STS-51-J
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| Mission Insignia |
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| Mission Statistics |
| Mission: | STS-51-J |
| Shuttle: | Atlantis |
| Launch Pad: | 39-A |
| Launch: | October 3, 1985,
11:15:30 am EDT |
| Landing: | October 7, 1985,
10:00:08 a.m. PDT |
| Duration: | Four days, one hour,
44 minutes, 38 seconds |
| Orbit Altitude: | 319 nautical miles |
| Orbit Inclination: | 28.5 degrees |
| Miles Traveled: | 1,725,000 |
| Crew photo |
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STS-51-J was a space shuttle mission by NASA using the Space Shuttle Atlantis. It was the 21st mission, and carried a payload for the U.S. Department of Defense. It was the first flight for Atlantis.
Crew
Mission Parameters
- Mass:
- Payload: Two DSCS-III satellites 2,615 kg ea - Total 5,230 kg
- Booster: IUS upper stage ~18,000 kg
- Perigee: 476 km
- Apogee: 486 km
- Inclination: 28.5°
- Period: 94.2 min
Mission Highlights
This was the second Space Shuttle mission totally dedicated to
the Department of Defense. Its cargo was classified but it is reported that two DSCS-III (Space science
