CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0484
ASTRO C (SS-11 GINGA)
ASTRO C (SS-11 GINGA) (NORAD 17480) re-entered Earth’s atmosphere on 1 November 1991, after 4 years, 8 months in orbit.
Official date
NORAD number
17480
International designator
1987-012A
Object type
Spacecraft
Country
Japan
Launched
5 Feb 1987Uchinoura
Re-entered (UTC)
1 Nov 1991UTC calendar day
Time in orbit
4 years, 8 months1,730 days
How it ended
Re-entered (natural decay)
Latitude range
31.1°N to 31.1°SFinal inclination 31.1°
Mass
420 kg
Operator
ISAS
Built by
ISAS
Bus
ASTRO-C
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 31.1°, allowed a re-entry anywhere between 31.1°N and 31.1°S.
Life in orbit
4 years, 8 monthsASTRO C (SS-11 GINGA)’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1987-012
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0484
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0484
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.