User:25or6to4/Explorer
Mission History[edit]
| Explorer | Name | Launch Date | Mission | End of Data | Re-Entry |
|---|---|---|---|---|---|
| 1 | Explorer 1 | January 31 1958 | Energy particles studies, discovered the Van Allen radiation belt | May 23 1958 | March 31 1970 |
| 2 | Explorer 2 | March 5 1958 | Failed to achieve orbit | - | - |
| 3 | Explorer 3 | March 26 1958 | Energy particles studies | June 27 1958 | June 27 1958 |
| 4 | Explorer 4 | July 26 1958 | Energy particles studies | October 5 1958 | October 23 1959 |
| 5 | Explorer 5 | August 24 1958 | Failed to achieve orbit | - | - |
| -- | S-1 | July 16 1959 | Failed to achieve orbit | - | - |
| 6 | S-2 | August 7 1959 | Magnetosphere research | October 6 1959 | July 1 1961 |
| 7 | S-1a | October 13 1959 | Energy particles studies | August 24 1961 | In orbit |
| -- | S-46 | March 23 1960 | Failed to achieve orbit | - | - |
| 8 | S-56 | November 3 1960 | Measured atmospheric composition of the ionosphere | ? | in orbit |
| -- | S-56 | December 4 1960 | Failed to achieve orbit | - | - |
| 9 | S-56a | February 16 1961 | Atmospheric density measurements | ? | April 9 1964 |
| -- | S-45 | February 24 1961 | Failed to achieve orbit | - | - |
| 10 | P-14 | March 25 1961 | Investigated field magnetic field between the earth | ? | June 1 1968 |
| 11 | S-15 | April 27 1961 | Gamma ray astronomy | ? | In orbit |
| -- | S-45a | May 25 1961 | Failed to achieve orbit | - | - |
| -- | S-55 | June 30 1961 | Failed to achieve orbit | - | - |
| 12 | EPE A | August 16 1961 | Energetic particles research | ? | September 1 1963 |
| 13 | S-55a | August 25 1961 | Micrometeoroids research | ? | In orbit |
| 14 | EPE B | October 2 1962 | Energetic particles research | ? | July 1 1966 |
| 15 | EPE C | October 27 1962 | Energetic particles research | ? | January 15 1978 |
| 16 | S-55b | December 16 1962 | Micrometeoroids research | ? | November 24 1966? |
| 17 | AE A | April 3 1963 | Atmospheric research | July 10 1963 | November 24 1966? |
| 18 | IMP A | November 27 1963 | Magnetospheric research | ? | December 30 1965 |
| 19 | AD A | December 19 1963 | Atmospheric density measurements | ? | May 10 1981 |
| 20 | IE A | August 25 1964 | Ionosphere research | ? | In orbit |
| 21 | IMP B | October 4 1964 | Magnetospheric research | ? | January 30 1966 |
| 22 | BE B (S-66) | October 10 1964 | Ionospheric and geodetic research | ? | In orbit |
| 23 | Explorer 23 (S-55c) | November 6 1964 | Micrometeoric research | ? | June 29 1983 |
| 24 | AD B | November 21 1964 | Atmospheric density measurements | ? | October 18 1968 |
| 25 | Injun 4 (IE B) | November 21 1964 | Ionospheric research | ? | In orbit |
| 26 | EPE D | December 21 1964 | High energy particle observations | ? | In orbit |
| 27 | IMP C | April 29 1965 | Magnetospheric research | ? | In orbit |
| 28 | IMP C | May 29 1965 | Magnetospheric research | ? | July 4 1968 |
| 29 | GEOS A | November 6 1965 | Geodetic earth monitoring | ? | In orbit |
| 30 | Solrad 8 (SE A) | November 19 1965 | Solar radiation monitoring (Cover for covert ELINT mission) |
? | In orbit |
| 31 | DME A | November 29 1965 | Ionospheric research | ? | In orbit |
| 32 | AE B | May 25 1966 | Atmospheric research | March 1967 | February 22 1985 |
| 33 | IMP D | July 1 1966 | Magnetospheric research | ? | In orbit |
| 34 | IMP F | May 24 1967 | Magnetospheric research | ? | May 3 1969 |
| 35 | IMP E | July 19 1967 | Magnetospheric research | June 24 1973 | ? |
| 36 | GEOS B | January 11 1968 | Geodetic earth monitoring | ? | In orbit |
| 37 | Solrad 9 (SE B) | March 5 1968 | Solar radiation monitoring (Cover for covert ELINT mission) |
? | November 16 1990 |
| 38 | RAE A | July 4 1968 | Radio astronomy | ? | In orbit |
| 39 | AD C | August 8 1968 | Atmospheric density measurements | ? | June 22 1981 |
| 40 | Injun 5 (IE C) | August 8 1968 | Magnetospheric Research | ? | In orbit |
| 41 | IMP G | June 21 1969 | Magnetospheric research | ? | December 23 1972 |
| 42 | SAS A | December 12 1970 | X-Ray Astronomy | March 1973 | April 5 1979 |
| 43 | IMP H | March 13 1971 | Magnetospheric research | ? | October 2 1974 |
| 44 | Solrad 10 (SE C) | July 8 1971 | Solar radiation monitoring (Cover for covert ELINT mission) |
? | December 15 1979 |
| 45 | SSS A | November 15 1971 | Magnetospheric research | ? | January 10 1992 |
| 46 | MTS A | August 13 1972 | Micrometeoroids research | ? | November 2 1979 |
| 47 | IMP I | September 23 1972 | Magnetospheric research | ? | In orbit |
| 48 | SAS B | November 15 1972 | X-Ray Astronomy | ? | August 20 1980 |
| 49 | RAE B | June 10 1973 | Radio astronomy | ? | In Lunar orbit |
| 50 | IMP J | October 26 1973 | Magnetospheric research | Operational (34 years) | In orbit |
| 51 | AE C | December 16 1973 | Atmospheric research | ? | December 12 1978 |
| 52 | Hawkeye 1, Injun 6 (IE D) | June 3 1974 | Magnetospheric research | April 28 1978 | April 28 1978 |
| 53 | SAS C | May 7 1975 | X-Ray Astronomy | ? | April 9 1979 |
| 54 | AE D | October 6 1975 | Atmospheric research | ? | March 12 1976 |
| 55 | AE E | November 20 1975 | Atmospheric research | ? | January 10 1981 |
| 56 | ISEE 1 | October 22 1977 | Magnetospheric research | ? | September 26 1987 |
| 57 | IUE | January 26 1978 | Ultraviolet astronomy | September 30 1996 | In orbit |
| 58 | HCMM | April 26 1978 | Thermal mapping of the earth | ? | ? |
| 59 | ISEE 3 (ICE) | August 12 1978 | Magnetospheric research | May 5 1997 | In heliocentric orbit |
| 60 | SAGE | February 18 1979 | Stratospheric aerosol and ozone data | ? | April 11 1989 |
| 61 | Magsat | October 30 1979 | Mapped the near surface magnetic field of the Earth | ? | June 11 1980 |
| 62 | DE 1 | August 3 1981 | Magnetospheric research | ? | ? |
| 63 | DE 2 | August 3 1981 | Magnetospheric research | ? | ? |
| 64 | SME | October 6 1981 | Atmospheric research | April 4 1989 | March 5 1991 |
| 65 | CCE | August 16 1984 | Magnetospheric research | ? | ? |
| 66 | COBE | November 18 1989 | Microwave astronomy | operational? | In orbit |
| 67 | EUVE | June 7 1992 | Ultraviolet astronomy | January 30 2002 | In orbit |
| 68 | SAMPEX | July 3 1992 | Magnetospheric research | operational? | In orbit |
| 69 | RXTE | December 30 1995 | X-ray astronomy | Operational (11 years) | In orbit |
| 70 | FAST | August 21 1996 | Auroral phenomena | operational? | In orbit |
| 71 | ACE | August 25 1997 | Solar/interplanetary/interstellar particle research | Operational (11 years) | In Lissajous orbit |
| 72 | SNOE | February 26 1998 | Atmospheric research | December 13 2003 | December 13 2003 |
| 73 | TRACE | April 2 1998 | Solar observatory | Operational (9 years) | In orbit |
| 74 | SWAS | December 6 1998 | Submillimeter astronomy | July 2004 hibernation August 2005 after Deep Impact sub-mission |
In orbit |
| 75 | WIRE | March 5 1999 | InfraRed astronomy, primary mission failed due to loss of coolant | operational? | In orbit |
| 76 | TERRIERS | May 18 1999 | Atmospheric research, satellite failed shortly after achieving orbit | ? | In orbit |
| 77 | FUSE | June 23 1999 | Ultraviolet astronomy | October 18 2007 | In orbit |
| 78 | IMAGE | March 25 2000 | Magnetospheric research | December 18, 2005 | In orbit |
| 79 | HETE | October 9 2000 | UV, X-Ray, and gamma ray astronomy | Operational (7 years) | In orbit |
| 80 | WMAP | June 30 2001 | Microwave astronomy | Operational (6 years) | In L2 orbit |
| 81 | RHESSI | February 5 2002 | X-ray and gamma ray solar flare imaging | operational? | In orbit |
| 82 | CHIPSat | January 13 2003 | Ultraviolet spectroscopy and astronomy | operational? | In orbit |
| 83 | GALEX | April 28 2003 | Ultraviolet astronomy | Operational (4 years) | In orbit |
| 84 | SWIFT | November 20 2004 | Gamma ray astronomy | Operational (3 years) | In orbit |
| 85 | Themis | February 17 2007 | Magnetospheric research | Operational | In orbit |
| 86 | Themis | February 17 2007 | Magnetospheric research | Operational | In orbit |
| 87 | Themis | February 17 2007 | Magnetospheric research | Operational | In orbit |
| 88 | Themis | February 17 2007 | Magnetospheric research | Operational | In orbit |
| 89 | Themis | February 17 2007 | Magnetospheric research | Operational | In orbit |
| 90 | AIM | April 25 2007 | Noctilucent cloud observation | Operational | In orbit |