CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0275
HINOTORI (ASTRO A)
HINOTORI (ASTRO A) (NORAD 12307) re-entered Earth’s atmosphere on 11 July 1991, after 10 years, 4 months in orbit.
Official date
NORAD number
12307
International designator
1981-017A
Object type
Spacecraft
Country
Japan
Launched
21 Feb 1981Uchinoura
Re-entered (UTC)
11 Jul 1991UTC calendar day
Time in orbit
10 years, 4 months3,792 days
How it ended
Re-entered (natural decay)
Latitude range
31.3°N to 31.3°SFinal inclination 31.3°
Mass
188 kg
Operator
ISAS
Built by
ISAS
Bus
ASTRO
Programme
ASTRO
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 31.3°, allowed a re-entry anywhere between 31.3°N and 31.3°S.
Life in orbit
10 years, 4 monthsHINOTORI (ASTRO A)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 11 Jul 1991
1 entryFrom the same launch
1981-017
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0275
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0275
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.