Mars probes Name From Date Orbit (km) Depart to Date Orbit CO AMS Mars Solar orbit 1963 Jun 19 193000 Solar orbit 1963 Jun 20 1962 BNu Mariner IV Solar orbit 1965 Jul 15 9850 Solar orbit 1965 Jul 15 1964-77A Zond-2 Solar orbit 1965 Aug 6 1500 Solar orbit 1965 Aug 6 1964-78C Mariner VI Solar orbit 1969 Jul 31 3430 Solar orbit 1969 Jul 31 1969-14A Mariner VII Solar orbit 1969 Aug 5 3430 Solar orbit 1969 Aug 5 1969-30A Mariner IX Solar orbit 1971 Nov 14 1394x17144x64 1971-54A Mars-2 Solar orbit 1971 Nov 27 1380x25000x49 1971-45A Spuskaemiy apparat Marsa-2 Mars-2 1971 Nov 27 Impact 1971 Nov 27 45S 58E 1971-45D Mars-3 Solar orbit 1971 Dec 2 1530x214500x60 1971-49A Spuskaemiy apparat Marsa-3 Mars-3 1971 Dec 2 Landing 1971 Dec 2 45S 158W 1971-49E Mars-4 Solar orbit 1974 Feb 10 2200 Solar orbit 1974 Feb 9 1973-47A Mars-5 Solar orbit 1974 Feb 12 1760x32560x35 1973-49A Mars-7 Solar orbit 1974 Mar 9 1300 Solar orbit 1974 Mar 9 1973-53A Spuskaemiy apparat Marsa-7 Solar orbit 1974 Mar 9 1300 Solar orbit 1974 Mar 9 1973-53D Mars-6 Solar orbit 1974 Mar 12 1600 Solar orbit 1974 Mar 12 1973-52A Spuskaemiy apparat Marsa-6 Solar orbit 1974 Mar 12 Impact 1974 Mar 12 24S 25W 1973-52D Viking Orbiter 1 Solar orbit 1976 Jun 19 1500x32800x38 1975-75A 1980 Jul 31 411x56275x38 Centaur TC-4 Solar orbit 1976 Jun 19 80500 Solar orbit 1976 Jun 19 1975-75B Viking Lander 1 VO-1 1976 Jul 20 Landing 1976 Jul 20 1975-75C Viking 1 bioshield base VO-1 1976 Jul? 1500x32800x38 1975-75 Viking Orbiter 2 Solar orbit 1976 Aug 7 1502x35728x55.6 1975-83A 1976 Aug 25 1432x32042x55.6 1976 Aug 27 1502x32692x55.4 1976 Sep 30 1518x34933x75.1 1976 Dec 20 787x35463x80.1 1977 Oct 23 302x33176x80.3 Centaur TC-3 Solar orbit 1976 Aug 7 80500 Solar orbit 1976 Aug 7 1975-83B Viking Lander 2 VO-2 1976 Sep 3 1502x32692x55.4 Landing 1976 Sep 3 48N 226W 1975-83C Viking 2 bioshield base VO-2 1978 Mar 3 302x33240x80 1975-83 Fobos-1 Solar orbit 1989 Jan 23 ? Solar orbit 1989 Jan 23 1988-58A Fobos-2 Solar orbit 1989 Jan 29 867x81357x0.9 1988-59A 1989 Feb 18 6145x6409x1.3 Fobos-2 ADU Solar orbit 1989 Feb 18 6145x6409x1.3 1988-59