CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1982-0377
DELTA 1 R/B(2)
DELTA 1 R/B(2) (NORAD 12494) re-entered Earth’s atmosphere on 21 September 1982, after 1 year, 3 months in orbit.
Official date
NORAD number
12494
International designator
1981-049C
Object type
Rocket body
Country
United States
Launched
22 May 1981Cape Canaveral
Re-entered (UTC)
21 Sep 1982UTC calendar dayAlso recorded as 15 Apr 1982
Time in orbit
1 year, 3 months487 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
1,123 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
1 year, 3 monthsDELTA 1 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 21 Sep 1982
2 entriesFrom the same launch
1981-049Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1982-0377
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1982-0377
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.