CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1981-0009

DELTA 1 DEB

DELTA 1 DEB (NORAD 10397) re-entered Earth’s atmosphere on 6 January 1981.

Official dateFragment record
NORAD number
10397
International designator
1975-004HF
Object type
Fragment
Country
United States
Parent launched
22 Jan 1975Vandenberg
Re-entered (UTC)
6 Jan 1981UTC calendar day
Time since launch
5 years, 11 months2,176 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.

Part of a fragment group

175 on record
175One of 175 fragments of Delta 1 on record →
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0009
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.