CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1990-0171
COSMOS 1691 DEB
COSMOS 1691 DEB (NORAD 16264) re-entered Earth’s atmosphere on 23 March 1990.
Official dateFragment record
NORAD number
16264
International designator
1985-094H
Object type
Fragment
Country
USSR
Parent launched
9 Oct 1985Plesetsk Cosmodrome
Re-entered (UTC)
23 Mar 1990UTC calendar day
Time since launch
4 years, 5 months1,626 days
How it ended
Re-entered (natural decay)
Latitude range
82.4°N to 82.4°SFinal inclination 82.4°
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 82.4°, allowed a re-entry anywhere between 82.4°N and 82.4°S.
Life in orbit
COSMOS 1691 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 Mar 1990
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0171
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1990-0171
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.