Man made objects orbiting Mars

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 orange.

COSPAR IDnametypemissionquantitystatusdate/epoch (UTC)
1971-045A4M/M-71P No.171 (KTDU-425A)Mars orbiterMARS 21EOM, inactiveAugust 22, 1972
1971-049A4M/M-71P No.172 (KTDU-425A)Mars orbiterMARS 31EOM, inactiveAugust 22, 1972
1971-051AMARINER 71-IMars orbiterMARINER 9 (MARINER MARS 71, MARINER-I)1EOM, inactiveOctober 27, 1972
1973-049A3MS/M-73S No.53S (KTDU-425A)Mars orbiterMARS 51EOM, inactiveFebruary 28, 1974
1975-075CBIOSHIELD BASELander adapterVIKING 11?discarded, Mars atmospheric entry?July 20, 1976
1975-075AVIKING 1 ORBITERMars orbiterVIKING 11EOM, inactive, Mars atmospheric entry?August 17, 1980
1975-083AVIKING 2 ORBITER + BIOSHIELD BASEMars orbiter + lander adapterVIKING 21EOM, inactive, Mars atmospheric entry?July 25, 1978
1988-059EADU (KTDU-425A)Spacecraft boosterPHOBOS 21discarded, Mars atmospheric entry?March 25, 1989
1988-059A1F No.102Mars orbiterPHOBOS 21LOS, inactive, Mars atmospheric entry?March 27, 1989
1988-059FPrOP-F HOPPING LANDERPhobos landerPHOBOS 21?released?, Mars atmospheric entry?March 27, 1989
1988-059GDAS LANDERPhobos landerPHOBOS 21?released?, Mars atmospheric entry?March 27, 1989
1996-062AMARS GLOBAL SURVEYOR (MGS)Mars orbiterMARS GLOBAL SURVEYOR (MGS)1EOM, inactiveNovember 2, 2006
2001-013AMARS ODYSSEY, MARS GLOBAL MAPPER (MGM)Mars orbiterMARS ODYSSEY, MARS GLOBAL MAPPER (MGM)1activeOctober 23, 2001
2003-022AMARS EXPRESSMars orbiterMARS EXPRESS/BEAGLE 21activeDecember 25, 2003
2005-029AMARS RECONNAISSANCE ORBITER (MRO)Mars orbiterMARS RECONNAISSANCE ORBITER (MRO)1activeMarch 10, 2006
2013-060AMANGALYAAN ORBITERMars orbiterMARS ORBITER MISSION (MANGALYAAN)1activeSepember 24, 2014
2013-063AMAVENMars orbiterMAVEN (MARS SCOUT 2)1activeSeptember 20, 2014
2016-017AEXO MARS TGO ORBITERMars orbiterEXO MARS TRACE GAS ORBITER1activeOctober 19, 2016
2020-047AMISABAR AL AMAL, HOPE PROBEMars orbiterEMIRATES MARS MISSION (EMM, AL AMAL, HOPE)1activeFebruary 9, 2021
2020-049ATIANWEN-1 ORBITERMars orbiterTIANWEN-11activeFebruary 10, 2021
2020-049ATW-1 DEPLOYABLE CAMERA 2 (TDC-2)CameraTIANWEN-11released, Mars atmospheric entry?December 31, 2021