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STS-102, Mission
Control Center
Status Report # 23
Monday, March 19, 2001 - 7 a.m. CST
The Space Shuttle
Discovery undocked from the International Space Station at 10:32 p.m.
CST Sunday, leaving the second station crew to get settled in and begin
in earnest the research planned aboard the orbiting laboratory.
The hatches between
the shuttle and station were closed for a final time at 8:32 p.m., about
an hour after departing Expedition One Commander Bill Shepherd passed
responsibility for the station to Expedition Two Commander Yury Usachev.
As the hatches closed, Usachev, and flight engineers Jim Voss and Susan
Helms marked the start of their four-month stay on orbit. The previous
Expedition crew – Shepherd and Cosmonauts Yuri Gidzenko and Sergei
Krikalev – are now headed home on board Discovery.
After the undocking
-- which occurred as the two vehicles flew over Guyana, South America,
and its capital of Georgetown -- Pilot Jim Kelly flew Discovery one-and-a-quarter
turns around the space station before initiating a final steering jet
separation burn at 11:48 p.m. CST. During the flyaround at a distance
of 450 feet the crew recorded television and still images of the station’s
exterior.
The two vehicles
were docked for a total of 8 days, 21 hours, 54 minutes, which brings
the total time shuttles have been docked to the station to 55 days,
23 hours, 7 minutes. The hatches were open for a total of 142 hours,
22 minutes during three periods punctuated by space walk-necessitated
closures.
Over the course
of joint operations between the station and shuttle crews, Discovery
Commander Jim Wetherbee, Kelly and Mission Specialists Andy Thomas and
Paul Richards worked with the station crew unloading almost five tons
of experiments and equipment from the Italian-built Multi-Purpose Logistics
Module, and packing almost one ton of items for return to Earth. Discovery’s
space walkers – Voss and Helms, and Thomas and Richards -- also
set the stage for continued expansion of the station by installing a
platform that will be used to mount a Canadian-built robotic arm to
the station next month.
After undocking,
Discovery’s crew spent the rest of the day exercising, talking
with their families and enjoying some scheduled off-duty time. The shuttle
crew will go to sleep at 8:12 a.m. and awaken at 4:12 p.m., while the
station crew will begin its sleep shift at 3:30 p.m., awakening at midnight.
The next Mission
Control Center status report will be issued early Monday evening.
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