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Mars 3 was a robotic space probe of the Soviet Mars program, launched May 28, 1971, nine days after its twin spacecraft Mars 2. The probes were identical robotic spacecraft launched by Proton-K rockets with a Blok D upper stage, each consisting of an orbiter and an attached lander.
Lander, Orbiter & Overview
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Mars 3 | Apoareion altitude | 214,500 km (133,300 mi) | 1.00 | infobox |
| Mars 3 | Contractor | Khrunichev | 1.00 | infobox |
| Mars 3 | COSPAR ID | 1971-049A 1971-049F | 1.00 | infobox |
| Mars 3 | Declared | August 22, 1972 (1972-08-22) | 1.00 | infobox |
| Mars 3 | Dimensions | 4.1 × 2.0 × 5.9 m (13.5 × 6.6 × 19.4 ft) | 1.00 | infobox |
| Mars 3 | Disposal | Decommissioned | 1.00 | infobox |
| Mars 3 | Dry mass | 2,265 kg (4,993 lb) | 1.00 | infobox |
| Mars 3 | Inclination | 60° | 1.00 | infobox |
| Mars 3 | Landing date | December 2, 1971 13:52 UTC | 1.00 | infobox |
| Mars 3 | Landing mass | 358 kg (789 lb) | 1.00 | infobox |
| Mars 3 | Landing site | .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-pars… | 1.00 | infobox |
| Mars 3 | Last contact | Orbiter: July 1972 Lander: 2 December 1971, 13:53:50 UTC | 1.00 | infobox |
| Mars 3 | Launch date | 28 May 1971, 15:26:30 (1971-05-28UTC15:26:30Z) UTC | 1.00 | infobox |
| Mars 3 | Launch mass | Total: 4,650 kg (10,250 lb) Orbiter: 3,440 kg (7,580 lb) Lander: 1,210 kg (2,670 lb) | 1.00 | infobox |
| Mars 3 | Launch site | Baikonur 81/23 | 1.00 | infobox |
| Mars 3 | Manufacturer | OKB-1 | 1.00 | infobox |
| Mars 3 | Mission duration | Orbiter: 1 year, 2 months and 25 days Lander: 1 minute and 50 seconds | 1.00 | infobox |
| Mars 3 | Mission type | Mars orbiter/lander | 1.00 | infobox |
| Mars 3 | Operator | Soviet space program | 1.00 | infobox |
| Mars 3 | Orbital insertion | December 2, 1971 | 1.00 | infobox |
| Mars 3 | Periareion altitude | 1,528 km (949 mi) | 1.00 | infobox |
| Mars 3 | Period | 12.67 days | 1.00 | infobox |
| Mars 3 | Reference system | Areocentric | 1.00 | infobox |
| Mars 3 | Rocket | Proton-K/D | 1.00 | infobox |
| Mars 3 | SATCAT no. | 5252 5667 | 1.00 | infobox |
| Mars 3 | Spacecraft type | 4M No.172 | 1.00 | infobox |
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