CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1978-0281

DELTA 1 DEB

DELTA 1 DEB (NORAD 9690) re-entered Earth’s atmosphere on 20 June 1978.

Official dateFragment record
NORAD number
9690
International designator
1975-004GM
Object type
Fragment
Country
United States
Parent launched
22 Jan 1975Vandenberg
Re-entered (UTC)
20 Jun 1978UTC calendar dayAlso recorded as 6 Jun 1980
Time since launch
3 years, 4 months1,245 days
How it ended
Re-entered (natural decay)
Latitude range
82.4°N to 82.4°SFinal inclination 97.6°

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 97.6°, allowed a re-entry anywhere between 82.4°N and 82.4°S.

Life in orbit

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

Also ended on 20 Jun 1978

3 entries
1978-0282Kosmos-965 SS 121978-0283Kosmos-965 SS 161978-0280THOR ABLESTAR DEB

Part of a fragment group

175 on record
175One of 175 fragments of Delta 1 on record →
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0281
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