CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1991-0388

H-1 R/B(1)

H-1 R/B(1) (NORAD 21669) re-entered Earth’s atmosphere on 7 September 1991, after 13 days in orbit.

Official date
NORAD number
21669
International designator
1991-060B
Object type
Rocket body
Country
Japan
Launched
25 Aug 1991Tanegashima
Re-entered (UTC)
7 Sep 1991UTC calendar day
Time in orbit
13 days13 days
How it ended
Re-entered (natural decay)
Latitude range
30.6°N to 30.6°SFinal inclination 30.6°
Mass
1,900 kg

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 30.6°, allowed a re-entry anywhere between 30.6°N and 30.6°S.

Life in orbit

13 days

Also ended on 7 Sep 1991

1 entry
1991-0387MIR DEB

From the same launch

1991-060
1992-0122H-1 R/B(2)
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0388
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