CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
2024-0737

APEX

APEX (NORAD 23191) re-entered Earth’s atmosphere on 22 May 2024 over the North Atlantic Ocean, after 29 years, 9 months in orbit.

Official date
NORAD number
23191
International designator
1994-046A
Object type
Spacecraft
Country
United States
Launched
3 Aug 1994Vandenberg
Re-entered (UTC)
22 May 2024Recorded time 03:28 UTC
Time in orbit
29 years, 9 months10,885 days
How it ended
Re-entered (natural decay)
Latitude range
69.8°N to 69.8°SFinal inclination 69.8°
Mass
261 kg
Operator
USAF STP
Built by
OSC-Germantown
Bus
Pegastar
Programme
STP1

Where it came down

Recorded position

Recorded position 34.0°N, 65.0°W at 03:28 UTC. Its final orbit, inclined at 69.8°, allowed a re-entry anywhere between 69.8°N and 69.8°S.

Life in orbit

29 years, 9 months

APEX’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 22 May 2024

6 entries
2024-0738OPS-SAT2024-0739STARLINK-25442024-0740STARLINK-22152024-0741STARLINK-22482024-0742STARLINK-26532024-0743ISS DEB (SPX-28 IPA FSE)
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2024-0737
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