Encyclopedia Astronautica
Magnetosphere sat


Category of spacecraft.

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Associated Spacecraft
  • Explorer A American earth magnetosphere satellite. 3 launches, 1958.02.01 (Explorer 1) to 1958.03.26 (Explorer 3). Discovered Van Allen radiation belts. Spacecraft engaged in research and exploration of the upper atmosphere or outer space. More...
  • Sputnik 3 Russian earth magnetosphere satellite. 2 launches, 1958.04.27 (Sputnik failure) to 1958.05.15 (Sputnik 3). In July 1956 OKB-1 completed the draft project for the first earth satellite, designated ISZ (Artificial Earth Satellite). More...
  • Vanguard 2 American earth magnetosphere satellite. 4 launches, 1958.05.28 (Vanguard 2B) to 1959.02.17 (Vanguard 2). The actual operational satellite that was to be launched by the Vanguard launcher. More...
  • Explorer B American earth magnetosphere satellite. One launch, 1958.07.26, Explorer 4. Mapped project Argus radiation. More...
  • Explorer C American earth magnetosphere satellite. One launch, 1958.08.24, Explorer 5. More...
  • Vanguard 3 American earth magnetosphere satellite. 4 launches, 1959.04.14 (30-inch Sphere) to 1959.09.18 (Vanguard 3). Radiation, micrometeoroid data. More...
  • S-1 American earth magnetosphere satellite. 2 launches, 1959.07.16 (Explorer) to 1959.10.13 (Explorer 7). Magnetic field, solar flare data. More...
  • S-2 American earth magnetosphere satellite. One launch, 1959.08.07, Explorer 6. First Earth photo; radiation data. More...
  • S-46 American earth magnetosphere satellite. One launch, 1960.03.23, Explorer. More...
  • Injun American earth magnetosphere satellite. 5 launches, 1961.06.29 (Injun 1) to 1968.08.08 (Explorer 40). Radiation decay data satellite. May also have been a cover for some NRL ELINT satellites. More...
  • Lofti 2 American earth magnetosphere satellite. One launch, 1962.01.24. Carried 5 satellites. More...
  • Ariel American earth magnetosphere satellite. 6 launches, 1962.04.26 (Ariel 1) to 1979.06.02 (Ariel 6). Ionospheric studies; returned X-ray, ionospheric, cosmic ray data. More...
  • ERS American earth magnetosphere satellite. 7 launches, 1962.09.17 (TRS) to 1967.04.28. Environmental Research Satellites were especially designed for piggyback launching from large primary mission vehicles. More...
  • Alouette Canadian earth magnetosphere satellite. 2 launches, 1962.09.29 (Alouette 1) and 1965.11.29 (Alouette 2). Ionospheric research. More...
  • Starfish American earth magnetosphere satellite. 2 launches, 1962.10.26 (Starfish Radiation 1) and 1965.09.02 (Starfish Radiation 2). Satellite collected artificial radiation data (resulting from atmospheric and exoatmospheric nuclear explosions). More...
  • RADOSE American earth magnetosphere satellite. One launch, 1963.06.15. Radiation dosimeter measurements. More...
  • GRS American earth magnetosphere satellite. One launch, 1963.06.28. Space gas data. More...
  • APL American earth magnetosphere satellite. 3 launches, 1963.09.28 (APL SN 39) to 1964.12.13 (APL SN 43). Johns Hopkins University Applied Physics Laboratory built several satellites for the Air Force in the 1960's. More...
  • IMP American earth magnetosphere satellite. 10 launches, 1963.11.27 (Explorer 18) to 1973.10.26 (Explorer 50). More...
  • Elektron-B Russian earth magnetosphere satellite. 2 launches, 1964.01.30 (Elektron 2) to 1964.07.11 (Elektron 4). The Elektron mission was one of the earliest Soviet satellites to be authorized following the initial Sputnik series. More...
  • Elektron-A Russian earth magnetosphere satellite. 2 launches, 1964.01.30 (Elektron 1) to 1964.07.11 (Elektron 3). The Elektron mission was one of the earliest Soviet satellites to be authorized following the initial Sputnik series. More...
  • BE American earth magnetosphere satellite. One launch, 1964.03.19, Explorer (20). Also known as Explorer S-66. More...
  • Starflash American earth magnetosphere satellite. 2 launches, 1964.06.13 (Starflash 1A) and 1964.08.21 (Starflash 1B). Sub-satellite of unknown purpose, released from KH-5 photo reconnaisance satellites on two missions. More...
  • ESRS American earth magnetosphere satellite. One launch, 1964.06.25. Environmental Sciences Research Satellite. More...
  • OGO American earth magnetosphere satellite. 6 launches, 1964.09.05 (OGO 1) to 1969.06.05 (OGO 6). More...
  • OV1 American earth magnetosphere satellite. 27 launches, 1965.01.21 (OV1-1) to 1971.08.07 (OV1-21P). More...
  • OV2 American earth magnetosphere satellite. 6 launches, 1965.10.15 (OV2-01) to 1968.09.26 (OV2-05). OV2 satellites were built for the USAF Office of Aerospace Research, and flew as secondary payloads on Titan IIIC test flights. More...
  • OV3 American earth magnetosphere satellite. 6 launches, 1966.04.22 (OV3-01) to 1967.12.05 (OV3-06). The OV3 GUS General Utility Satellite were built for the Air Force as part of the OV3 satellite series. More...
  • DS-U2-D Ukrainian earth magnetosphere satellite. 2 launches, 1966.12.21 (Cosmos 137) to 1968.04.26 (Cosmos 219). Studied charged particle flows. More...
  • OV5 American earth magnetosphere satellite. 8 launches, 1967.04.28 (OV5-03) to 1969.05.23 (OV5-09). OV5 was a version of the USAF Environmental Research Satellites dedicated to radiation research and VLF plasma wave detection. More...
  • Aurora American earth magnetosphere satellite. One launch, 1967.06.29. Investigated aurora borealis. More...
  • DS-U1-Ya Ukrainian earth magnetosphere satellite. 2 launches, 1968.03.06 (DS-U1-Ya s/n 1) and 1968.06.12 (Cosmos 225). Studied charged particle flows and cosmic rays. More...
  • Nauka Russian earth magnetosphere satellite. 45 launches, 1968.03.21 (Nauka) to 1979.08.17 (Cosmos 1122 Nauka). The Nauka containers were flown as piggy-back payloads aboard Zenit reconnaissance satellites. They served a dual purpose. More...
  • HEOS European earth magnetosphere satellite. 2 launches, 1968.12.05 (HEOS 1) and 1972.01.31 (HEOS 2). Highly Eccentric Orbiting Satellite; examined magnetic fields outside of Earth's magnetosphere. More...
  • DS-U2-GK Ukrainian earth magnetosphere satellite. 2 launches, 1968.12.20 (Cosmos 261) to 1970.06.13 (Cosmos 348). Conducted complex geophysical studies of the upper atmosphere. Air density, auroral investigations. More...
  • Isis Canadian earth magnetosphere satellite. 2 launches, 1969.01.30 (Isis 1) and 1971.04.01 (Isis 2). Ionospheric measurements; data correlated with measurements from Alouette 1. More...
  • DS-U3-IK Ukrainian earth magnetosphere satellite. 6 launches, 1969.10.14 (Intercosmos 1) to 1976.07.26 (Intercosmos 16). Measurements of the sun; used for Interkosmos launches. More...
  • AZUR German earth magnetosphere satellite. One launch, 1969.11.08. German Research Satellite A; examined Van Allen belts, solar particles, aurora. More...
  • DS-U2-MG Ukrainian earth magnetosphere satellite. 2 launches, 1970.01.20 (Cosmos 321) to 1970.08.10 (Cosmos 356). Studied the Earth's magnetic poles. More...
  • SS Japanese earth magnetosphere satellite. 6 launches, 1970.09.25 (SS) to 1985.08.18 (SS-11 Suisei). Scientific observations in outer space. More...
  • DS-U2-K Ukrainian earth magnetosphere satellite. One launch, 1971.06.05, Cosmos 426. Studied charged particle flows and cosmic radiation. More...
  • SSS American earth magnetosphere satellite. One launch, 1971.11.15, Explorer 45. Studies magnetosphere, energetic particles. More...
  • DS-U2-GKA Soviet-French earth magnetosphere satellite. 2 launches, 1971.12.27 (Oreol) to 1973.12.26 (Oreol 2). Upper atmosphere, auroral studies. Investigation of physical phenomena in the Earth's upper atmosphere at high latitudes and study of the nature of auroras. More...
  • Energia Russian earth magnetosphere satellite. 2 launches, 1972.04.07 (Intercosmos 6) to 1978.07.02 (Cosmos 1026). Adaptation of recoverable Vostok spacecraft for investigation of primary cosmic radiation and meteoritic particles in near-earth outer space. More...
  • Prognoz Russian earth magnetosphere satellite. 10 launches, 1972.04.14 (Prognoz 1) to 1985.04.26 (Intercosmos 23). This spacecraft, built by Lavochkin, was launched from 1972 for study of geomagnetic fields, radiation, and solar physics. More...
  • AEROS German earth magnetosphere satellite. 2 launches, 1972.12.16 (Aeros 1) and 1974.07.16 (Aeros 2). Spacecraft engaged in research and exploration of the upper atmosphere or outer space. More...
  • ESA-Geos European earth magnetosphere satellite. 2 launches, 1977.04.20 (ESA-Geos 1) and 1978.07.14 (ESA-Geos 2). Magnetospheric research. European Space Agency satellite. More...
  • ISEE American earth magnetosphere satellite. 3 launches, 1977.10.22 (ISEE 1) to 1978.08.12 (ISEE 3). These Explorer-class heliocentric spacecraft were part of the mother/daughter/heliocentric mission (ISEE 1, 2, and 3). More...
  • CAMEO American earth magnetosphere satellite. One launch, 1978.10.13. Released barium cloud. More...
  • Magion Czech earth magnetosphere satellite. 5 launches, 1978.10.24 (Magion 1) to 1996.08.29 (Magion 5). The Czechoslovak satellite MAGION researched the magnetosphere and ionosphere of the earth. More...
  • Solwind American earth magnetosphere satellite. One launch, 1979.02.24. Ionosphere and magnetosphere studies; destroyed 9/13/85 (while still functioning) as part of ASAT test. More...
  • Magsat American earth magnetosphere satellite. One launch, 1979.10.30. Measured near-Earth magnetic field and crustal anomalies. More...
  • Dynamics Explorer American earth magnetosphere satellite. 2 launches, 1981.08.03 (Dynamics Explorer 1) and (Dynamics Explorer 2). Spacecraft engaged in research and exploration of the upper atmosphere or outer space. More...
  • IK-B-1300 Ukrainian earth magnetosphere satellite. One launch, 1981.08.07, Intercosmos 22. Intercosmos-Bulgaria 1300. Comprehensive investigation of physical processes in the earth's ionosphere and magnetosphere. More...
  • Astrozond Soviet earth magnetosphere satellite. One launch, 1982.09.18. More...
  • Efir Russian earth magnetosphere satellite. 2 launches, 1984.03.10 (Cosmos 1543) to 1985.12.27 (Cosmos 1713). Science. Adaptation of the Vostok spacecraft. More...
  • AMPTE American earth magnetosphere satellite. 4 launches, 1984.08.16 (CCE-1) to (Solar Cell Experiment). Charge Composition Explorer; detected tracer ions released into magnetosphere by IRM. More...
  • ERBS American earth magnetosphere satellite. One launch, 1984.10.05. ERBS was part of the NASA's three-satellite Earth Radiation Budget Experiment (ERBE), designed to investigate how energy from the Sun is absorbed and re-emitted by the Earth. More...
  • PDP American earth magnetosphere satellite. One launch, 1985.07.29. Plasma Diagnostics Package; released by STS 51F 8/1/85, retrieved 8/2/85. More...
  • Viking (Sweden) Swedish earth magnetosphere satellite. One launch, 1986.02.22, Viking. Sweden's first satellite, Viking, was originally initiated as a means of providing experience in satellite system development and management. More...
  • Polar Bear American earth magnetosphere satellite. One launch, 1986.11.14. also known as STP P87-1, a military mission designed to study communications interference caused by solar flares and increased auroral activity. More...
  • SROSS Indian earth magnetosphere satellite. 4 launches, 1987.03.24 (SROSS A) to 1994.05.04 (SROSS-C2). More...
  • Pegsat American earth magnetosphere satellite. One launch, 1990.04.05. Chemical release experiment. More...
  • CRRES American earth magnetosphere satellite. One launch, 1990.07.25. Combined Release and Radiation Effects Satellite. Chemical release experiment. More...
  • SAMPEX American earth magnetosphere satellite. One launch, 1992.07.03. More...
  • Geotail Japanese earth magnetosphere satellite. One launch, 1992.07.24. Measured magnetosphere and Earth's geomagnetic tail; Diffuse Ultraviolet Explorer package bolted to Delta 2 second stage. More...
  • Freja Swedish earth magnetosphere satellite. 2 launches, 1992.10.06 (Freja) and (Freja). Freja was designed to image the aurora and measure particles and fields in the upper ionosphere and lower magnetosphere. More...
  • Wind American earth magnetosphere satellite. One launch, 1994.11.01. Wind was designed to provide continuous measurement of the solar wind, particularly charged particles and magnetic field data. More...
  • Astrid Swedish earth magnetosphere satellite. One launch, 1995.01.24. Sweden's third scientific satellite and first microsatellite, ASTRID carries an Energetic Neutral Atom analyzer, an Electron Spectrometer and two UV imagers for imaging the Earth's aurora. More...
  • Prognoz-M Russian earth magnetosphere satellite. 2 launches, 1995.08.02 (Interbol 1) to 1996.08.29 (Interbol 2). Interbol was originally an Intercosmos project with a launch planned for the late 1980's. More...
  • Polar American earth magnetosphere satellite. One launch, 1996.02.24. Polar was designed to measure the entry, energization, and transport of plasma into the magnetosphere as part of the International Solar Terrestrial Program (ISTP). More...
  • Cluster European earth magnetosphere satellite. 4 launches, 1996.06.04 (Cluster F4) to (Cluster F4). The Cluster satellites were a series of sophisticated earth-observation platforms that were to be launched aboard the first Ariane 5. More...
  • FAST American earth magnetosphere satellite. One launch, 1996.08.21. FAST was designed to observe and measure rapidly varying electric and magnetic fields and the flow of electrons and ions above the aurora. More...
  • MuSat Argentinan earth magnetosphere satellite. One launch, 1996.08.29, Microsat. MuSat-1 Victor was the first Argentine-built satellite. More...
  • FORTE American earth magnetosphere satellite. One launch, 1997.08.29. FORTE - 'Fast On-orbit Recording of Transient Events' - was a US Los Alamos National Laboratory satellite designed to study natural and artificial radio emissions from the ionosphere. More...
  • Equator-S German earth magnetosphere satellite. One launch, 1997.12.02. German geophysics satellite. More...
  • Astrid-2 Swedish earth magnetosphere satellite. One launch, 1998.12.10. Swedish Space Corporation's second microsatellite (based on Astrid-1) was slated to perform high resolution E-field and B-filed measurements in the Earth's auroral regions. More...
  • Orsted Danish earth magnetosphere satellite. One launch, 1999.02.23. More...
  • CHAMP German earth magnetosphere satellite. One launch, 2000.07.15. CHAMP was a geophysics research satellite operated by GFZ, Potsdam, to study the earth's magnetic and gravitational field. More...
  • Cluster 2 European earth magnetosphere satellite. 4 launches, 2000.07.16 (Samba) to 2000.08.09 (Tango). More...
  • Double Star Chinese earth magnetosphere satellite. 2 launches, 2003.12.29 (Tan Ce 1) to 2004.07.25 (Tan Ce 2). Double Star was a joint ESA - China project to supplement ESA's Cluster satellites in characterizing the earth's magnetosphere. More...
  • USA 185 American earth magnetosphere satellite. One launch, 2005.09.23. Classified research satellite, said to carry instruments to characterise the space environment in a sun-synchronous orbit. More...
  • Themis American earth magnetosphere satellite. 5 launched, 2007.02.17. More...

Associated Programs
  • Aureole Upper atmosphere, auroral studies. Investigation of physical phenomena in the Earth's upper atmosphere at high latitudes and study of the nature of auroras. More...
  • Elektron Simultaneous study of the Earth's inner and outer radiation belts, cosmic rays and upper atmosphere by two spacecraft in different orbits. More...
  • Explorer Series of satellites launched by Jet Propulsion Laboratory for the exploration of the space environment (micrometeoroids, charged particles, radiation, etc) from both earth orbital and heliocentric orbital locations. More...

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