CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1991-0558

DELTA 1 DEB

DELTA 1 DEB (NORAD 21517) re-entered Earth’s atmosphere on 31 December 1991.

Official dateFragment record
NORAD number
21517
International designator
1975-052GN
Object type
Fragment
Country
United States
Parent launched
12 Jun 1975Vandenberg
Re-entered (UTC)
31 Dec 1991UTC calendar dayAlso recorded as 29 Sep 1991
Time since launch
16 years, 6 months6,046 days
How it ended
Re-entered (natural decay)
Latitude range
—

Where it came down

Not on record

No position was recorded for this re-entry. Its final orbit is not on record.

Life in orbit

DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.

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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0558
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