CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2021-0088
RSP-00
RSP-00 (NORAD 43639) re-entered Earth’s atmosphere on 14 March 2021, after 2 years, 5 months in orbit.
Official dateIdentified from the historical record
NORAD number
43639
International designator
1998-067PP
Object type
Spacecraft
Official listing
OBJECT PPListed as an unidentified object
Country
Not recorded
Launched
22 Sep 2018Tanegashima
Released from
The International Space Station
Re-entered (UTC)
14 Mar 2021UTC calendar day
Time in orbit
2 years, 5 months904 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
Mass
1 kg
Operator
Ryman Sat
Built by
Ryman Sat
Bus
Cubesat 1U
Programme
Ryman
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
2 years, 5 monthsRSP-00’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 14 Mar 2021
5 entriesFrom the same launch
2018-073Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2021-0088
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2021-0088
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.