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STS-104, Mission Control Center
Status Report # 22
Sunday, July 22, 2001 - 6 p.m. CDT
Atlantis crewmembers,
Commander Steve Lindsey, Pilot Charlie Hobaugh and Mission Specialists
Janet Kavandi, Mike Gernhardt and Jim Reilly, will spend their day preparing
the spacecraft for its return to Earth Monday night.
Lindsey and Hobaugh
will do a test firing of the reaction control system jets that will
be used to maneuver Atlantis as it begins to re-enter the Earth's atmosphere.
The pair also will check out the orbiter's flight control surfaces that
will be used to maneuver Atlantis when it reaches the lower portions
of the atmosphere. Finally, they will test Atlantis' communications
systems.
Kavandi, Gernhardt
and Reilly will put away some of the equipment they used during their
eight days docked to the International Space Station. They also will
stow some of the 2,550 pounds of equipment they are bringing home from
the station. Atlantis is almost 100 statute miles ahead of the space
station and increasing the separation by almost nine miles per 90-minute
orbit.
Atlantis is scheduled
to land at Kennedy Space Center in Florida on Monday at 11:37 p.m. CDT.
Another landing opportunity is available on the subsequent orbit, which
would see Atlantis touch down at 1:13 a.m. Tuesday. Though the outlook
was improving, forecasts for landing time still carried the possibility
of clouds and rain.
During the afternoon,
Russian flight controllers performed the first two firings of thrusters
of the Progress resupply vehicle docked at the rear of the station's
Service Module. These burns and three subsequent firings of the Progress
thrusters this week will adjust the inclination of the station's orbit.
The slight adjustment is being made to prepare for arrival of Discovery
on the STS-105 mission and the next Progress, both in August, and the
launch of the Russian Docking Compartment in September. The Atlantis
crew was awakened at 4:36 p.m. Sunday by the song "Orinoco Flow"
sung by Enya. The song was played for Mike Gernhardt. All systems aboard
Atlantis continue to function normally as the spacecraft orbits the
Earth at an average altitude of 240 statute miles.
The next mission
status report will be issued about 6 a.m. Monday or as events warrant.
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