CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1999-0007
PEGASUS R/B(1)
PEGASUS R/B(1) (NORAD 25421) re-entered Earth’s atmosphere on 5 January 1999, after 5 months in orbit.
Official date
NORAD number
25421
International designator
1998-046J
Object type
Rocket body
Country
United States
Launched
2 Aug 1998Air launch (Atlantic)
Re-entered (UTC)
5 Jan 1999UTC calendar dayAlso recorded as 4 Jan 1999
Time in orbit
5 months156 days
How it ended
Re-entered (natural decay)
Latitude range
44.9°N to 44.9°SFinal inclination 44.9°
Mass
122 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 44.9°, allowed a re-entry anywhere between 44.9°N and 44.9°S.
Life in orbit
5 monthsPEGASUS R/B(1)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 5 Jan 1999
1 entryFrom the same launch
1998-046
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1999-0007
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1999-0007
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.