ocr: O Mars Global Surveyor Project CURRENT SPACE PROGRAMS MGS Spacecraft In Mapping Configuration Propellant Mass: 595 380 kg kg High-Gain Antenna Payload Mass: 75 kg Main Engine Total Mass: 1,050 kg Solar Array (2,315 Ibs) MGDS diagram Propulsion Module Drag Flap Drag Flap Payload: Electron Reflectometer Module Equipment Magnetometer si--n arbiter Camera aser Altimeter Solar Array Science Payload System pectrometer nict MARS BETAT