CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1981-0629

DELTA 1 DEB

DELTA 1 DEB (NORAD 10477) re-entered Earth’s atmosphere on 16 December 1981.

Official dateFragment record
NORAD number
10477
International designator
1977-065EK
Object type
Fragment
Country
United States
Parent launched
14 Jul 1977Cape Canaveral
Re-entered (UTC)
16 Dec 1981UTC calendar dayAlso recorded as 10 Dec 1981
Time since launch
4 years, 5 months1,616 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.

Also ended on 16 Dec 1981

1 entry
1981-0630SL-8 R/B

From the same launch

1977-065
1990-0368DELTA 1 R/B(2)
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0629
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.