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STS-41-C post flight presentation, narrated by the astronauts (19 minutes). STS-41-C launched successfully at 8:58 a.m. EST on April 6, 1984. The mission marked the first direct ascent trajectory for the Space Shuttle; Challenger reached its 533 km (331 mi) - high orbit using its Orbiter Maneuvering System (OMS) engines only once, to ...
It was first tested on February 7 during mission STS-41-B by astronauts Bruce McCandless II and Robert L. Stewart. Two months later, during mission STS-41-C , astronauts James van Hoften and George Nelson attempted to use the MMU to capture the Solar Maximum Mission satellite and to bring it into the orbiter's payload bay for repairs and servicing.
STS-41 launches from Kennedy Space Center, on October 6, 1990. Ulysses after deployment. Discovery lifted off on October 6 1990 at 7:47:16 a.m. EDT. Liftoff occurred 12 minutes after a two-and-a-half-hour launch window opened that day at 7:35 a.m. EDT. STS-41 featured the heaviest payload to date; Discovery weighed 117,749 kg (259,592 lb). [2]
This control system carried out the usual attitude control along the pitch, roll, and yaw axes during all of the flight phases of launching, orbiting, and re-entry. This system also executed any needed orbital maneuvers, including all changes in the orbit's altitude, orbital plane , and eccentricity .
The codes were adopted from STS-41-B through STS-51-L (although the highest code used was actually STS-61-C), and the sequential numbers were used internally at NASA on all processing paperwork. After the Challenger disaster, NASA returned to using a sequential numbering system, with the number counting from the beginning of the STS program ...
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TOS with ACTS, seen from STS-51 The planned trajectory of Mars Observer in this diagram also illustrates the purpose of the Transfer Orbit Stage. After the Commercial Titan III had transported on its upper stage the TOS and satellite into low Earth orbit, the fairing separated and the Transfer Orbit Stage accelerated the satellite in the direction of Mars.
An orbit near the craft's planned orbit was established, and the mission continued despite the abort to a lower orbit. [7] [8] The Mission Control Center at Johnson Space Center observed an SSME failure and called "Challenger-Houston, abort ATO." The engine failure was later determined to be an inadvertent engine shutdown caused by faulty ...