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Mars 4
Space probe. Mars 4 was launched on July 21, 1973 aboard a Proton-K/D from Baikonur. Latest status in GCAT: left Earth orbit for deep space (Jul 22, 1973).
COSPAR 1973-047ANORAD 6742Soviet Union
Identity
- Name in GCAT
- Mars-4
- Common name
- Mars 4
- Payload designation
- 3MS No. 52S
- Other names
- M-73:P
- International designator
- 1973-047A
- NORAD catalog number
- 6742
- GCAT identifier
- S06742
- UN registration
- A/AC.105/INF.276
Mission
- Mission type
- Deep space
- Use
- Civil government
- Program
- 3M
- Owner
- IKI
- Country
- Soviet Union
- Builder
- NPO Lavochkin
- Platform (bus)
- Mars
Launch
- Date
- July 21, 1973 · 19:30 UTC
- Launch record
- 1973-047Success
- Rocket
- Proton-K/D
- Spaceport
- Baikonur · pad LC81/23
Orbit and fate
- Orbit class (GCAT)
- EEO
- Perigee
- 160 km
- Inclination
- 51.55°
- Status
- Left Earth orbit for deep space
- Status date
- July 22, 1973
- Last known active
- February 1974
- End of operations
- February 1974
Size
- Mass
- 3,440 kg
- Dry mass
- 2,000 kg
- Length
- 4.1 m
- Diameter
- 2.00 m
- Span
- 5.9 m
Deep space
- Deep-space catalog entry
- D00497
- Final central body
- Mars
- Phase start
- February 8, 1974
- Phase outcome
- Flyby · February 12, 1974
- Destination
- HCO
Flight phases
| From | Central body | Ended | Outcome | Next |
|---|---|---|---|---|
| Jul 22, 1973 | Earth | Jul 25, 1973 | Escaped to another body | HCO |
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q1067650 (CC0).