CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0527
DELTA 1 R/B(2)
DELTA 1 R/B(2) (NORAD 11072) re-entered Earth’s atmosphere on 19 October 1981, after 3 years, 10 months in orbit.
Official date
NORAD number
11072
International designator
1977-118D
Object type
Rocket body
Country
United States
Launched
15 Dec 1977Cape Canaveral
Re-entered (UTC)
19 Oct 1981UTC calendar dayAlso recorded as 9 Oct 1981
Time in orbit
3 years, 10 months1,404 days
How it ended
Re-entered (natural decay)
Latitude range
27.9°N to 27.9°SFinal inclination 27.9°
Mass
1,123 kg
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 27.9°, allowed a re-entry anywhere between 27.9°N and 27.9°S.
Life in orbit
3 years, 10 monthsDELTA 1 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 19 Oct 1981
3 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0527
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0527
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.