CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2022-1879
TDO 4 SPACECRAFT
TDO 4 SPACECRAFT (NORAD 48620) re-entered Earth’s atmosphere on 18 September 2022, after 1 year, 4 months in orbit.
Official date
NORAD number
48620
International designator
2021-042C
Object type
Spacecraft
Country
United States
Launched
18 May 2021Cape Canaveral
Re-entered (UTC)
18 Sep 2022UTC calendar day
Time in orbit
1 year, 4 months488 days
How it ended
Re-entered (natural decay)
Latitude range
26.1°N to 26.1°SFinal inclination 26.1°
Mass
20 kg
Operator
USSF SMC / USAF Academy
Built by
USSF SMC
Bus
Cubesat 12U
Programme
SMC Cube
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 26.1°, allowed a re-entry anywhere between 26.1°N and 26.1°S.
Life in orbit
1 year, 4 monthsTDO 4 SPACECRAFT’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 18 Sep 2022
6 entriesFrom the same launch
2021-042Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2022-1879
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2022-1879
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.