Two regions where plutinos with larger masses might exist

Details Two regions where plutinos with larger masses might exist Two regions where plutinos with larger masses might exist

May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003acasn..44..166d&link_type=abstract

Acta Astronomica Sinica, vol. 44, no. 2, p. 166-174

Astronomy and Astrophysics

Astronomy

Solae System: Planetoid, Asteroids Kuiper Belt Objects

Scientific paper

Up to now near 1000 small objects have been found beyond Neptune. They are called Kuiper Belt Objects(KBOs) or Edgeworth-Kuiper Belt Objects. A group of KBOs named Plutino are in the 3:2 mean motion resonance with Neptune and Pluto is one of them. Since the discovery of the first KBO in 1992, several narrow-field surveys have been carried out and a few large KBOs discovered. We found two regions in the space of orbit elements by numerical experiments, in which objects are trapped in the three resonances just as Pluto does. These resonances protect Pluto and Plutinos from the perturbation of Neptune. Furthermore, minor bodies in these two regions could avoid close encounter with Pluto as well. Consequently, astronomers might find Plutinos with larger masses in these two regions.

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