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// missile early warning · 1977

Kosmos 917

Russian military early warning satellite. Kosmos 917 was launched on June 16, 1977 aboard a Molniya 8K78M from Plesetsk. Latest status in GCAT: reentered (orbital decay) (Jan 4, 2023).

COSPAR 1977-047ANORAD 10059Soviet Union

Identity

Name in GCAT
Kosmos-917
Common name
Kosmos 917
Payload designation
US-K 5V95 No. 3001 (TV)
International designator
1977-047A
NORAD catalog number
10059
GCAT identifier
S10059
UN registration
A/AC.105/INF.364

Mission

Mission type
Missile early warning
Use
Defense
Program
Oko B
Owner
PVO
Country
Soviet Union
Builder
NPO Lavochkin
Platform (bus)
Oko

Launch

Date
June 16, 1977 · 01:58 UTC
Launch record
1977-047Success
Spaceport
Plesetsk · pad LC43/4

Orbit and fate

Orbit class (GCAT)
HEO/M
Perigee
621 km
Apogee
39,725 km
Inclination
62.90°
Status
Reentered (orbital decay)
Status date
January 4, 2023
Last known active
Mar 30, 1979
End of operations
Mar 30, 1979

Size

Mass
1,250 kg
Dry mass
1,150 kg
Length
4.0 m
Diameter
2.00 m
Span
5.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q3399360 (CC0).