| Satellite Name | Semimajor Axis (km) |
Eccentricity | Inclination (deg) |
Data Type(s) | No. of Obs. |
|---|---|---|---|---|---|
|
Ajisai (1986 - 1987) (1993-1994) |
7870 | 0.0011 | 50.0 | Laser, | 256,307 53,698 |
| BE-C (1979-1982) (1965) |
7507 | 0.0252 | 41.2 |
Laser,
Doppler |
64,786 14,106 |
| D1C (1971) (1967) |
7341 | 0.0526 | 40.0 | Laser ,
Doppler |
7,680 24,537 |
| D1D (1971) (1967) |
7622 | 0.0842 | 39.5 | Laser ,
Doppler |
12,160 33,483 |
| ERS-1 (1993) | 7154 | 0.0022 | 98.5 | Laser,
Altimeter |
37,137 542,417 |
| Etalon-1 (1991) | 25501 | 0.0007 | 64.9 | Laser, | 2,918 |
|
EUVE (1994) (1992-1993) |
6895 | 0.0013 | 28.5 | TDRSS GPS |
151,426 169,596 |
| GEOS-1 (1977-80) | 8075 | 0.071 | 59.3 | Laser, | 114,261 |
| GEOS-2 (1975-1977) | 7711 | 0.031 | 105.8 | Laser, | 18,641 |
| GEOS-3 (1975-1979) | 7726 | 0.001 | 114.9 | Laser,
SST Doppler |
16,935 27,400 |
| GEOS-3 (1980) | 7726 | 0.001 | 114.9 | Laser, | 76,662 |
| GEOSAT (1986 & 1987) | 7169 | 0.001 | 108.0 | Doppler Altimeter |
651,062 274,812 |
| GFZ-1 (1995 | 6728 | 0.0013 | 51.7 | Laser, | 5,548 |
| GPS/MET(1995) | 7128 | 0.0011 | 70.0 | GPS | 1,046,676 |
| HILAT (1993) | 7178 | 0.0045 | 82.0 | Doppler | 24,858 |
|
LAGEOS-1 (1980-1992) (1993-1994) |
12273 | 0.0048 | 109.9 | Laser, | 650,870 86,897 |
| LAGEOS-2 (1993-1994) | 12163 | 0.0132 | 52.0 | Laser, | 93,194 |
| Nova-1 (1984) | 7559 | 0.001 | 90.0 | Doppler | 71,767 |
| OSCAR-14 (1980) | 7448 | 0.003 | 89.2 | Doppler | 62,277 |
| Peole (1971) | 7006 | 0.016 | 15.0 | Laser, | 4,315 |
| RADCAL (1994) | 7193 | 0.0105 | 89.5 | Doppler | 83,930 |
| SEASAT (1978) | 7171 | 0.001 | 108.0 |
Laser,
Doppler |
13,145 123,516 |
| SPOT-2 (1990 & 1992) | 7208 | 0.002 | 98.7 | DORIS | 420,458 |
|
Starlette (1984 & 1986) (1993 & 1994) |
7331 | 0.0211 | 49.8 | Laser, | 184,740 54,766 |
| Stella (1993-1994) | 7173 | 0.0013 | 98.6 | Laser, | 21,366 |
| TOPEX/POSEIDON (1993-1994) | 7716 | 0.0004 | 66.0 | Laser,
DORIS Altimeter |
334,031 4,191,617 2,892,900 |
| TOPEX/POSEIDON (1992-1993) | <7716 | 0.0004 | 66.0 | GPS | 644,026 |
| 20 Optical Satellites | many | many | many | optical | 201,429 |
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