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// optical imaging · 1976

Cosmos 811

Cosmos 811 was launched on March 31, 1976 aboard a Soyuz 11A511M from Plesetsk. Latest status in GCAT: landed (Apr 12, 1976).

COSPAR 1976-030ANORAD 8781Soviet Union

Identity

Name in GCAT
Kosmos-811
Common name
Cosmos 811
Payload designation
Orion No. 8L
Other names
Zenit-4MT No. 8L:P,11F629 No. 760-29-838:RA
International designator
1976-030A
NORAD catalog number
8781
GCAT identifier
S08781
UN registration
A/AC.105/INF.343

Mission

Mission type
Optical imaging
Use
Defense
Program
Orion
Owner
VTS SA
Country
Soviet Union
Builder
Central Specialized Design Bureau
Platform (bus)
Zenit-4MT

Launch

Date
March 31, 1976 · 12:50 UTC
Launch record
1976-030Success
Spaceport
Plesetsk · pad LC41/1

Orbit and fate

Orbit class (GCAT)
LLEO/I
Perigee
204 km
Apogee
334 km
Inclination
72.85°
Status
Landed
Status date
April 12, 1976
Last known active
Apr 12, 1976
End of operations
Apr 12, 1976

Size

Mass
2,200 kg
Dry mass
2,200 kg
Total mass with attached objects
6,050 kg
Length
6.5 m
Diameter
2.40 m
Span
6.5 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q12907811 (CC0).