CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1998-0360
DELTA 1 R/B(2)
DELTA 1 R/B(2) (NORAD 8559) re-entered Earth’s atmosphere on 6 December 1998, after 23 years, 10 months in orbit.
Official date
NORAD number
8559
International designator
1975-011G
Object type
Rocket body
Country
United States
Launched
6 Feb 1975Cape Canaveral
Re-entered (UTC)
6 Dec 1998UTC calendar day
Time in orbit
23 years, 10 months8,704 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
1,123 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
23 years, 10 monthsDELTA 1 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1975-011
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1998-0360
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1998-0360
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.