Population of NEAs in Coorbital Motion with Venus

Details Population of NEAs in Coorbital Motion with Venus Population of NEAs in Coorbital Motion with Venus

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005dps....37.1408m&link_type=abstract

American Astronomical Society, DPS meeting #37, #14.08; Bulletin of the American Astronomical Society, Vol. 37, p.637

Statistics

Methodology

Scientific paper

In a previous article (Morais and Morbidelli, Icarus 160, 1-9, 2002) we estimated the population of Near Earth Asteroids (NEAs) that are in coorbital motion with the Earth. This work was based on simulations that had as starting point an existent NEA model (Bottke et al, Icarus 156, 399-433, 2002).
Here, we apply the same methodology to estimate the population of NEAs that are in coorbital motion with Venus. We obtain the size and orbital distribution of these objects. We find that there should be 0.14 ± 0.03 objects with absolute magnitude H<18 and 3.5 ± 0.7 objects with absolute magnitude H<22. We also map the distribution in the sky of these Venus coorbital NEAs as an aid for future observational searches.
This work was funded by grant SFRH/BPD/19155/2004 from the Fundação para a Ciência e Tecnologia (Portugal).

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