CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2011-0257
SL-12 DEB
SL-12 DEB (NORAD 29473) re-entered Earth’s atmosphere on 9 September 2011.
Official dateFragment record
NORAD number
29473
International designator
1989-039DT
Object type
Fragment
Country
USSR
Parent launched
31 May 1989Baikonur Cosmodrome
Re-entered (UTC)
9 Sep 2011UTC calendar day
Time since launch
22 years, 3 months8,136 days
How it ended
Re-entered (natural decay)
Latitude range
—
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
SL-12 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 9 Sep 2011
2 entriesFrom the same launch
1989-039
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2011-0257
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2011-0257
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.