Expendable Launch Vehicle Status Report
The countdown for the launch of an Air Force Titan IV rocket carrying NASA's Cassini spacecraft and the European Space Agency's Huygens probe resumed this morning at 2:43 a.m. The weather forecast is generally favorable for tonight's launch attempt and technical issues surrounding Monday's countdown have been resolved.
The mobile service tower is scheduled to be retracted from around the rocket at 9:38 p.m. Loading of the Titan IV's Centaur stage with liquid hydrogen and liquid oxygen propellants will begin at approximately 1:30 a.m. on Wednesday morning. The launch window tomorrow extends from 4:43 a.m. to 7:03 a.m. EDT.
During the window there is a 20 percent chance of not meeting the launch weather criteria. The temperature will be near 78 degrees, relative humidity 93 percent, winds from the east at 13-17 knots and the visibility will be 7 miles or greater. Clouds will be scattered with a chance for an occasional rain shower to pass rapidly through the area. Today, gradually diminishing upper-level wind speeds have been observed, a trend that is expected to continue.
NASA Television will begin video coverage of the Cassini launch at 2:30 a.m. Launch commentary will begin at 2:45 a.m. A post-launch news conference will be held at approximately launch plus two hours.
Status reports are available at: http://www.nasa.gov/centers/kennedy/launchingrockets/status/index.html
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