Piotr A. Dybczyński1,  Małgorzata Królikowska2

1.Astronomical Observatory Institute, A.Mickiewicz University, Poznań, Poland.
2.Solar System Dynamics and Planetology Group,Space Research Centre, Polish Academy of Sciences, Warsaw, Poland.

Our research on cometary dynamics and origin



  • Paper 7: Królikowska, Dybczyński, 2016, New orbit recalculations of comet C/1890 F1 Brooks and its dynamical evolution, accepted for publication in MNRAS. Supplementary material for this paper. See also at
  • Paper 6: published article Accepted manuscript (PDF)
    free access
    Piotr A. Dybczyński, Małgorzata Królikowska, 2015, Towards a better understanding of the apparent source/sources of long period comets, Planetary and Space Science, 2015, in print, doi: 10.1016/j.pss.2015.11.015
  • Paper 5: Dybczyński, Królikowska, Near-parabolic comets observed in 2006–2010.II Their past and future motion under the influence of the Galaxy field and known nearby stars , MNRAS, 2015, 448 (4): 588-600, doi: 10.1093/mnras/stv013 publishers PDF (free access link)
  • ACM'2014 presentation: Dybczyński, Królikowska: Towards a better understanding of the apparent source of long period comets, Abstract    Presentation (PDF)
  • Paper 4: Królikowska, Dybczyński, Near-parabolic comets observed in 2006–2010. The individualized approach to 1/a-determination and the new distribution of original and future orbits, 2013, MNRAS, doi:10.1093/mnras/stt1313 publishers PDF (free access link)
  • The revised method of orbit quality assessment of near-parabolic comets, on-line material
  • Paper 3: Królikowska, Dybczyński, Sitarski, Different dynamical histories for comets C/2001 Q4 and C/2002 T7?, 2012, A&A, vol. 544, August 2012, Article Number A119. (article)
  • ACM'2012 poster: Królikowska, Dybczyński, Sitarski : Different History of Comets C/2001 Q4 and C/2002 T7 ?
  • Paper 2: Dybczyński, Królikowska, Where do long-period comets come from? Moving through the Jupiter–Saturn barrier., 2011, MNRAS, vol. 416, issue 1, pp. 51-69. (preprint)
  • Paper 1: Królikowska, Dybczyński, Where do long-period comets come from? 26 comets from the non-gravitational Oort spike, 2010, MNRAS, vol.404, issue 4, pp.1886-1902. (preprint).