Mars 4
| Use attributes for filter ! | |
| Launch date | July 21, 1973 |
|---|---|
| Mission duration | 9 days |
| Spacecraft | 3MS No. 52S |
| Manufacturers | Lavochkin |
| Last contact | February 10, 1974 |
| Reference system | Heliocentric orbit |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1247135 |
About Mars 4
Mars 4, also known as 3MS No. 52S was a Soviet spacecraft intended to explore Mars. A 3MS spacecraft launched as part of the Mars programme, it was intended to enter orbit around Mars in 1974. However, computer problems prevented orbital insertion from occurring.
