CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2012-0181
COSMOS 2251 DEB
COSMOS 2251 DEB (NORAD 36431) re-entered Earth’s atmosphere on 20 May 2012.
Official dateFragment record
NORAD number
36431
International designator
1993-036BAE
Object type
Fragment
Country
Russia
Parent launched
16 Jun 1993Plesetsk Cosmodrome
Re-entered (UTC)
20 May 2012UTC calendar day
Time since launch
18 years, 11 months6,913 days
How it ended
Re-entered (natural decay)
Latitude range
74.1°N to 74.1°SFinal inclination 74.1°
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 74.1°, allowed a re-entry anywhere between 74.1°N and 74.1°S.
Life in orbit
COSMOS 2251 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 20 May 2012
4 entriesPart of a break-up
1,101 on record
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2012-0181
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2012-0181
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.