A centenary survey of orbits of co-orbitals of Jupiter

Details A centenary survey of orbits of co-orbitals of Jupiter A centenary survey of orbits of co-orbitals of Jupiter

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008p%26ss...56..358s&link_type=abstract

Planetary and Space Science, Volume 56, Issue 3-4, p. 358-367.

Astronomy and Astrophysics

Astronomy

4

Scientific paper

Jupiter's Trojan asteroids fulfill the prediction of Lagrange that orbits can be stable when a small body orbits in specific locations relative to its ‘parent’ planet and the Sun. The first such Trojan asteroid was discovered slightly over 100 years ago, in 1906, and subsequently similar asteroids have been discovered associated with Mars and with Neptune. To date no Trojans have been discovered associated with Earth, but several horseshoe asteroids, co-orbital asteroids moving along a large range of the Earth's orbit, have been found. Since the number of detected Jupiter Trojans has increased dramatically in the last few years, we have conducted a numerical survey of their orbital motions, focusing on comparing results about libration properties to theory. We use the enlarged database of information about Trojans from the Minor Planet Center Orbital Database (MPCORB), as well as the Mercury integrator package developed by Chambers [1999. A hybrid symplectic integrator that permits close encounters between massive bodies. Mon. Not. R. Astron. Soc. 304(4), 793 799] to summarize their properties as now known.

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