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This artist's montage shows NASA's Phoenix spacecraft en route to and landing on Mars. Image credit: NASA/JPL-Calech/University of Arizona
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Phoenix Lander Update: No Saturday Night Maneuver
May 24, 2008

Mission controllers for NASA's Phoenix Mars Lander decided Saturday afternoon, May 24, to forgo the second-to-last opportunity for adjusting the spacecraft's flight path.

Phoenix is so well on course for its Sunday-evening landing on an arctic Martian plain that the team decided it was not necessary to do a trajectory correction 21 hours before landing.

However, the team left open the option of a correction maneuver eight hours before landing, if warranted by updated navigational information expected in the intervening hours.

Sunday at 4:53 p.m. Pacific Time is the first possible time for confirmation that Phoenix has landed. The landing would have happened 15 minutes earlier on Mars, but the radio signals take 15 minutes to travel from Mars to Earth at the distance separating the two planets today.

The following was posted Saturday, May 24 at 1 p.m.PDT.

Highlights from Phoenix News Briefing at JPL -- Sat., May 24, Noon PDT

- A decision will be made this afternoon, Sat., May 24, about whether to perform one more trajectory correction maneuver later tonight.

- A dust cloud that NASA's Mars Reconnaissance Orbiter has been tracking is moving across the landing area today. It is not expected to pose any hazard to the landing.

- As of noon PDT today, Phoenix had 1.28 million miles left to travel out of its 422-million-mile flight from Earth to Mars.

You can also follow landing events on the Phoenix landing blog at www.nasa.gov/phoenixblog .






Media contacts: Media contacts: Guy Webster 818-354-6278
Jet Propulsion Laboratory, Pasadena, Calif.
guy.webster@jpl.nasa.gov

Dwayne Brown 202-358-1726
NASA Headquarters, Washington
dwayne.c.brown@nasa.gov

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Related Links
› NASA Phoenix site

› University of Arizona Phoenix site

› JPL on Facebook and Twitter

› Landing Press Kit (3Mb - PDF)

› Launch Press Kit (6.5Mb - PDF)

› Mission Fact Sheet (244Kb - PDF)

› NASA Mars Exploration site

› NASA/JPL Landing Blog

Other Missions at Mars
› Mars Exploration Rovers

› JPL's Rover News and Image

› Mars Reconnaissance Orbiter

› Mars Odyssey

› Mars Express

 
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