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NASA's Stardust Spacecraft Placed Into Hibernation Mode

Date:
February 1, 2006
Source:
NASA/Jet Propulsion Laboratory
Summary:
NASA's Stardust spacecraft was placed into hibernation mode this past Sunday (Jan. 29). Stardust successfully returned to Earth samples of a comet via its sample return capsule on Jan. 15. The spacecraft has logged almost seven years of flight.

Artist concept of Stardust.
Credit: Image courtesy of NASA/Jet Propulsion Laboratory

NASA's Stardust spacecraft was placed into hibernation mode this past Sunday (Jan. 29). Stardust successfully returned to Earth samples of a comet via its sample return capsule on Jan. 15. The spacecraft has logged almost seven years of flight.

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"We sang our spacecraft to sleep today with a melody of digital ones and zeros," said Tom Duxbury, Stardust project manager at NASA's Jet Propulsion Laboratory, Pasadena, Calif. "Stardust has performed flawlessly these last seven years and 2.88 billion miles and deserves a rest for a while, like the rest of the team."

The "song" was actually a series of commands that was sent up to the spacecraft yesterday, Jan. 29 at 4 p.m. Pacific time (7 p.m. Eastern time). The commands deactivated all but a few essential systems, such as Stardust's solar arrays and receive antenna - which will remain powered on. This long-term hibernation state could allow for almost indefinite (tens of years) out-of-contact operations while maintaining the spacecraft health.

"Placing Stardust in hibernation gives us options to possibly reuse it in the future," said Dr. Tom Morgan, Stardust Program Executive at NASA Headquarters, Washington. "The mission has already been a great success, but if at all possible we may want to add even more scientific dividends to this remarkable mission's record of achievement."

The Stardust spacecraft is currently in an orbit that travels from a little closer to the Sun than that of the Earth to well beyond the orbit of Mars. It will next fly past Earth on January 14, 2009, at a distance of about 1 million kilometers (621,300 miles).

NASA's Stardust sample return mission successfully concluded its prime mission on Jan. 15, 2006, when its sample return capsule carrying cometary and interstellar particles successfully touched down at 2:10 a.m. Pacific time (3:10 a.m. Mountain time) in the desert salt flats of the Utah Test and Training Range.

Stardust scientists at NASA's Johnson Space Center in Houston are currently analyzing what could be considered a treasure-trove of cometary and interstellar dust samples that exceeded their grandest expectations. Scientists believe these precious samples will help provide answers to fundamental questions about comets and the origins of the solar system.

NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the Stardust mission for NASA's Science Mission Directorate, Washington. Lockheed Martin Space Systems, Denver, developed and operated the spacecraft.

For information about the Stardust mission on the Web, visit www.nasa.gov/stardust. For information about NASA and agency programs on the Web, visit http://www.nasa.gov/home .


Story Source:

The above story is based on materials provided by NASA/Jet Propulsion Laboratory. Note: Materials may be edited for content and length.


Cite This Page:

NASA/Jet Propulsion Laboratory. "NASA's Stardust Spacecraft Placed Into Hibernation Mode." ScienceDaily. ScienceDaily, 1 February 2006. <www.sciencedaily.com/releases/2006/02/060201232040.htm>.
NASA/Jet Propulsion Laboratory. (2006, February 1). NASA's Stardust Spacecraft Placed Into Hibernation Mode. ScienceDaily. Retrieved November 28, 2014 from www.sciencedaily.com/releases/2006/02/060201232040.htm
NASA/Jet Propulsion Laboratory. "NASA's Stardust Spacecraft Placed Into Hibernation Mode." ScienceDaily. www.sciencedaily.com/releases/2006/02/060201232040.htm (accessed November 28, 2014).

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