Piotr A. Dybczyński1,  Małgorzata Królikowska2

1.Astronomical Observatory Institute, Faculty of Physics, 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


Preprint published article



  • Paper 5: Dybczyński, Królikowska, 2015, 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, 448 (4): 588-600, doi: 10.1093/mnras/stv013
  • ACM'2014 presentation: Dybczyński, Królikowska: Towards a better understanding of the apparent source of long period comets, Abstract    Presentation (PDF)
  • Paper 4: Królikowska, Dybczyński, 2013, Near-parabolic comets observed in 2006–2010. The individualized approach to 1/a-determination and the new distribution of original and future orbits, MNRAS, doi:10.1093/mnras/stt1313 Published article (free access link)
  • The revised method of orbit quality assessment of near-parabolic comets, on-line material
  • Paper 3: Królikowska, Dybczyński, Sitarski, 2012, Different dynamical histories for comets C/2001 Q4 and C/2002 T7?, 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, 2011, Where do long-period comets come from? Moving through the Jupiter–Saturn barrier., MNRAS, vol. 416, issue 1, pp. 51-69.
    Published article (free access).
  • 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.
    Published article (free access).