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Cosmos 551
Cosmos 551 was launched on March 6, 1973 aboard a Voskhod 11A57 from Baikonur. Latest status in GCAT: landed (Mar 20, 1973).
COSPAR 1973-012ANORAD 6378Soviet Union
Identity
- Name in GCAT
- Kosmos-551
- Common name
- Cosmos 551
- Payload designation
- Rotor No. 39L
- Other names
- Zenit-4M No. 39L:P,11F691 No. 770-24-23-249:RA
- International designator
- 1973-012A
- NORAD catalog number
- 6378
- GCAT identifier
- S06378
- UN registration
- A/AC.105/INF.271
Mission
- Mission type
- Optical imaging
- Use
- Defense
- Program
- Zenit-4M
- Owner
- GUKOS RVSN
- Country
- Soviet Union
- Builder
- TsKBEM Filial No. 3
- Platform (bus)
- Zenit-4M
Launch
- Date
- March 6, 1973 · 09:20 UTC
- Launch record
- 1973-012Success
- Rocket
- Voskhod 11A57
- Spaceport
- Baikonur · pad LC31
Orbit and fate
- Orbit class (GCAT)
- LLEO/I
- Perigee
- 173 km
- Apogee
- 292 km
- Inclination
- 65.01°
- Status
- Landed
- Status date
- March 20, 1973
- Last known active
- Mar 20, 1973
- End of operations
- Mar 20, 1973
Size
- Mass
- 2,200 kg
- Dry mass
- 2,200 kg
- Total mass with attached objects
- 6,000 kg
- Length
- 6.0 m
- Diameter
- 2.20 m
- Span
- 6.0 m
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q12753895 (CC0).