Shape and size measurements of asteroids by the HST Fine Guidance Sensors

Details Shape and size measurements of asteroids by the HST Fine Guidance Sensors Shape and size measurements of asteroids by the HST Fine Guidance Sensors

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.500..517t&link_type=abstract

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

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Asteroids, Hubble Space Telescope

Scientific paper

For the first time an observing program based upon the use of the Fine Guidance Sensor (FGS) of the Hubble Space Telescope (HST) has successfully provided precise measurements of asteroid diameters and shapes. Six objects, suspected to be binary bodies, have been observed. We will give a short overview of the FGS interferometer and of the results obtained. Some bodies are generally close in shape to three axis ellipsoid; others, such as (216) Kleopatra, clearly show the hints of complex structures. The suspected duplicity of Hektor cannot be ruled out or confirmed due to the low S/N ratio.

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