CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1986-0056
DELTA 1 R/B(2)
DELTA 1 R/B(2) (NORAD 8479) re-entered Earth’s atmosphere on 28 January 1986, after 10 years, 1 month in orbit.
Official date
NORAD number
8479
International designator
1975-117C
Object type
Rocket body
Country
United States
Launched
13 Dec 1975Cape Canaveral
Re-entered (UTC)
28 Jan 1986UTC calendar dayAlso recorded as 10 Nov 1982
Time in orbit
10 years, 1 month3,699 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
10 years, 1 monthDELTA 1 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 28 Jan 1986
1 entryFrom the same launch
1975-117
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1986-0056
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1986-0056
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.