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Cosmos 1643
Cosmos 1643 was launched on March 25, 1985 aboard a Soyuz-U from Baikonur. Latest status in GCAT: deorbited (Oct 18, 1985).
COSPAR 1985-026ANORAD 15634Soviet Union
Identity
- Name in GCAT
- Kosmos-1643
- Common name
- Cosmos 1643
- Payload designation
- Terilen No. 4L
- Other names
- Yantar'-4KS1 No. 4L:P,11F694 No. 780-56-204:RA
- International designator
- 1985-026A
- NORAD catalog number
- 15634
- GCAT identifier
- S15634
- UN registration
- ST/SG/SER.E/128
Mission
- Mission type
- Optical imaging
- Use
- Defense
- Program
- Terilen
- Owner
- GUKOS
- Country
- Soviet Union
- Builder
- Central Specialized Design Bureau
- Platform (bus)
- Yantar'-4KS1
Launch
- Date
- March 25, 1985 · 10:00 UTC
- Launch record
- 1985-026Success
- Rocket
- Soyuz-U
- Spaceport
- Baikonur · pad LC1
Orbit and fate
- Orbit class (GCAT)
- LLEO/I
- Perigee
- 225 km
- Apogee
- 258 km
- Inclination
- 64.77°
- Status
- Deorbited
- Status date
- October 18, 1985
- Last known active
- Oct 18, 1985
- End of operations
- Oct 18, 1985
Size
- Mass
- 3,390 kg
- Dry mass
- 3,390 kg
- Total mass with attached objects
- 6,600 kg
- Length
- 7.5 m
- Diameter
- 2.70 m
- Span
- 8.5 m
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q12907455 (CC0).