The following table is a partial list of artificial objects on the surface of Mars, consisting of spacecraft which were launched from Earth. Most are defunct after having served their purpose, but the Spirit rover and the Opportunity rover are still operational as of 2009. The Phoenix lander is the most recent man-made object to land safely on Mars. The list does not currently include smaller objects such as springs, fragments, parachutes, heatshields. The landers of the MER rovers, or other mission objects may be included in the future.
| Man-made object | Image | Nationality | Landed | Mass (kg) | Location |
|---|---|---|---|---|---|
| Mars 2 1 | USSR | 1971 | 1210 | 4° N, 47° W. | |
| Mars 3 2 | USSR | 1971 | 1210 | Sirenum Terra, 45° S - 158° W | |
| Mars 6 1 | USSR | 1973 | 635 | Margaritifer Terra, 29.90° S - 19.42° W | |
| Viking 1 lander |
 |
United States | 1976 | 657 | Chryse Planitia, 22.480° N - 47.967° W |
| Viking 2 lander |
|
United States | 1976 | 657 | Utopia Planitia, 48.269° N - 225.99° W |
| Mars Pathfinder lander & Sojourner rover |
 |
United States | 1997 | 360 | Ares Vallis, 19.33° N - 33.55° W |
| Mars Climate Orbiter 3 |
 |
United States | 1999 | 629 | ? |
| Mars Polar Lander & Deep Space 2 1 |
 |
United States | 1999 | 500 | Ultimi Scopuli, 76° S - 195° W |
| Spirit rover (MER-A)4 |
 |
United States | 2004 | 1063 | Gusev crater, 14.5718° S - 175.4785° E |
| Opportunity rover (MER-B)4 |
|
United States | 2004 | 1063 | Meridiani Planum, 1.9483° S - 354.4742° E |
| Phoenix |
 |
United States | 2008 | 350 | Vastitas Borealis, unofficially named Green Valley, 68.22° N 125.7° W |
| Total estimated dry mass (kg) | 8,403 | ||||
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