Mathematics – Logic
Scientific paper
Jan 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996eiaf.conf...34v&link_type=abstract
Workshop on Evolution of Igneous Asteroids: Focus on Vesta and the HED Meterorites, p. 34
Mathematics
Logic
Flyby Missions, Gravitational Fields, Mineralogy, Vesta Asteroid, Near Earth Asteroid Rendezvous Mission, Achondrites, Gamma Ray Spectrometers, Geochemistry, X Ray Spectroscopy, Basalt
Scientific paper
MASTER (Mainbelt Asteroid Exploration/Rendezvous), a Discovery-class orbiter, will carry out a global geological and geochemical survey of Vesta. Primary goals include determining Vesta's mean density and interior structure through detailed mapping of the gravity field, imaging surface morphology at 3-m resolution, mapping mineralogy between 0.4 and 2.5 microns, and determining abundances of key elements through X-ray and gamma-ray spectroscopy. Spectroscopic evidence indicates the presence of basaltic lava flows on Vesta and suggests that impact basins may have exposed mantle materials. These possibilities, combined with the likelihood that Vesta is the ultimate source of HED meteorites, makes this asteroid an important target for a comprehensive orbiter mission. MASTER's global survey, combined with ongoing studies of HED meteorites, will be a major step in understanding the chemical, thermal, and geological evolution of Vesta. A particularly attractive opportunity involves a launch in June 2003 with arrival at Vesta in November 2009. The orbital phase of the mission is scheduled to last one year. A flyby of another mainbelt asteroid enroute to Vesta may be possible.
Adams G. L.
Binzel Richard P.
Brown Harvey R.
Carpenter David
Evans Larry
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