Apollo asteroids (1566) Icarus and 2007 MK6: Icarus family members?

Details Apollo asteroids (1566) Icarus and 2007 MK6: Icarus family members? Apollo asteroids (1566) Icarus and 2007 MK6: Icarus family members?

2007-08-21

arxiv.org/abs/0708.2825v2

Astronomy and Astrophysics

Astrophysics

11 pages, 1 figure, to appear on Astrophysical Journal Letters (journal info added)

Scientific paper

10.1086/522589

Although it is more complicated to search for near-Earth object (NEO) families than main belt asteroid (MBA) families, since differential orbital evolution within a NEO family can cause current orbital elements to drastically differ from each other, we have found that Apollo asteroids (1566) Icarus and the newly discovered 2007 MK6 are almost certainly related. Specifically, their orbital evolutions show a similar profile, time shifted by only ~1000 yr, based on our time-lag theory. The dynamical relationship between Icarus and 2007 MK6 along with a possible dust band, the Taurid-Perseid meteor swarm, implies the first detection of an asteroidal NEO family, namely the "Icarus asteroid family".

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