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// optical imaging · 1991

Cosmos 2171

Cosmos 2171 was launched on November 20, 1991 aboard a Soyuz-U from Plesetsk. Latest status in GCAT: landed (Jan 17, 1992).

COSPAR 1991-078ANORAD 21787Soviet Union

Identity

Name in GCAT
Kosmos-2171
Common name
Cosmos 2171
Payload designation
Kobal't No. 539
Other names
Yantar'-4K2 No. 65L:P,11F695 No. 649-33-539:RA
International designator
1991-078A
NORAD catalog number
21787
GCAT identifier
S21787
UN registration
ST/SG/SER.E/253

Mission

Mission type
Optical imaging
Use
Defense
Program
Kobal't
Owner
UNKS RF
Country
Soviet Union
Builder
Central Specialized Design Bureau
Platform (bus)
Yantar'-4K2

Launch

Date
November 20, 1991 · 19:15 UTC
Launch record
1991-078Success
Rocket
Soyuz-U
Spaceport
Plesetsk · pad LC43/3

Orbit and fate

Orbit class (GCAT)
LLEO/I
Perigee
180 km
Apogee
290 km
Inclination
62.81°
Status
Landed
Status date
January 17, 1992
Last known active
Jan 17, 1992
End of operations
Jan 17, 1992

Size

Mass
2,886 kg
Dry mass
2,886 kg
Total mass with attached objects
6,600 kg
Length
6.3 m
Diameter
2.70 m
Span
6.3 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q13566782 (CC0).