CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1979-0087
DELTA 1 R/B
DELTA 1 R/B (NORAD 11258) re-entered Earth’s atmosphere on 25 February 1979, after 26 days in orbit.
Official date
NORAD number
11258
International designator
1979-007B
Object type
Rocket body
Country
United States
Launched
30 Jan 1979Cape Canaveral
Re-entered (UTC)
25 Feb 1979UTC calendar day
Time in orbit
26 days26 days
How it ended
Re-entered (natural decay)
Latitude range
28.6°N to 28.6°SFinal inclination 28.6°
Mass
845 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 28.6°, allowed a re-entry anywhere between 28.6°N and 28.6°S.
Life in orbit
26 daysDELTA 1 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 25 Feb 1979
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1979-0087
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1979-0087
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.