CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0493
COSMOS 959
COSMOS 959 (NORAD 10419) re-entered Earth’s atmosphere on 30 November 1977, after 1 month in orbit.
Official date
NORAD number
10419
International designator
1977-101A
Object type
Spacecraft
Country
USSR
Launched
21 Oct 1977Plesetsk Cosmodrome
Re-entered (UTC)
30 Nov 1977UTC calendar day
Time in orbit
1 month40 days
How it ended
Re-entered (natural decay)
Latitude range
65.8°N to 65.8°SFinal inclination 65.8°
Mass
1,045 kg
Operator
PKO
Built by
Southern SDB
Bus
Romb
Programme
Lira
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 65.8°, allowed a re-entry anywhere between 65.8°N and 65.8°S.
Life in orbit
1 monthCOSMOS 959’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1977-101
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0493
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0493
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.