2001 Mars Odyssey

Dimensions: Main structure 2.2 meters (7.2 feet) long, 1.7 meters (5.6 feet) tall and 2.6 meters (8.5 feet) wide; wingspan of solar array 5.7-meter (18.7-feet) tip to tip

Weight: 725 kilograms (1,598.4 pounds) total, composed of 331.8-kilogram (731.5-pound) dry spacecraft, 348.7 kilograms (768.8 pounds) of fuel and 44.5 kilograms (98.1 pounds) of science instruments

Science instruments: Thermal emission imaging system, gamma ray spectrometer, Martianradiation environment experiment

Power: Solar array providing up to 1,500 watts just after launch, 750 watts at Mars

Launch Vehicle

Type: Delta II 7925

Weight: 230,983 kg (509,232 lbs)

Mission

Launch window: April 7 to April 27, 2001
Earth-Mars distance at launch: 125 million km (77.5 million miles)
Total distance traveled Earth to Mars: 460 million kilometers (286 million miles)
Mars arrival date: October 24, 2001
Earth-Mars distance at arrival: 150 million kilometers (93 million miles)
One-way speed of light time Mars-to-Earth at arrival: 8 minutes, 30 seconds
Primary science mapping period: January 2002 -July 2004

Program Cost:

$297 million total for 2001 Mars Odyssey

$165 million spacecraft development and science instruments

$53 million launch

$79 million mission operations and science processing