Collision of large dust particles with Suisei spacecraft

Details Collision of large dust particles with Suisei spacecraft Collision of large dust particles with Suisei spacecraft

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.250b.219u&link_type=abstract

In ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 2: Dust and Nucleus p 219-222 (SEE N

Physics

1

Halley'S Comet, Japanese Spacecraft, Particle Collisions, Particle Mass, Particle Size Distribution, Satellite Perturbation

Scientific paper

The spacecraft Suisei encountered Halley's comet at 13:05:49 UT on March 8, 1986. The closest approach distance to the comet was 151,000 km and during the time of closest approach, Suisei was hit twice by dust particles which were believed to come from the comet nucleus. Although Suisei has no dust counter or detector, the mass of these particles can be estimated by the analysis of attitude change of the spin-stabilized spacecraft perturbed by the collisions. The result shows that the minimum weight of the first particle should be several milligram and second one was several ten micrograms.

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