CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2000-0303
TUBSAT N1
TUBSAT N1 (NORAD 25390) re-entered Earth’s atmosphere on 21 October 2000, after 2 years, 3 months in orbit.
Official date
NORAD number
25390
International designator
1998-042B
Object type
Spacecraft
Country
Germany
Launched
7 Jul 1998Submarine launch
Re-entered (UTC)
21 Oct 2000UTC calendar day
Time in orbit
2 years, 3 months837 days
How it ended
Re-entered (natural decay)
Latitude range
78.9°N to 78.9°SFinal inclination 78.9°
Mass
3 kg
Operator
TUB
Built by
TUB
Bus
Tubsat-N
Programme
Tubsat
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 78.9°, allowed a re-entry anywhere between 78.9°N and 78.9°S.
Life in orbit
2 years, 3 monthsTUBSAT N1’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 21 Oct 2000
1 entryFrom the same launch
1998-042
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2000-0303
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2000-0303
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.