The Potentially Hazardous Asteroid (410777) 2009 FD

• Autorzy: Wlodarczyk I.
• Języki publikacji: EN

Abstrakty

EN

The asteroid (410777) 2009 FD is placed at the top of the JPL NASA Sentry Risk Table. We show that the predicted probability of the potential impact of the asteroid (410777) 2009 FD in fact depends on (i): used methods of selection and weighing of observational data, (ii): adopted dynamical model with included non-gravitational effects in the motion of asteroid based on cometary approach, and considerably weaker depends on (iii): the used model of the Solar System with different number of massive asteroids as potential perturbers. We computed impact solutions of the asteroid (410777) 2009 FD based on its 296 optical observations from February 24, 2009 to April 02, 2014 and one radar observation from April 07, 2014. We used the freely available ORBFIT Software Package and studied the future evolution of the orbit of (410777) 2009 FD searching for close approaches with the Earth and for the possible impacts up to the year 2200. According to our study the impacts are possible in the years: 2185, 2186, 2190, 2191, 2192, 2194, 2196, and 2198, provided the non-gravitational parameter A2 in the range of (-46.0,+3.0)×10^-15 a.u./d², with the gap between (-25.0,-11.0)×10^-15 a.u./d².

Słowa kluczowe

EN

minor planets; asteroids; Celestial mechanics

• Wydawca: Copernicus Foundation for Polish Astronomy
• Czasopismo: Acta Astronomica
• Rocznik: 2015
• Tom: Vol. 65, No. 2
• Strony: 215--231
• Opis fizyczny: Bibliogr. 19 poz., tab., wykr.

Twórcy

autor

Wlodarczyk I.

• Chorzow Astronomical Observatory, Al. Planetarium 4, 41-500 Chorzow, Poland

Bibliografia

• Bielicki, M., and Sitarski, G. 1991, Acta Astron., 41, 309.
• Chambers, J.E. 1999, MNRAS, 304, 793.
• Chesley, S.R., Baer, J., and Monet, D.G. 2010, Icarus, 210, 158.
• Chesley, S.R., et al. 2012, LPI Contributions, 1667, 6470.
• Chesley, S.R., et al. 2014, Icarus, 235, 5.
• Farnocchia, D., Chesley, S.R., Vokrouhlický, D., Milani, A., Spoto, F., and Bottke, W.F 2013a, Icarus, 224, 1.
• Farnocchia, D., Chesley, S.R., Chodas, P.W., Micheli, M., Tholen, D.J., Milani, A., Elliott, G.T., and Bernardi, F. 2013b, Icarus, 224, 192.
• Farnocchia, D., Chesley, S.R., Chamberlin, A.B., and Tholen, D.J. 2015, Icarus, 245, 94.
• La Spina A., Paolicchi P., Kryszczyńska A., and Pravec P. 2004, Nature, 428, 400.
• Marsden B.G., Sekanina Z., and Yeomans D.K. 1973, AJ, 78, 211.
• Milani, A., Chesley, S.R., Sansaturio, M.E., Tommei, G., and Valsecchi, G.B. 2005a, Icarus, 173, 362.
• Milani, A., Sansaturio, M.E., Tommei, G., Arratia, O., and Chesley, S.R. 2005b, A&AS, 431, 729.
• Sitarski, G. 1999, Acta Astron., 49, 421.
• Sitarski, G. 2006, Acta Astron., 56, 283.
• Spoto, F., Milani, A., Farnocchia, D., Chesley, S.R., Micheli, M., Valsecchi, G.B., Perna, D., and Hainaut, O. 2014, A&A, 572, 100.
• Wajer, P., and Królikowska, M. 2014, arXiv1410.1841.
• Wlodarczyk, I. 2007, Contributions of the Astronomical Observatory Skalnaté Pleso, 37, 69.
• Wlodarczyk, I. 2008, Contributions of the Astronomical Observatory Skalnaté Pleso, 38, 21.
• Wlodarczyk, I. 2013, MNRAS, 434, 3055.