- Dynamical past and future of long period comets - in cooperation with Prof. Małgorzata Królikowska-Sołtan from CBK PAN.
- on-line service: Catalogue and database CODE - currently almost 300 long period comets included.
- Workplace (authorization required)
- Searching for stars that can perturb long period comet motion - research with the participation of the PhD student Rita Wysoczańska.
- on-line service: Potential stellar perturbers database - current version 3.3 contains data on 59 objects passing the Sun closer than 1 pc.
- Workplace (authorization required)
- Development of algorithms and codes for investigations of long period comet dynamics, taking into account planetary, stellar and Galactic perturbations.
- C language version of the software for accessing JPL planetary ephemerides.
- Everhart numerical integrators (in preparation)
- Workplace (authorization required)