CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1983-0011
M-3C R/B
M-3C R/B (NORAD 7123) re-entered Earth’s atmosphere on 21 January 1983, after 8 years, 11 months in orbit.
Official date
NORAD number
7123
International designator
1974-008B
Object type
Rocket body
Country
Japan
Launched
16 Feb 1974Uchinoura
Re-entered (UTC)
21 Jan 1983UTC calendar day
Time in orbit
8 years, 11 months3,261 days
How it ended
Re-entered (natural decay)
Latitude range
31.2°N to 31.2°SFinal inclination 31.2°
Mass
180 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 31.2°, allowed a re-entry anywhere between 31.2°N and 31.2°S.
Life in orbit
8 years, 11 monthsM-3C R/B’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1974-008
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1983-0011
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1983-0011
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.