CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2023-1754
TERRIERS
TERRIERS (NORAD 25735) re-entered Earth’s atmosphere on 21 October 2023, after 24 years, 5 months in orbit.
Official date
NORAD number
25735
International designator
1999-026A
Object type
Spacecraft
Country
United States
Launched
18 May 1999Air launch (Pacific)
Re-entered (UTC)
21 Oct 2023UTC calendar day
Time in orbit
24 years, 5 months8,922 days
How it ended
Re-entered (natural decay)
Latitude range
82.8°N to 82.8°SFinal inclination 97.2°
Mass
125 kg
Operator
GSFC
Built by
AeroAstro
Bus
HETE
Programme
UNEX
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 97.2°, allowed a re-entry anywhere between 82.8°N and 82.8°S.
Life in orbit
24 years, 5 monthsTERRIERS’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 21 Oct 2023
14 entriesFrom the same launch
1999-026
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2023-1754
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2023-1754
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.