CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0544
DELTA 1 DEB
DELTA 1 DEB (NORAD 9949) re-entered Earth’s atmosphere on 26 October 1981.
Official dateFragment record
NORAD number
9949
International designator
1975-004HD
Object type
Fragment
Country
United States
Parent launched
22 Jan 1975Vandenberg
Re-entered (UTC)
26 Oct 1981UTC calendar day
Time since launch
6 years, 9 months2,469 days
How it ended
Re-entered (natural decay)
Latitude range
82.7°N to 82.7°SFinal inclination 97.3°
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 97.3°, allowed a re-entry anywhere between 82.7°N and 82.7°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 26 Oct 1981
3 entriesPart of a fragment group
175 on record
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0544
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0544
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.