RECORD OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry number
Certificate pending
SENTRY
SENTRY (NORAD 59140) re-entered Earth’s atmosphere on 25 March 2026, after 2 years in orbit.
Official date
NORAD number
59140
International designator
2024-043AU
Object type
Spacecraft
Country
United States
Launched
4 Mar 2024Vandenberg
Re-entered (UTC)
25 Mar 2026UTC calendar day
Time in orbit
2 years751 days
How it ended
Re-entered (natural decay)
Latitude range
82.5°N to 82.5°SFinal inclination 97.5°
Mass
10 kg
Operator
Quantum Space
Built by
Quantum Space
Bus
Cubesat 6U
Programme
Quantum Space
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 97.5°, allowed a re-entry anywhere between 82.5°N and 82.5°S.
Life in orbit
2 yearsSENTRY’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 25 Mar 2026
2 entriesFrom the same launch
2024-0432024-2088LEMUR 2 CHARLIE-ROSE2024-2113LEMUR 2 FELDHUS2024-2173OBJECT M2024-2174OBJECT AY2025-0039OBJECT AS2025-0040OBJECT AT2025-0701OBJECT AX2025-0811MH-12025-1075LACE-12025-1132LACE-22025-1616OBJECT S2025-1753IRIS-F1In orbitHORACIOIn orbitNuSat-44In orbitLynk Tower 6In orbitAerospacelab VHRIn orbitYAM-6In orbitJackal Mission X SV1
Recorded in the Orbital Register™. The certificate and its permanent entry number follow once the record is complete.
orbitalradar.com/register/norad/59140
© 2026 Orbital Radar.
orbitalradar.com/register/norad/59140
© 2026 Orbital Radar.