Turning Asteroids into Comets with ELTs

Details Turning Asteroids into Comets with ELTs Turning Asteroids into Comets with ELTs

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009em%26p..105..181f&link_type=abstract

Earth, Moon, and Planets, Volume 105, Issue 2-4, pp. 181-186

Physics

Comets, Observation

Scientific paper

It is clear that ELTs will be able to detect extremely weak outgassing from Solar system bodies via a number of different methods. Occultations will allow probing for outgassing around 20 km main-belt asteroids. Imaging can reveal dust emission rates of only milligrams/second in the inner solar system, while sublimation rates of gasses should be measurable down to gram/second levels. Suitable targets will be identified via the coming all-sky surveys, through both the classical dynamical Tisserand Invariant and long-baseline lightcurves. It is possible that using these methods, ELTs may allow the discovery of much more activity throughout the Solar system than is presently known.

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