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STS-41-D

STS-41-D
STS-41-D launch August 30, 1984.jpg
The launch of Space Shuttle Discovery on its first mission on 30 August 1984.
Mission type Satellite deployment
Operator NASA
COSPAR ID 1984-093A
SATCAT № 15234
Mission duration 6 days, 56 minutes, 5 seconds
Distance travelled 4,010,000 kilometres (2,490,000 mi)
Orbits completed 97
Spacecraft properties
Spacecraft Space Shuttle Discovery
Launch mass 119,511 kilograms (263,477 lb)
Landing mass 91,478 kilograms (201,674 lb)
Payload mass 18,681 kilograms (41,184 lb)
Crew
Crew size 6
Members Henry W. Hartsfield, Jr.
Michael L. Coats
Richard M. Mullane
Steven A. Hawley
Judith A. Resnik
Charles D. Walker
Start of mission
Launch date 30 August 1984, 12:41:50 (1984-08-30UTC12:41:50Z) UTC
Launch site Kennedy LC-39A
End of mission
Landing date 5 September 1984, 13:37:54 (1984-09-05UTC13:37:55Z) UTC
Landing site Edwards Runway 17
Orbital parameters
Reference system Geocentric
Regime Low Earth
Perigee 346 kilometres (187 nmi)
Apogee 354 kilometres (191 nmi)
Inclination 28.5 degrees
Period 90.6 min
Epoch 1 September 1984

Sts-41-d-patch.png STS-41-D crew.jpg
Back row: L-R: Walker, Resnik
Front row L-R: Mullane, Hawley, Hartsfield, Coats


Space Shuttle program
← STS-41-C STS-41-G

Sts-41-d-patch.png STS-41-D crew.jpg
Back row: L-R: Walker, Resnik
Front row L-R: Mullane, Hawley, Hartsfield, Coats

STS-41-D was the 12th flight of NASA's Space Shuttle program, and the first mission of Space Shuttle Discovery. It was launched from Kennedy Space Center, Florida, on 30 August 1984, and landed at Edwards Air Force Base, California, on 5 September. Three commercial communications satellites were deployed into orbit during the six-day mission, and a number of scientific experiments were conducted.

The mission was delayed by more than two months from its original planned launch date, having experienced the Space Shuttle program's first launch abort at T-6 seconds on 26 June 1984.

The launch was originally planned for 25 June 1984, but because of a variety of technical problems, including rollback to the Vehicle Assembly Building to replace a faulty main engine, the launch was delayed by over two months. The 26 June launch attempt marked the first time since Gemini 6A that a manned spacecraft had experienced a shutdown of its engines just prior to launch.

During the 26 June launch attempt, there was a launch abort at T-6 seconds, followed by a pad fire about ten minutes later.


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