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122P/de Vico is a periodic comet with an orbital period of 74 years. It fits the classical definition of a Halley-type comet with. It was discovered by Francesco de Vico in Rome on February 20, 1846.
43P/Wolf–Harrington is a periodic comet discovered on December 22, 1924, by Max Wolf in Heidelberg, Germany. In 2019 it passed within 0.065 AU of Jupiter, which lifted the perihelion point and increased the orbital period to 9 years.
C/2000 W1 (Utsunomiya–Jones) is a long-period comet from the Oort cloud discovered on November 18, 2000, by Syogo Utsunomiya and Albert F. A. L. Jones. The comet reached up to apparent magnitude 5.5, but was only 27 degrees from the Sun in mid-December 2000.
62P/Tsuchinshan, also known as Tsuchinshan 1, is a periodic comet discovered on 1965 January 1 at Purple Mountain Observatory, Nanking. It will next come to perihelion on 25 December 2023 at around apparent magnitude 8, and will be 0.53 AU (79 million km) from Earth and 110 degrees from the Sun.
51P/Harrington is a periodic comet in the Solar System.
References
- 1 2 3 Seiichi Yoshida (2004-02-21). "20D/Westphal". Seiichi Yoshida's Comet Catalog. Retrieved 2012-02-20.
- ↑ "Horizons Batch for 20D/Westphal (90000306) on 2038-May-04" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons . Retrieved 2023-02-11. (JPL#19 Soln.date: 2003-Apr-11)
- ↑ "JPL Small-Body Database Browser: 20D/Westphal" (1913-10-13 last obs). Jet Propulsion Laboratory . Retrieved 2012-07-26.
- 1 2 3 4 5 Sekanina, Z. (April 1984). "Disappearance and disintegration of comets". Icarus. 58 (1): 81–100. doi:10.1016/0019-1035(84)90099-X.
