CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0226
COSMOS 1177
COSMOS 1177 (NORAD 11789) landed on 12 June 1980, after 1 month in orbit.
Official date
NORAD number
11789
International designator
1980-035A
Object type
Spacecraft
Country
USSR
Launched
29 Apr 1980Plesetsk Cosmodrome
Landed (UTC)
12 Jun 1980UTC calendar day
Time in orbit
1 month44 days
How it ended
Landed
Latitude range
67.1°N to 67.1°SFinal inclination 67.1°
Mass
2,886 kg
Operator
TsSKB
Built by
TsSKB
Bus
Yantar'-4K1
Programme
Oktan
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 67.1°, allowed a re-entry anywhere between 67.1°N and 67.1°S.
Life in orbit
1 monthCOSMOS 1177’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 12 Jun 1980
1 entryFrom the same launch
1980-035
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0226
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0226
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.