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| Paper: |
Formation and Migration of Trans-Neptunian Objects |
| Volume: |
294, Scientific Frontiers in Research on Extrasolar Planets |
| Page: |
349 |
| Authors: |
Ipatov, S. I. |
| Abstract: |
Some large trans-Neptunian objects could be formed by the compression of rarefied dust condensations, but not by the accumulation of smaller planetesimals. A considerable portion of near-Earth objects could have come from the trans-Neptunian region. Our runs of the evolution of thousands orbits of Jupiter-family comets under the gravitational influence of planets showed that former Jupiter-family comets collide with the terrestrial planets mostly from orbits with aphelia located deep inside Jupiter's orbit. The total mass of water delivered by planetesimals from beyond Jupiter's orbit to the Earth could exceed the mass of Earth's oceans. |
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