CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2017-0088
DELTA 1 R/B
DELTA 1 R/B (NORAD 8063) re-entered Earth’s atmosphere on 20 May 2017, after 41 years, 9 months in orbit.
Official date
NORAD number
8063
International designator
1975-072B
Object type
Rocket body
Country
United States
Launched
9 Aug 1975Vandenberg
Re-entered (UTC)
20 May 2017UTC calendar day
Time in orbit
41 years, 9 months15,260 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
845 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
41 years, 9 monthsDELTA 1 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1975-072
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2017-0088
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2017-0088
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.