CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0119
H-1 R/B(2)
H-1 R/B(2) (NORAD 20773) re-entered Earth’s atmosphere on 15 March 1991, after 6 months in orbit.
Official date
NORAD number
20773
International designator
1990-077C
Object type
Rocket body
Country
Japan
Launched
28 Aug 1990Tanegashima
Re-entered (UTC)
15 Mar 1991UTC calendar dayAlso recorded as 16 Feb 1991
Time in orbit
6 months199 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
2,118 kg
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
6 monthsH-1 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 15 Mar 1991
1 entryFrom the same launch
1990-077Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0119
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0119
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.