Oct 17, 2008

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

STATUS REPORT: ELV-101708

EXPENDABLE LAUNCH VEHICLE STATUS REPORT

Mission: IBEX (Interstellar Boundary Explorer) Launch Vehicle: Pegasus XL (Orbital Sciences) Launch Facility: Reagan Test Site, Kwajalein Pacific Atoll Launch Date: Oct 19, 2008 Launch Time: 1:44 p m - 1:52 p m EDT (05:44 a m - 05:52 a m local Kwajalein time on Oct 20)

After mating to the Orbital Sciences L-1011 carrier aircraft on Oct 6, the aircraft carrying the Pegasus XL rocket with IBEX departed Vandenberg Air Force Base Oct 11

After an overnight stop at Hickam Air Force Base in Hawaii, the ferry flight continued and arrived at the Reagan Test Site at Kwajalein Atoll in the South Pacific Oct 12 The following day, an IBEX spacecraft state of health check was performed without problems

A Combined Systems Test to verify the status of the integrated Pegasus/IBEX with the L-1011 and data communications interfaces with the Reagan Test Site was done on Oct 15 A launch countdown dress rehearsal was successfully conducted on Oct 16 Wheels-up from Kwajalein for the launch is scheduled for 12:50 p m on Oct 19 Pegasus deployment from the L-1011 carrier aircraft is targeted to occur within the eight-minute launch window at 1:48 p m

Previous status reports are available at:

http://www nasa gov/centers/kennedy/launchingrockets/status/2008

-end-

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