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 |
|
72D/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 |
|