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// signals intelligence · 1975

Cosmos 781

Cosmos 781 was launched on November 21, 1975 aboard a Kosmos 11K65M from Plesetsk. Latest status in GCAT: reentered (orbital decay) (Nov 26, 1980).

COSPAR 1975-109ANORAD 8444Soviet Union

Identity

Name in GCAT
Kosmos-781
Common name
Cosmos 781
Payload designation
Tselina-OK No. 1?
International designator
1975-109A
NORAD catalog number
8444
GCAT identifier
S08444
UN registration
A/AC.105/INF.334

Mission

Mission type
Signals intelligence
Use
Defense
Program
Tselina-OK
Owner
GRU
Country
Soviet Union
Builder
Southern State Design Bureau
Platform (bus)
Tselina-OM

Launch

Date
November 21, 1975 · 17:11 UTC
Launch record
1975-109Success
Spaceport
Plesetsk · pad LC132/1

Orbit and fate

Orbit class (GCAT)
LLEO/I
Perigee
505 km
Apogee
548 km
Inclination
74.04°
Status
Reentered (orbital decay)
Status date
November 26, 1980
Last known active
1976
End of operations
1976

Size

Mass
434 kg
Dry mass
434 kg
Length
5.1 m
Diameter
1.20 m
Span
5.1 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q12753997 (CC0).