CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0555
DELTA 1 R/B
DELTA 1 R/B (NORAD 532) re-entered Earth’s atmosphere on 2 November 1981, after 18 years, 8 months in orbit.
Official date
NORAD number
532
International designator
1963-004B
Object type
Rocket body
Country
United States
Launched
14 Feb 1963Cape Canaveral
Re-entered (UTC)
2 Nov 1981UTC calendar day
Time in orbit
18 years, 8 months6,836 days
How it ended
Re-entered (natural decay)
Latitude range
32.5°N to 32.5°SFinal inclination 32.5°
Mass
24 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 32.5°, allowed a re-entry anywhere between 32.5°N and 32.5°S.
Life in orbit
18 years, 8 monthsDELTA 1 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 2 Nov 1981
2 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0555
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0555
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.