CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1990-0507
N-2 R/B(2)
N-2 R/B(2) (NORAD 12810) re-entered Earth’s atmosphere on 23 November 1990, after 9 years, 3 months in orbit.
Official date
NORAD number
12810
International designator
1981-076C
Object type
Rocket body
Country
Japan
Launched
10 Aug 1981Tanegashima
Re-entered (UTC)
23 Nov 1990UTC calendar day
Time in orbit
9 years, 3 months3,392 days
How it ended
Re-entered (natural decay)
Latitude range
28.4°N to 28.4°SFinal inclination 28.4°
Mass
1,123 kg
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 28.4°, allowed a re-entry anywhere between 28.4°N and 28.4°S.
Life in orbit
9 years, 3 monthsN-2 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 Nov 1990
1 entryFrom the same launch
1981-076
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0507
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1990-0507
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.