CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0391
DELTA 1 DEB
DELTA 1 DEB (NORAD 21681) re-entered Earth’s atmosphere on 8 September 1991.
Official dateFragment record
NORAD number
21681
International designator
1975-052JH
Object type
Fragment
Country
United States
Parent launched
12 Jun 1975Vandenberg
Re-entered (UTC)
8 Sep 1991UTC calendar dayAlso recorded as 6 Sep 1991
Time since launch
16 years, 2 months5,932 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
Also ended on 8 Sep 1991
2 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0391
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0391
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.