CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1969-0180

COSMOS 287

COSMOS 287 (NORAD 3991) landed on 2 July 1969, after 8 days in orbit.

Official date
NORAD number
3991
International designator
1969-054A
Object type
Spacecraft
Country
USSR
Launched
24 Jun 1969Baikonur Cosmodrome
Landed (UTC)
2 Jul 1969Recorded time 06:11 UTC
Time in orbit
8 days8 days
How it ended
Landed
Latitude range
51.8°N to 51.8°SFinal inclination 51.8°
Mass
2,100 kg
Operator
TsUKOS
Built by
TsKBEM Fil. 3
Bus
Zenit-2
Programme
Zenit-2 B

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 51.8°, allowed a re-entry anywhere between 51.8°N and 51.8°S.

Life in orbit

8 days

Also ended on 2 Jul 1969

1 entry
1969-0181SL-3 R/B

From the same launch

1969-054
1969-0176SL-3 R/B
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1969-0180
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.