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This is a list of all comets that includes numbered comets, unnumbered comets, and active asteroids.

Lists[]

Numbered[]

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Includes periodic, Halley-type, quasi-Hilda and other comets with periods less than 200 years.

✝Indicates a lost or destroyed comet

Designation Diameter (km) Discovery Year Notes Provisional Designation
1P/Halley 11[1] 240 BC
2P/Encke 4.8 1786
3D/Biela✝ 0.5 1826
4P/Faye 3.54 1843
5P/Brorsen✝
6P/d'Arrest
7P/Pons-Winnecke
8P/Tuttle
9P/Tempel
(Tempel 1)
6.25[2] 1867 1867 G1
10P/Tempel
(Tempel 2)
11P/Tempel-Swift-LINEAR
12P/Pons-Brooks
13P/Olbers
14P/Wolf
15P/Finlay
16P/Brooks
(Brooks 2)
17P/Holmes
18D/Perrine-Mrkos✝
19P/Borrelly 4.8[3] 1904
20D/Westphal✝
81P/Wild 2.13[4] 1978
103P/Hartley 1.6 1984
109P/Swift-Tuttle 26[5] 1862

Unnumbered[]

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Name of Comet Diameter

(km)

Discovery Year Notes Provisional Designation
Hale-Bopp 60[6] 1995 C/1995 O1
2004 C/2004 R2 (ASAS)
1[7] 2022 C/2022 E3 (ZTF)

Active Asteroids[]

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Comet Number Name of Comet Diameter of Nucleus (Kilometers) Discovery Year Notes Provisional Designation
95P 2060 Chiron 215.6[8] 1977 Considered both a comet and minor planet. 1977 UB

References[]