CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1969-0233
COSMOS 291
COSMOS 291 (NORAD 4058) re-entered Earth’s atmosphere on 8 September 1969, after 1 month in orbit.
Official date
NORAD number
4058
International designator
1969-066A
Object type
Spacecraft
Country
USSR
Launched
6 Aug 1969Baikonur Cosmodrome
Re-entered (UTC)
8 Sep 1969UTC calendar day
Time in orbit
1 month33 days
How it ended
Re-entered (natural decay)
Latitude range
62.2°N to 62.2°SFinal inclination 62.2°
Mass
1,400 kg
Operator
PKO
Built by
TSKBM / KB-1
Bus
IS
Programme
IS 5V91M
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 62.2°, allowed a re-entry anywhere between 62.2°N and 62.2°S.
Life in orbit
1 monthCOSMOS 291’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 8 Sep 1969
3 entriesFrom the same launch
1969-066
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1969-0233
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1969-0233
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.