Sept 12, 2011

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

STATUS REPORT: ELV-091211

EXPENDABLE LAUNCH VEHICLE STATUS REPORT

Spacecraft: GRAIL (Gravity Recovery and Interior Laboratory) Launch Vehicle: Delta II 7920 Heavy Launch Site: Cape Canaveral Air Force Station, Fla Launch Pad: Space Launch Complex 17B Launch Date: Sept 10, 2011

Atop the Delta II rocket, GRAIL was launched successfully from Pad 17B on Sept 10 at 9:08:52 a m After GRAIL-A and GRAIL-B separated from the Delta II's second stage, the Deep Space Network's Goldstone tracking station acquired them as planned It verified that solar arrays were deployed and both GRAIL spacecraft were operating normally

GRAIL's primary science objectives are to determine the structure of the lunar interior, from crust to core, and to advance understanding of the thermal evolution of the moon

Spacecraft: NPP (NPOESS Preparatory Project) Launch Vehicle: Delta II 7920 Launch Site: Vandenberg Air Force Base, Calif Launch Pad: Space Launch Complex 2 Launch Date: Oct 25, 2011 Launch Window: 2:48:01 a m - 2:57:11 a m PDT (9 min , 10 sec ) Orbital Altitude: 512 miles

At Vandenberg Air Force Base, the NPOESS Preparatory Project (NPP) spacecraft has completed the Spacecraft Limited Performance Test A Spacecraft Launch Simulation also has been completed Instrument testing now is under way, and propulsion system testing also is occurring this week

With the successful launch of GRAIL at Cape Canaveral, United Launch Alliance team members will be returning to Vandenberg to resume testing of the Delta II for the NPP mission at NASA's Space Launch Complex 2

NPP represents a critical first step in building the next-generation of Earth-observing satellites NPP will carry the first of the new sensors developed for this satellite fleet, now known as the Joint Polar Satellite System (JPSS) to be launched in 2016 NPP is the bridge between NASA's Earth Observing System (EOS) satellites and the forthcoming series of JPSS satellites The mission will test key technologies and instruments for the JPSS missions

Spacecraft: Mars Science Laboratory (Curiosity) Launch Vehicle: Atlas V-541 (AV-028) Launch Site: Cape Canaveral Air Force Station, Fla Launch Pad: Space Launch Complex 41 Launch Date: Nov 25, 2011 Launch Time: 10:21 a m EST

The Atlas first stage booster for the Atlas V rocket was transported to Launch Complex 41 on Sept 8 and hoisted inside the Vertical Integration Facility The solid rocket boosters are being attached this week This is an Atlas V-541 configuration that will have four solid rocket boosters attached Sept 12-15

The Centaur upper stage will be moved to the launch complex and hoisted atop the Atlas on Sept 20

At the Payload Hazardous Servicing Facility located at Kennedy Space Center, testing and prelaunch preparations for the Curiosity rover and the associated Mars Science Laboratory flight hardware continue

The rover's 10 science instruments will search for signs of life, including methane, and help determine if the gas is from a biological or geological source The unique rover will use a laser to look inside rocks and release the gasses so that its spectrometer can analyze and send the data back to Earth

Previous status reports are available at:

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

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