Re: Why can't Soyuz dock while a shuttle is present?

The main ossue that I've been told about
is ISS crew attention. They need to devote
100% of their time to Soyuz since they are
performing a crew handover.

Also, the two visiting crews are on different
time zones and the ISS crew must sleep shift
between them to get in chrono-sync.



"Jordan Hazen" <jnh@xxxxxxx> wrote in message
news:1156750371.296932@xxxxxxxxxxxxxxxxxxxxx
Quoting http://spaceflightnow.com/shuttle/sts115/060827postmmt/ --

"As it now stands, Atlantis must launch by Sept. 7 to complete its
docked mission and depart before arrival of the Soyuz."

What's the rationale behind this constraint? Orientation or thermal
issues, perhaps, or insufficient life support on ISS to accomodate
visiting Soyuz and shuttle crews at the same time? Something else?

Just curious... another source also mentioned a mandatory 1-day interval
between shuttle undock and Soyuz arrival, but didn't explain the reason.
--
Jordan.


.

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