CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1980-0159

COSMOS 1173

COSMOS 1173 (NORAD 11763) landed on 28 April 1980, after 11 days in orbit.

Official date
NORAD number
11763
International designator
1980-029A
Object type
Spacecraft
Country
USSR
Launched
17 Apr 1980Baikonur Cosmodrome
Landed (UTC)
28 Apr 1980UTC calendar day
Time in orbit
11 days11 days
How it ended
Landed
Latitude range
70.3°N to 70.3°SFinal inclination 70.3°
Mass
2,400 kg
Operator
GUKOS RVSN
Built by
TsSKB
Bus
Zenit-4MK
Programme
Zenit-4MKM

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 70.3°, allowed a re-entry anywhere between 70.3°N and 70.3°S.

Life in orbit

11 days

Also ended on 28 Apr 1980

1 entry
1980-0158COSMOS 1166 DEB

From the same launch

1980-029
1980-0151SL-4 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0159
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