NASA Mars Pathfinder Facts

Lander

• Spacecraft dimensions: Tetrahedron, three sides and base, standing 3 feet (0.9 meter) tall
• Weight: 1,962 pounds (890 kilograms) dry; 2,062 pounds (990 kilograms) with fuel
• Science instruments: imager; magnets for measuring magnetic properties of soil; wind sock; atmospheric structure instrument/meteorology package.
• Launch date: December 2, 1996; period continues through December 31, 1996 Mars arrival date: July 4, 1997
• Primary mission: 30 days

Rover

• Rover dimensions: 2 feet (65 cm) long by 1.5 feet (48 cm) wide by 1 foot (30 cm) tall
• Weight: 22 pounds (10 kilograms)
• Science instruments: alpha proton x-ray spectrometer; 3 cameras; also technology experiments
• Primary mission: 7 days