Orientation—dependent effects in Oort's theory of comet origin: I. Evolution of the orbital orientations and perihelion distances of long-period comets

@inproceedings{Joss1970OrientationdependentEI,
  title={Orientation—dependent effects in Oort's theory of comet origin: I. Evolution of the orbital orientations and perihelion distances of long-period comets},
  author={Paul Christopher Joss},
  year={1970}
}
Abstract The orbital orientations and perihelion distances of long-period comets undergo appreciable systematic evolution due to planetary perturbations over many perihelion passages, and such evolution should have a significant bearing upon Oort's theory of comet origin. Once a comet has been captured into a long-period orbit, the effects of stellar perturbations upon its orbital orientation are generally small and random, so that the orientation is well defined from one perihelion passage to… CONTINUE READING