Radar imaging of asteroid 654 Zelinda

Details Radar imaging of asteroid 654 Zelinda Radar imaging of asteroid 654 Zelinda

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.500..485m&link_type=abstract

In: Proceedings of Asteroids, Comets, Meteors - ACM 2002. International Conference, 29 July - 2 August 2002, Berlin, Germany. Ed

Computer Science

Minor Planets: Radar Observations

Scientific paper

Radar observations of main-belt asteroid 654 Zelinda were made at the Arecibo Observatory in February 2002. Echoes were several times stronger than for any previous main-belt radar experiment: delay-Doppler imaging resolution was 1.2 km, one percent of Zelinda's diameter. Zelinda is topographically complex. The most prominent feature is a quasispecular "glint" probably produced by a flat facet 15 km across. This facet may connect in turn to a second feature, perhaps 30 km long and fairly straight. Shape reconstruction is in progress; rotation phase coverage is probably the limiting factor in obtaining a unique model. Any such limitation could be removed at Zelinda's next strong radar apparition in 2009.

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