Spaceflight Now | Destination Mars | NASA has Mars missions planned through decade

NASA has Mars missions planned through decade
BY WILLIAM HARWOOD
SPACEFLIGHT NOW
Posted: May 29, 2003

MRO
An artist's concept of Mars Reconnaissance Orbiter. Photo: NASA/JPL

The Mars Exploration Rovers represent the next step in an ambitious, on-going program to explore the Red Planet, to map out its structure, composition and meteorology and to determine whether it ever harbored life.

NASA plans to follow the 2003 rover missions with launch of the Mars Reconnaissance Orbiter in August 2005, a 1,900-kilogram (4,200-pound) spacecraft loaded with nine state-of-the-art instruments and cameras that are "truly an order of magnitude beyond that which we've done with Odyssey and MGS," said James Garvin, NASA's chief Mars scientist.

In 2007, NASA will launch a so-called Scout mission. Four such missions currently are under consideration: A lander built with spare parts left over from the scrapped 2001 mission; a rocket-powered airplane; an orbiter to look for trace gases in the atmosphere that are indicative of biological processes; and a mission to bring a sample of the martian atmosphere back to Earth for detailed analysis.

An artist's concept of SCIM. The mission would collect millions of dust particles and about a quart of atmospheric gas from Mars during a fast flythrough of the martian atmosphere for return to Earth. Credit: University of Arizona

In 2009, NASA hopes to launch the Mars Science Laboratory, a large nuclear-powered rover that will "carry with it the most sophisticated, carbon-sniffing gear invented by humans," Garvin said. The MSL would operate for a year or more.

"We believe there is missing carbon and once we understand it, what it's like, where it came from, we'll understand more about the possibilities of life, or at least of there having been life on Mars at at least one extremely high priority site."

Following the 2009 launch, NASA will either press ahead with a sample return mission or additional missions to further refine potential landing sites. Ultimately, Garvin hopes, humans will follow.

"We think we have a hell of a program," Garvin said. "It's going to be exciting. I think we're going to find some remarkable stuff."

Flight Data File
Vehicle: Delta 2 (7925)
Payload: NASA's Mars Exploration Rover-A
Launch date: June 10, 2003
Launch time: 1:58:47 p.m. EDT (1758:47 GMT)
Launch site: SLC-17A, Cape Canaveral, Florida
Satellite broadcast: AMC 2, Transponder 9, C-band

Pre-launch briefing

Mission preview - Our story examining the Mars Exploration Rover project.

Launch windows - A chart listing the daily launch times for MER-A.

Launch timeline No. 1 - Chart with times and descriptions of events to occur during the launch if the first daily opportunity is used.

Launch timeline No. 2 - Chart with times and descriptions of events to occur during the launch if the second daily opportunity is used.

Launch hazard area - A map of the restricted area during liftoff.

Ground track - See the trajectory the rocket will follow during its flight.

Getting to Mars - Our story previewing the rovers' descent and landing to the Martian surface.

MER spacecraft - A technical look at the parts and pieces of the Mars Exploration Rover spacecraft.

Mission science - A look at the science instruments and objectives for the Mars rovers.

Future exploration - Our story looking at NASA's plans for Mars missions through the decade.

Delta 2 rocket - Overview of the Delta 2 Heavy-model rocket used in this launch.

SLC-17 - The launch complex where Delta rockets fly from Cape Canaveral.

Delta directory - See our coverage of previous Delta rocket flights.

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