Non-exhaustive list of artificial objects that are currently orbiting the planet Mars. It is not precisely known whether some of them have already decayed or not.
Over 20 artificial objects have been identified. Spacecraft that are still in their systemic context, i.e. still operational, are highlighted in bold.
| COSPAR ID | name | type | mission | quantity | status | date/epoch (UTC) |
|---|---|---|---|---|---|---|
| 1971-045A | 4M/M-71P No.171 (KTDU-425A) | Mars orbiter | MARS 2 | 1 | EOM, inactive | August 22, 1972 |
| 1971-049A | 4M/M-71P No.172 (KTDU-425A) | Mars orbiter | MARS 3 | 1 | EOM, inactive | August 22, 1972 |
| 1971-051A | MARINER 71-I | Mars orbiter | MARINER 9 (MARINER MARS 71, MARINER-I) | 1 | EOM, inactive | October 27, 1972 |
| 1973-049A | 3MS/M-73S No.53S (KTDU-425A) | Mars orbiter | MARS 5 | 1 | EOM, inactive | February 28, 1974 |
| 1975-075C | BIOSHIELD BASE | Lander adapter | VIKING 1 | 1? | discarded, Mars atmospheric entry? | July 20, 1976 |
| 1975-075A | VIKING 1 ORBITER | Mars orbiter | VIKING 1 | 1 | EOM, inactive, Mars atmospheric entry? | August 17, 1980 |
| 1975-083C | BIOSHIELD BASE | Lander adapter | VIKING 2 | 1 | discarded, Mars atmospheric entry? | March 3, 1978 |
| 1975-083A | VIKING 2 ORBITER | Mars orbiter | VIKING 2 | 1 | EOM, inactive, Mars atmospheric entry? | July 25, 1978 |
| 1988-059E | ADU (KTDU-425A) | Spacecraft booster | PHOBOS 2 | 1 | discarded, Mars atmospheric entry? | March 25, 1989 |
| 1988-059A | 1F No.102 | Mars orbiter | PHOBOS 2 | 1 | LOS, inactive, Mars atmospheric entry? | March 27, 1989 |
| 1988-059F | PrOP-F HOPPING LANDER | Phobos lander | PHOBOS 2 | 1? | released?, Mars atmospheric entry? | March 27, 1989 |
| 1988-059G | DAS LANDER | Phobos lander | PHOBOS 2 | 1? | released?, Mars atmospheric entry? | March 27, 1989 |
| 1996-062A | MARS GLOBAL SURVEYOR (MGS) | Mars orbiter | MARS GLOBAL SURVEYOR (MGS) | 1 | EOM, inactive | November 2, 2006 |
| 2001-013A | MARS ODYSSEY, MARS GLOBAL MAPPER (MGM) | Mars orbiter | MARS ODYSSEY, MARS GLOBAL MAPPER (MGM) | 1 | active | October 23, 2001 |
| 2003-022A | MARS EXPRESS | Mars orbiter | MARS EXPRESS/BEAGLE 2 | 1 | active | December 25, 2003 |
| 2005-029A | MARS RECONNAISSANCE ORBITER (MRO) | Mars orbiter | MARS RECONNAISSANCE ORBITER (MRO) | 1 | active | March 10, 2006 |
| 2013-060A | MANGALYAAN ORBITER | Mars orbiter | MARS ORBITER MISSION (MANGALYAAN) | 1 | EOM, inactive | April,2022 |
| 2013-063A | MAVEN | Mars orbiter | MAVEN (MARS SCOUT 2) | 1 | active | September 20, 2014 |
| 2016-017A | EXO MARS TGO ORBITER | Mars orbiter | EXO MARS TRACE GAS ORBITER | 1 | active | October 19, 2016 |
| 2020-047A | MISABAR AL AMAL, HOPE PROBE | Mars orbiter | EMIRATES MARS MISSION (EMM, AL AMAL, HOPE) | 1 | active | February 9, 2021 |
| 2020-049A | TIANWEN-1 ORBITER | Mars orbiter | TIANWEN-1 | 1 | active | February 10, 2021 |
| 2020-049A | TW-1 DEPLOYABLE CAMERA 2 (TDC-2) | Camera | TIANWEN-1 | 1 | released, Mars atmospheric entry? | December 31, 2021 |