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1993 s54 TDRS-F.jpg
Endeavour deploys the TDRS-F satellite
Mission typeSatellite deployment
Operator NASA
COSPAR ID 1993-003A
SATCAT no. 22313
Mission duration5 days, 23 hours, 38 minutes, 19 seconds
Distance travelled4,000,000 kilometers (2,500,000 mi)
Orbits completed96
Spacecraft properties
Spacecraft Space Shuttle Endeavour
Landing mass92,988 kilograms (205,003 lb)
Payload mass18,559 kilograms (40,916 lb)
Crew size5
Start of mission
Launch date13 January 1993, 13:59:30 (1993-01-13UTC13:59:30Z) UTC
Launch site Kennedy LC-39B
End of mission
Landing date19 January 1993, 13:37:47 (1993-01-19UTC13:37:48Z) UTC
Landing site Kennedy SLF Runway 33
Orbital parameters
Reference system Geocentric
Regime Low Earth
Perigee altitude 302 kilometres (188 mi)
Apogee altitude 309 kilometres (192 mi)
Inclination 28.45 degrees
Period 90.6 min
Sts-54-patch.png Sts-54 crew.jpg
Left to right: Runco, Casper, McMonagle, Helms, Harbaugh

STS-54 was a Space Transportation System (NASA Space Shuttle) mission using Space Shuttle Endeavour. This was the third flight for Endeavour, and was launched on 13 January 1993.



Position Astronaut
Commander John H. Casper
Second spaceflight
Pilot Donald R. McMonagle
Second spaceflight
Mission Specialist 1 Mario Runco, Jr.
Second spaceflight
Mission Specialist 2 Gregory J. Harbaugh
Second spaceflight
Mission Specialist 3 Susan J. Helms
First spaceflight


Mission highlights

Harbaugh and Runco during the EVA STS-54 Harbaugh carries Runco.jpg
Harbaugh and Runco during the EVA

The primary payload was the fifth TDRS satellite, TDRS-F, which was deployed on day one of the mission. It was later successfully transferred to its proper orbit by the Inertial Upper Stage booster.

Also carried into orbit in the payload bay was a Hitchhiker experiment called the Diffuse X-ray Spectrometer (DXS). This instrument collected data on X-ray radiation from diffuse sources in deep space.

Other middeck payloads to test the effects of microgravity included the Commercial General Bioprocessing Apparatus (CGPA) for-life sciences research; the Chromosome and Plant Cell Division in Space Experiment (CHROMEX) to-study plant growth; the Physiological and Anatomical Rodent Experiment (PARE) to examine the skeletal system and the adaptation of bone to space flight; the Space Acceleration Measurement Equipment (SAMS) to measure and record the microgravity acceleration environment of middeck experiments; and the Solid Surface Combustion Experiment (SSCE) to measure the rate of flame spread and temperature of burning filter paper.

Also, on day five, mission specialists Mario Runco and Gregory J. Harbaugh spent nearly 5 hours in the open cargo bay performing a series of space-walking tasks designed to increase NASA's knowledge of working in space. They tested their abilities to move about freely in the cargo bay, climb into foot restraints without using their hands and simulated carrying large objects in the microgravity environment.

See also

PD-icon.svg This article incorporates  public domain material from websites or documents ofthe National Aeronautics and Space Administration .

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