Correction: Expendable Launch Vehicle Status Report

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Jan. 8, 2010

George H. Diller
Kennedy Space Center, Fla.



Spacecraft: Solar Dynamics Observatory (SDO)
Launch Vehicle: Atlas V-401
Launch Pad: Complex 41, Cape Canaveral Air Force Station
Launch Date:  Feb. 9, 2010
Launch Window: 10:30 - 11:30 a.m. EST 

The mating of the Centaur stage to the Atlas was delayed several days 
before the holiday break by high wind causing more time to be 
consumed than the contingency days which were available. As a result, 
the launch of the Solar Dynamics Observatory is being rescheduled to 
Feb. 9 if Space Shuttle Endeavour launches as planned on Feb. 7. 
Current processing continues to go well for both the Atlas V and for 

At Launch Complex 41, integrated testing of the Atlas and Centaur 
stages of the Atlas V is continuing. On Jan. 20, the launch vehicle 
will be transported from the Vertical Integration Facility to the 
launch pad in preparation for the wet countdown dress rehearsal to be 
conducted later that day. This will be a full countdown launch 
vehicle test exercise with the entire launch team and the rocket 
fully fueled with liquid hydrogen, liquid oxygen, and RP-1. The 
payload does not participate in this test.

At the Astrotech payload processing facility, fueling operations are 
under way this week. Oxidizer was loaded into the spacecraft on Jan. 
5, and fuel is being loaded aboard today. The Atlas V fairing is 
currently scheduled to be installed around the SDO spacecraft on Jan. 
21, and then transported to Complex 41 for hoisting atop the Atlas V 
on or about Jan. 26. 

Spacecraft: Geostationary Operational Environmental Satellite (GOES-P)
Launch Vehicle: Delta IV
Launch Pad:  Complex 37, Cape Canaveral Air Force Station
Launch Date: No Earlier Than Feb. 25, 2010

While most of the spacecraft was uncovered prior to the holidays, 
uncovering of the individual spacecraft instruments and subsystems is 
under way today. Associated testing is beginning. Testing of the 
spacecraft bus has been completed. The full testing of the satellite 
takes approximately six weeks and involves the imaging system, 
instrumentation, communications and power systems. Next, the 
satellite will be fueled with the propellant necessary for orbit 
maneuvers and the attitude control system. Once this is completed, 
the spacecraft will be encapsulated in the Delta IV payload fairing 
in preparation for transport to the launch pad and hoisted atop the 

On Jan. 5 work began to mate the second stage of the Delta IV with the 
first stage in the Horizontal Integration Facility located at Complex 
37. On Jan. 12, the rocket will be transported to the launch pad. It 
will be installed into the launcher on Jan. 13. The first of two 
solid rocket boosters will be attached on Jan. 14, and the second 
booster the following day on Jan. 15.

GOES-P, to be launched for NASA and NOAA, is a United Launch Alliance 
commercial launch under a Federal Aviation Administration license. 

Previous status reports are available at: 


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