Key facts
- Mission type
- Mars orbiter
- Operator
- Soviet space program
- Cospar id
- 1973-047A
- Mission duration
- 203 days, 20 hours and 7 minutes
- Spacecraft
- 3MS No.52S
- Manufacturer
- NPO Lavochkin
- Launch mass
- 3,440 kg (7,580 lb)
- Launch date
- 21 July 1973, 19:30:59 ( 1973-07-21UTC19:30:59Z ) UTC
- Rocket
- Proton-K / D
- Launch site
- Baikonur 81/23
- Contractor
- Khrunichev
- Last contact
- 10 February 1974, 15:38 UTC
- Reference system
- Heliocentric
- Perihelion altitude
- 1.02 AU
- Aphelion altitude
- 1.63 AU
- Inclination
- 2.2°
- Period
- 556 days
- Closest approach
- 10 February 1974, 15:34 UTC
via Wikipedia infobox
Wikidata facts
- Operator
- NPO Lavochkin
- Image
- Mars 4-5.jpg
- Significant event
- rocket launch
Show 3 more facts
- space launch vehicle
- Proton-K
- UTC date of spacecraft launch
- 1973-07-21
- Commons category
- Mars 4
via Wikidata · CC0