CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0063
COSMOS 250
COSMOS 250 (NORAD 3526) re-entered Earth’s atmosphere on 15 February 1978, after 9 years, 3 months in orbit.
Official date
NORAD number
3526
International designator
1968-095A
Object type
Spacecraft
Country
USSR
Launched
30 Oct 1968Plesetsk Cosmodrome
Re-entered (UTC)
15 Feb 1978UTC calendar day
Time in orbit
9 years, 3 months3,395 days
How it ended
Re-entered (natural decay)
Latitude range
73.9°N to 73.9°SFinal inclination 73.9°
Mass
434 kg
Operator
TsNII-108
Built by
Southern SDB
Bus
Tselina-OM
Programme
Tselina-OM
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 73.9°, allowed a re-entry anywhere between 73.9°N and 73.9°S.
Life in orbit
9 years, 3 monthsCOSMOS 250’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 15 Feb 1978
3 entriesFrom the same launch
1968-095
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0063
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0063
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.