[meteorite-list] Mars Rover Opportunity Mission Status - July 9, 2003

From: Ron Baalke <baalke_at_meteoritecentral.com>
Date: Thu Apr 22 10:21:01 2004
Message-ID: <200307100115.SAA18200_at_zagami.jpl.nasa.gov>

MEDIA RELATIONS OFFICE
JET PROPULSION LABORATORY
CALIFORNIA INSTITUTE OF TECHNOLOGY
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
PASADENA, CALIF. 91109. TELEPHONE (818) 354-5011
http://www.jpl.nasa.gov

Guy Webster (818) 354-6278
Jet Propulsion Laboratory, Pasadena, Calif.

Donald Savage (202) 358-1547
NASA Headquarters, Washington, D.C.

News Release: 2003-096
                
July 9, 2003

Mars Rover Opportunity Mission Status

NASA's Opportunity spacecraft, the second of twin Mars Exploration
Rovers, has successfully reduced its spin rate as planned and switched
to celestial navigation using a star scanner.

Prior to today's maneuver, Opportunity was spinning 12.13 rotations
per minute. Onboard thrusters were used to reduce the spin rate to
approximately 2 rotations per minute, the designed rate for the cruise
to Mars. After the spinning slowed, Opportunity's star scanner found
stars that are being used as reference points for spacecraft attitude.
One of the bright points in the star scanner's first field of view was
Mars.

All systems on the spacecraft are in good health. As of 6 a.m. Pacific
Daylight Time July 10, Opportunity will have traveled 6.6 million
kilometers (4.1 million miles) since its July 7 launch. The Mars
Exploration Rover flight team at NASA's Jet Propulsion Laboratory,
Pasadena, Calif., is preparing to command Opportunity's first
trajectory-correction maneuver, scheduled for July 18.

Opportunity will arrive at Mars on Jan. 25, 2004, Universal Time
(evening of Jan. 24, 2004, Eastern and Pacific times). The rover will
examine its landing area in Mars' Meridiani Planum area for geological
evidence about the history of water on Mars.

Opportunity's twin, Spirit, also continues in good health on its
cruise to Mars. As of 6 a.m. Pacific Daylight Time July 10, it will
have traveled 82.6 million kilometers (51.3 million miles) since its
June 10 launch.

JPL, a division of the California Institute of Technology, manages the
Mars Exploration Rover project for NASA's Office of Space Science,
Washington, D.C. Additional information about the project is
available from JPL at

http://mars.jpl.nasa.gov/mer

and from Cornell University, Ithaca, N.Y.,

at http://athena.cornell.edu

-end-
Received on Wed 09 Jul 2003 09:15:04 PM PDT


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