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// signals intelligence · 1985

Cosmos 1633

Cosmos 1633 was launched on March 5, 1985 aboard a Tsiklon-3 from Plesetsk. Latest status in GCAT: reentered (orbital decay) (Apr 5, 2024).

COSPAR 1985-020ANORAD 15592Soviet Union

Identity

Name in GCAT
Kosmos-1633
Common name
Cosmos 1633
Payload designation
Ikar No. 43L
Other names
Tselina-D No. 43L:P,11F619 No. 670-14-743:RA
International designator
1985-020A
NORAD catalog number
15592
GCAT identifier
S15592
UN registration
ST/SG/SER.E/128

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
March 5, 1985 · 15:39 UTC
Launch record
1985-020Success
Rocket
Tsiklon-3
Spaceport
Plesetsk · pad LC32/2

Orbit and fate

Orbit class (GCAT)
LEO/I
Perigee
636 km
Apogee
657 km
Inclination
82.54°
Status
Reentered (orbital decay)
Status date
April 5, 2024
Last known active
1987
End of operations
1987

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 Q12753371 (CC0).