CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2023-1181
POLARCUBE
POLARCUBE (NORAD 47310) re-entered Earth’s atmosphere on 6 June 2023, after 2 years, 4 months in orbit.
Official date
NORAD number
47310
International designator
2021-002B
Object type
Spacecraft
Country
United States
Launched
17 Jan 2021Air launch (Pacific)
Re-entered (UTC)
6 Jun 2023UTC calendar day
Time in orbit
2 years, 4 months870 days
How it ended
Re-entered (natural decay)
Latitude range
60.6°N to 60.6°SFinal inclination 60.6°
Mass
4 kg
Operator
ColoSpaceGrant
Built by
ColoSpaceGrant
Bus
Cubesat 3U
Programme
UCO
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 60.6°, allowed a re-entry anywhere between 60.6°N and 60.6°S.
Life in orbit
2 years, 4 monthsPOLARCUBE’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 6 Jun 2023
11 entriesFrom the same launch
2021-002
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2023-1181
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2023-1181
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.