List of periodic comets

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Periodic comets are comets having orbital periods of less than 200 years (also known as "short-period comets") or which have been observed during more than a single perihelion passage[1] (e.g. 153P/Ikeya–Zhang). ("Periodic comet" is also sometimes used to mean any comet with a periodic orbit, even if greater than 200 years.)

Periodic comets receive a permanent number prefix usually after the second perihelion passage, which is why there are a number of unnumbered periodic comets, such as P/2005 T5 (Broughton).

In nearly all cases, comets are named after their discoverer(s), but in a few cases such as 2P/Encke and 27P/Crommelin they were named for a person who calculated their orbits (the orbit computers). The long-term orbits of comets are difficult to calculate because of errors in the known trajectory that accumulate with perturbations from the planets, and in the days before electronic computers some people dedicated their entire careers to this. Even so, quite a few comets were lost because their orbits are also affected by non-gravitational effects such as the release of gas and other material that forms the comet's coma and tail. Unlike a long-period comet, the next perihelion passage of a numbered periodic comet can be predicted with a high degree of accuracy.

Periodic comets sometimes bear the same name repeatedly (e.g. the nine Shoemaker–Levy comets or the twenty-four NEAT comets); the IAU system distinguishes between them either through the number prefix or by the full designation (e. g. 181P and 192P are both "Comet Shoemaker–Levy"). In the literature, an informal numbering system is applied to periodic comets (skipping the non-periodic ones), thus 181P and 192P are known as Comet Shoemaker–Levy 6 and Comet Shoemaker–Levy 1, respectively. Non-periodic Shoemaker–Levy comets are interleaved in this sequence: C/1991 B1 between 2 and 3, C/1991 T2 between 5 and 6, C/1993 K1 and C/1994 E2 after Shoemaker–Levy 9.

In comet nomenclature, the letter before the "/" is either "C" (a non-periodic comet), "P" (a periodic comet), "D" (a comet which has been lost or has disintegrated), "X" (a comet for which no reliable orbit could be calculated —usually historical comets), or "A" for an object that was mistakenly identified as a comet, but is actually a minor planet.[1]

Some lists retain the "C" prefix for comets of periods larger than about 30 years until their return is confirmed.[2]

Numbered periodic comets[edit]

Comet Discoverer(s) or namesake(s) Orbital period (years) Spacecraft encounter(s)
1P/Halley Halley 75.32 Giotto (flyby 1986), Vega 1 (flyby 1986), Vega 2 (flyby 1986), Suisei (flyby 1986) ICE (distant flyby 1986), Sakigake (distant flyby 1986)
2P/Encke Encke 3.30
3D/Biela Biela
4P/Faye Faye 7.51
5D/Brorsen Brorsen
6P/d'Arrest d'Arrest 6.54
7P/Pons–Winnecke Pons & Winnecke 6.36
8P/Tuttle Tuttle 13.61
9P/Tempel (Tempel 1) Tempel 5.58 Deep Impact (impactor/flyby 2005), Stardust (flyby 2011)
10P/Tempel (Tempel 2) Tempel 5.37
11P/Tempel–Swift–LINEAR Tempel & Swift & LINEAR 6.37
12P/Pons–Brooks Pons & Brooks 70.85
13P/Olbers Olbers 69.52
14P/Wolf Wolf 8.74
15P/Finlay Finlay 6.50
16P/Brooks (Brooks 2) Brooks 6.14
17P/Holmes Holmes 6.88
18D/Perrine–Mrkos Perrine & Mrkos
19P/Borrelly Borrelly 6.85 Deep Space 1 (flyby 2001)
20D/Westphal Westphal
21P/Giacobini–Zinner Giacobini & Zinner 6.60 ICE (distant flyby 1985)
22P/Kopff Kopff 6.43 CRAF (rendezvous/lander 2000 – cancelled)
23P/Brorsen–Metcalf Brorsen & Metcalf 70.52
24P/Schaumasse Schaumasse 8.25
25D/Neujmin (Neujmin 2) Neujmin
26P/Grigg–Skjellerup Grigg & Skjellerup 5.31 Giotto (flyby 1992)
27P/Crommelin Crommelin 27.93
28P/Neujmin (Neujmin 1) Neujmin 18.17
29P/Schwassmann–Wachmann (Schwassmann–Wachmann 1) Schwassmann & Wachmann 14.69
30P/Reinmuth (Reinmuth 1) Reinmuth 7.34
31P/Schwassmann–Wachmann (Schwassmann–Wachmann 2) Schwassmann & Wachmann 8.75
32P/Comas Solá Comas Solá 8.80
33P/Daniel Daniel 8.07
34D/Gale Gale
35P/Herschel–Rigollet Herschel & Rigollet 155
36P/Whipple Whipple 8.55
37P/Forbes Forbes 6.35
38P/Stephan–Oterma Stephan & Oterma 37.72
39P/Oterma Oterma 19.53
40P/Väisälä (Väisälä 1) Väisälä 10.82
41P/Tuttle–Giacobini–Kresák Tuttle & Giacobini & Kresák 5.42
42P/Neujmin (Neujmin 3) Neujmin 10.70
43P/Wolf–Harrington Wolf & Harrington 6.13
44P/Reinmuth (Reinmuth 2) Reinmuth 7.08
45P/Honda–Mrkos–Pajdušáková Honda & Mrkos & Pajdušáková 5.26
46P/Wirtanen Wirtanen 5.44 ICE (distant flyby 2018 – proposed), CHopper (lander 2022—proposed)
47P/Ashbrook–Jackson Ashbrook & Jackson 8.35
48P/Johnson Johnson 6.95
49P/Arend–Rigaux Arend & Rigaux 6.73
50P/Arend Arend 8.25
51P/Harrington Harrington 7.13
52P/Harrington–Abell Harrington & Abell 7.54
53P/Van Biesbroeck Van Biesbroeck 12.6
54P/de Vico–Swift–NEAT de Vico & Swift & NEAT 7.38
55P/Tempel–Tuttle Tempel & Tuttle 33.24
56P/Slaughter–Burnham Slaughter & Burnham 11.54
57P/du Toit–Neujmin–Delporte du Toit & Neujmin & Delporte 6.40
58P/Jackson–Neujmin Jackson & Neujmin 8.24
59P/Kearns–Kwee Kearns & Kwee 9.51
60P/Tsuchinshan (Tsuchinshan 2) Tsuchinshan 6.56
61P/Shajn–Schaldach Shajn & Schaldach 7.06
62P/Tsuchinshan (Tsuchinshan 1) Tsuchinshan 6.63
63P/Wild (Wild 1) Wild 13.25
64P/Swift–Gehrels Swift & Gehrels 9.35
65P/Gunn Gunn 6.88
66P/du Toit du Toit 14.71
67P/Churyumov–Gerasimenko Churyumov & Gerasimenko 6.45 Rosetta (orbiter 2014)
68P/Klemola Klemola 10.83
69P/Taylor Taylor 7.65
70P/Kojima Kojima 7.06
71P/Clark Clark 5.53
72P/Denning–Fujikawa Denning & Fujikawa
73P/Schwassmann–Wachmann (Schwassmann–Wachmann 3) Schwassmann & Wachmann 5.36
74P/Smirnova–Chernykh Smirnova & Chernykh 8.51
75D/Kohoutek Kohoutek ~7
76P/West–Kohoutek–Ikemura West & Kohoutek & Ikemura 6.48
77P/Longmore Longmore 6.88
78P/Gehrels (Gehrels 2) Gehrels 7.22
79P/du Toit–Hartley du Toit & Hartley 5.28
80P/Peters–Hartley Peters & Hartley 8.12
81P/Wild (Wild 2) Wild 6.41 Stardust (flyby/sample return 2004)
82P/Gehrels (Gehrels 3) Gehrels 8.43
83D/Russell (Russell 1) Russell
84P/Giclas Giclas 6.97
85P/Boethin Boethin 11.81
86P/Wild (Wild 3) Wild 6.91
87P/Bus Bus 6.51
88P/Howell Howell 5.49
89P/Russell (Russell 2) Russell 7.26
90P/Gehrels (Gehrels 1) Gehrels 14.85
91P/Russell (Russell 3) Russell 7.67
92P/Sanguin Sanguin 12.43
93P/Lovas (Lovas 1) Lovas 9.20
94P/Russell (Russell 4) Russell 6.58
95P/Chiron = minor planet 2060 Chiron Kowal 50.50
96P/Machholz (Machholz 1) Machholz 5.28
97P/Metcalf–Brewington Metcalf & Brewington 10.51
98P/Takamizawa Takamizawa 7.40
99P/Kowal (Kowal 1) Kowal 15.25
100P/Hartley (Hartley 1) Hartley 6.35
101P/Chernykh Chernykh 13.94
102P/Shoemaker (Shoemaker 1) C. Shoemaker & E. Shoemaker 7.22
103P/Hartley (Hartley 2) Hartley 6.47 Deep Impact (flyby 2010)
104P/Kowal (Kowal 2) Kowal 5.89
105P/Singer Brewster Singer-Brewster 6.47
106P/Schuster Schuster 7.31
107P/Wilson–Harrington = minor planet 4015 Wilson–Harrington Helin & Wilson & Harrington 4.29
108P/Ciffréo Ciffréo 7.26
109P/Swift–Tuttle Swift & Tuttle 133.28
110P/Hartley (Hartley 3) Hartley 6.88
111P/Helin–Roman–Crockett Helin & Roman & Crockett 8.14
112P/Urata–Niijima Urata & Niijima 6.67
113P/Spitaler Spitaler 7.09
114P/Wiseman–Skiff Wiseman & Skiff 6.67
115P/Maury Maury 8.76
116P/Wild (Wild 4) Wild 6.51
117P/Helin–Roman–Alu (Helin–Roman–Alu 1) Helin & Roman & Alu 8.24
118P/Shoemaker–Levy (Shoemaker–Levy 4) C. Shoemaker, E. Shoemaker & Levy 6.44
119P/Parker–Hartley Parker & Hartley 8.89
120P/Mueller (Mueller 1) Mueller 8.43
121P/Shoemaker–Holt (Shoemaker–Holt 2) C.Shoemaker, E.Shoemaker & Holt 8.02
122P/de Vico de Vico 74.35
123P/West–Hartley West & Hartley 7.59
124P/Mrkos Mrkos 5.75
125P/Spacewatch Spacewatch 5.53
126P/IRAS IRAS 13.41
127P/Holt–Olmstead Holt & Olmstead 6.41
128P/Shoemaker–Holt (Shoemaker–Holt 1) C. Shoemaker, E. Shoemaker & Holt 9.59
129P/Shoemaker–Levy (Shoemaker–Levy 3) C. Shoemaker, E. Shoemaker & Levy 8.89
130P/McNaught–Hughes McNaught & Hughes 6.66
131P/Mueller (Mueller 2) Mueller 7.08
132P/Helin–Roman–Alu (Helin–Roman–Alu 2) Helin & Roman & Alu 8.28
133P/Elst–Pizarro = minor planet 7968 Elst–Pizarro Elst & Pizarro 5.62
134P/Kowal–Vávrová Kowal & Vávrová 15.6
135P/Shoemaker–Levy (Shoemaker–Levy 8) C. Shoemaker, E. Shoemaker & Levy 7.50
136P/Mueller (Mueller 3) Mueller 8.62
137P/Shoemaker–Levy (Shoemaker–Levy 2) C. Shoemaker, E. Shoemaker & Levy 9.55
138P/Shoemaker–Levy (Shoemaker–Levy 7) C. Shoemaker, E. Shoemaker & Levy 6.91
139P/Väisälä–Oterma Väisälä & Oterma 9.61
140P/Bowell–Skiff Bowell & Skiff 16.18
141P/Machholz (Machholz 2) Machholz 5.23
142P/Ge–Wang Ge & Wang 11.09
143P/Kowal–Mrkos Kowal & Mrkos 8.93
144P/Kushida Kushida 7.57
145P/Shoemaker–Levy (Shoemaker–Levy 5) C. Shoemaker, E. Shoemaker & Levy 8.66
146P/Shoemaker–LINEAR C. Shoemaker, E. Shoemaker & LINEAR 8.12
147P/Kushida–Muramatsu Kushida & Muramatsu 7.41
148P/Anderson–LINEAR Anderson & LINEAR 7.07
149P/Mueller (Mueller 4) Mueller 9.02
150P/LONEOS LONEOS 7.66
151P/Helin Helin 14.10
152P/Helin–Lawrence Helin & Lawrence 9.54
153P/Ikeya–Zhang Ikeya & Zhang 366.5
154P/Brewington Brewington 10.66
155P/Shoemaker (Shoemaker 3) C. Shoemaker & E. Shoemaker 17.09
156P/Russell–LINEAR Russell & LINEAR 6.84
157P/Tritton Tritton 6.29
158P/Kowal–LINEAR Kowal & LINEAR 10.26
159P/LONEOS LONEOS 14.32
160P/LINEAR LINEAR 7.95
161P/Hartley–IRAS Hartley & IRAS 21.43
162P/Siding Spring Siding Spring 5.32
163P/NEAT NEAT 7.30
164P/Christensen Christensen 6.97
165P/LINEAR LINEAR 76.7
166P/NEAT NEAT 51.73
167P/CINEOS CINEOS 64.85
168P/Hergenrother Hergenrother 6.89
169P/NEAT NEAT 4.20
170P/Christensen Christensen 8.63
171P/Spahr Spahr 6.70
172P/Yeung Yeung 6.59
173P/Mueller (Mueller 5) Mueller 13.63
174P/Echeclus = minor planet 60558 Echeclus Spacewatch 35.02
175P/Hergenrother Hergenrother 6.34
176P/LINEAR = minor planet 118401 LINEAR LINEAR 5.71
177P/Barnard (Barnard 2) Barnard 119.67
178P/Hug–Bell Hug & Bell 7.06
179P/Jedicke Jedicke 14.31
180P/NEAT NEAT 7.54
181P/Shoemaker–Levy (Shoemaker–Levy 6) C. Shoemaker, E. Shoemaker & Levy 7.53
182P/LONEOS LONEOS 5.02
183P/Korlevic–Juric Korlevic & Juric 9.58
184P/Lovas (Lovas 2) Lovas 6.62
185P/Petriew Petriew 5.47
186P/Garradd Garradd 10.62
187P/LINEAR LINEAR 9.40
188P/LINEAR–Mueller LINEAR & Mueller 9.13
189P/NEAT NEAT 4.99
190P/Mueller Mueller 8.74
191P/McNaught McNaught 6.64
192P/Shoemaker–Levy (Shoemaker–Levy 1) C. Shoemaker, E. Shoemaker & Levy 17.29
193P/LINEAR–NEAT LINEAR & NEAT 6.56
194P/LINEAR LINEAR [1] 8.00
195P/Hill Hill 16.49
196P/Tichý Tichý IAUC 8917 7.36
197P/LINEAR LINEAR IAUC 8924 4.85
198P/ODAS OCA-DLR Asteroid Survey (ODAS)[2], IAUC 8929 6.78
199P/Shoemaker (Shoemaker 4) C. Shoemaker & E. Shoemaker CBET 1347 14.53
200P/Larsen Larsen 10.92
201P/LONEOS LONEOS [3] 6.47
202P/Scotti Scotti [4] 7.32
203P/Korlevic Korlevic IAUC 8974 10.01
204P/LINEAR–NEAT LINEAR & NEAT IAUC 8974 7.00
205P/Giacobini Giacobini (previously thought lost and designated D/1896 R2) IAUC 8975 6.66
206P/Barnard–Boattini Barnard & Boattini [previously thought lost and designated D/1892 T1 (Barnard 3)] IAUC 8995 5.81
207P/NEAT NEAT IAUC 8996 7.63
208P/McMillan McMillan IAUC 8997, IAUC 9000 8.16
209P/LINEAR LINEAR IAUC 9002 5.04
210P/Christensen Christensen IAUC 9005 5.71
211P/Hill Hill (Catalina Sky Survey) IAUC 9001 6.71
212P/NEAT NEAT IAUC 9010 7.78
213P/Van Ness Van Ness IAUC 9017 6.34
214P/LINEAR LINEAR IAUC 9017 6.84
215P/NEAT NEAT IAUC 9018 8.07
216P/LINEAR LINEAR IAUC 9021 7.63
217P/LINEAR LINEAR 7.83
218P/LINEAR LINEAR 6.11
219P/LINEAR LINEAR 6.98
220P/McNaught McNaught 5.50
221P/LINEAR LINEAR 6.50
222P/LINEAR LINEAR 4.83
223P/Skiff Skiff 8.42
224P/LINEAR–NEAT LINEAR & NEAT 6.30
225P/LINEAR LINEAR 6.99
226P/Pigott–LINEAR–Kowalski Pigott & LINEAR & Kowalski 7.32
227P/Catalina–LINEAR Catalina Sky Survey & LINEAR 6.79
228P/LINEAR LINEAR 8.49
229P/Gibbs Gibbs (Catalina Sky Survey) 7.78
230P/LINEAR LINEAR 6.27
231P/LINEAR–NEAT LINEAR & NEAT 8.08
232P/Hill Hill (Catalina Sky Survey) 9.49
233P/La Sagra La Sagra Sky Survey 5.29
234P/LINEAR LINEAR 7.47
235P/LINEAR LINEAR 8.00
236P/LINEAR LINEAR 7.20
237P/LINEAR LINEAR 6.57
238P/Read Read (Spacewatch) 5.63
239P/LINEAR LINEAR 9.43
240P/NEAT NEAT 7.60
241P/LINEAR LINEAR 10.79
242P/Spahr Spahr 13.20
243P/NEAT NEAT 7.52
244P/Scotti Scotti 10.8
245P/WISE WISE 8.03
246P/NEAT NEAT 8.06
247P/LINEAR LINEAR 7.98
248P/Gibbs Gibbs (Catalina Sky Survey) 14.63
249P/LINEAR LINEAR 4.63
250P/Larson Larson (Catalina Sky Survey) 7.20
251P/LINEAR LINEAR 6.52
252P/LINEAR LINEAR 5.32
253P/PANSTARRS Pan-STARRS 6.47
254P/McNaught McNaught 10.09
255P/Levy Levy 5.29
256P/LINEAR LINEAR 9.96
257P/Catalina Catalina Sky Survey 7.27
258P/PANSTARRS Pan-STARRS 9.22
259P/Garradd Garradd 4.50
260P/McNaught McNaught 7.07
261P/Larson Larson (Mount Lemmon Survey) 6.80
262P/McNaught–Russell McNaught & Russell 18.3
263P/Gibbs Gibbs (Catalina Sky Survey) 5.36
264P/Larsen Larsen 7.68
265P/LINEAR LINEAR 8.77
266P/Christensen Christensen 6.63
267P/LONEOS LONEOS 5.96
268P/Bernardi Bernardi 9.76
269P/Jedicke V. Jedicke & R. Jedicke[3] 19.55
270P/Gehrels Gehrels 17.82
271P/van Houten–Lemmon C. van Houten & I. van Houten-Groeneveld[4] & Mount Lemmon Survey 18.42
272P/NEAT NEAT 9.36
273P/Pons–Gambart Pons & Gambart 188
274P/Tombaugh–Tenagra Tombaugh & Tenagra II Observatory 9.12
275P/Hermann Hermann 13.79
276P/Vorobjov Vorobjov 12.5
277P/LINEAR LINEAR 7.59
278P/McNaught McNaught 7.12
279P/La Sagra La Sagra Sky Survey 6.78
280P/Larsen Larsen 9.63
281P/MOSS Morocco Oukaimeden Sky Survey (MOSS) 10.69
282P 8.76
283P/Spacewatch Spacewatch 8.40
284P/McNaught McNaught 7.04
285P/LINEAR LINEAR 9.52
286P/Christensen Christensen 8.37
287P/Christensen Christensen 8.54
288P/Spacewatch = minor planet (300163) 2006 VW139 Spacewatch 5.32
289P/Blanpain Blanpain 5.33
290P/Jäger Jäger 15.2
291P/NEAT NEAT 9.71
292P/Li Li 15.1
293P/Spacewatch Spacewatch 6.94
294P/LINEAR LINEAR 5.74
295P/LINEAR LINEAR 12.3
296P/Garradd Garradd 6.55
297P/Beshore Beshore (Mount Lemmon Survey) 6.39
298P/Christensen Christensen 6.80
299P/Catalina-PANSTARRS Catalina Sky Survey & PANSTARRS 9.15
300P/Catalina Catalina Sky Survey 4.42
301P/LINEAR–NEAT LINEAR & NEAT 13.7
302P/Lemmon-PANSTARRS Mount Lemmon Survey/PANSTARRS 8.86
303P/NEAT NEAT 11.4
304P/Ory Ory 5.84
305P/Skiff Skiff 9.91
306P/LINEAR LINEAR 5.48
307P/LINEAR LINEAR 14.0
308P/Lagerkvist-Carsenty Lagerkvist and Carsenty 17.1

Unnumbered periodic comets[edit]

Comet Discoverer(s) or Namesake Period Next periehlion
P/2011 N1 (ASH) de la Cueva, Ortiz, Santos Sanz & Morales 15.8 2028
D/1884 O1 (Barnard), earlier Barnard 1 Barnard
P/2001 W2 (BATTeRS) BATTeRS 76.0 2078
P/2008 O3 (Boattini) Boattini (Mount Lemmon Survey) 23.4 2032
P/2008 T1 (Boattini) Boattini (Mount Lemmon Survey) [5] 8.7 November 2016
P/2008 Y1 (Boattini) Boattini (Mount Lemmon Survey) 10.5 November 2019
P/2009 B1 (Boattini) Boattini (Catalina Sky Survey) 17.3 2026
P/2009 Q4 (Boattini) Boattini (Catalina Sky Survey) 5.56 June 2014
P/2010 U1 (Boattini) Boattini (Mount Lemmon Survey) 17.2 2027
P/2011 V1 (Boattini) Boattini (Mount Lemmon Survey) 7.53 2018
P/2011 Y2 (Boattini) Boattini (Mount Lemmon Survey) 15.5 2026
P/1984 A1 (Bradfield), earlier Bradfield 1 Bradfield 151.8 2135
P/1989 A3 (Bradfield), earlier Bradfield 2 Bradfield 81.9 2070
P/2011 U2 (Bressi) Bressi (Spacewatch) 12.7 2023
D/1886 K1 (Brooks), earlier Brooks 1 Brooks
P/2005 T5 (Broughton) Broughton 19.5 2025
P/1999 V1 (Catalina) Catalina Sky Survey (Hergenrother) 16.8 2017
P/1999 XN120 (Catalina) Catalina Sky Survey 8.5 2017
P/2005 N5 (Catalina) Catalina Sky Survey 153.6 2160
P/2007 C2 (Catalina) Catalina Sky Survey [6] 18.6 2026
P/2007 T6 (Catalina) Catalina Sky Survey [7] 9.5 2017
P/2007 VQ11 (Catalina) Catalina Sky Survey [8] 12.6 2020
P/2008 E1 (Catalina) Catalina Sky Survey [9] 34.9 2043
P/2009 WX51 (Catalina) Catalina Sky Survey 5.4 June 2015
P/2011 CR42 (Catalina) Catalina Sky Survey 6.6 2017
P/2013 AL76 (Catalina) Catalina Sky Survey 16.5 2028
P/2008 S1 (Catalina–McNaught) Catalina Sky Survey & McNaught [10] 6.7 2015
P/2005 JD108 (Catalina–NEAT) Catalina Sky Survey & NEAT 16.3 2021
P/2013 R3 (Catalina–PANSTARRS) Catalina Sky Survey & PANSTARRS 5.3 2018
P/2005 O2 (Christensen) Christensen 115.5 2117
P/2005 T2 (Christensen) Christensen 7.5 2019
P/2005 W2 (Christensen) Christensen 82.6 2087
P/2006 F2 (Christensen) Christensen 43.3 2049
P/2006 S1 (Christensen) Christensen 6.5 2019
P/2006 S4 (Christensen) Christensen 15.6 2022
P/2007 A2 (Christensen) Christensen 15.9 2022
P/2007 B1 (Christensen) Christensen [11] 14.1 2021
D/1894 F1 (Denning) Denning
P/1921 H1 (Dubiago) Dubiago
P/2011 NO1 (Elenin) Elenin & Molotov 13.2 2024
P/2007 R4 (Garradd) Garradd [12] 14.1 2021
P/2006 U7 (Gibbs) Gibbs (Mount Lemmon Survey) 41.5 2049
P/2006 W1 (Gibbs) Gibbs (Catalina Sky Survey) 14.0 2020
P/2007 K2 (Gibbs) Gibbs (Catalina Sky Survey) [13] 19/.0 2026
P/2007 R2 (Gibbs) Gibbs (Catalina Sky Survey) 6.4 January 2014
P/2007 R3 (Gibbs) Gibbs (Mount Lemmon Survey) [14] 8.9 May 2016
P/2007 T4 (Gibbs) Gibbs (Catalina Sky Survey) [15] 12.0 2019
P/2008 Y2 (Gibbs) Gibbs (Catalina Sky Survey) 6.8 November 2015
P/2009 K1 (Gibbs) Gibbs (Mount Lemmon Survey) 7.0 July 2016
P/2011 C2 (Gibbs) Gibbs (Mount Lemmon Survey) 20.0 2022
P/2011 S1 (Gibbs) Gibbs (Mount Lemmon Survey) 25.4 2029
P/2012 F5 (Gibbs) Gibbs (Mount Lemmon Survey) 5.2 2020
P/2012 K3 (Gibbs) Gibbs (Mount Lemmon Survey) 6.9 2019
P/2007 Q2 (Gilmore) Gilmore 13.2 2020
D/1978 R1 (Haneda–Campos) Haneda & Campos
D/1952 B1 (Harrington–Wilson) Harrington & Wilson
D/1766 G1 (Helfenzrieder) Helfenzrieder
P/2006 D1 (Hill) Hill (Catalina Sky Survey) 13.1 2018
P/2006 S6 (Hill) Hill (Catalina Sky Survey) 8.5 April 2015
P/2007 V2 (Hill) Hill (Mount Lemmon Survey) [16] 8.2 October 2015
P/2008 L2 (Hill) Hill (Catalina Sky Survey) 14.7 2023
P/2008 T4 (Hill) Hill (Catalina Sky Survey) [17] 9.4 2018
P/2009 O3 (Hill) Hill (Catalina Sky Survey) 21.9 2031
P/2009 Q1 (Hill) Hill (Catalina Sky Survey) 13.1 2022
P/2010 A1 (Hill) Hill (Catalina Sky Survey) 9.1 2018
P/2010 A3 (Hill) Hill (Catalina Sky Survey) 14.9 2025
P/2010 U2 (Hill) Hill (Catalina Sky Survey) 8.8 2019
P/2014 A2 (Hill) Hill (Catalina Sky Survey) 14.4 2028
P/2014 L3 (Hill) Hill (Catalina Sky Survey) 22.8 2037
P/2010 V1 (Ikeya–Murakami) Ikeya & Murakami 5.4 March 2016
P/2010 E2 (Jarnac) Jarnac Observatory (D. Levy, W. Levy & T. Glinos) 2035 25.4
P/1997 B1 (Kobayashi) Kobayashi 25.2 2022
P/2005 W3 (Kowalski) Kowalski (Catalina Sky Survey) 16.2 2021
P/2006 F1 (Kowalski) Kowalski (Mount Lemmon Survey) 10.1 2018
P/2007 T2 (Kowalski) Kowalski (Catalina Sky Survey) [18] 5.4 2018
P/2009 Y2 (Kowalski) Kowalski (Mount Lemmon Survey) 16.6 2026
P/2011 S2 (Kowalski) Kowalski (Catalina Sky Survey) 65.8 2077
P/2009 T2 (La Sagra) La Sagra Sky Survey 20.9 2031
P/2010 R2 (La Sagra) La Sagra Sky Survey 5.4 November 2015
P/2012 NJ (La Sagra) La Sagra Sky Survey 24.8 2037
P/2012 S2 (La Sagra) La Sagra Sky Survey 9.3 2021
P/1996 R2 (Lagerkvist) Lagerkvist 7.3 2018
P/2004 C1 (Larsen) Larsen 38.0 2043
P/2007 R1 (Larson) Larson (Mount Lemmon Survey)[19] 14.8 2027
P/2007 V1 (Larson) Larson (Catalina Sky Survey)[20] 11.1 2019
P/2014 E1 (Larson) Steve Larson (Catalina Sky Survey) 7.0 2021
P/2007 S2 (Lemmon) Mount Lemmon Survey 44.4 2052
P/2008 CL94 (Lemmon) Mount Lemmon Survey 15.4 2021
P/2011 FR143 (Lemmon) Mount Lemmon Survey 17.8 2028
P/2011 VJ5 (Lemmon) Mount Lemmon Survey 6.3 2017
P/2012 SB6 (Lemmon) Mount Lemmon Survey 7.7 2019
P/2013 TL117 (Lemmon) Mount Lemmon Survey 6.8 2019
P/2012 WA34 (Lemmon-PANSTARRS) Mount Lemmon Survey/PANSTARRS 10.5 2023
P/1991 L3 (Levy) Levy 51.3 2042
D/1770 L1 (Lexell) Lexell
P/1999 E1 (Li) Li 65.9 2065
P/1998 G1 (LINEAR) LINEAR 42.0 2040
P/1998 VS24 (LINEAR) LINEAR 9.6 2018
P/1998 Y1 (LINEAR) LINEAR 110.0 2109
P/1999 G1 (LINEAR) LINEAR 132.2 2131
P/1999 S3 (LINEAR) LINEAR 82.5 2080
P/2000 D2 (LINEAR) LINEAR 71.8 2052
P/2000 G2 (LINEAR) LINEAR 53.75 2052
P/2000 R2 (LINEAR) LINEAR 6.1 2019
P/2002 EJ57 (LINEAR) LINEAR 16.5 2018
P/2002 T5 (LINEAR) LINEAR 18.5 2021
P/2004 FY140 (LINEAR) LINEAR 11.0 July 2015
P/2004 WR9 (LINEAR) LINEAR 14.9 2020
P/2003 O3 (LINEAR) LINEAR 5.5 July 2014
P/2005 Q4 (LINEAR) LINEAR 9.4 February 2015
P/2008 R3 (LINEAR) LINEAR [21] 79.0 2087
P/2008 WZ96 (LINEAR) LINEAR 6.1 March 2015
P/2010 A2 (LINEAR) LINEAR 3.5 November 2016
P/2010 A5 (LINEAR) LINEAR 11.5 2022
P/2010 WK (LINEAR) LINEAR 13.7 2024
P/2011 J3 (LINEAR) LINEAR 86.8 2098
P/2003 WC7 (LINEAR–Catalina) LINEAR & Catalina Sky Survey 11.8 2027
P/2010 TO20 (LINEAR–Grauer) LINEAR & Grauer (Mt. Lemmon Sky Survey) 13.6 2022
P/2004 V5 (LINEAR–Hill) LINEAR & Hill 22.4 2027
P/2008 QP20 (LINEAR–Hill) LINEAR & Hill [22] 6.5 May 2015
P/2004 R3 (LINEAR–NEAT) LINEAR & NEAT 7.5 2019
P/2004 T1 (LINEAR–NEAT) LINEAR & NEAT 6.4 2017
P/2001 R6 (LINEAR–Skiff) LINEAR & Skiff 8.3 2017
P/2000 S4 (LINEAR–Spacewatch) LINEAR & Spacewatch 19.0 2019
P/1999 RO28 (LONEOS) LONEOS 6.6 2018
P/2000 S3 (LONEOS) LONEOS 39.9 2040
P/2001 OG108 (LONEOS) LONEOS 48.5 2050
P/2004 A1 (LONEOS) LONEOS 22.2 2027
P/2004 VR8 (LONEOS) LONEOS 10.7 December 2016
P/2005 GF8 (LONEOS) LONEOS 14.2 2019
P/2005 SB216 (LONEOS) LONEOS 19.0 2026
P/2005 RV25 (LONEOS–Christensen) LONEOS & Christensen 9.0 October 2015
P/2005 XA54 (LONEOS–Hill) LONEOS & Hill 15.2 2021
P/1998 QP54 (LONEOS–Tucker) LONEOS & Tucker 8.6 December 2015
P/2010 J3 (McMillan) McMillan (Spacewatch) 26.9 2037
P/2004 R1 (McNaught) McNaught 5.5 August 2015
P/2005 J1 (McNaught) McNaught 6.7 2018
P/2005 L1 (McNaught) McNaught 7.9 2020
P/2005 Y2 (McNaught) McNaught 15.8 2020
P/2006 G1 (McNaught) McNaught 10.6 2017
P/2006 H1 (McNaught) McNaught 13.6 2019
P/2008 J3 (McNaught) McNaught 7.7 November 2016
P/2008 O2 (McNaught) McNaught 9.5 2018
P/2008 Y3 (McNaught) McNaught 22.75 2031
P/2009 Q5 (McNaught) McNaught 20.4 2029
P/2009 S2 (McNaught) McNaught 8.5 2017
P/2009 U4 (McNaught) McNaught 11.5 2021
P/2010 J5 (McNaught) McNaught 8.3 2018
P/2011 L1 (McNaught) McNaught 36.7 2048
P/2011 P1 (McNaught) McNaught 23.0 2034
P/2011 Q3 (McNaught) McNaught 11.4 2022
P/2012 O1 (McNaught) McNaught 6.7 2019
P/2012 O2 (McNaught) McNaught 6.8 2019
P/2012 O3 (McNaught) McNaught 9.7 2022
P/2013 J2 (McNaught) McNaught 15.6 2029
P/1994 N2 (McNaught–Hartley) McNaught & Hartley 20.8 November 2015
D/1917 F1 (Mellish) Mellish
P/1997 G1 (Montani) Montani 19.4 October 2016
P/2001 F1 (NEAT) NEAT 16.4 2017
P/2001 H5 (NEAT) NEAT 14.7 October 2015
P/2001 M10 (NEAT) NEAT 138.0 2138
P/2001 Q6 (NEAT) NEAT 22.6 2024
P/2001 Q11 (NEAT) NEAT (Meyer, on archive images) 6.2 April 2014
P/2001 T3 (NEAT) NEAT 16.6 2018
P/2002 K4 (NEAT) NEAT 73.4 2075
P/2003 E1 (NEAT) NEAT 50.9 2055
P/2003 F2 (NEAT) NEAT 16.6 2019
P/2003 QX29 (NEAT) NEAT 22.7 2025
P/2003 S2 = P/2010 P5 (NEAT) NEAT 7.5 2018
P/2005 R1 (NEAT) NEAT 12.9 2018
P/2002 T6 (NEAT–LINEAR) NEAT & LINEAR 21.2 2024
P/2011 R3 (Novichonok-Gerke) Novichonok & Gerke 10.7 2021
P/2003 SQ215 (NEAT–LONEOS) NEAT & LONEOS 12.9 2017
P/2014 L2 (NEOWISE) NEOWISE 7.1 2021
P/2010 T2 (PANSTARRS) Pan-STARRS 13.0 2023
P/2011 P2 (PANSTARRS) Pan-STARRS 30.6 2041
P/2011 U1 (PANSTARRS) Pan-STARRS 8.1 2019
P/2011 W1 (PANSTARRS) Pan-STARRS 10.0 2021
P/2012 B1 (PANSTARRS) Pan-STARRS 16.5 2028
P/2012 C3 (PANSTARRS) Pan-STARRS 30.2 2042
P/2012 F2 (PANSTARRS) Pan-STARRS 15.9 2029
P/2012 G1 (PANSTARRS) Pan-STARRS 8.5 2020
P/2012 T1 (PANSTARRS) Pan-STARRS 5.6 2018
P/2012 T2 (PANSTARRS) Pan-STARRS 13.8 2027
P/2012 T3 (PANSTARRS) Pan-STARRS 16.9 2029
P/2012 U2 (PANSTARRS) Pan-STARRS 20.0 2031
P/2013 CU129 (PANSTARRS) Pan-STARRS 4.9 2018
P/2013 G4 (PANSTARRS) Pan-STARRS 9.3 2022
P/2013 J4 (PANSTARRS) Pan-STARRS 16.4 2029
P/2013 N3 (PANSTARRS) Pan-STARRS 20.2 2033
P/2013 N5 (PANSTARRS) Pan-STARRS 17.7 2031
P/2013 O2 (PANSTARRS) Pan-STARRS 7.5 2021
P/2013 P1 (PANSTARRS) Pan-STARRS 25.2 2038
P/2013 P5 (PANSTARRS) Pan-STARRS 3.2 2016
P/2013 T1 (PANSTARRS) Pan-STARRS 14.2 2027
P/2013 W1 (PANSTARRS) Pan-STARRS 6.5 2020
P/2014 A3 (PANSTARRS) Pan-STARRS 9.0 2023
P/2014 M4 (PANSTARRS) Pan-STARRS 6.3 2020
P/2005 S3 (Read) Read (Spacewatch) 10.9 November 2016
P/2005 T3 (Read) Read 20.6 2026
P/2011 W2 (Rinner) Rinner 7.4 2018
D/1918 W1 (Schorr) Schorr
P/2013 T2 (Schwartz) Schwartz (Tenagra) 6.25 2020
P/2003 L1 (Scotti) Scotti (Spacewatch) 17.3 2020
P/2010 C1 (Scotti) Scotti (Spacewatch) 18.8 2028
P/2010 E5 (Scotti) Scotti (Spacewatch) 123.0 2133
P/2010 H4 (Scotti) Scotti (Spacewatch) 17.0 2027
P/2010 H5 (Scotti) Scotti (Spacewatch) 19.1 2029
P/2011 A2 (Scotti) Scotti (Spacewatch) 5.5 June 2016
P/2013 A2 (Scotti) Scotti (Spacewatch) 8.0 2021
D/1993 F2 (Shoemaker–Levy), earlier Shoemaker–Levy 9 C. Shoemaker, E. Shoemaker & Levy
P/2004 V3 (Siding Spring) Siding Spring Survey 19.0 2023
P/2006 HR30 (Siding Spring) Siding Spring Survey 21.9 2028
P/2006 R1 (Siding Spring) Siding Spring Survey 13.3 2019
P/2012 US27 (Siding Spring) Siding Spring Survey 11.8 2024
P/2000 S1 (Skiff) Skiff 16.9 2017
P/2005 S2 (Skiff) Skiff 22.5 2029
D/1977 C1 (Skiff-Kosai) Skiff & Kosai
P/1999 R1 = P/2003 R5 = P/2007 R5 (SOHO) SOHO [23] 4.0 September 2015
P/1999 X3 = P/2004 E2 = P/2008 K10 (SOHO) SOHO [24] 4.2 2018
P/1999 J6 = P/2004 V9 = P/2010 H3 (SOHO) SOHO [25] 5.5 September 2015
P/2000 O3 = P/2005 W4 = P/2011 E1 (SOHO) SOHO [26] 5.3 July 2016
P/2003 T12 = P/2012 A3 (SOHO) SOHO 4.1 March 2016
P/2005 JN (Spacewatch) Spacewatch 6.5 2018
P/2006 F4 (Spacewatch) Spacewatch 6.6 2019
P/2010 UH55 (Spacewatch) Spacewatch 16.6 2026
P/2013 YG46 (Spacewatch) Spacewatch 5.9 2019
P/2011 JB15 (Spacewatch–Boattini) Spacewatch & Boattini 20.0 2031
P/2009 SK280 (Spacewatch–Hill) Spacewatch & Hill 10.5 2020
P/2004 DO29 (Spacewatch–LINEAR) Spacewatch & LINEAR 20.3 2024
P/2011 UA134 (Spacewatch–PANSTARRS) Spacewatch & Pan-STARRS 12.9 2025
P/2005 T4 (SWAN) SWAN instrument of SOHO satellite (Matson & Mattiazzo) 28.7 2034
D/1895 Q1 (Swift) Swift
P/2012 TK8 (Tenagra) Tenagra II Observatory 8.6 2021
P/2013 EW90 (Tenagra) Tenagra II Observatory 8.3 2021
P/2014 C1 (TOTAS) TOTAS 6.4 2020
P/2005 E1 (Tubbiolo) Tubbiolo 19.4 2023
P/2010 H2 (Vales) Vales (Črni Vrh Observatory) 7.6 2017
P/1942 EA (Väisälä), earlier Väisälä 2 Väisälä
P/2002 Q1 (Van Ness) Van Ness 6.7 December 2015
P/1937 D1 (Wilk) Wilk
P/2010 B2 (WISE) WISE 5.5 June 2015
P/2010 D1 (WISE) WISE 8.4 2017
P/2010 D2 (WISE) WISE 17.3 2027
P/2010 JC81 (WISE) WISE 23.2 2033
P/2010 K2 (WISE) WISE 5.1 August 2015
P/2010 N1 (WISE) WISE 5.7 July 2016
P/2010 P4 (WISE) WISE 7.1 2017
P/2009 L2 (Yang–Gao) Yang & Gao 6.6 August 2015
P/2007 S1 (Zhao) Zhao[27] 7.41 May 2015

See also[edit]

References[edit]

  1. ^ a b "Cometary Designation System". Minor Planet Center. Retrieved 2011-07-03. 
  2. ^ Comet names and designations
  3. ^ http://www.cometography.com/pcomets/96a1.html
  4. ^ Vsekhsvyatsky, S. K. (1967). Comets of 1961–1970. Physical characteristics of comets. Moscow: Nauka. p. 25. 

External links[edit]