CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2017-0147
Prometheus 2.2
Prometheus 2.2 (NORAD 42923) re-entered Earth’s atmosphere on 16 September 2017, after 21 days in orbit.
Official dateIdentified from the historical record
NORAD number
42923
International designator
2017-050C
Object type
Spacecraft
Official listing
MINOTAUR DEBListed as a fragment
Country
United States
Launched
26 Aug 2017Cape Canaveral
Re-entered (UTC)
16 Sep 2017UTC calendar day
Time in orbit
21 days21 days
How it ended
Re-entered (natural decay)
Latitude range
24.6°N to 24.6°SFinal inclination 24.6°
Mass
2 kg
Operator
SOCOM
Built by
LANL
Bus
Cubesat 1.5U
Programme
Prometheus
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 24.6°, allowed a re-entry anywhere between 24.6°N and 24.6°S.
Life in orbit
21 daysPrometheus 2.2’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 16 Sep 2017
2 entriesFrom the same launch
2017-050
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2017-0147
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2017-0147
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.