CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1979-0060
M-3H R/B
M-3H R/B (NORAD 10665) re-entered Earth’s atmosphere on 12 February 1979, after 1 year in orbit.
Official date
NORAD number
10665
International designator
1978-014B
Object type
Rocket body
Country
Japan
Launched
4 Feb 1978Uchinoura
Re-entered (UTC)
12 Feb 1979UTC calendar day
Time in orbit
1 year373 days
How it ended
Re-entered (natural decay)
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°
Mass
172 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 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.
Life in orbit
1 yearM-3H R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 12 Feb 1979
2 entriesEntered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1979-0060
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1979-0060
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.