CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0291
M-4S DEB
M-4S DEB (NORAD 5419) re-entered Earth’s atmosphere on 26 July 1980.
Official dateFragment record
NORAD number
5419
International designator
1971-011C
Object type
Fragment
Country
Japan
Parent launched
16 Feb 1971Uchinoura
Re-entered (UTC)
26 Jul 1980UTC calendar day
Time since launch
9 years, 5 months3,448 days
How it ended
Re-entered (natural decay)
Latitude range
30.1°N to 30.1°SFinal inclination 30.1°
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 30.1°, allowed a re-entry anywhere between 30.1°N and 30.1°S.
Life in orbit
M-4S DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 26 Jul 1980
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0291
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0291
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.