STS-51D
STS-51D was the fourth flight of Space Shuttle Discovery and NASA's 16th Shuttle mission. Karol J. Bobko, Donald E. Williams, Margaret Rhea Seddon, S. David Griggs, Jeffrey A. Hoffman, Charles D. Walker, and Senator E. Jake Garn launched from Launch Complex 39A on April 12, 1985, deployed communications satellites, and returned to Kennedy Space Center on April 19, 1985.
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Identity
- Aliases
- STS 51-DSTS-51-DSTS 51DSpace Transportation System-51D51-DTELSAT-I/SYNCOM IV-3Discovery STS-51D
- Name
- STS-51D
- Status
- completed
Details
- Astronauts
- Description
- STS-51D was the fourth flight of Space Shuttle Discovery and NASA's 16th Shuttle mission. Karol J. Bobko, Donald E. Williams, Margaret Rhea Seddon, S. David Griggs, Jeffrey A. Hoffman, Charles D. Walker, and Senator E. Jake Garn launched from Launch Complex 39A on April 12, 1985, deployed communications satellites, and returned to Kennedy Space Center on April 19, 1985.
- Destination
- Low Earth orbit at approximately 285 nautical miles altitude and 28.5° inclination for deploying TELSAT-I (ANIK C-1) and SYNCOM IV-3 (LEASAT-3) communications satellites
- End Date
- 1985-04-19
- Landing Facility
- Launch Site
- Outcome
- Success
- Programs
- Start Date
- 1985-04-12
- Vehicle Families
Links
- Official Url
- https://www.nasa.gov/mission/sts-51d/
Assets & Meta
- Creation Time
- June 30, 2026 at 03:37:50 UTC
- Updated Time
- August 23, 2026 at 02:54:35 UTC
- Image
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Other
- Affiliations
- Space Stations
- -
- Vehicles