CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0392
PEGASUS 1
PEGASUS 1 (NORAD 1085) came down while still attached to its host on 17 September 1978, after 13 years, 7 months in orbit.
Official date
NORAD number
1085
International designator
1965-009A
Object type
Spacecraft
Country
United States
Launched
16 Feb 1965Cape Canaveral
Re-entered (UTC)
17 Sep 1978UTC calendar day
Time in orbit
13 years, 7 months4,961 days
How it ended
Came down attached to its host
Latitude range
31.7°N to 31.7°SFinal inclination 31.7°
Mass
1,400 kg
Operator
NASA MSFC
Built by
Fairchild-Hiller
Bus
Pegasus
Programme
Pegasus
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 31.7°, allowed a re-entry anywhere between 31.7°N and 31.7°S.
Life in orbit
13 years, 7 monthsPEGASUS 1’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1965-009
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0392
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0392
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.