STS-51-I on Discovery, the 20th Shuttle flight, deployed Aussat A1, ASC-1, and Leasat 4 communications satellites. Astronauts Fisher and van Hoften retrieved and repaired Leasat 3, stranded since STS-51-D, during two EVAs totaling nearly 12 hours.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 24.5 T
- Flight
- 20th
- of 135 Space Shuttle flights
- Date and time
- 27 August 1985, 10:58 UTC
- Rocket
- Space Shuttle
- Builder
- Rockwell / Martin Marietta / Thiokol
- Launch site
- Launch Complex 39A, Kennedy Space Center, FL, USA
- Payload
- Communications
- International designator
- 1985-076
- Launches in 1985
- 77th of 125
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas