CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0324
STS 43
STS 43 (NORAD 21638) landed on 11 August 1991, after 9 days in orbit.
Official date
NORAD number
21638
International designator
1991-054A
Object type
Spacecraft
Country
United States
Launched
2 Aug 1991Cape Canaveral
Landed (UTC)
11 Aug 1991Recorded time 12:23 UTC
Time in orbit
9 days9 days
How it ended
Landed
Latitude range
28.5°N to 28.5°SFinal inclination 28.5°
Mass
91,417 kg
Operator
NASA JSC
Built by
RWI/Palmdale
Bus
STS OV
Programme
OV-104
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 28.5°, allowed a re-entry anywhere between 28.5°N and 28.5°S.
Life in orbit
9 daysAlso ended on 11 Aug 1991
2 entriesFrom the same launch
1991-054
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0324
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0324
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.