Delta II-launched Mars aerobrake missions

Details Delta II-launched Mars aerobrake missions Delta II-launched Mars aerobrake missions

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jpsc.confr....b&link_type=abstract

AIAA, SAE, ASME, and ASEE, Joint Propulsion Conference, 27th, Sacramento, CA, June 24-26, 1991. 9 p.

Other

Aerobraking, Aerocapture, Mars Probes, Spacecraft Configurations, Trajectory Analysis, Delta Launch Vehicle, Lift Drag Ratio, Low Cost, Mission Planning, Thermal Protection, Unmanned Spacecraft

Scientific paper

The trajectory analysis and preliminary design of a vehicle that can deliver a payload to Mars orbit using the aerocapture technique are presented. The mass of the aeroshell is considerably less than the mass of the fuel that would be needed for a purely propulsive capture. This mass savings makes it possible to use a medium lift launch vehicle such as the Delta II, and the vehicle was designed for a dedicated Delta II launch. The biconic aeroshell is a modification of a shape that is now under study for the MR/SR mission. The baseline trajectory chosen for this analysis is also taken from MR/SR studies, and would place the spacecraft into a 500 km orbit around the planet. The aerothermal and aerodynamic environment are not as severe as an Earth reentry, which allows the use of proven Space Shuttle materials for the thermal protection system. The aeroshell represents about 22 percent of the total spacecraft mass.

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