CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0570
DELTA 1 R/B(2)
DELTA 1 R/B(2) (NORAD 8312) re-entered Earth’s atmosphere on 6 November 1981, after 8 years, 11 months in orbit.
Official date
NORAD number
8312
International designator
1972-090C
Object type
Rocket body
Country
United States
Launched
10 Nov 1972Cape Canaveral
Re-entered (UTC)
6 Nov 1981UTC calendar day
Time in orbit
8 years, 11 months3,283 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
1,047 kg
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
8 years, 11 monthsAlso ended on 6 Nov 1981
3 entriesFrom the same launch
1972-090
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0570
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0570
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.