CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1989-0639

DELTA 1 R/B

DELTA 1 R/B (NORAD 625) re-entered Earth’s atmosphere on 9 July 1989, after 25 years, 11 months in orbit.

Official date
NORAD number
625
International designator
1963-031B
Object type
Rocket body
Country
United States
Launched
26 Jul 1963Cape Canaveral
Re-entered (UTC)
9 Jul 1989UTC calendar day
Time in orbit
25 years, 11 months9,480 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 allowed
Exact 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

25 years, 11 months

DELTA 1 R/B’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 9 Jul 1989

1 entry
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1989-0639
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.