CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0345
H-1 R/B(1)
H-1 R/B(1) (NORAD 18317) re-entered Earth’s atmosphere on 28 August 1987, after 1 day in orbit.
Official date
NORAD number
18317
International designator
1987-070B
Object type
Rocket body
Country
Japan
Launched
27 Aug 1987Tanegashima
Re-entered (UTC)
28 Aug 1987UTC calendar day
Time in orbit
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
30.4°N to 30.4°SFinal inclination 30.4°
Mass
1,900 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 30.4°, allowed a re-entry anywhere between 30.4°N and 30.4°S.
Life in orbit
1 dayAlso ended on 28 Aug 1987
1 entryFrom the same launch
1987-070Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0345
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0345
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.