Gretchen Cook-Anderson/Dolores Beasley
Jet Propulsion Laboratory, Calif.
George H. Diller
Kennedy Space Center, Fla.
Deep Impact Spacecraft Status Report
NASA's Deep Impact spacecraft is out of safe mode, healthy and on its way to an encounter with comet Tempel 1 on July 4.
Launched from Cape Canaveral Air Force Station on Wednesday, the Deep Impact spacecraft entered a state called "safe mode" soon after entering orbit. When a spacecraft enters safe mode, all but essential spacecraft systems are turned off until it receives new commands from mission control. When Deep Impact separated from the launch vehicle, the spacecraft's computer detected temperatures higher than expected in the propulsion system.
While in the safe mode, the spacecraft successfully executed all mission events associated with commencing space flight operations. Data received from the spacecraft indicate it has deployed and locked its solar panels, is receiving power and has achieved proper orientation in space.
"We are out of safe mode and proceeding with in-flight operations," said Deep Impact project manager Rick Grammier of NASA's Jet Propulsion Laboratory. "We're back on a nominal timeline and look forward to our encounter with comet Tempel 1 this summer."
Deep Impact consists of two parts: a "fly-by" spacecraft and a smaller "impactor." The impactor will be released into the comet's path for a planned collision on July 4. The crater produced by the impactor may as large as a football stadium and two to 14 stories deep. Ice and dust debris will be ejected from the crater, revealing the material beneath.
The fly-by spacecraft will observe the effects of the collision. NASA's Hubble, Spitzer and Chandra space telescopes, along with other telescopes on Earth, will also observe the collision.
Comets are time capsules that hold clues about the formation and evolution of the Solar System. They are composed of ice, gas and dust, primitive debris from the Solar System's distant and coldest regions that formed 4.5 billion years ago.
The management of the Deep Impact launch was the responsibility of NASA's Kennedy Space Center in Florida. Deep Impact was launched from Pad 17-B at Cape Canaveral Air Force Station. Delta II launch service was provided by Boeing Expendable Launch Systems of Huntington Beach, Calif. The spacecraft was built for NASA by Ball Aerospace and Technologies Corporation in Boulder, Colo. Deep Impact project management is overseen by JPL.
For more information about the mission on the Web, visit:
http://www.nasa.gov/deepimpact or http://deepimpact.jpl.nasa.gov/
For information about NASA and other Agency programs on the Web, visit:
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