CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2023-1099
STEP CUBE LAB
STEP CUBE LAB (NORAD 43138) re-entered Earth’s atmosphere on 23 May 2023, after 5 years, 4 months in orbit.
Official date
NORAD number
43138
International designator
2018-004AD
Object type
Spacecraft
Country
South Korea
Launched
12 Jan 2018Sriharikota
Re-entered (UTC)
23 May 2023UTC calendar day
Time in orbit
5 years, 4 months1,957 days
How it ended
Re-entered (natural decay)
Latitude range
82.7°N to 82.7°SFinal inclination 97.3°
Mass
1 kg
Operator
Choson U
Built by
Choson U
Bus
Cubesat 1U
Programme
Chosun
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 97.3°, allowed a re-entry anywhere between 82.7°N and 82.7°S.
Life in orbit
5 years, 4 monthsSTEP CUBE LAB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 May 2023
22 entriesFrom the same launch
2018-004
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2023-1099
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2023-1099
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.