Physics
Scientific paper
Feb 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004jgre..10902002d&link_type=abstract
Journal of Geophysical Research, Volume 109, Issue E2, CiteID E02002
Physics
4
Planetology: Solar System Objects: Asteroids And Meteoroids, Geodesy And Gravity: Planetary Geodesy And Gravity (5420, 5714, 6019), Geodesy And Gravity: Photogrammetry, Planetology: Comets And Small Bodies: Orbital And Rotational Dynamics, Planetology: Comets And Small Bodies: Remote Sensing
Scientific paper
The NASA Discovery Stardust spacecraft flew by the main belt asteroid 5535 Annefrank at a distance of 3100 km and a speed of 7.4 km/s in November 2002 to test the encounter sequence developed for its primary science target, the comet 81P/Wild 2. During this testing, over 70 images of Annefrank were obtained, taken over a phase angle range from 40 to 140 deg. This viewing showed that Annefrank was at least 6.6 × 5.0 × 3.4 km in size (diameters), with its shortest dimension normal to its orbit plane. Annefrank is highly angular, with flat appearing surfaces, possibly planes formed when it was fractured off of a larger parent body. For the limited part of the surface seen, Annefrank resembles a triangular prism for the main body, with smaller, rounder bodies, possibly accreted through contact.
Acton Charles H.
Adams William R.
Brownlee Donald E.
Carranza Eric
Cheuvront Allan R.
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