CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1985-0090

STS 51D

STS 51D (NORAD 15641) landed on 19 April 1985, after 7 days in orbit.

Official date
NORAD number
15641
International designator
1985-028A
Object type
Spacecraft
Country
United States
Launched
12 Apr 1985Cape Canaveral
Landed (UTC)
19 Apr 1985Recorded time 13:54 UTC
Time in orbit
7 days7 days
How it ended
Landed
Latitude range
28.5°N to 28.5°SFinal inclination 28.5°
Mass
95,325 kg
Operator
NASA JSC
Built by
RWI/Palmdale
Bus
STS OV
Programme
OV-103

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 28.5°, allowed a re-entry anywhere between 28.5°N and 28.5°S.

Life in orbit

7 days

Also ended on 19 Apr 1985

1 entry
1985-0091SL-11 R/B

From the same launch

1985-028
In orbitAnik C1In orbitSyncom IV-3
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1985-0090
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