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Expendable Launch Vehicle Status Report
Expendable Launch Vehicle Status Report
22 Apr 2011
(Source: NASA/KSC)

Spacecraft: Aquarius
Launch Vehicle: Delta II 7320
Launch Site: Vandenberg Air Force Base, Calif.
Launch Pad: Space Launch Complex 2
Launch Date: June 9, 2011
Launch Window: 7:20:13 - 7:25:13 a.m. PDT
Altitude/Inclination: 408.2 statute miles/98 degrees

At Vandenberg Air Force Base, the Aquarius/SAC-D spacecraft has completed end-to-end communications system testing. The objective of the test was to verify that the Mission Operations Center, located in Cordoba, Argentina, could conduct control and monitoring of the spacecraft, including the capability to command the Aquarius primary science instrument. The Limited Performance Tests including the SAC-D service platform, the Aquarius science instrument, and the SAC-D instruments were all successfully completed last week.

At NASA's Space Launch Complex 2, customary prelaunch testing of the Delta II first and second stage propulsion systems continues and is going well.

The Aquarius/SAC-D mission is a collaboration between NASA and Argentina's space agency with participation by Brazil, Canada, France and Italy. NASA's Launch Services Program at the Kennedy Space Center in Florida is managing the launch. United Launch Alliance of Denver, Colo., is NASA's launch service provider of the Delta II 7320.

Spacecraft: Juno
Launch Vehicle: Atlas V 551
Launch Site: Cape Canaveral Air Force Station, Fla.
Launch Pad: Complex 41
Launch Date: Aug. 5, 2011
Launch Time: 11:40 a.m. EDT

Testing of the science instruments is under way. Antenna installations, including the high gain antenna, began April 20. Communications system end-to-end testing with the Deep Space Network and its associated tracking stations is scheduled to begin late next week.

The Atlas and Centaur stages of the Atlas V rocket are scheduled to arrive at Cape Canaveral Air Force Station the second week of May.

The solar-powered Juno spacecraft will orbit Jupiter's poles 33 times to find out more about the gas giant's origins, structure, atmosphere and magnetosphere.

Spacecraft: GRAIL (Gravity Recovery And Interior Laboratory)
Launch Vehicle: Delta II Heavy
Launch Site: Cape Canaveral Air Force Station, Fla.
Launch Pad: 17-B
Launch Date: Sept. 8, 2011
Launch Time: 8:35:52 a.m. EDT and 9:14:35 a.m. EDT

The Delta II first stage was hoisted into the launcher at Pad 17-B on April 7. Tentatively planned for next week, the nine solid rocket boosters will be lifted and attached to the first stage in sets of three. The second stage is currently scheduled to be hoisted atop the first stage on May 10.

Previous status reports are available at:

George H. Diller
Kennedy Space Center, Fla.


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Last Updated: 26 Apr 2011