CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1998-0253
DELTA 1 R/B(2)
DELTA 1 R/B(2) (NORAD 10794) re-entered Earth’s atmosphere on 4 September 1998, after 20 years, 4 months in orbit.
Official date
NORAD number
10794
International designator
1978-039C
Object type
Rocket body
Country
United States
Launched
7 Apr 1978Cape Canaveral
Re-entered (UTC)
4 Sep 1998UTC calendar day
Time in orbit
20 years, 4 months7,455 days
How it ended
Re-entered (natural decay)
Latitude range
26.8°N to 26.8°SFinal inclination 26.8°
Mass
1,123 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 26.8°, allowed a re-entry anywhere between 26.8°N and 26.8°S.
Life in orbit
20 years, 4 monthsDELTA 1 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 4 Sep 1998
1 entryEntered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1998-0253
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1998-0253
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.