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Entry no.
1991-0239

STS 40

STS 40 (NORAD 21399) landed on 14 June 1991, after 9 days in orbit.

Official date
NORAD number
21399
International designator
1991-040A
Object type
Spacecraft
Country
United States
Launched
5 Jun 1991Cape Canaveral
Landed (UTC)
14 Jun 1991Recorded time 15:39 UTC
Time in orbit
9 days9 days
How it ended
Landed
Latitude range
39.0°N to 39.0°SFinal inclination 39.0°
Mass
95,722 kg
Operator
NASA JSC
Built by
RWI/Palmdale
Bus
STS OV
Programme
OV-102

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 39.0°, allowed a re-entry anywhere between 39.0°N and 39.0°S.

Life in orbit

9 days
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0239
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