CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0117
COSMOS 906
COSMOS 906 (NORAD 9938) came down while still attached to its host on 23 March 1980, after 2 years, 10 months in orbit.
Official date
NORAD number
9938
International designator
1977-031A
Object type
Spacecraft
Country
USSR
Launched
27 Apr 1977Kapustin Yar
Re-entered (UTC)
23 Mar 1980UTC calendar day
Time in orbit
2 years, 10 months1,061 days
How it ended
Came down attached to its host
Latitude range
50.6°N to 50.6°SFinal inclination 50.6°
Mass
100 kg
Operator
GUKOS RVSN
Built by
OAZ?
Bus
ER763-4
Programme
Signe GVM
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 50.6°, allowed a re-entry anywhere between 50.6°N and 50.6°S.
Life in orbit
2 years, 10 monthsCOSMOS 906’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 Mar 1980
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0117
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0117
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.