CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0133
N-2 R/B(1)
N-2 R/B(1) (NORAD 16598) re-entered Earth’s atmosphere on 19 April 1987, after 1 year, 2 months in orbit.
Official date
NORAD number
16598
International designator
1986-016B
Object type
Rocket body
Country
Japan
Launched
12 Feb 1986Tanegashima
Re-entered (UTC)
19 Apr 1987UTC calendar day
Time in orbit
1 year, 2 months431 days
How it ended
Re-entered (natural decay)
Latitude range
29.9°N to 29.9°SFinal inclination 29.9°
Mass
950 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 29.9°, allowed a re-entry anywhere between 29.9°N and 29.9°S.
Life in orbit
1 year, 2 monthsN-2 R/B(1)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 19 Apr 1987
2 entriesFrom the same launch
1986-016
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0133
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0133
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.