IBEX status update

Aug. 15, 2008

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

STATUS REPORT: ELV-081508

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. 5, 2008
Launch Window: 12:42 p.m. - 12:45 p.m. EDT
(04:42 a.m. - 04:45 a.m. local Kwajalein time)

At Vandenberg Air Force Base, Calif., the IBEX spacecraft was fueled
with hydrazine control propellant on Aug. 12. This was followed by
spacecraft spin balancing on Aug. 14. Friday, IBEX is scheduled to be
attached to the upper stage booster. Technicians will then perform a
final spin-balance test of the entire flight stack on Aug. 16. After
de-integration, the upper stage will be transported to the Pegasus
launch vehicle hangar on Aug. 19. The IBEX spacecraft will be moved
there on Aug. 20.

At the Orbital Sciences launch vehicle hangar, prelaunch processing
of
the Pegasus XL rocket continues to occur on schedule. Mating of the
first and second stages was completed yesterday. Attachment of the
second and third stages was done on Aug. 12.

The L-1011 aircraft carrying the Pegasus XL rocket with IBEX
currently
is planned to depart from Vandenberg on Sept. 25. After a stop in
Hawaii, the flight will continue and arrive at the Reagan Test Site
at Kwajalein Atoll in the south Pacific on Sept. 26.

For information about IBEX and its mission, visit:

http://www.nasa.gov/ibex

Previous status reports are available at:

-end-

Un aggionamento sulla data di lancio prevista:
NET 10 Ottobre 2008.