List of Halley-type comets

The following is a list of Halley-type comets (HTCs), which are periodic comet with an orbital period between 20 and 200 years, often appearing only once or twice within one's lifetime. The majority come from between the orbits of Saturn and Neptune; Due to the nature of their orbits, their orbits can be perturbed by the giant planets and sent into orbits too far from the Sun to outgas, and vice versa. Minor planets in comet-like orbits similar to HTCs that never come close enough to the Sun to outgas are called Centaurs. HTCs are named after the first discovered member, and the first discovered periodic comet, Halley's Comet, which orbits the Sun in about 75 years, and passing as far as the orbit of Neptune.

This list contains only Halley-type comets which are not numbered yet because they have been observed only once. To find Halley-type comets observed several times, see the list of numbered comets and sort them by orbital period to filter those with 20 years or more.

Comet designation	Comet name	eccentricity	semimajor axis	period (years)	Inclination (°)	Perihelion distance (AU)	Absolute magnitude	Last perihelion	Next perihelion
C/1625 A1		0.9183	9.05	27.21	28.98	0.7391		1625/01/31	1662
C/1906 V1	Thiele	0.949	24	110	56.03	1.2086		1906/11/21	2021/06/15^[1]
C/1915 R1 (C/2016 R3)	Mellish-Borisov	0.9797	21.958	102.89	53.0	0.446	17.4	1915/10/13	2016/10/11
C/1917 F1	Mellish	0.993121	27.6473325	145	32.6828	0.190186		1917/04/11	2062
C/1921 H1	Dubiago	0.86	8	22	22.11	1.1008		1921/05/04	2031 !1943/1965/1987/2009/2031
C/1937 D1	Wilk	0.981098	32.7445244	187	26.0205	0.618937		1937/02/21	2124
C/1942 EA	Väisälä	0.933639	19.3951116	85.4	37.9961	1.287079		1942/02/15	2027/07/10
C/1984 A1	Bradfield 1	0.9524	28.5	152.3	51.8005	1.35751	9.6	1983/12/27	2136/04/01
C/1989 A3	Bradfield	0.977708	18.853	81.9	83.0672	0.420271		1988/12/05	2070/11/01
C/1991 L3	Levy	0.928811	13.8018	51.28	19.19031	0.982545	8.8	1991/07/08	2042/10/19
P/1997 B1	Kobayashi	0.76076	8.588	25.17	12.3495	2.05455	12.3	1997/03/02	2022/06/06
C/1998 G1	LINEAR	0.8237	12.099	42.08	109.714	2.1333	10.8	1998/11/16	2040/12/15
C/1998 Y1	LINEAR	0.9239	22.956	110	28.1082	1.74699	14	1998/11/21	2108/11/15
C/1999 E1	Li	0.76011	16.341	66.06	46.88108	3.92002	8.3	1998/01/31	2065/02/21
C/1999 G1	LINEAR	0.856	28.1	149	76.55	4.048	8	1998/08/01	2150
C/1999 K4	LINEAR	0.92	20	70	120.8	1.442	18.5	1999/05/16	too uncertain to determine
C/1999 S3	LINEAR	0.89995	18.94	82.43	70.5607	1.894939	4.9	1999/11/09	2081/04/04
C/1999 XS87	LINEAR	0.84057	17.386	72.5	14.8464	2.7718	10.9	1999/08/06	2072/02/04
C/2000 D2	LINEAR	0.867	17.2	72	156.992	2.2975	13.7	2000/03/08	2072
C/2000 G2	LINEAR	0.805	14	52	170.4785	2.716	12.8	2000/02/05	2052
C/2000 S3	LONEOS	0.7723	11.69	39.97	25.164	2.6622	6.4	2000/07/16	2040/07/10
C/2001 M10	NEAT	0.80107	26.657	137.63	28.08349	5.30275	9.4	2001/06/21	2139/02/01
C/2001 OG108	LONEOS	0.9252595	13.3	48.5	80.24505	0.9940479	13.2	2002/03/15	2050/09/13
P/2001 Q6	NEAT	0.82386	7.9946	22.61	56.8553	1.408179	13.3	2001/11/09	2024/06/20
C/2001 W2	BATTeRS	0.94136	17.925	75.89	115.9131	1.051065	12.1	2001/12/23	2077/11/15
C/2002 A1	LINEAR	0.72281	16.992	70.04	14.03393	4.70996	8.6	2001/11/26	2071/12/11
C/2002 A2	LINEAR	0.72482	17.103	70.74	14.0386	4.70659	7.5	2001/12/05	2072/09/01
C/2002 B1	LINEAR	0.77102	9.9183	31.24	51.0214	2.27113	6.3	2002/04/20	2032/06/17
C/2002 CE10	LINEAR	0.791486	9.81595	30.75	145.4587	2.0467593	10.8	2003/06/22	2034/03/23
C/2002 K4	NEAT	0.84232	17.532	73.41	94.0632	2.76453	11.4	2002/07/12	2075/12/01
P/2002 T6	NEAT–LINEAR	0.557348	7.6519	21.17	11.00927	3.387103	5.9	2003/06/27	2024/08/28
C/2003 E1	NEAT	0.76359	13.7263	50.86	33.53785	3.245004	10.6	2004/02/13	2054/12/24
C/2003 F1	LINEAR	0.80605	20.664	93.93	70.2216	4.007806	8.3	2003/06/28	2097/06/02
C/2003 R1	LINEAR	0.89331	19.7	87.44	149.19563	2.10188	12.7	2003/06/29	2090/12/15
C/2003 U1	LINEAR	0.9216	22.9	109.6	164.4745	1.79572	15.2	2003/11/03	2113
C/2003 W1	LINEAR	0.93429	25.15	126.1	78.0756	1.65241	13.5	2003/11/09	2130
P/2004 V5-A	LINEAR-Hill	0.445217	7.95059	22.42	19.358136	4.410853	8.8	2005/02/28	2027/07/31
P/2004 A1	LONEOS	0.30841	7.89853	22.2	10.57568	5.462544	10	2004/08/26	2026/11/07
C/2004 C1	Larsen	0.6231	11.566	39.33	28.918	4.3594	10	2003/03/19	2042/09/01
P/2004 DO29	Spacewatch–LINEAR	0.45151	7.4655	20.4	14.5358	4.09475	10.3	2004/10/11	2025/03/06
P/2004 V5-B	LINEAR-Hill	0.445233	7.95092	22.42	19.35822	4.41091	9.2	2005/03/01	2027/08/02
C/2005 N5	Catalina (CSS)	0.94327	28.687	153.65	21.37879	1.6274	12.9	2005/08/22	2159/01/01
C/2005 O2	Christensen	0.85939	23.707	115.43	148.89204	3.33358	5.2	2005/09/08	2121/02/15
P/2005 S2	Skiff	0.1967	7.965	22.48	3.141	6.398	7.9	2006/06/30	2028/12/22
P/2005 T3	Read	0.174	7.509	20.58	6.26	6.202	9.2	2006/01/13	2026/08/15
P/2005 T4	SWAN	0.93	9.3	28.4	160.0362	0.649399	15.4	2005/10/10	2034
C/2005 W2	Christensen	0.82446	18.979	82.68	11.26403	3.33162	10.8	2006/03/27	2096/12/01
C/2006 F2	Christensen	0.65138	12.324	43.27	20.511	4.2965	10.6	2006/05/30	2049/09/06
P/2006 HR30	Siding Spring	0.8431184	7.81754	21.86	31.884499	1.2264277	11.7	2007/01/02	2028/11/12
C/2006 U7	Gibbs	0.6309	11.99	41.51	57.762	4.425	11.6	2007/03/28	2048/10/01
C/2007 S2	Lemmon	0.557056	12.5477	44.45	16.86305	5.557931	9	2008/09/14	2053/02/25
C/2008 E1	Catalina (CSS)	0.54815	10.687	34.94	35.03769	4.82891	9.1	2008/08/11	2043/07/31
P/2008 O3	Boattini	0.6949	8.186	23.42	32.2699	2.4973	5.1	2008/06/03	2031/11/03
C/2008 R3	LINEAR	0.89641	18.428	79.11	43.23793	1.909035	13.5	2008/11/22	2088/01/01
P/2008 Y3	McNaught	0.44766	8.0281	22.75	38.81318	4.434241	8.7	2009/01/11	2031/10/12
P/2009 O3	Hill	0.68688	7.8244	21.89	16.2176	2.44999	12	2009/05/18	2031/04/08
P/2009 Q5	McNaught	0.609061	7.4654	20.4	40.9048	2.91851	10.5	2009/09/08	2030/02/02
P/2009 T2	La Sagra	0.768991	7.596	20.94	28.10639	1.75475	14.2	2010/01/12	2030/12/21
P/2010 E2	Jarnac	0.72237	8.6402	25.4	15.437	2.39874	14.4	2010/04/07	2035/08/31
C/2010 E5	Scotti	0.84274	24.73	122.96	18.9102	3.8884	6.1	2009/11/21	2132/11/01
P/2010 J3	McMillan	0.72682	8.9871	26.94	13.25507	2.45511	11.6	2010/08/23	2037/08/01
P/2010 JC81	WISE	0.77735	8.13307	23.19	38.69025	1.8108311	10.3	2011/04/26	2034/07/04
C/2010 L5	WISE	0.904	8.2	23.6	147.052	0.7909	17.4	2010/04/23	2033
C/2011 J3	LINEAR	0.9258	19.56	86.5	114.7124	1.451	13.1	2011/01/24	2097
P/2011 JB15	Spacewatch–Boattini	0.31874	7.3668	20	19.14127	5.01871	5.5	2012/01/21	2032/01/21
C/2011 L1	McNaught	0.79678	11.034	36.66	65.512	2.24237	10.6	2010/12/18	2047/08/15
P/2011 P1	McNaught	0.3598	7.741	21.54	6.1741	4.9556	8.2	2010/07/22	2032/02/04
C/2011 P2	PANSTARRS	0.36982	9.7562	30.47	8.98964	6.1481	6.7	2010/09/13	2041/03/04
P/2011 S1	Gibbs	0.20305	8.6545	25.46	2.6792	6.8972	5.5	2014/08/20	2040/02/04
C/2011 S2	Kowalski	0.9316	16.304	65.83	17.57253	1.115118	14.8	2011/10/26	2077/08/25
C/2011 Y3	Boattini	0.705	11.85	40.82	26.517	3.4978	11.7	2011/08/22	2052/06/17
C/2012 BJ98	Lemmon^[2]	0.87365	17.068	70.52	2.6369	2.156577	8.1	2012/09/20	2083/03/29
C/2012 H2	McNaught	0.8936	16.14	64.9	92.8355	1.71678	15.7	2012/05/03	2077
C/2012 Q1	Kowalski	0.63722	26.138	133.63	45.181	9.48222	4.7	2012/02/09	2145/10/01
C/2012 T6	Kowalski	0.87634	14.354	54.38	33.2755	1.77509	15.7	2012/08/26	2067/01/15
C/2012 X2	PANSTARRS	0.77052	20.69	94.12	34.12389	4.74816	9.6	2013/03/31	2107/05/14
A/2012 CG	Lemmon	0.499315	28.9980	156.16	14.58112	14.51886	9.0	2001/06/29	2157/08/26
P/2012 C3	PANSTARRS	0.6264	9.7	30.2	9.19	3.625	13.5	2011/10/05	2042
P/2012 NJ	La Sagra	0.848062	8.5027	24.79	84.37546	1.2918901	13.1	2012/06/13	2037/03/28
C/2012 Y3	McNaught	0.93993	29.38	159.3	73.2318	1.76482	10.4	2012/08/25	2172
C/2013 C2	Tenagra	0.4293	16.001	64.01	21.34426	9.1321	4.4	2015/08/28	2080/09/01
C/2013 D1	Holvorcem	0.78088	11.227	37.62	10.09356	2.46013	13.5	2013/04/13	2050/11/25
P/2013 N3	PANSTARRS	0.5924	7.431	20.26	2.17041	3.0289	6.6	2014/02/11	2034/05/17
P/2013 P1	PANSTARRS	0.6053	8.588	25.17	18.702	3.3902	11.6	2013/02/26	2038/04/29
C/2013 P4	PANSTARRS	0.59636	14.783	56.84	4.26425	5.96703	5.1	2014/08/12	2071/06/15
C/2013 U1	Catalina (CSS)	0.7971	11.92	41.17	23.9415	2.4188	13.9	2013/11/18	2055/01/01
C/2013 V3	Nevsky	0.89097	12.718	45.36	32.1345	1.386693	15.2	2013/10/29	2059/03/09
C/2013 W2	PANSTARRS	0.561	10.13	32.23	4.5436	4.448	5.8	2015/01/08	2047/03/15
C/2014 F3	Sheppard–Trujillo	0.65	16.3	66	6.48	5.7	6.1	2021/04/17	2087
C/2014 HU195	Allen	0.76580	21.867	102.25	5.82227	5.12113	14.6	2015/05/18	2117/08/14
C/2014 J1	Catalina (CSS)	0.802	8.64	25.4	159.696	1.7085	16.8	2014/06/20	2039
P/2014 L3	Hill	0.77309	8.1706	23.36	6.264	1.85396	13.7	2014/06/28	2037/11/06
P/2014 O3	PANSTARRS	0.3847	7.544	20.72	7.81	4.642	10.4	2014/04/16	2035/01/04
C/2014 Q3	Borisov	0.94195	28.38	151.2	89.949	1.64738	6	2014/11/19	2165
C/2014 TG64	Catalina (CSS)	0.7824	14.89	22.283	3.2391		6.4	2014/05/26	2072
C/2014 W7	Christensen	0.869	11.3	38	98.314	1.4881	16.3	2014/12/31	2052
C/2014 W9	PANSTARRS	0.8577	11.16	37.28	10.6302	1.5874	15.5	2015/02/15	2052/04/01
C/2014 W10	PANSTARRS	1	20	100	70	7	8.1	2015/02/09	2090 !too uncertain to determine
C/2014 W11	PANSTARRS	0.650255	9.7980	30.67	12.70679	3.426805	8.8	2015/06/17	2036/04/16
C/2015 A1	PANSTARRS	0.900816	20.119	90.24	80.36576	1.995505	6.9	2015/03/13	2105/06/09
P/2015 A3	PANSTARRS	0.85	7.6	21	172.51	1.154	20.2	2015/02/22	2036
P/2015 B1	PANSTARRS	0.38250	9.6772	30.10	18.027	5.97567	8.7	2015/09/19	2045/10/26
P/2015 B4	Lemmon	0.56894	8.7121	25.72	1.74262	3.75540	11.7	2015/02/17	2030/12/04
C/2015 D2	PANSTARRS	0.56826	12.985	46.79	31.8339	5.6060	6.3	2013/09/27	2060/07/13
C/2015 D5	Kowalski	0.4996	9.145	27.66	20.3990	4.576	6.0	2014/04/16	2041/12/12
C/2015 F5	SWAN-XingMing	0.97764	15.47	60.9	149.2590	0.345995	17.6	2015/03/28	2075/02/01
C/2015 GX	PANSTARRS	0.878198	16.1883	65.13	90.25454	1.971753	14.4	2015/08/26	2080/10/09
C/2015 H1	Bressi	0.94078	32.53	185.5	140.65558	1.92636	6.6	2015/03/28	2200/10/07
C/2015 T5	Sheppard-Mount Lemmon Survey	0.6661	27.97	147.9	11.0483	9.3383	7.7	2016/01/24	2164
C/2015 V4	PANSTARRS	0.70567	18.550	79.89	60.7513	5.45972	8.7	2016/08/27	2096/07/19
C/2015 X2	PANSTARRS	0.8791	15.75	62.5	72.458	1.90456	16.1	2015/12/20
C/2015 X4	Elenin	0.81281	18.135	77.23	29.5046	3.39464	10.1	2015/11/03	2093/02/14
C/2015 YG1	NEOWISE	0.87924	17.169	71.14	57.3360	2.07341	12.3	2015/09/28	2086/11/17
P/2016 A3	PANSTARRS	0.378	7.699	21.36	8.5924	4.789	5.5	2017/04/13	2038/08/22
C/2016 Q4	Kowalski	0.5781	16.79	68.8	7.2566	7.084	7.0	2018/01/28	2086
C/2016 S1	PANSTARRS	0.7086	8.28	23.81	94.688	2.4116	6.6	2017/03/16	2041/01/05
A/2016 TP93	PANSTARRS	0.56	7.5	20.6	138.31	3.291	15.7	2016/10/05	2038
A/2016 VY17	Lemmon	0.852	11.3	38	148.42	1.666	15.8	2017/07/02	2055

References

↑ "C/1906 V1 (Thiele)". JPL Small-Body Database Browser. Retrieved 15 October 2015.
↑ Yoshia, Seiichi. "C/2012 BJ98 (Lemmon)". aerith.net. Retrieved 23 July 2014.

Comets

Features	Nucleus Coma Tails Antitail Comet dust Meteor shower

Types	Periodic Numbered Lost Halley-type Jupiter-family Encke-type Main-belt Non-periodic Hyperbolic Unknown-orbit Great Comet Sungrazing (Kreutz) Extinct Exocomet Interstellar

Related	Naming of comets Centaur Comet discoverers LINEAR Extraterrestrial atmosphere Oort cloud Small Solar System body Asteroid

Space missions	Comet Hopper CONTOUR CRAF Deep Impact/EPOXI Deep Space 1 Giotto Hayabusa Mk2 ICE Marco Polo Rosetta Philae Timeline Sakigake Stardust/NeXT Suisei Ulysses Vega program Vega 1 Vega 2 Vesta

Latest	C/2015 G2 (MASTER) C/2015 F5 (SWAN-XingMing) C/2015 F3 C/2014 Q2 (Lovejoy) C/2014 E2 (Jacques) C/2013 US10 (Catalina) C/2013 A1 (Siding Spring) C/2012 S4 (PANSTARRS) C/2012 K1 (PANSTARRS)

Culture and speculation	Antimatter comet Comets in fiction Fictional comets Comet vintages

Lists of comets (more)

Periodic
comets

Until 1985
(all)

After 1985
(notable)

Comet-like
asteroids

596 Scheila
2060 Chiron (95P)
4015 Wilson–Harrington (107P)
7968 Elst–Pizarro (133P)
165P/LINEAR
166P/NEAT
167P/CINEOS
60558 Echeclus (174P)
118401 LINEAR (176P)
238P/Read
259P/Garradd
311P/PANSTARRS
324P/La Sagra
P/2010 A2 (LINEAR)
P/2012 F5 (Gibbs)
P/2012 T1 (PANSTARRS)
P/2013 R3 (Catalina-PANSTARRS)
(300163) 2006 VW139

Lost

Recovered	11P/Tempel–Swift–LINEAR 15P/Finlay 17P/Holmes 27P/Crommelin 54P/de Vico–Swift–NEAT 55P/Tempel–Tuttle 57P/du Toit–Neujmin–Delporte 69P/Taylor 72P/Denning–Fujikawa 80P/Peters–Hartley 97P/Metcalf–Brewington 107P/Wilson–Harrington 109P/Swift–Tuttle 113P/Spitaler 122P/de Vico 157P/Tritton 177P/Barnard 205P/Giacobini 206P/Barnard–Boattini 271P/van Houten–Lemmon 273P/Pons–Gambart 289P/Blanpain

Destroyed	3D/Biela 73P/Schwassmann–Wachmann D/1993 F2 (Shoemaker–Levy 9)

Not found	D/1770 L1 (Lexell) 5D/Brorsen 18D/Perrine–Mrkos 20D/Westphal 25D/Neujmin 34D/Gale 75D/Kohoutek 83D/Russell

Visited by
spacecraft

Non-Periodic
comets
(notable)

Until 1910	C/-43 K1 (Caesar's Comet) X/1106 C1 (Great Comet of 1106) C/1577 V1 (Great Comet of 1577) C/1652 Y1 C/1680 V1 (Great Comet of 1680, Kirsch's Comet, Newton's Comet)) C/1702 H1 (Comet of 1702) C/1729 P1 (Comet of 1729, Comet Sarabat) C/1743 X1 (Great Comet of 1744, Comet Klinkenberg-Chéseaux) C/1760 A1 (Great Comet of 1760) C/1769 P1 (Great Comet of 1769) C/1807 R1 (Great Comet of 1807) C/1811 F1 (Great Comet of 1811) C/1819 N1 (Great Comet of 1819) C/1823 Y1 (Great Comet of 1823) C/1843 D1 (Great March Comet of 1843) C/1847 T1 (Miss Mitchell's Comet) C/1858 L1 (Comet Donati) C/1861 G1 (Comet Thatcher) C/1861 J1 (Great Comet of 1861) C/1865 B1 (Great Southern Comet of 1865) X/1872 X1 (Pogson's Comet) C/1874 H1 (Comet Coggia) C/1881 K1 (Comet Tebbutt) C/1882 R1 (Great Comet of 1882) C/1887 B1 (Great Southern Comet of 1887) C/1890 V1 (Comet Zona) C/1901 G1 (Great Comet of 1901) C/1910 A1 (Great January Comet of 1910)

After 1910	C/1911 O1 (Brooks) C/1911 S3 (Beljawsky) C/1927 X1 (Skjellerup–Maristany) C/1931 P1 (Ryves) C/1941 B2 (de Kock-Paraskevopoulos) C/1947 X1 (Southern Comet) C/1948 V1 (Eclipse) C/1956 R1 (Arend–Roland) C/1957 P1 (Mrkos) C/1961 O1 (Wilson-Hubbard) C/1961 R1 (Humason) C/1962 C1 (Seki-Lines) C/1963 R1 (Pereyra) C/1965 S1 (Ikeya-Seki) C/1969 Y1 (Bennett) C/1970 K1 (White–Ortiz–Bolelli) C/1973 E1 (Kohoutek) C/1975 V1 (West) C/1980 E1 (Bowell) C/1983 H1 (IRAS–Araki–Alcock) C/1989 X1 (Austin) C/1989 Y1 (Skorichenko–George) C/1992 J1 (Spacewatch–Rabinowitz) C/1993 Y1 (McNaught–Russell) C/1995 O1 (Hale–Bopp) C/1996 B2 (Hyakutake) C/1997 L1 (Zhu–Balam) C/1998 H1 (Stonehouse) C/1998 J1 (SOHO) C/1999 F1 (Catalina) C/1999 S4 (LINEAR) C/2000 U5 (LINEAR) C/2000 W1 (Utsunomiya-Jones) C/2001 OG108 (LONEOS) C/2001 Q4 (NEAT) C/2002 T7 (LINEAR) C/2004 F4 (Bradfield) C/2004 Q2 (Machholz) C/2006 A1 (Pojmański) C/2006 M4 (SWAN) C/2006 P1 (McNaught) C/2007 E2 (Lovejoy) C/2007 F1 (LONEOS) C/2007 K5 (Lovejoy) C/2007 N3 (Lulin) C/2007 Q3 (Siding Spring) C/2007 W1 (Boattini) C/2008 Q1 (Matičič) C/2009 F6 (Yi–SWAN) C/2009 R1 (McNaught) C/2010 X1 (Elenin) C/2011 L4 (PANSTARRS) C/2011 W3 (Lovejoy) C/2012 E2 (SWAN) C/2012 F6 (Lemmon) C/2012 K1 (PANSTARRS) C/2012 S1 (ISON) C/2012 S4 (PANSTARRS) C/2013 A1 (Siding Spring) C/2013 R1 (Lovejoy) C/2013 US10 (Catalina) C/2013 V5 (Oukaimeden) C/2014 E2 (Jacques) C/2014 Q2 (Lovejoy) C/2015 V2 (Johnson)

After 1910 (by name)	Arend–Roland Austin Beljawsky Bennett Boattini Bowell Bradfield Brooks Catalina C/1999 F1 C/2013 US10 de Kock–Paraskevopoulos Eclipse Elenin Hale-Bopp Humason Hyakutake Ikeya-Seki IRAS–Araki–Alcock ISON Jacques Johnson Kohoutek Lemmon LINEAR C/1999 S4 C/2000 U5 C/2002 T7 LONEOS C/2001 OG108 C/2007 F1 Lovejoy C/2007 E2 C/2007 K5 C/2011 W3 C/2013 R1 C/2014 Q2 Lulin Machholz Matičič McNaught C/2006 P1 C/2009 R1 McNaught–Russell Mrkos NEAT Oukaimeden Pan-STARRS C/2011 L4 C/2012 K1 C/2012 S4 311P Pereyra Pojmański Ryves Seki–Lines Siding Spring C/2007 Q3 C/2013 A1 Skjellerup–Maristany Skorichenko–George SOHO Southern Spacewatch–Rabinowitz Stonehouse SWAN C/2006 M4 C/2012 E2 Utsunomiya–Jones West White–Ortiz–Bolelli Wilson–Hubbard Yi–SWAN Zhu–Balam

Category
Commons
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List of Halley-type comets

See also

References