CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0004
COSMOS 538 DEB
COSMOS 538 DEB (NORAD 6331) re-entered Earth’s atmosphere on 4 January 1973.
Official dateFragment record
NORAD number
6331
International designator
1972-099E
Object type
Fragment
Country
USSR
Parent launched
14 Dec 1972Plesetsk Cosmodrome
Re-entered (UTC)
4 Jan 1973UTC 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
Came down with COSMOS 538 DEB
2 entriesFrom the same launch
1972-099
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0004
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0004
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.