Stardust dynamic science at comet 81P/Wild 2

Details Stardust dynamic science at comet 81P/Wild 2 Stardust dynamic science at comet 81P/Wild 2

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004jgre..10912s05a&link_type=abstract

Journal of Geophysical Research, Volume 109, Issue E12, CiteID E12S05

Physics

2

Planetology: Solar System Objects: Comets, Planetology: Solar System Objects: Dust, Planetology: Solid Surface Planets: Interactions With Particles And Fields, Planetology: Solid Surface Planets: Physical Properties Of Materials, Planetology: Solid Surface Planets: Instruments And Techniques

Scientific paper

Radio Doppler data at X band (~8.4 GHz) and spacecraft attitude control data were obtained during the encounter with comet 81P/Wild 2. The Doppler data set an upper bound of 5 × 1015 kg on the mass of the nucleus, about 100 times larger than theoretical estimates. The attitude control data indicate that a large dust particle with a mass in the range of 20 to 40 mg impacted the spacecraft about 15.5 s before closest approach.

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