Mars Global Surveyor 98
From a NASA animation of the orbiter
LAUNCH DATE: December 10, 1998
COST: $187 million plus estimated launch costs of $25
million to $30 million.
OVERVIEWThe Mars Surveyor 98 mission comprises two
spacecraft: the orbiter, launching in December, and the
lander, which is to follow on January 3, 1999. While the
Lander is on Mars' surface, the Orbiter will provide command
and data relay support.
Goals of the lander's three-month science mission include
investigating the planet's climate history and searching for
A NASA depiction of the Mars lander as approaches the Martian
During its two-year mapping phase, the orbiter will perform
systematic daily global sounding and imaging of Mars'
Its payload will include the Pressure Modular Infared
Radiometer and the Mars Color Imager to perform the climatic
and atmospheric imaging and mapping.
The orbiter is scheduled to go into a 400 kilometer orbit
around Mars in September 1999. The orbiter will continue
operations in a relay-only mode following the science mission
in support of any future U.S. or international Mars surface
missions. The Global Surveyor portion of its mission is
scheduled to end on December 1, 2004.
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