MARS OBSERVER
| Launched | 24 September 1992 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 22136 |
| COSPAR ID | 1992-063A |
| Observing |
Timeline
| 1992 Sep 25 | – | Launch from Cape Canaveral LC-40 |
| 1993 Aug 21 | – | Last contact with spacecraft |
| 1993 Aug 24 | – | Planned orbital insertion (failed) |