CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0552
ATLAS F R/B
ATLAS F R/B (NORAD 11078) re-entered Earth’s atmosphere on 25 December 1991, after 13 years, 2 months in orbit.
Official date
NORAD number
11078
International designator
1978-093B
Object type
Rocket body
Country
United States
Launched
7 Oct 1978Vandenberg
Re-entered (UTC)
25 Dec 1991UTC calendar day
Time in orbit
13 years, 2 months4,827 days
How it ended
Re-entered (natural decay)
Latitude range
62.8°N to 62.8°SFinal inclination 62.8°
Mass
1,197 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 62.8°, allowed a re-entry anywhere between 62.8°N and 62.8°S.
Life in orbit
13 years, 2 monthsATLAS F R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0552
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0552
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.