Bem-vindos! Benvenuti! Welcome! ようこそ！
patryksan@gmail.com or patryk@socio.kindai.ac.jp
→ UPDATED履歴書 (pdf)１２月２０２４年
https://twitter.com/P_SofiaLykawka
新着情報🗣️
→ 太陽系外縁部を特異な軌道で公転するセドノイド（小天体2023 KQ14 「アンモナイト」）を新たに発見！詳細は、論文１及びニュースリリース：https://newscast.jp/news/2541903
→ 新しい論文の掲載が決定されました！（以下の論文４） ４つの地球型惑星形成と惑星への水供給に関する詳しい研究成果です。
→ 海王星の新たな衛星が発見！詳細は論文２及びニュースリリース：https://newscast.jp/news/6468057
→ 太陽系外縁部に未発見の惑星（カイパーベルト惑星または惑星X → 以下の論文５）についてはこちらのページを見てください：KBP ←クリック
研究テーマ
太陽系の起源と進化
太陽系外縁天体（又はエッジワースカ・カイパーベルト天体: TNOs）、小惑星、ケンタウロス群、トロヤ群、彗星、その他の小天体の性質と力学
地球型惑星形成
惑星移動論
軌道共鳴
査読付き学術論文（最近の10本)
1. Chen Y.-T., Lykawka P. S., Huang Y., Kavelaars JJ, Fraser W. C., Bannister M. T., Wang S.-Y., Chang C.-K., Lehner M. J., Yoshida F., Gladman B., Alexandersen M., Ashton E., Choi Y.-J., Contreras A. P. G., Ito, T., JeongAhn Y., Ji J., Kim M.-J., Lawler S. M., Li J., Lin Z.-Y., Moon H.-K., More S., Muñoz-Gutiérrez M. A., Ohtsuki K., Peltier L., Pike R., Terai T., Urakawa S., Zhang H., Zhao H., Zhou J.-L. 2025. Discovery and dynamics of a Sedna-like object with a perihelion of 66 au. Nature Astronomy.🆕
https://www.nature.com/articles/s41550-025-02595-7
2. Sheppard S., Tholen D., Brozovic M., Jacobson R., Trujillo C., Lykawka P. S., Alexandersen M. 2024. New Moons of Uranus and Neptune from Ultra-Deep Pencil Beam Surveys. The Astronomical Journal, 168:258 (16 pp).🆕
https://iopscience.iop.org/article/10.3847/1538-3881/ad7fed
3. Fraser W. C., Porter S. B., Peltier L., (...), Lykawka P. S., (...). 2024. Candidate Distant Trans-Neptunian Objects Detected by the New Horizons Subaru TNO Survey. The Planetary Science Journal 5:227 (20 pp).🆕
https://iopscience.iop.org/article/10.3847/PSJ/ad6f9e
4. Lykawka P. S., and Ito T. 2024. Formation of the four terrestrial planets in the Jupiter-Saturn chaotic excitation scenario: fundamental properties and water delivery. Icarus 416:116098.🆕
https://doi.org/10.1016/j.icarus.2024.116098
5. Lykawka P. S., and Ito T. 2023. Is there an Earth-like planet in the distant Kuiper Belt? The Astronomical Journal 166:118 (20 pp).🆕
https://iopscience.iop.org/article/10.3847/1538-3881/aceaf0
6. Ashton E., Chang C.-K., Chen Y.-T., Lehner M. J., Wang S.-Y., Alexandersen M., Choi Y.-J., Fraser W. C., Contreras A. P. G., Ito T., JeongAhn Y., Ji J., Kavelaars J. J., Kim M.-J., Lawler S. M., Li J., Lin Z.-Y., Lykawka P. S., Moon H.-K., More S., Muñoz-Gutiérrez M. Ohtsuki K., Pike R. E., Terai T., Urakawa S., Yoshida F., Zhang H., Zhao H., Zhou J.-L. 2023. FOSSIL. III. Lightcurves of 371 Trans-Neptunian Objects. The Astrophysical Journal Supplement Series 267:33 (13pp).
https://iopscience.iop.org/article/10.3847/1538-4365/acda1e
7. Lykawka P. S., and Ito T. 2023. Terrestrial planet and asteroid belt formation by Jupiter-Saturn chaotic excitation. Scientific Reports 13:4708 (14pp + detailed supplementary information).
https://www.nature.com/articles/s41598-023-30382-9
8. Chang C.-K., Chen Y.-T., Fraser W. C., Lehner M. J., Wang S.-Y., Alexandersen M., Choi Y.-J., Contreras A. P. G., Ito T., JeongAhn Y., Ji J., Kavelaars J. J., Kim M.-J., Lawler S. M., Li J., Lin Z.-Y., Lykawka P. S., Moon H.-K., More S., Muñoz-Gutiérrez M. Ohtsuki K., Pike R. E., Terai T., Urakawa S., Yoshida F., Zhang H., Zhao H., Zhou J.-L. 2022. FOSSIL. II. The Rotation Periods of Small-sized Hilda Asteroids. The Astrophysical Journal Supplement Series 259:7 (8pp).
https://iopscience.iop.org/article/10.3847/1538-4365/ac50ac
9. Chang C.-K., Chen Y.-T., Fraser W. C., Yoshida F., Lehner M. J., Wang S.-Y., Kavelaars J. J., Pike R. E., Alexandersen M., Ito T., Choi Y.-J., Contreras A. P. G., JeongAhn Y., Ji J., Kim M.-J., Lawler S. M., Li J., Lin Z.-Y., Lykawka P. S., Moon H.-K., More S., Muñoz-Gutiérrez M. A., Ohtsuki K., Terai T., Urakawa S., Zhang H., Zhao H., Zhou J.-L. 2021. FOSSIL. I. The Spin Rate Limit of Jupiter Trojans. The Planetary Science Journal 2:191.
https://iopscience.iop.org/article/10.3847/PSJ/ac13a4/meta
10. Lin H.-W., Chen Y.-T., Volk K., Gladman B., Murray-Clay R., Alexandersen M., Bannister M. T., Lawler S. M., Ip W.-H., Lykawka P. S., Kavelaars J. J., Gwyn S. D. J., Petit J.-M. 2021. OSSOS: The eccentricity and inclination distributions of the stable neptunian Trojans. Icarus 361:114391.
https://www.sciencedirect.com/science/article/pii/S0019103521000804
Please see my CV, NASA/ADS, or Google Scholar for the total records.
アウトリーチと社会への寄与
🏆アウトリーチと社会への寄与について（公開講演会や社会活動など）は私の履歴書までご参照ください。
リンク
Formation of the Outer Solar System: An Icy Legacy (FOSSIL) - https://fossil-survey.org/
Asteroids Dynamic Site (AstDyS-2) - https://newton.spacedys.com/astdys/
Atlas of Mean Motion Resonances (by Prof. Tabare Gallardo) - https://sites.google.com/view/mmresonances/