laser Interferometer Space Antenna
- StarLight (Nasa) Star interferometer
- SIM Space Interferometer Mission (JPL/Nasa)
- Constellation X (GSFC/Nasa) Large X-ray orbital observatory
- TPF (Nasa) Terrestrial Planet Finder
- HSIM High Resolution Spectroscopic Imager
- MAXIM Pathfinder (U Colorado, GSFC/Nasa) Micro-Arcsecond X-ray Imaging Mission Pathfinder
- Spectrum UV Spectroscopic UV satellite
- ExNPS Exploration of Nearby Planetary Systems
- ARISE Radio astronomy/VLBI satellite
- MAXIM (Nasa) Micro-Arcsecond X-ray Imaging Mission
- Generation-X (Nasa) Ultra-large aperture X-ray telescope
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