Nov 6, 2009

George H Diller Kennedy Space Center, Fla 321-867-2468 george h diller@nasa gov

STATUS REPORT: ELV-110609

EXPENDABLE LAUNCH VEHICLE STATUS REPORT

Spacecraft: Wide-field Infrared Survey Explorer (WISE) Launch Vehicle: Delta II 7320 Launch Pad: SLC-2, Vandenberg Air Force Base, Calif Launch Date: Dec 7, 2009 Launch Window: 6:10 - 6:23 a m PST

Testing has been conducted successfully on the Tracking & Data Relay Satellite transmitter that will be used on the rocket It will relay vehicle data to the ground during the launch and will be evaluated for possible use on future Delta II missions from Vandenberg Second stage propellant system qualification testing has been completed Three days of guidance and control system checks are currently under way The Delta II flight simulation is currently scheduled for Nov 11 The first stage will be loaded with liquid oxygen on Nov 12 for leak checks and associated testing

At the Astrotech payload processing facility on north Vandenberg, work continues to load and then freeze the cryogenic hydrogen This activity is approximately 60 percent complete and will continue for about another week This will be used to supercool the infrared telescope during its six months of observations There then will be one final week of spacecraft testing before work begins to prepare WISE to move to the launch pad for integration with the Delta II

Spacecraft: Solar Dynamics Observatory (SDO) Launch Vehicle: Atlas V-401 Launch Pad: Launch Complex 41, Cape Canaveral Air Force Station, Fla Launch Date: Feb 3, 2010 Launch Window: 10:53 - 11:53 a m EST

Prelaunch testing is nearing completion that leads to the milestone of fueling the spacecraft in early January As an outcome of electrical testing, the SDO test team currently is doing analysis of the spacecraft grounding system

The Atlas rocket first-stage booster arrived by air at Cape Canaveral Air Force Station on Oct 26 The Centaur upper stage is now scheduled to arrive in the late afternoon or early evening on Nov 16 and be offloaded the following morning on Nov 17

Previous status reports are available at:

http://www nasa gov/centers/kennedy/launchingrockets/status/index html

-end-

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