CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1986-0520
COSMOS 397 DEB
COSMOS 397 DEB (NORAD 15761) re-entered Earth’s atmosphere on 16 December 1986.
Official dateFragment record
NORAD number
15761
International designator
1971-015CW
Object type
Fragment
Country
USSR
Parent launched
25 Feb 1971Baikonur Cosmodrome
Re-entered (UTC)
16 Dec 1986UTC calendar day
Time since launch
15 years, 9 months5,773 days
How it ended
Re-entered (natural decay)
Latitude range
65.7°N to 65.7°SFinal inclination 65.7°
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 65.7°, allowed a re-entry anywhere between 65.7°N and 65.7°S.
Life in orbit
COSMOS 397 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 16 Dec 1986
2 entriesFrom the same launch
1971-015Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1986-0520
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1986-0520
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.