CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0457
DMSP 5D-1 F3 DEB
DMSP 5D-1 F3 DEB (NORAD 10853) re-entered Earth’s atmosphere on 21 October 1991.
Official dateFragment record
NORAD number
10853
International designator
1978-042B
Object type
Fragment
Country
United States
Parent launched
1 May 1978Vandenberg
Re-entered (UTC)
21 Oct 1991UTC calendar day
Time since launch
13 years, 5 months4,921 days
How it ended
Re-entered (natural decay)
Latitude range
81.8°N to 81.8°SFinal inclination 98.2°
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 98.2°, allowed a re-entry anywhere between 81.8°N and 81.8°S.
Life in orbit
DMSP 5D-1 F3 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 21 Oct 1991
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0457
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0457
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.