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

STATUS REPORT: ELV-091809

EXPENDABLE LAUNCH VEHICLE STATUS REPORT

Mission: Space Tracking and Surveillance System - Demonstrators
Program (STSS-Demo)
Launch Vehicle: Delta II 7920-10
Launch Pad: Launch Pad 17-B, Cape Canaveral Air Force Station, Fla.
Launch Date: No earlier than Sept. 23, 2009
Launch Window: 8 - 9 a.m. EDT

To accommodate readiness of the STSS Demo spacecraft, the launch of
the Delta II has been rescheduled for no earlier than Wednesday,
Sept. 23 at 8 a.m. EDT. The launch window is 60 minutes in duration.

Loading of the hypergolic propellants aboard the Delta II second stage
is scheduled for Sept. 20. The mission countdown dress rehearsal will
also be performed that day. The Launch Readiness Review is to be held
on Sept. 21.

On Sept. 22 at 11:30 p.m., the mobile service tower will be pulled
away from the Delta II rocket. On launch day, Sept. 23, the terminal
countdown begins at 5:20 a.m. to start the loading of the RP-1 fuel
and liquid oxygen aboard the Delta II first stage.

At this time there is a 40 percent probability of not meeting the
launch weather criteria during the one hour launch opportunity.



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: 9:10 - 9:23 a.m. EST

At the Astrotech payload processing facility on north Vandenberg, WISE
spacecraft testing continues. This week the Mission Sequence Test and
Operational Readiness Test are under way and will conclude next week.


Build-up of the Delta II at Space Launch Complex 2 is scheduled to
begin on Oct. 19 with hoisting of the first stage into the launcher.



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

With the launch being rescheduled to Feb. 3, 2010 the SDO spacecraft
is in a dwell period at Astrotech. There is no testing or processing
activity currently under way. Spacecraft launch preparations are
currently planned to resume on Sept. 28.



Previous status reports are available at:

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