CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1998-0254
H-1 R/B(2)
H-1 R/B(2) (NORAD 18879) re-entered Earth’s atmosphere on 5 September 1998, after 10 years, 6 months in orbit.
Official date
NORAD number
18879
International designator
1988-012C
Object type
Rocket body
Country
Japan
Launched
19 Feb 1988Tanegashima
Re-entered (UTC)
5 Sep 1998UTC calendar day
Time in orbit
10 years, 6 months3,851 days
How it ended
Re-entered (natural decay)
Latitude range
27.4°N to 27.4°SFinal inclination 27.4°
Mass
2,118 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 27.4°, allowed a re-entry anywhere between 27.4°N and 27.4°S.
Life in orbit
10 years, 6 monthsH-1 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 5 Sep 1998
3 entriesFrom the same launch
1988-012
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1998-0254
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1998-0254
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.