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Cosmos 1733
Cosmos 1733 was launched on February 19, 1986 aboard a Tsiklon-3 from Plesetsk. Latest status in GCAT: reentered (orbital decay) (Dec 10, 2025).
COSPAR 1986-018ANORAD 16611Soviet Union
Identity
- Name in GCAT
- Kosmos-1733
- Common name
- Cosmos 1733
- Payload designation
- Ikar No. 50L
- Other names
- Tselina-D No. 50L:P,11F619 No. 450-86-150:RA
- International designator
- 1986-018A
- NORAD catalog number
- 16611
- GCAT identifier
- S16611
- UN registration
- ST/SG/SER.E/144
Mission
- Mission type
- Signals intelligence
- Use
- Defense
- Program
- Tselina-D
- Owner
- GRU
- Country
- Soviet Union
- Builder
- Southern State Design Bureau
- Platform (bus)
- Tselina-D
Launch
- Date
- February 19, 1986 · 23:04 UTC
- Launch record
- 1986-018Success
- Rocket
- Tsiklon-3
- Spaceport
- Plesetsk · pad LC32/1
Orbit and fate
- Orbit class (GCAT)
- LEO/I
- Perigee
- 631 km
- Apogee
- 663 km
- Inclination
- 82.52°
- Status
- Reentered (orbital decay)
- Status date
- December 10, 2025
- Last known active
- 1988
- End of operations
- 1988
Size
- Mass
- 1,750 kg
- Dry mass
- 1,750 kg
- Length
- 3.2 m
- Diameter
- 1.30 m
- Span
- 13.1 m
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q12753423 (CC0).