CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1975-0094
COSMOS 721 DEB
COSMOS 721 DEB (NORAD 7720) re-entered Earth’s atmosphere on 7 April 1975.
Official dateFragment record
NORAD number
7720
International designator
1975-020E
Object type
Fragment
Country
USSR
Parent launched
26 Mar 1975Plesetsk Cosmodrome
Re-entered (UTC)
7 Apr 1975UTC calendar day
Time since launch
12 days12 days
How it ended
Re-entered (natural decay)
Latitude range
81.3°N to 81.3°SFinal inclination 81.3°
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 81.3°, allowed a re-entry anywhere between 81.3°N and 81.3°S.
Life in orbit
Also ended on 7 Apr 1975
1 entryFrom the same launch
1975-020
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1975-0094
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1975-0094
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.