Publications
• "The orbit of (944) Hidalgo", British Astron. Assoc. Jnl., (1990, M. Cavagna, P. Sicoli) • "Future Earth Approaches of (4179) Toutatis", Minor Planet Bulletin, (1992, M. Cavagna, P. Sicoli) • "Earth Close Approaches of Minor Planet (7482) 1994 PC1", Minor Planet Bulletin, (1997, P. Sicoli) • "Asteroid and Planet Close Encounters", Minor Planet Bulletin, (1999, F. Manca, P. Sicoli) • "Monitoring Hazardous Objects", Proceedings of the Third Italian Meeting of Planetary Science, (2000, F. Manca, P. Sicoli) • "Giuseppe Piazzi and the Discovery of Ceres", Asteroids III, (2002, G. Fodera' Serio, A. Manara, P. Sicoli) • "Planetary Close Encounters", Proceedings of the Fourth Italian Meeting of Planetary Science, (2002, F. Manca, P. Sicoli) • "Killed by a meteorite?", Mercury, (2003, P. Sicoli, C.J. Cunningham) • "Identification of asteroids and comets: methods and results", Proceedings of the X National Conference on Planetary Science. (2011, F. Manca, P. Sicoli, and A. Testa) • "Comets and Political anxieties in the first half of the Ninth Century: New Light on Comets X/839 B1 and X/841 Y1". Journal of Astronomical History and Heritage, 25(2), 213–226 (2022, P. Sicoli, M. Cesario, R. Gorelli) • "New and improved orbits of historical comets: Late 4th and 5th century" ICARUS Volume 384, 15 September 2022, 115112 (M.J. Martínez, F.J. Marco, P. Sicoli, R. Gorelli) • "Did 1P/ Halley have an outburst in 990 AD?". THE COMET’S TALE Comet Section – British Astronomical Association, Journal – Number 41 2022 June (P. Sicoli, R. Gorelli) • "Medieval Comets European and Middle Eastern Perspective". Universitat Politècnica de València. (2023, P. Sicoli, R. Gorelli, M.J. Martínez Uso, F.J. Marco) https://doi.org/10.4995/SCCIE.2023.666301 • "New and improved orbits of some historical comets: 6TH and 7TH centuries". ICARUS Volume 420, 15 September 2024, 116165 (P. Sicoli, R. Gorelli, M.J. Martínez, F.J. Marco) • "Comete nell'Italia antica e medievale" Book Edit. LED Bibliotheca (2024, P. Sicoli) == References ==