compiled by Wm. Robert Johnston
last updated 29 May 2006
Summary of listed objects:
| Status and Location | Functioning | Defunct | Boosters | Debris | Total |
|---|---|---|---|---|---|
| orbiting Earth-Moon system | 1 | 3 | 15 | 2 | 21 |
| orbiting the Moon | 1 | 10 | 4 | 2 | 17 |
| orbiting the Sun | 11 | 49 | 99 | 22 | 181 |
| orbiting Venus | 1 | 4 | 1 | 0 | 6 |
| orbiting Mars | 4 | 7 | 1 | 2 | 14 |
| orbiting Saturn | 1 | 0 | 0 | 0 | 1 |
| Total in orbit | 19 | 73 | 120 | 28 | 240 |
| Solar system escape | 3 | 2 | 1 | 2 | 8 |
| on the Moon | 3 | 26 | 0 | 37 | 66 |
| on Venus | 0 | 13 | 0 | 15 | 28 |
| on Mars | 2 | 7 | 0 | 11 | 20 |
| on 433 Eros | 0 | 1 | 0 | 0 | 1 |
| on 25143 Itokawa | 0 | 0 | 0 | 1 | 1 |
| on 9P/Tempel 1 | 0 | 0 | 0 | 1 | 1 |
| in Jupiter | 0 | 0 | 0 | 2 | 2 |
| on Titan | 0 | 1 | 0 | 0 | 1 |
| Total on planets/asteroids/moons | 5 | 48 | 0 | 67 | 120 |
| Grand Total | 27 | 123 | 121 | 97 | 368 |