CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0410
DELTA 1 R/B
DELTA 1 R/B (NORAD 5880) re-entered Earth’s atmosphere on 9 October 1980, after 8 years, 6 months in orbit.
Official date
NORAD number
5880
International designator
1972-014B
Object type
Rocket body
Country
United States
Launched
12 Mar 1972Vandenberg
Re-entered (UTC)
9 Oct 1980UTC calendar day
Time in orbit
8 years, 6 months3,133 days
How it ended
Re-entered (natural decay)
Latitude range
82.6°N to 82.6°SFinal inclination 97.4°
Mass
785 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 97.4°, allowed a re-entry anywhere between 82.6°N and 82.6°S.
Life in orbit
8 years, 6 monthsDELTA 1 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 9 Oct 1980
3 entriesFrom the same launch
1972-014
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0410
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0410
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.