Mars Orbiters
2001 Mars Odyssey 7 Apr 2001 - Present
Mariner 9 30 May 1971 - 27 Oct 1972
Mariner 8 9 May 1971
Mars Observer 25 Sep 1992 - 21 Aug 1993
Viking 1 20 Aug 1975 - 13 Nov 1982
Viking 2 9 Sep 1975 - 11 Apr 1980
Mars 4 21 Jul 1973 - 30 Jul 1973
Mars 5 25 Jul 1973 - 28 Feb 1974
Mars 2 19 May 1971 - 22 Aug 1972
Mars 3 28 May 1971 - 22 Aug 1972
Mars Express 2 Jun 2003 - Present
Mars Global Surveyor 7 Nov 1996 - 2 Nov 2006
Mars Climate Orbiter 11 Dec 1998 - 23 Sep 1999
Phobos program 7 Jul 1988 - 27 Mar 1989
Mars 96 16 Nov 1996 - 18 Nov 1996
Mars Reconnaissance Orbiter 12 Aug 2005 - Present
Fobos-Grunt 8 Nov 2011 - 15 Jan 2012
Kosmos 419 10 May 1971 - 12 May 1971
Mars 2M No.522 2 Apr 1969
Mars 2M No.521 27 Mar 1969
MAVEN 18 Nov 2013 - Present
Yinghuo-1 8 Nov 2011 - 15 Jan 2012
Mangalyaan 5 Nov 2013 - Present