CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1975-0171
COSMOS 731 DEB
COSMOS 731 DEB (NORAD 7881) re-entered Earth’s atmosphere on 11 June 1975.
Official dateFragment record
NORAD number
7881
International designator
1975-041G
Object type
Fragment
Country
USSR
Parent launched
21 May 1975Baikonur Cosmodrome
Re-entered (UTC)
11 Jun 1975UTC calendar day
Time since launch
21 days21 days
How it ended
Re-entered (natural decay)
Latitude range
65.4°N to 65.4°SFinal inclination 65.4°
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 65.4°, allowed a re-entry anywhere between 65.4°N and 65.4°S.
Life in orbit
Also ended on 11 Jun 1975
3 entriesFrom the same launch
1975-041
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1975-0171
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1975-0171
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.