CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2012-0151
IRIDIUM 33 DEB
IRIDIUM 33 DEB (NORAD 33963) re-entered Earth’s atmosphere on 23 April 2012.
Official dateFragment record
NORAD number
33963
International designator
1997-051BY
Object type
Fragment
Country
United States
Parent launched
14 Sep 1997Baikonur Cosmodrome
Re-entered (UTC)
23 Apr 2012UTC calendar day
Time since launch
14 years, 7 months5,335 days
How it ended
Re-entered (natural decay)
Latitude range
85.5°N to 85.5°SFinal inclination 85.5°
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 85.5°, allowed a re-entry anywhere between 85.5°N and 85.5°S.
Life in orbit
IRIDIUM 33 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 Apr 2012
2 entriesFrom the same launch
1997-051Part of a break-up
539 on recordEntered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2012-0151
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2012-0151
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.