CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1969-0130
COSMOS 280
COSMOS 280 (NORAD 3906) landed on 6 May 1969, after 13 days in orbit.
Official date
NORAD number
3906
International designator
1969-040A
Object type
Spacecraft
Country
USSR
Launched
23 Apr 1969Baikonur Cosmodrome
Landed (UTC)
6 May 1969UTC calendar day
Time in orbit
13 days13 days
How it ended
Landed
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
Mass
2,200 kg
Operator
TsKBEM Fil. 3
Built by
TsKBEM Fil. 3
Bus
Zenit-4M
Programme
Zenit-4M
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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.
Life in orbit
13 daysFrom the same launch
1969-040Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1969-0130
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1969-0130
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.