CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0187
DENPA (REXS)
DENPA (REXS) (NORAD 6152) re-entered Earth’s atmosphere on 19 May 1980, after 7 years, 9 months in orbit.
Official date
NORAD number
6152
International designator
1972-064A
Object type
Spacecraft
Country
Japan
Launched
19 Aug 1972Uchinoura
Re-entered (UTC)
19 May 1980UTC calendar day
Time in orbit
7 years, 9 months2,830 days
How it ended
Re-entered (natural decay)
Latitude range
30.9°N to 30.9°SFinal inclination 30.9°
Mass
75 kg
Operator
ISAS
Built by
ISAS
Bus
REXS
Programme
Mu Early
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 30.9°, allowed a re-entry anywhere between 30.9°N and 30.9°S.
Life in orbit
7 years, 9 monthsDENPA (REXS)’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1972-064
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0187
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0187
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.