CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2021-0322
SPATIUM-I
SPATIUM-I (NORAD 43638) re-entered Earth’s atmosphere on 23 September 2021, after 3 years in orbit.
Official dateIdentified from the historical record
NORAD number
43638
International designator
1998-067PN
Object type
Spacecraft
Official listing
OBJECT PNListed as an unidentified object
Country
Not recorded
Launched
22 Sep 2018Tanegashima
Released from
The International Space Station
Re-entered (UTC)
23 Sep 2021UTC calendar day
Time in orbit
3 years1,097 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
Mass
3 kg
Operator
Kyutech / NTU
Built by
NTU / Kyutech
Bus
Cubesat 2U
Programme
NTU
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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.
Life in orbit
3 yearsSPATIUM-I’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
2018-073
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2021-0322
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2021-0322
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.