Cometa periòdic

Els cometes periòdics són cometes que tenen uns períodes orbitals de menys de 200 anys (també coneguts com a cometes de període curt) o que s'ha observat el seu pas pel periheli més d'una vegada, com per exemple el Cometa de Halley.[1]

Els cometes reben una designació provisional en ser descoberts formada per l'any de la descoberta seguit d'una lletra en minúscula que identifica la quinzena del mes de la descoberta i un nombre progressiu que es refereix a les descobertes fetes en la mateixa quinzena del mes. Als cometes periòdics se'ls afegeix el prefix P/ i als no periòdics el prefix C/. Els cometes que s'han perdut o s'han desintegrat reben el prefix D/, els cometes l'òrbita dels quals no és del tot fiable com els cometes històrics reben el prefix X/ i per acabar reben un prefix A/ aquells objectes confosos amb cometes però que en realitat són considerats actualment planetes menors.[2] P/2005 T5 (Broughton). En la majoria dels casos, els cometes reben el nom del seu descobridor, però en alguns casos come el 2P/Encke i el 27P/Crommelin tenen el nom de la persona que calculà la seva òrbita.

Els cometes periòdics a vegades porten el mateix nom repetidament (nou cometes Shoemaker-Levy o vint-i-quatre cometes NEAT); El sistema IAU els distingeix pel prefix o per la designació completa (181P i 192P són ambdós "Cometes Shoemaker-Levy").

Les òrbites dels cometes són difícils de calcular a llarg termini a causa dels errors en la trajectòria coneguda que s'acumulen amb les pertorbacions dels planetes. Alguns cometes s'han perdut perquè les seves òrbites han estat afectades per efectes no gravitacionals com l'expulsió de gasos o altres materials que formen la coma del cometes i la seva cua. Això no obstant, es pot predir el pas proper pel periheli d'un cometa periòdic amb força precisió.

Cometes periòdics numerats

Cometa	Descobridor/s	Trobades amb sondes
1P/Halley	Halley	Giotto (apropament al 1986), Vega 1 (apropament al 1986), Vega 2 (apropament al 1986), ICE (apropament al 1986), Sakigake (apropament distant al 1986)
2P/Encke	Encke
3D/Biela	Biela
4P/Faye	Faye
5D/Brorsen	Brorsen
6P/d'Arrest	d'Arrest
7P/Pons–Winnecke	Pons i Winnecke
8P/Tuttle	Tuttle
9P/Tempel (Tempel 1)	Tempel	Deep Impact (impacte/apropament al 2005), Stardust (apropament al 2011)
10P/Tempel (Tempel 2)	Tempel
11P/Tempel–Swift–LINEAR	Tempel i Swift i LINEAR
12P/Pons–Brooks	Pons i Brooks
13P/Olbers	Olbers
14P/Wolf	Wolf
15P/Finlay	Finlay
16P/Brooks (Brooks 2)	Brooks
17P/Holmes	Holmes
18D/Perrine–Mrkos	Perrine i Mrkos
19P/Borrelly	Borrelly Deep Space 1 (2001)
20D/Westphal	Westphal
21P/Giacobini–Zinner	Giacobini i Zinner	ICE (apropament distant al 1985)
22P/Kopff	Kopff	CRAF (trobada/aterratge 2000 – cancel·lat)
23P/Brorsen–Metcalf	Brorsen i Metcalf
24P/Schaumasse	Schaumasse
25D/Neujmin (Neujmin 2)	Neujmin
26P/Grigg–Skjellerup	Grigg i Skjellerup	Giotto (apropament al 1992)
27P/Crommelin	Crommelin
28P/Neujmin (Neujmin 1)	Neujmin
29P/Schwassmann–Wachmann (Schwassmann–Wachmann 1)	Schwassmann i Wachmann
30P/Reinmuth (Reinmuth 1)	Reinmuth
31P/Schwassmann–Wachmann (Schwassmann–Wachmann 2)	Schwassmann i Wachmann
32P/Comas Solá	Comas Solà
33P/Daniel	Daniel
34D/Gale	Gale
35P/Herschel–Rigollet	Herschel i Rigollet
36P/Whipple	Whipple
37P/Forbes	Forbes
38P/Stephan–Oterma	Stephan i Oterma
39P/Oterma	Oterma
40P/Väisälä (Väisälä 1)	Väisälä
41P/Tuttle–Giacobini–Kresák	Tuttle i Giacobini i Kresák
42P/Neujmin (Neujmin 3)	Neujmin
43P/Wolf–Harrington	Wolf i Harrington
44P/Reinmuth (Reinmuth 2)	Reinmuth
45P/Honda–Mrkos–Pajdušáková	Honda i Mrkos i Pajdušáková
46P/Wirtanen	Wirtanen	ICE (apropament distant al 2018 – proposat)
47P/Ashbrook–Jackson	Ashbrook i Jackson
48P/Johnson	Johnson
49P/Arend–Rigaux	Arend i Rigaux
50P/Arend	Arend
51P/Harrington	Harrington
52P/Harrington–Abell	Harrington i Abell
53P/Van Biesbroeck	Van Biesbroeck
54P/de Vico–Swift–NEAT	de Vico i Swift i NEAT
55P/Tempel–Tuttle	Tempel i Tuttle
56P/Slaughter–Burnham	Slaughter i Burnham
57P/du Toit–Neujmin–Delporte	du Toit i Neujmin i Delporte
58P/Jackson–Neujmin	Jackson i Neujmin
59P/Kearns–Kwee	Kearns i Kwee
60P/Tsuchinshan (Tsuchinshan 2)	Tsuchinshan
61P/Shajn–Schaldach	Shajn i Schaldach
62P/Tsuchinshan (Tsuchinshan 1)	Tsuchinshan
63P/Wild (Wild 1)	Wild
64P/Swift–Gehrels	Swift i Gehrels
65P/Gunn	Gunn
66P/du Toit	du Toit
67P/Txuriúmov-Herassimenko	Txuriúmov i Herassimenko	Rosetta (orbitador 2014)
68P/Klemola	Klemola
69P/Taylor	Taylor
70P/Kojima	Kojima
71P/Clark	Clark
72D/Denning–Fujikawa	Denning i Fujikawa
73P/Schwassmann–Wachmann (Schwassmann–Wachmann 3)	Schwassmann i Wachmann
74P/Smirnova–Chernykh	Smirnova i Txernikh
75D/Kohoutek	Kohoutek
76P/West–Kohoutek–Ikemura	West i Kohoutek i Ikemura
77P/Longmore	Longmore
78P/Gehrels (Gehrels 2)	Gehrels
79P/du Toit–Hartley	du Toit i Hartley
80P/Peters–Hartley	Peters i Hartley
81P/Wild (Wild 2)	Wild	Stardust (apropament al/mostra retorn 2004)
82P/Gehrels (Gehrels 3)	Gehrels
83D/Russell (Russell 1)	Russell
84P/Giclas	Giclas
85P/Boethin	Boethin
86P/Wild (Wild 3)	Wild
87P/Bus	Bus
88P/Howell	Howell
89P/Russell (Russell 2)	Russell
90P/Gehrels (Gehrels 1)	Gehrels
91P/Russell (Russell 3)	Russell
92P/Sanguin	Sanguin
93P/Lovas (Lovas 1)	Lovas
94P/Russell (Russell 4)	Russell
95P/Quiró = planeta menor (2060) Quiró	Kowal
96P/Machholz (Machholz 1)	Machholz
97P/Metcalf–Brewington	Metcalf i Brewington
98P/Takamizawa	Takamizawa
99P/Kowal (Kowal 1)	Kowal
100P/Hartley (Hartley 1)	Hartley
101P/Chernykh	Txernikh
102P/Shoemaker (Shoemaker 1)	C. Shoemaker i E. Shoemaker
103P/Hartley (Hartley 2)	Hartley	Deep Impact (apropament al 2010)
104P/Kowal (Kowal 2)	Kowal
105P/Singer Brewster	Singer-Brewster
106P/Schuster	Schuster
107P/Wilson–Harrington = planeta menor 4015 Wilson–Harrington	Helin i Wilson i Harrington
108P/Ciffréo	Ciffréo
109P/Swift–Tuttle	Swift i Tuttle
110P/Hartley (Hartley 3)	Hartley
111P/Helin–Roman–Crockett	Helin i Roman i Crockett
112P/Urata–Niijima	Urata i Niijima
113P/Spitaler	Spitaler
114P/Wiseman–Skiff	Wiseman i Skiff
115P/Maury	Maury
116P/Wild (Wild 4)	Wild
117P/Helin–Roman–Alu (Helin–Roman–Alu 1)	Helin i Roman i Alu
118P/Shoemaker–Levy (Shoemaker–Levy 4)	C. Shoemaker, E. Shoemaker i Levy
119P/Parker–Hartley	Parker i Hartley
120P/Mueller (Mueller 1)	Mueller
121P/Shoemaker–Holt (Shoemaker–Holt 2)	C.Shoemaker, E.Shoemaker i Holt
122P/de Vico	de Vico
123P/West–Hartley	West i Hartley
124P/Mrkos	Mrkos
125P/Spacewatch	Spacewatch
126P/IRAS	IRAS
127P/Holt–Olmstead	Holt i Olmstead
128P/Shoemaker–Holt (Shoemaker–Holt 1)	C. Shoemaker, E. Shoemaker i Holt
129P/Shoemaker–Levy (Shoemaker–Levy 3)	C. Shoemaker, E. Shoemaker i Levy
130P/McNaught–Hughes	McNaught i Hughes
131P/Mueller (Mueller 2)	Mueller
132P/Helin–Roman–Alu (Helin–Roman–Alu 2)	Helin i Roman i Alu
133P/Elst–Pizarro = minor planet 7968 Elst–Pizarro	Elst i Pizarro
134P/Kowal–Vávrová	Kowal i Vávrová
135P/Shoemaker–Levy (Shoemaker–Levy 8)	C. Shoemaker, E. Shoemaker i Levy
136P/Mueller (Mueller 3)	Mueller
137P/Shoemaker–Levy (Shoemaker–Levy 2)	C. Shoemaker, E. Shoemaker i Levy
138P/Shoemaker–Levy (Shoemaker–Levy 7)	C. Shoemaker, E. Shoemaker i Levy
139P/Väisälä–Oterma	Väisälä i Oterma
140P/Bowell–Skiff	Bowell i Skiff
141P/Machholz (Machholz 2)	Machholz
142P/Ge–Wang	Ge i Wang
143P/Kowal–Mrkos	Kowal i Mrkos
144P/Kushida	Kushida
145P/Shoemaker–Levy (Shoemaker–Levy 5)	C. Shoemaker, E. Shoemaker i Levy
146P/Shoemaker–LINEAR	C. Shoemaker, E. Shoemaker i LINEAR
147P/Kushida–Muramatsu	Kushida i Muramatsu
148P/Anderson–LINEAR	Anderson i LINEAR
149P/Mueller (Mueller 4)	Mueller
150P/LONEOS	LONEOS
151P/Helin	Helin
152P/Helin–Lawrence	Helin i Lawrence
153P/Ikeya–Zhang	Ikeya i Zhang
154P/Brewington	Brewington
155P/Shoemaker (Shoemaker 3)	C. Shoemaker i E. Shoemaker
156P/Russell–LINEAR	Russell i LINEAR
157P/Tritton	Tritton
158P/Kowal–LINEAR	Kowal i LINEAR
159P/LONEOS	LONEOS
160P/LINEAR	LINEAR
161P/Hartley–IRAS	Hartley i IRAS
162P/Siding Spring	Siding Spring
163P/NEAT	NEAT
164P/Christensen	Christensen
165P/LINEAR	LINEAR
166P/NEAT	NEAT
167P/CINEOS	CINEOS
168P/Hergenrother	Hergenrother
169P/NEAT	NEAT
170P/Christensen	Christensen
171P/Spahr	Spahr
172P/Yeung	Yeung
173P/Mueller (Mueller 5)	Mueller
174P/Echeclus = planeta menor (60558) Echeclus	Spacewatch
175P/Hergenrother	Hergenrother
176P/LINEAR = planeta menor 118401 LINEAR	LINEAR
177P/Barnard (Barnard 2)	Barnard
178P/Hug–Bell	Hug i Bell
179P/Jedicke	Jedicke
180P/NEAT	NEAT
181P/Shoemaker–Levy (Shoemaker–Levy 6)	C. Shoemaker, E. Shoemaker i Levy
182P/LONEOS	LONEOS
183P/Korlević–Jurić	Korlević i Jurić
184P/Lovas (Lovas 2)	Lovas
185P/Petriew	Petriew
186P/Garradd	Garradd
187P/LINEAR	LINEAR
188P/LINEAR–Mueller	LINEAR i Mueller
189P/NEAT	NEAT
190P/Mueller	Mueller
191P/McNaught	McNaught
192P/Shoemaker–Levy (Shoemaker–Levy 1)	C. Shoemaker, E. Shoemaker i Levy
193P/LINEAR–NEAT	LINEAR i NEAT
194P/LINEAR	LINEAR ^[1]
195P/Hill	Hill
196P/Tichý	Tichý ^IAUC 8917
197P/LINEAR	LINEAR ^IAUC 8924
198P/ODAS	OCA-DLR Asteroid Survey (ODAS)^[2], IAUC 8929
199P/Shoemaker (Shoemaker 4)	C. Shoemaker i E. Shoemaker ^CBET 1347
200P/Larsen	Larsen
201P/LONEOS	LONEOS ^[3]
202P/Scotti	Scotti ^[4]
203P/Korlević	Korlević ^IAUC 8974
204P/LINEAR–NEAT	LINEAR i NEAT ^IAUC 8974
205P/Giacobini	Giacobini (prèviament perdut i designat com D/1896 R2) ^IAUC 8975
206P/Barnard–Boattini	Barnard i Boattini [prèviament perdut i designat com D/1892 T1 (Barnard 3)] ^IAUC 8995
207P/NEAT	NEAT ^IAUC 8996
208P/McMillan	McMillan ^IAUC 8997, IAUC 9000
209P/LINEAR	LINEAR ^IAUC 9002
210P/Christensen	Christensen ^IAUC 9005
211P/Hill	Hill (Catalina Sky Survey) ^IAUC 9001
212P/NEAT	NEAT ^IAUC 9010
213P/Van Ness	Van Ness ^IAUC 9017
214P/LINEAR	LINEAR ^IAUC 9017
215P/NEAT	NEAT ^IAUC 9018
216P/LINEAR	LINEAR ^IAUC 9021
217P/LINEAR	LINEAR
218P/LINEAR	LINEAR
219P/LINEAR	LINEAR
220P/McNaught	McNaught
221P/LINEAR	LINEAR
222P/LINEAR	LINEAR
223P/Skiff	Skiff
224P/LINEAR–NEAT	LINEAR i NEAT
225P/LINEAR	LINEAR
226P/Pigott–LINEAR–Kowalski	Pigott i LINEAR i Kowalski
227P/Catalina–LINEAR	Catalina Sky Survey i LINEAR
228P/LINEAR	LINEAR
229P/Gibbs	Gibbs (Catalina Sky Survey)
230P/LINEAR	LINEAR
231P/LINEAR–NEAT	LINEAR i NEAT
232P/Hill	Hill (Catalina Sky Survey)
233P/La Sagra	La Sagra Sky Survey
234P/LINEAR	LINEAR
235P/LINEAR	LINEAR
236P/LINEAR	LINEAR
237P/LINEAR	LINEAR
238P/Read	Read (Spacewatch)
239P/LINEAR	LINEAR
240P/NEAT	NEAT
241P/LINEAR	LINEAR
242P/Spahr	Spahr
243P/NEAT	NEAT
244P/Scotti	Scotti
245P/WISE	WISE
246P/NEAT	NEAT
247P/LINEAR	LINEAR
248P/Gibbs	Gibbs (Catalina Sky Survey)
249P/LINEAR	LINEAR
250P/Larson	Larson (Catalina Sky Survey)
251P/LINEAR	LINEAR
252P/LINEAR	LINEAR

Cometes periòdics no numerats

Cometa	Descobridor/s
D/1884 O1 (Barnard), al principi Barnard 1	Barnard
P/2001 W2 (BATTeRS)	BATTeRS
P/2005 V1 (Bernardi)	Bernardi
P/2008 J2 (Beshore)	Beshore (Mount Lemmon Survey)
D/1819 W1 (Blanpain)	Blanpain
P/2008 O3 (Boattini)	Boattini (Mount Lemmon Survey)
P/2008 T1 (Boattini)	Boattini (Mount Lemmon Survey) ^[5]
P/2009 B1 (Boattini)	Boattini (Catalina Sky Survey)
P/2009 Q4 (Boattini)	Boattini (Catalina Sky Survey)
P/2010 U1 (Boattini)	Boattini (Mount Lemmon Survey)
P/1984 A1 (Bradfield), al principi Bradfield 1	Bradfield
P/1989 A3 (Bradfield), al principi Bradfield 2	Bradfield
D/1886 K1 (Brooks), al principi Brooks 1	Brooks
P/2005 T5 (Broughton)	Broughton
P/1999 V1 (Catalina)	Catalina Sky Survey (Hergenrother)
P/1999 XN120 (Catalina)	Catalina Sky Survey
P/2005 JQ5 (Catalina)	Catalina Sky Survey
P/2005 JY126 (Catalina)	Catalina Sky Survey
P/2005 N5 (Catalina)	Catalina Sky Survey
P/2007 C2 (Catalina)	Catalina Sky Survey ^[6]
P/2007 T6 (Catalina)	Catalina Sky Survey ^[7]
P/2007 VQ11 (Catalina)	Catalina Sky Survey ^[8]
P/2008 E1 (Catalina)	Catalina Sky Survey ^[9]
P/2009 WX51 (Catalina)	Catalina Sky Survey
P/2008 S1 (Catalina–McNaught)	Catalina Sky Survey i McNaught ^[10]
P/2005 JD108 (Catalina–NEAT)	Catalina Sky Survey i NEAT
P/2005 L4 (Christensen)	Christensen
P/2005 O2 (Christensen)	Christensen
P/2005 T2 (Christensen)	Christensen
P/2005 W2 (Christensen)	Christensen
P/2006 F2 (Christensen)	Christensen
P/2006 R2 (Christensen)	Christensen
P/2006 S1 (Christensen)	Christensen
P/2006 S4 (Christensen)	Christensen
P/2006 U5 (Christensen)	Christensen
P/2006 WY182 (Christensen)	Christensen
P/2007 B1 (Christensen)	Christensen ^[11]
P/2007 C1 (Christensen)	Christensen (Catalina Sky Survey) ^[12]
D/1894 F1 (Denning)	Denning
P/1921 H1 (Dubiago)	Dubiago
P/2007 H3 (Garradd)	Garradd ^[13]
P/2007 R4 (Garradd)	Garradd ^[14]
P/2008 R1 (Garradd)	Garradd ^[15]
P/1997 C1 (Gehrels)	Gehrels
P/2006 U7 (Gibbs)	Gibbs (Mount Lemmon Survey)
P/2006 W1 (Gibbs)	Gibbs (Catalina Sky Survey)
P/2006 Y2 (Gibbs)	Gibbs (Catalina Sky Survey)
P/2007 K2 (Gibbs)	Gibbs (Catalina Sky Survey) ^[16]
P/2007 R2 (Gibbs)	Gibbs (Catalina Sky Survey)
P/2007 R3 (Gibbs)	Gibbs (Mount Lemmon Survey) ^[17]
P/2007 T4 (Gibbs)	Gibbs (Catalina Sky Survey) ^[18]
P/2008 Y2 (Gibbs)	Gibbs (Catalina Sky Survey)
P/2009 K1 (Gibbs)	Gibbs (Mount Lemmon Survey)
P/2011 C2 (Gibbs)	Gibbs (Mount Lemmon Survey)
P/2007 Q2 (Gilmore)	Gilmore
D/1978 R1 (Haneda–Campos)	Haneda i Campos
D/1952 B1 (Harrington–Wilson)	Harrington i Wilson
D/1766 G1 (Helfenzrieder)	Helfenzrieder
P/1999 D1 (Hermann)	Hermann
P/2006 D1 (Hill)	Hill (Catalina Sky Survey)
P/2006 S6 (Hill)	Hill (Catalina Sky Survey)
P/2007 V2 (Hill)	Hill (Mount Lemmon Survey) ^[19]
P/2008 L2 (Hill)	Hill (Catalina Sky Survey)
P/2008 T4 (Hill)	Hill (Catalina Sky Survey) ^[20]
P/2009 O3 (Hill)	Hill (Catalina Sky Survey)
P/2009 Q1 (Hill)	Hill (Catalina Sky Survey)
P/2009 W1 (Hill)	Hill (Catalina Sky Survey)
P/2010 A1 (Hill)	Hill (Catalina Sky Survey)
P/2010 A3 (Hill)	Hill (Catalina Sky Survey)
P/2010 U2 (Hill)	Hill (Catalina Sky Survey)
P/2010 V1 (Ikeya–Murakami)	Ikeya i Murakami
P/2010 E2 (Jarnac)	Jarnac Observatory (D. Levy, W. Levy i T. Glinos)
P/1998 U3 (Jäger)	Jäger
P/1996 A1 (Jedicke)	V. Jedicke i R. Jedicke[3]
P/1997 B1 (Kobayashi)	Kobayashi
P/2005 W3 (Kowalski)	Kowalski (Catalina Sky Survey)
P/2006 F1 (Kowalski)	Kowalski (Mount Lemmon Survey)
P/2007 T2 (Kowalski)	Kowalski (Catalina Sky Survey) ^[21]
P/2009 Y2 (Kowalski)	Kowalski (Mount Lemmon Survey)
P/2009 QG31 (La Sagra)	La Sagra Sky Survey
P/2009 T2 (La Sagra)	La Sagra Sky Survey
P/2010 R2 (La Sagra)	La Sagra Sky Survey
P/1996 R2 (Lagerkvist)	Lagerkvist
P/1997 T3 (Lagerkvist–Carsenty)	Lagerkvist i Carsenty
P/2004 C1 (Larsen)	Larsen
P/2004 H2 (Larsen)	Larsen
P/2004 H3 (Larsen)	Larsen
P/2005 N3 (Larson)	Larson (Mount Lemmon Survey)
P/2007 R1 (Larson)	Larson (Mount Lemmon Survey)^[22]
P/2007 V1 (Larson)	Larson (Catalina Sky Survey)^[23]
P/2007 S2 (Lemmon)	Mount Lemmon Survey
P/2008 CL94 (Lemmon)	Mount Lemmon Survey
P/1991 L3 (Levy)	Levy
P/2006 T1 (Levy)	Levy
D/1770 L1 (Lexell)	Lexell
P/1998 Y2 (Li)	Li
P/1999 E1 (Li)	Li
P/1998 G1 (LINEAR)	LINEAR
P/1998 VS24 (LINEAR)	LINEAR
P/1998 Y1 (LINEAR)	LINEAR
P/1999 G1 (LINEAR)	LINEAR
P/1999 S3 (LINEAR)	LINEAR
P/1999 XS87 (LINEAR)	LINEAR
P/2000 G2 (LINEAR)	LINEAR
P/2000 D2 (LINEAR)	LINEAR
P/2000 R2 (LINEAR)	LINEAR
P/2002 A1 (LINEAR)	LINEAR
P/2002 A2 (LINEAR)	LINEAR
P/2002 B1 (LINEAR)	LINEAR
P/2002 AR2 (LINEAR)	LINEAR
P/2002 CE10 (LINEAR)	LINEAR
P/2002 EJ57 (LINEAR)	LINEAR
P/2002 T5 (LINEAR)	LINEAR
P/2003 F1 (LINEAR)	LINEAR
P/2003 HT15 (LINEAR)	LINEAR
P/2003 O2 (LINEAR)	LINEAR
P/2003 O3 (LINEAR)	LINEAR
P/2003 R1 (LINEAR)	LINEAR
P/2003 U1 (LINEAR)	LINEAR
P/2003 U2 (LINEAR)	LINEAR
P/2003 W1 (LINEAR)	LINEAR
P/2004 WR9 (LINEAR)	LINEAR
P/2005 Q4 (LINEAR)	LINEAR
P/2004 FY140 (LINEAR)	LINEAR
P/2000 QJ46 (LINEAR)	LINEAR
P/2005 YQ127 (LINEAR)	LINEAR
P/2008 A2 (LINEAR)	LINEAR ^[24]
P/2008 R3 (LINEAR)	LINEAR ^[25]
P/2008 WZ96 (LINEAR)	LINEAR
P/2010 A2 (LINEAR)	LINEAR
P/2010 A5 (LINEAR)	LINEAR
P/2010 WK (LINEAR)	LINEAR
P/2011 J3 (LINEAR)	LINEAR
P/2003 WC7 (LINEAR–Catalina)	LINEAR i Catalina Sky Survey
P/2004 V5 (LINEAR–Hill)	LINEAR i Hill
P/2008 QP20 (LINEAR–Hill)	LINEAR i Hill ^[26]
P/2001 BB50 (LINEAR–NEAT)	LINEAR i NEAT
P/2004 R3 (LINEAR–NEAT)	LINEAR i NEAT
P/2004 T1 (LINEAR–NEAT)	LINEAR i NEAT
P/2001 R6 (LINEAR–Skiff)	LINEAR i Skiff
P/2000 S4 (LINEAR–Spacewatch)	LINEAR i Spacewatch
P/1999 RO28 (LONEOS)	LONEOS
P/2000 S3 (LONEOS)	LONEOS
P/2001 OG108 (LONEOS)	LONEOS
P/2004 A1 (LONEOS)	LONEOS
P/2004 VR8 (LONEOS)	LONEOS
P/2005 GF8 (LONEOS)	LONEOS
P/2005 SB216 (LONEOS)	LONEOS
P/2006 Q2 (LONEOS)	LONEOS
P/2005 RV25 (LONEOS–Christensen)	LONEOS i Christensen
P/2005 XA54 (LONEOS–Hill)	LONEOS i Hill
P/1998 QP54 (LONEOS–Tucker)	LONEOS i Tucker
P/2010 J3 (McMillan)	McMillan
P/2004 R1 (McNaught)	McNaught
P/2005 J1 (McNaught)	McNaught
P/2005 K3 (McNaught)	McNaught
P/2005 L1 (McNaught)	McNaught
P/2005 Y2 (McNaught)	McNaught
P/2006 G1 (McNaught)	McNaught
P/2006 H1 (McNaught)	McNaught
P/2006 K2 (McNaught)	McNaught
P/2007 H1 (McNaught)	McNaught
P/2008 J3 (McNaught)	McNaught
P/2008 O2 (McNaught)	McNaught
P/2008 Y3 (McNaught)	McNaught
P/2009 Q5 (McNaught)	McNaught
P/2009 S2 (McNaught)	McNaught
P/2009 U4 (McNaught)	McNaught
P/2010 J5 (McNaught)	McNaught
P/2011 L1 (McNaught)	McNaught
P/2011 P1 (McNaught)	McNaught
P/1994 N2 (McNaught–Hartley)	McNaught i Hartley
P/1994 X1 (McNaught–Russell)	McNaught i Russell
P/1917 F1 (Mellish)	Mellish
P/1997 G1 (Montani)	Montani
P/2001 F1 (NEAT)	NEAT
P/2001 H5 (NEAT)	NEAT
P/2001 M10 (NEAT)	NEAT
P/2001 Q6 (NEAT)	NEAT
P/2001 Q11 (NEAT)	NEAT (Meyer, en imatges d'arxiu)
P/2001 T3 (NEAT)	NEAT
P/2002 K4 (NEAT)	NEAT
P/2003 E1 (NEAT)	NEAT
P/2003 F2 (NEAT)	NEAT
P/2003 QX29 (NEAT)	NEAT
P/2003 S1 (NEAT)	NEAT
P/2003 U3 (NEAT)	NEAT
P/2004 F1 (NEAT)	NEAT
P/2005 R1 (NEAT)	NEAT
P/2002 T6 (NEAT–LINEAR)	NEAT i LINEAR
P/2003 SQ215 (NEAT–LONEOS)	NEAT i LONEOS
P/2008 Q2 (Ory)	Ory
P/2010 T2 (PANSTARRS)	Pan-STARRS 1
P/1827 M1 (Pons–Gambart)	Pons i Gambart
P/2005 S3 (Read)	Read (Spacewatch)
P/2005 T3 (Read)	Read
D/1918 W1 (Schorr)	Schorr
P/2003 L1 (Scotti)	Scotti
P/2010 C1 (Scotti)	Scotti
P/2010 E5 (Scotti)	Scotti
P/2010 H4 (Scotti)	Scotti
P/2010 H5 (Scotti)	Scotti
P/2011 A2 (Scotti)	Scotti
D/1993 F2 (Shoemaker–Levy), al principi Shoemaker–Levy 9	C. Shoemaker, E. Shoemaker i Levy
P/2004 V3 (Siding Spring)	Siding Spring Survey
P/2006 HR30 (Siding Spring)	Siding Spring Survey
P/2006 R1 (Siding Spring)	Siding Spring Survey
P/2000 S1 (Skiff)	Skiff
P/2004 V1 (Skiff)	Skiff
P/2005 S2 (Skiff)	Skiff
D/1977 C1 (Skiff-Kosai)	Skiff i Kosai
P/1999 R1 = P/2003 R5 = P/2007 R5 (SOHO)	SOHO ^[27]
P/1999 X3 = P/2004 E2 = P/2008 K10 (SOHO)	SOHO ^[28]
P/1997 J6 = P/2001 D1 = P/2004 X7 = P/2008 S2 (SOHO)	SOHO ^[29]
P/1996 X3 = P/2002 S7 = P/2008 N4 (SOHO)	SOHO ^[30]
P/1999 J6 = P/2004 V9 = P/2010 H3 (SOHO)	SOHO ^[31]
P/2000 O3 = P/2005 W4 = P/2011 E1 (SOHO)	SOHO ^[32]
P/2005 JN (Spacewatch)	Spacewatch
P/2006 F4 (Spacewatch)	Spacewatch
P/2006 XG16 (Spacewatch)	Spacewatch ^[33]
P/2011 JB15 (Spacewatch–Boattini)	Spacewatch i Boattini
P/2009 SK280 (Spacewatch–Hill)	Spacewatch i Hill
P/2004 DO29 (Spacewatch–LINEAR)	Spacewatch i LINEAR
P/2005 T4 (SWAN)	SWAN instrument del satèl·lit SOHO (Matson i Mattiazzo)
D/1895 Q1 (Swift)	Swift
P/2005 E1 (Tubbiolo)	Tubbiolo
P/2010 H2 (Vales)	Vales (Črni Vrh Observatory)
P/1942 EA (Väisälä), al principi Väisälä 2	Väisälä
D/1960 S1 (van Houten)	C. van Houten i I. van Houten-Groeneveld[4]
P/2002 Q1 (Van Ness)	Van Ness
P/1937 D1 (Wilk)	Wilk
P/2010 B2 (WISE)	WISE
P/2010 D1 (WISE)	WISE
P/2010 D2 (WISE)	WISE
P/2010 JC81 (WISE)	WISE
P/2010 K2 (WISE)	WISE
P/2010 N1 (WISE)	WISE
P/2010 P4 (WISE)	WISE
P/2009 L2 (Yang–Gao)	Yang i Gao
P/2007 S1 (Zhao)	Zhao^[34]
P/2011 N1	de la Cueva, Ortiz, Santos Sanz i Morales
P/2011 NO1	Elenin i Molotov

Referències

1. «Cometary Designation System».(anglès)
2. «Cometary Designation System».(anglès)
3. ^[enllaç sense format] http://www.cometography.com/pcomets/96a1.html Arxivat 2010-12-15 a Wayback Machine.
4. Vsekhsvyatsky, S. K. «Comets of 1961–1970». Nauka [Moscow], 1967, p. 25.(anglès)

Enllaços externs

• Centre de planetes menors(anglès)
• Cometography.com Cometes periòdics(anglès)
• Catàleg de cometes Seiichi Yoshida(anglès)
• MPC: Dates de les darreres observacions de cometes (periòdics i no periòdics)