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List of periodic comets

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For a list of numbered periodic comets, see List of numbered comets.

Periodic comets (also known as short-period comets) are comets with orbital periods of less than 200 years or that 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) [it]. Comets that are not observed after a number of perihelion passages, or presumed to be destroyed, are given the D designation, and likewise comets given a periodic number and subsequently lost are given [n]D instead of [n]P, such as 3D/Biela or 5D/Brorsen.

In nearly all cases, comets are named after their discoverers, 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 can be difficult to calculate due to errors in the known trajectory that can accumulate from perturbations from the planets. 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えーゆー system distinguishes between them either through the number prefix or by the full designation (e. g. 181P and 192P/Shoemaker–Levy 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 that has been lost or has disintegrated), "X" (a comet for which no reliable orbit could be calculated —usually historical comets), "I" for an interstellar object, or "A" for an object that was either mistakenly identified as a comet, but is actually a minor planet,[1] or for an object on a hyperbolic orbit that does not show cometary activity.[2] Some lists retain the "C" prefix for comets of periods larger than about 30 years until their return is confirmed.[3]

List of Halley-type comets

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Main article: List of Halley-type comets

List of unnumbered Jupiter-Family comets

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While Jupiter-family comets are officially defined by 2 < TJupiter < 3, they can also be loosely defined as any comet with a period of less than 20 years, a relatively low inclination, and an orbit coinciding loosely with that of Jupiter. These comets are often patchily observed, as orbital interactions with the planet often cause comets' orbits to become perturbed, causing them to not be found at the expected position in the sky and subsequently lost. Additionally, their low cometary albedos and frequent proximity to the Sun compared to Oort Cloud comets cause them to much more quickly become depleted of volatiles, making them comparatively dimmer than comets with longer orbital periods.

Comet designation Name/ discoverer(s) Period (years) e a
(AUえーゆー) 		q
(AUえーゆー) 		i
(°) 		Abs. mag (M1) Last observed perihelion Next perihelion Ref
X/1979 O3 Kowal 5.44 0.33 3.09 2.07 1.75 15.8 1979/07/26 1985
X/1981 R1 Stattmayer 3.84 0.26 2.45 1.28 11.00 13.4 1981/08/18 1986
X/1991 G1 Meyer 3.73 0.44 2.41 1.36 5.96 18.7 1991/04/11 1995[4]
P/1996 R2 Lagerkvist 7.36 0.30998 3.782 2.60964 2.6054 6.3 2024/03/10 2031/10/06 MPC · JPL
P/1998 VS24 LINEAR 9.56 0.24393 4.5041 3.4054 5.031 11.3 2017/04/25 2024/11/06 MPC · JPL
C/1999 J6 SOHO 5.46 0.98418 3.1005 0.04906 26.61 2010/04/19 2026/06/18 MPC · JPL
P/1999 RO28 LONEOS 6.62 0.65079 3.5272 1.23176 8.191 19.4 2024/06/09 2030/12/21 MPC · JPL
P/1999 XN120 Catalina 8.55 0.21391 4.1806 3.2863 5.0283 9.9 2000/05/01 2008/11/17 MPC · JPL
P/2000 R2 LINEAR 6.1 0.5837 3.338 1.38997 3.2163 17.6 2000/09/12 2006/10/18 MPC · JPL
P/2001 H5 NEAT 14.68 0.6002 5.995 2.3966 8.3993 6.8 2001/01/28 2015/10/03 MPC · JPL
P/2002 EJ57 LINEAR 16.53 0.59391 6.49 2.6355 4.9697 15.8 2001/12/19 2018/06/30 MPC · JPL
C/2002 R5 SOHO 5.77 0.98526 3.21612 0.0474 14.12 2002/09/05 2008/02/02 MPC · JPL
P/2002 S7 SOHO 5.79 0.98496 3.22344 0.04849 13.6 2002/09/21 2008/07/06 MPC · JPL
P/2003 F2 NEAT 16.58 0.54219 6.503 2.9772 11.605 13.7 2003/04/14 2019/11/12 MPC · JPL
P/2003 T12 SOHO 4.12 0.775433 2.570078 0.57716 11.4579 19.7 2016/03/09 2020/05/06 MPC · JPL
X/2004 D5 Murakami 1.1 2004/02/15 ?
P/2004 FY140 LINEAR 11.02 0.1709 4.9523 4.1061 2.1279 12.5 2004/08/06 2015/08/13 MPC · JPL
P/2004 R3 LINEAR-NEAT 7.52 0.44184 3.8367 2.14148 7.9723 13.5 2004/05/24 2011/11/30 MPC · JPL
P/2005 E1 Tubbiolo 19.42 0.3847 7.225 4.4456 5.154 10.7 2005/03/18 2024/08/15 MPC · JPL
P/2005 J1 McNaught 6.74 0.57096 3.5664 1.53015 31.7659 13.4 2005/04/17 2012/01/12 MPC · JPL
P/2005 L1 McNaught 7.92 0.20924 3.9745 3.1428 7.7369 10.2 2005/12/13 2013/11/14 MPC · JPL
P/2005 SB216 LONEOS 18.97 0.463208 7.11312 3.818266 24.09843 9.9 2007/02/11 2018/01/31 MPC · JPL
P/2005 T5 [it] Broughton 19.54 0.55245 3.2468 3.2468 21.3724 11.2 2005/11/03 2025/05/19 MPC · JPL
P/2005 XR132 Spacewatch 7.29 0.432 3.759 2.135 14.475 16.44 2020/11/26 2028 MPC · JPL
P/2007 C2 Catalina 18.63 0.462251 7.0283 3.779481 8.6747 10 2007/09/04 2026/04/22 MPC · JPL
P/2007 K2 Gibbs 19.23 0.684 7.18 2.2686 7.6197 14 2007/06/08 2026/09/01 MPC · JPL
P/2007 Q2 Gilmore 13.23 0.67123 5.594 1.83902 10.2384 16.7 2007/08/23 2020/11/15 MPC · JPL
P/2007 S1 Zhao 7.4 0.34339 3.7989 2.4944 5.973 13.5 2007/12/06 2015/05/01 MPC · JPL
P/2007 T2 Kowalski 5.43 0.77483 3.0904 0.695863 9.89528 18.6 2007/09/19 2013/02/23 MPC · JPL
P/2008 Y12 SOHO 5.4 0.9787 3.07822 0.0654 23.35 2008/12/22 2014/05/17 MPC · JPL
P/2009 B1 Boattini 17.3 0.63719 6.688 2.42659 22.2285 13.2 2009/02/06 2026/05/27 MPC · JPL
P/2009 WX51 Catalina 5.41 0.740297 3.0803 0.799956 9.5926 20.6 2010/01/31 2015/06/30 MPC · JPL
P/2009 Y2 Kowalski 16.6 0.64052 6.507 2.33919 29.9296 6.1 2010/03/30 2026/11/04 MPC · JPL
P/2010 A3 Hill 14.91 0.73223 6.0568 1.621828 15.02825 6.5 2010/04/03 2025/03/01 MPC · JPL
P/2010 C1 Scotti 18.78 0.25911 7.0657 5.2349 9.14247 5.7 2009/12/01 2028/09/12 MPC · JPL
P/2010 D2 WISE 17.3 0.45301 6.6894 3.65902 57.17704 11.1 2010/03/05 2027/06/23 MPC · JPL
P/2010 H2 Vales 7.56 0.192894 3.85038 3.10767 14.2529 6.9 2010/03/09 2017/09/29 MPC · JPL
P/2010 H4 Scotti 17.05 0.272 6.624 4.821 2.314 10.8 2010/07/03 2027/07/21 MPC · JPL
P/2010 H5 Scotti 19.09 0.15646 7.1436 6.0259 14.0871 9.6 2010/04/17 2029/05/20 MPC · JPL
P/2010 T2 PANSTARRS 13.06 0.3231 5.546 3.754 8.0109 6.4 2011/07/09 2024/07/31 MPC · JPL
P/2010 U1 Boattini 17.09 0.26112 6.636 4.90317 8.24623 6 2010/03/28 2027/04/30 MPC · JPL
P/2010 UH55 Spacewatch 16.63 0.57514 6.515 2.767969 8.66257 6.6 2011/05/10 2027/12/26 MPC · JPL
P/2010 WK LINEAR 13.72 0.691987 5.7309 1.765178 11.47913 12.4 2010/10/19 2024/07/09 MPC · JPL
P/2011 C2 Gibbs 19.99 0.26846 7.366 5.38854 10.91098 6.2 2012/01/07 2032/01/03 MPC · JPL
P/2011 FR143 Lemmon 17.85 0.45305 6.8296 3.73541 16.01358 11.1 2011/03/10 2029/01/14 MPC · JPL
P/2011 N1 ASH 15.79 0.545926 6.2935 2.857712 35.66877 10.3 2012/05/31 2028/03/15 MPC · JPL
P/2011 UA134 Spacewatch-PANSTARRS 13.2 0.6327 5.5854 2.05151 10.5395 15.7 2011/12/07 2025/02/18 MPC · JPL
P/2011 V1 Boattini 7.53 0.555 3.843 1.7094 7.397 13.7 2011/05/11 2018/11/15 MPC · JPL
P/2011 W1 PANSTARRS 10.05 0.28866 4.65606 3.31206 3.71861 6.2 2012/01/22 2022/02/09 MPC · JPL
P/2011 Y2 Boattini 15.53 0.71291 6.2251 1.787145 6.35139 13.6 2012/03/21 2027/09/03 MPC · JPL
P/2012 B1 PANSTARRS 16.53 0.4104966 6.4887702 3.8251522 7.62779 5.6 2013/07/23 2030/02/01 MPC · JPL
P/2012 F2 PANSTARRS 15.92 0.54224 6.3287 2.89707 14.72465 12 2013/04/10 2029/03/12 MPC · JPL
P/2012 G1 PANSTARRS 8.60 0.3852 4.1967 2.580 11.6965 15.2 2012/06/06 2021/01/08 MPC · JPL
P/2012 K3 Gibbs 6.88 0.42596 3.618 2.07686 13.2012 6.9 2012/09/30 2019/08/17 MPC · JPL
P/2012 O1 McNaught 6.73 0.57925 3.563 1.499145 11.4286 16.6 2012/07/23 2019/04/15 MPC · JPL
P/2012 O2 McNaught 6.82 0.53827 3.597 1.660834 24.5274 17.3 2012/06/25 2019/04/20 MPC · JPL
P/2012 S2 La Sagra 9.33 0.69059 4.4316 1.371192 8.58181 15.3 2021/12/16 2031/02/11 MPC · JPL
P/2012 SB6 Lemmon 7.73 0.38462 3.91053 2.4065 10.9897 14.1 2020/07/24 2027/12/21 MPC · JPL
P/2012 T2 PANSTARRS 13.73 0.159 5.735 4.823 12.562 10.2 2013/04/10 2026/12/31 MPC · JPL
P/2012 T3 PANSTARRS 14.66 0.602 5.990 2.39 9.51 14.8 2012/04/15 2026/12/24 MPC · JPL
P/2012 U2 PANSTARRS 19.94 0.50657 7.3522 3.6278 10.5345 12.1 2012/12/04 2032/11/12 MPC · JPL
P/2012 US27 Siding Spring 11.79 0.64858 5.1814 1.820844 39.29295 6.8 2013/02/08 2024/11/23 MPC · JPL
P/2013 AL76 Catalina 16.6 0.685 6.51 2.0476 144.861 16 2012/12/13 2029/06/08 MPC · JPL
P/2013 G1 Kowalski 18.03 0.51237 6.8765 3.353099 5.46867 10.3 2013/12/10 2031/12/21 MPC · JPL
P/2013 G4 PANSTARRS 9.33 0.4104 4.432 2.6132 5.926 15.1 2013/02/09 2022/06/09 MPC · JPL
P/2013 J2 McNaught 15.61 0.656146 6.24634 2.147828 15.49553 10.8 2013/08/22 2029/04/02 MPC · JPL
P/2013 N5 PANSTARRS 17.74 0.7319 6.801 1.82305 23.2425 14.7 2013/07/02 2031/03/29 MPC · JPL
P/2013 R3 Catalina-PANSTARRS 5.28 0.27345 3.03293 2.20358 0.89893 6.4 2013/08/05 2018/11/15 MPC · JPL
P/2013 R3-A Catalina-PANSTARRS 5.28 0.2733 3.0327 2.2038 0.898 2013/08/05 2018/11/15 MPC · JPL
P/2013 R3-B Catalina-PANSTARRS 5.28 0.2733 3.0327 2.2038 0.8996 2013/08/05 2018/11/15 MPC · JPL
P/2013 T1 PANSTARRS 14.21 0.6233 5.867 2.2105 24.21 16.6 2013/07/31 2027/10/16 MPC · JPL
P/2013 T2 Schwartz 6.25 0.52849 3.3926 1.59962 9.3521 14.4 2013/06/20 2020/09/19 MPC · JPL
P/2013 W1 PANSTARRS 6.51 0.59388 3.4857 1.415614 4.69951 16.5 2014/03/08 2020/09/11 MPC · JPL
P/2013 YG46 Spacewatch 6.02 0.4516 3.3103 1.815 8.217 10.6 2017/01/19 2023/01/26 MPC · JPL
P/2014 A2 Hill 14.42 0.64983 5.9248 2.07468 24.5135 13.4 2013/10/28 2027/03/30 MPC · JPL
P/2014 C1 TOTAS 5.31 0.446 3.043 1.6857 2.6796 15.6 2013/12/18 2019/04/10 MPC · JPL
P/2014 L2 NEOWISE 15.91 0.646763 6.32589 2.234541 5.18441 8.6 2014/07/15 2030/06/15 MPC · JPL
P/2014 M4 PANSTARRS 14.02 0.59557 5.8139 2.3513 3.34519 13.1 2014/12/27 2029/01/02 MPC · JPL
P/2014 MG4 Spacewatch-PANSTARRS 11.22 0.259172 5.01227 3.71323 9.36876 8.5 2013/06/13 2024/09/01 MPC · JPL
P/2014 U4 PANSTARRS 6.51 0.4711 3.4853 1.8434 6.4571 15.4 2014/08/03 2020/02/05 MPC · JPL
P/2014 V1 PANSTARRS 12.59 0.526 5.414 2.563 22.461 13.3 2015/01/21 2027 MPC · JPL
P/2014 VF40 PANSTARRS 7.32 0.494 3.768 1.908 24.611 17.0 2023/05/31 2030 MPC · JPL
P/2015 C1 TOTAS-Gibbs 17.00 0.56256 6.6126 2.89264 13.8774 12.8 2015/05/01 2032/05/01 MPC · JPL
C/2015 D1 SOHO 11 0.9943 4.9 0.02832 69.62 14.7 2015/02/19 2026 MPC · JPL
P/2015 D6 Lemmon-PANSTARRS 19.48 0.3696 7.239 4.5637 20.1839 11.0 2015/07/13 2035/01/03 MPC · JPL
P/2015 K5 PANSTARRS 17.32 0.5540 6.694 2.9861 39.987 13.7 2015/06/06 2032/09/30 MPC · JPL
P/2015 M2 PANSTARRS 19.33 0.17896 7.2017 5.9128 3.9741 8.2 2015/08/31 2024/12/29 MPC · JPL
P/2015 P4 PANSTARRS 14.97 0.58424 6.0736 2.52516 8.71375 6.5 2016/01/19 2031/01/08 MPC · JPL
P/2015 PD229 Cameron-ISON 19.23 0.32673 7.1768 4.83188 2.02687 11.0 2015/08/14 2034/11/06 MPC · JPL
C/2015 R1 PANSTARRS 14.32 0.63286 5.8982 2.16545 22.6683 13.4 2015/06/25 2030/01/04 MPC · JPL
P/2015 R2 PANSTARRS 9.1 0.440 4.36 2.44 14.8 15.8 2015/06/19 2021/07/29 MPC · JPL
P/2015 TO19 Lemmon-PANSTARRS 9.75 0.35898 4.5638 2.92547 6.4999 6.6 2016/03/06 2025/12/04 MPC · JPL
P/2015 TP200 LINEAR 19.72 0.53621 7.2993 3.38531 8.77231 13.9 2016/10/28 2036/07/18 MPC · JPL
P/2015 W2 Catalina 19.80 0.63411 7.3200 2.67834 11.6113 13.7 2015/09/30 2035/07/19 MPC · JPL
P/2015 X3 PANSTARRS 11.26 0.4382 5.024 2.822 24.38 14.5 2015/08/07 2026/11/09 MPC · JPL
P/2015 X6 PANSTARRS 4.57 0.1700 2.756 2.2873 4.5583 16.1 2016/03/18 2020/07/08 MPC · JPL
P/2016 A2 Christensen 10.34 0.274 4.75 3.45 26.8 12.1 2015/06/16 2025/10/19 MPC · JPL
P/2016 A7 PANSTARRS 11.26 0.56662 5.0225 2.17665 16.6374 7.3 2016/02/25 2027/05/31 MPC · JPL
P/2016 G1 PANSTARRS 4.15 0.21003 2.58322 2.04068 10.9685 14.7 2017/01/26 2021/03/21 MPC · JPL
P/2016 J1-A PANSTARRS 5.65 0.228265 3.17209 2.44801 14.33019 16.5 2016/06/24 2022/02/16 MPC · JPL
P/2016 J1-B PANSTARRS 5.65 0.228231 3.17201 2.44806 14.3312 16.8 2016/06/24 2022/02/16 MPC · JPL
P/2016 P1 PANSTARRS 5.8 0.294 3.23 2.28 26 15.5 2015/09/07 2021/08/11 MPC · JPL
P/2016 R4 Gibbs 12.32 0.47506 5.3350 2.80052 10.8621 13.1 2016/07/20 2028/11/13 MPC · JPL
P/2017 B4 PANSTARRS 9.1 0.360 4.37 2.80 19.9 14.6 2017/01/21 2026/05/06 MPC · JPL
P/2017 D1 Fuls 10.52 0.44033 4.80244 2.688 20.7326 13.4 2016/06/28 2027/01/06 MPC · JPL
P/2017 K3 Gasparovic 13.16 0.58125 5.574272 2.3342 4.27872 14.6 2017/05/31 2030/07/29 MPC · JPL
P/2017 S8 PANSTARRS 4.63 0.393696 2.77621 1.68322 29.85994 14.8 2018/01/28 2022/09/13 MPC · JPL
P/2017 TW13 Lemmon 19.17 0.7098 7.163 2.07878 44.837 15 2018/06/20 2037/08/22 MPC · JPL
P/2017 U3 PANSTARRS 10.97 0.0997 4.936 4.444 15.909 11.1 2019/04/22 2030/04/09 MPC · JPL
P/2018 A4 PANSTARRS 36.35 0.7818 10.974 2.395 3.1423 6.9 2018/05/19 2054 MPC · JPL
P/2018 A5 PANSTARRS 13.42 0.5230 5.648 2.694 23.577 13.9 2017/09/23 2031 MPC · JPL
P/2018 C1 Lemmon-Read 13.17 0.5345 5.577 2.596 5.1350 13.9 2018/02/24 2031 MPC · JPL
P/2018 H2 PANSTARRS 9.25 0.5398 4.405 2.027 7.389 15.4 2018/01/23 2027 MPC · JPL
P/2018 L1 PANSTARRS 6.95 0.4822 3.642 1.886 10.588 14.6 2018/11/12 2025 MPC · JPL
P/2018 L4 PANSTARRS 10.94 0.6598 4.928 1.676 26.619 8.9 2018/07/31 2029 MPC · JPL
P/2018 L5 Leonard 6.88 0.363355 3.61815 2.3035 2.209 6.8 2018/05/04 2025 MPC · JPL
P/2018 P4 PANSTARRS 17.17 0.449 6.656 3.6664 23.108 12.1 2018/11/06 2036 MPC · JPL
C/2018 P5 PANSTARRS 45.42 0.6405 12.72968 4.576 7.2568 6.5 2019/02/26 2064 MPC · JPL
P/2018 V5 Trujillo-Sheppard 26.83 0.475 8.961 4.71 10.58 8.5 2018/10/03 2045 MPC · JPL
P/2018 VN2 Leonard 8.19 0.479 4.0639 2.1172 18.147 16.4 2018/06/06 2026 MPC · JPL
P/2018 Y2 Africano 20.44 0.4791 7.4765 3.8946 11.687 11 2019/01/02 2039 MPC · JPL
P/2019 A1 PANSTARRS 11.62 0.5689 5.1307 2.2117 13.744 13.7 2018/10/11 2030 MPC · JPL
P/2019 A2 ATLAS 13.73 0.3820 5.7331 3.543 14.856 10.8 2018/11/21 2032 MPC · JPL
P/2019 A3 PANSTARRS 5.58 0.2648 3.1471 2.3134 15.366 14.9 2018/08/01 2024 MPC · JPL
P/2019 A4 PANSTARRS 4.23 0.0896 2.6135 2.3794 13.3190 15.4 2018/12/05 2023 MPC · JPL
P/2019 A6 Lemmon - PANSTARRS 12.45 0.6392 5.3725 1.9385 33.2283 14.5 2018/08/29 2031 MPC · JPL
P/2019 A8 PANSTARRS 6.14 0.4387 3.3544 1.8828 2.9667 13.6 2018/09/02 2024 MPC · JPL
P/2019 B2 Groeller 7.56 0.3729 3.8534 2.4165 16.8287 6.6 2019/06/08 2026 MPC · JPL
P/2019 F2 ATLAS 67.33 0.8651 16.5508 2.2328 19.1874 6.2 2019/09/08 2086 MPC · JPL
P/2019 GG21 PANSTARRS 20.36 0.4720 7.4553 3.9365 6.0898 15.0 2019/05/08 2039 MPC · JPL
P/2019 LD2 ATLAS 12.17 0.1346 5.2898 4.5780 11.5587 12.2 2020/04/07 2032 MPC · JPL
P/2019 LM4 Palomar 13.67 0.5852 5.718 2.3716 36.3948 13.4 2019/06/18 2033 MPC · JPL
P/2019 M2 ATLAS 5.26 0.6485 3.026 1.0634 12.2820 21.2 2019/06/22 2024 MPC · JPL
P/2019 S2 PANSTARRS 10.30 0.2067 4.733 3.7553 10.4730 13.1 2019/02/20 2029 MPC · JPL
P/2019 S3 PANSTARRS 6.31 0.4706 3.413 1.8067 8.692 17.9 2019/08/26 2025 MPC · JPL
P/2019 T6 PANSTARRS 12.74 0.6235 5.454 2.0534 18.7574 15.7 2019/11/08 2032 MPC · JPL
P/2019 U4 PANSTARRS 6.60 0.4752 3.520 1.8471 11.6923 18.6 2019/09/18 2026 MPC · JPL
P/2019 W1 PANSTARRS 9.71 0.2660 4.550 3.3399 23.4619 13.2 2019/05/07 2029 MPC · JPL
P/2019 X1 Pruyne 15.34 0.3026 6.174 4.3055 10.2465 10.3 2019/07/20 2034 MPC · JPL
P/2019 X2 PANSTARRS 6.95 0.4993 3.643 1.8241 15.8816 18.1 2019/12/09 2026 MPC · JPL
P/2019 Y3 Catalina 5.19 0.6956 2.996 0.91196 24.634 19.2 2019/12/13 2025 MPC · JPL
P/2020 G1 Pimentel 6.84 0.8596 3.603 0.5058 18.4727 18.7 2020/03/17 2027 MPC · JPL
P/2020 K9 Lemmon-PANSTARRS 8.62 0.3221 4.204 2.8495 23.2026 12.3 2021/02/12 2029 MPC · JPL
P/2020 M1 PANSTARRS 11.47 0.4770 5.087 2.6609 8.6328 10.1 2019/12/21 2031 MPC · JPL
P/2020 MK4 PANSTARRS 15.25 0.0205 6.150 6.023 6.691 7.6 2015/06/15 2030 MPC · JPL
P/2020 O3 PANSTARRS 10.07 0.1061 4.662 4.1674 8.4428 12.3 2021/01/26 2031 MPC · JPL
P/2020 P4-B too uncertain to determine 0.9092 1.020 0.0926 28.1473 16.2 2020/08/08 MPC · JPL
P/2020 P4-C too uncertain to determine 0.9394 1.391 0.0842 37.5593 15.6 2020/08/06 MPC · JPL
P/2020 Q2 PANSTARRS 36.10 0.5055 10.923 3.3100 5.4018 10.9 2020/02/07 2056 MPC · JPL
P/2020 R5 PANSTARRS 11.11 0.3145 4.9788 3.4130 11.4543 7.5 2020/05/28 2031 MPC · JPL
P/2020 S1 PANSTARRS 14.63 0.5072 59.811 2.9473 13.7349 17.5 2021/01/16 2038 MPC · JPL
P/2020 S5 PANSTARRS 8.15 0.3383 4.0482 2.6787 12.3542 14.7 2020/08/08 2028 MPC · JPL
P/2020 S7 PANSTARRS 11.26 0.4106 5.0238 2.9610 16.0922 14.6 2020/11/18 2032 MPC · JPL
P/2020 T3 PANSTARRS 6.60 0.5915 3.5168 1.4366 7.296 13.2 2021/01/20 2027 MPC · JPL
P/2020 U2 PANSTARRS 7.34 0.5105 3.777 1.849 6.421 9.2 2020/12/25 2028 MPC · JPL
P/2020 W1 Rankin 19.29 0.2649 7.193 5.288 10.792 10.4 2020/04/04 2039 MPC · JPL
P/2020 X1 ATLAS 9.61 0.3641 4.5186 2.873 31.6672 12.5 2020/07/21 2030 MPC · JPL
P/2020 X2 ATLAS 66.29 0.7663 16.3789 3.829 18.1917 10.5 2020/11/15 2087 MPC · JPL
P/2021 A5 PANSTARRS 5.32 0.1398 3.047 2.6209 18.188 15.0 2020/11/11 2026 MPC · JPL
P/2021 L2 Leonard 8.16 0.5218 4.053 1.939 21.069 15.8 2021/07/24 2029 MPC · JPL
P/2021 N1 ZTF 5.84 0.6768 2.977 0.962 11.506 17.8 2021/06/06 2026 MPC · JPL
P/2021 N2 Fuls 18.26 0.4524 6.933 3.797 13.063 8.6 2021/11/13 2039 MPC · JPL
P/2021 P3 PANSTARRS 9.298 0.3405 4.4216 2.916 27.156 4.9 2021/05/31 2030 MPC · JPL
P/2021 PE20 ATLAS 7.251 0.671 3.746 1.233 20.018 16.54 2021/06/07 2028 MPC · JPL
P/2021 Q5 ATLAS 5.955 0.6242 3.285 1.235 10.734 15.8 2021/08/30 2027 MPC · JPL
P/2021 R3 PANSTARRS 7.35 0.3319 3.7804 2.526 19.933 18.2 2021/05/27 2028 MPC · JPL
P/2021 R4 Wierzchos 13.32 0.5862 5.6204 2.326 21.040 16.3 2021/10/13 2034 MPC · JPL
P/2021 R5 Rankin 10.51 0.3076 4.7987 3.323 7.852 7.3 2022/01/11 2032 MPC · JPL
P/2021 R6 Groeller 15.716 0.5932 6.274 2.552 34.926 14.9 2021/10/31 2037 MPC · JPL
P/2021 R8 Sheppard 5.24 0.2940 3.019 2.131 2.203 18.6 2021/10/07 2027 MPC · JPL
P/2021 U3 Attard-Maury 8.587 0.5500 4.193 1.887 69.966 16.8 2021/10/24 2030 MPC · JPL
P/2022 B1 Wierzchos 12.77 0.6528 5.463 1.897 10.991 9.8 2022/02/25 2034 MPC · JPL
P/2022 BV9 Lemmon 9.10 0.2350 4.358 3.334 11.935 13.67 2020/08/23 2029 MPC · JPL
P/2022 C1 PANSTARRS 19.38 0.4476 7.215 3.986 4.762 12.4 2021/11/04 2041 MPC · JPL
P/2022 C2 PANSTARRS 14.88 0.4428 6.049 3.370 9.980 7.2 2022/08/06 2037 MPC · JPL
P/2022 C3 PANSTARRS 30.01 0.5470 9.656 4.374 12.816 7.1 2022/07/01 2052 MPC · JPL
P/2022 D1 PANSTARRS 20.14 0.5470 7.401 3.353 44.064 15.9 2021/08/28 2041 MPC · JPL
P/2022 L3 ATLAS 16.63 0.6285 6.514 2.420 21.540 13.6 2022/10/29 2039 MPC · JPL
P/2022 M1 LONEOS - PANSTARRS 10.81 0.5784 4.890 2.061 7.027 15.9 2022/08/02 2033 MPC · JPL
P/2022 O2 PANSTARRS 15.86 0.7217 6.313 1.757 9.426 13.5 2023/01/07 2038 MPC · JPL
P/2022 P2 ZTF 9.50 0.5581 4.486 1.982 12.443 5.9 2022/07/10 2032 MPC · JPL
P/2022 R1 PANSTARRS 19.19 0.5023 7.167 3.567 7.408 7.4 2023/10/13 2043 MPC · JPL
P/2022 R4 PANSTARRS 7.51 0.4904 3.837 1.956 21.022 18.5 2022/07/10 2030 MPC · JPL
P/2022 R5 PANSTARRS 5.38 0.196 3.071 2.470 15.292 15.8 2022/05/27 2027 MPC · JPL
P/2022 S1 PANSTARRS 16.23 0.508 6.410 3.151 34.582 13.2 2022/08/19 2038 MPC · JPL
P/2022 W1 Rankin 18.39 0.517 6.968 3.368 13.467 15.4 2022/09/15 2041 MPC · JPL
P/2023 B1 PANSTARRS 18.72 0.129 7.049 6.141 14.589 5.9 2023/04/26 2042 MPC · JPL
P/2023 B3 PANSTARRS 9.68 0.123 4.543 3.983 9.163 14.7 2020/09/02 2032 MPC · JPL
P/2023 JN16 Lemmon 4.43 0.147 2.695 2.299 3.703 15.44 2024/12/30 2029 MPC · JPL
P/2023 M1 PANSTARRS 17.96 0.588 6.857 2.826 12.290 7.5 2023/12/14 2041 MPC · JPL
P/2023 M2 PANSTARRS 13.12 0.369 5.562 3.508 19.725 11.9 2023/07/25 2036 MPC · JPL
P/2023 M4 PANSTARRS 12.73 0.279 5.453 3.929 7.592 11.0 2022/04/15 2035 MPC · JPL
P/2023 S1 7.57 0.321 3.856 2.618 9.149 7.1 2025/02/22 2032 MPC · JPL
P/2023 T1 PANSTARRS 8.72 0.335 4.238 2.817 6.606 6.1 2024/05/22 2033 MPC · JPL
P/2023 V2 PANSTARRS 19.59 0.573 7.267 3.104 9.878 7.6 2024/02/04 2043 MPC · JPL
P/2023 V6 PANSTARRS 12.38 0.181 5.5351 4.384 3.977 11.6 2022/12/21 2035 MPC · JPL
P/2023 X3 PANSTARRS 8.76 0.287 4.251 3.030 4.483 14.6 2024/04/21 2033 MPC · JPL
P/2023 Y1 Gibbs 7.26 0.445 3.728 2.080 6.384 16.2 2023/11/29 2031 MPC · JPL
P/2023 Y2 Gibbs 7.25 0.392 3.744 2.276 6.992 11.9 2023/08/09 2030 MPC · JPL
P/2024 F1 PANSTARRS 6.39 0.460 3.442 1.860 7.006 16.5 2023/10/25 2030 MPC · JPL
P/2024 FG9 Nanshan-Hahn 5.88 0.510 3.259 1.596 1.730 10.4 2024/05/20 2030 MPC · JPL
P/2024 J1 PANSTARRS 7.43 0.307 3.808 2.637 13.161 14.5 2023/11/10 2031 MPC · JPL
P/2024 L4 Rankin 3.33 0.698 2.229 0.672 10.04 22.0 2024/04/14 2027 MPC · JPL
P/2024 O2 PANSTARRS 20.1 0.500 7.391 3.696 28.97 12.5 2024/04/19 2044 MPC · JPL
P/2024 T1 Rankin 14.4 0.6596078 4.24 2.3 ? 2 2024/08/08 2041 MPC · JPL

See also

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References

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  1. ^ a b "Cometary Designation System". Minor Planet Center. Retrieved 2011-07-03.
  2. ^ "MPEC 2018-H54 : 2. A/ Objects". Minor Planet Center. 20 April 2018. Retrieved 12 August 2018.
  3. ^ Comet names and designations
  4. ^ Meyer, Maik. "Unknown comet of 11 April 1991". comethunter.de. Retrieved 18 January 2016.
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