CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2025-1310
ST5-B
ST5-B (NORAD 28981) re-entered Earth’s atmosphere on 29 July 2025, after 19 years, 4 months in orbit.
Official date
NORAD number
28981
International designator
2006-008B
Object type
Spacecraft
Country
United States
Launched
22 Mar 2006Air launch (Pacific)
Re-entered (UTC)
29 Jul 2025UTC calendar day
Time in orbit
19 years, 4 months7,069 days
How it ended
Re-entered (natural decay)
Latitude range
74.7°N to 74.7°SFinal inclination 105.3°
Mass
25 kg
Operator
GSFC
Built by
GSFC
Bus
ST5
Programme
NewMil
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 105.3°, allowed a re-entry anywhere between 74.7°N and 74.7°S.
Life in orbit
19 years, 4 monthsST5-B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 29 Jul 2025
9 entriesFrom the same launch
2006-008
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2025-1310
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2025-1310
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.