Cometcountdown

Long-period periodic comet catalogue

Name Period (years) Last Perihelion(s) Next Perihelion Perihelion Eccentricity Inclination Semi-major axis
C/1963 R1 - Pereyra 903.00 1963/08/23 2866 0.005065 0.999946 133.5821 93.7963
C/1843 D1 - Great Comet of 1843 513.00 1843/02/27 2356 0.005527 0.999914 144.3548 64.267
C/2011 W3 - Lovejoy 698.00 2011/12/16 2710 0.0055538 0.9999294 134.356 78.7
C/1882 R1-D - Great September Comet of 1882 952.00 1882/09/17 2834 0.007749 0.99992 142.0093 96.8625
C/1882 R1-A - Great September Comet of 1882 669.00 1882/09/17 2551 0.00775 0.999899 142.0112 76.7327
C/1882 R1-B - Great September Comet of 1882 759.00 1882/09/17 2641 0.007751 0.999907 142.0111 83.3441
C/1882 R1-C - Great September Comet of 1882 874.00 1882/09/17 2756 0.007751 0.999915 142.0105 91.1882
C/1965 S1-A - Ikeya–Seki 880.00 1965/10/21 2845 0.007786 0.999915 141.8642 91.6
C/1886 H1 - Brooks 768.00 1886/06/07 2654 0.269803 0.996783 33.8679 83.8679
C/1987 B2 - Terasako 724.00 1986/12/24 2710 0.39302 0.995125 40.8543 80.6195
C/2016 R3 - Borisov 1000.00 2016/10/10 3000 0.4468 0.9955 53.067 100
C/1930 F1 - Wilk 485.00 1930/03/28 2415 0.48181 0.992194 67.1409 61.723
C/1936 O1 - Kaho-Kozik-Lis 888.00 1936/06/15 2824 0.518403 0.994389 121.9417 92.3905
C/2005 P3 - SWAN 279.00 2005/08/09 2285 0.52578 0.98768 89.708 42.7
C/1955 L1 - Mrkos 356.00 1955/06/04 2311 0.534419 0.989361 86.5016 50.2321
C/1979 Y1 - Bradfield 303.00 1979/12/21 2282 0.54526 0.98792 148.6024 45.1
C/1855 L1 - Donati 252.00 1855/05/30 2107 0.567564 0.98578 156.8707 39.9131
C/2009 E1 - Itagaki 254.67 2009/04/07 2263/12/01 0.5997215 0.985073 127.4534 40.177
C/1963 A1 - Ikeya 932.00 1963/03/21 2895 0.632139 0.993377 160.6487 95.446
C/1846 J1 - Brorsen 538.00 1846/06/05 2384 0.63376 0.990414 150.6809 66.1131
C/1992 W1 - Ohshita 719.00 1992/11/01 2711 0.664134 0.99721 115.1232 80.2191
C/1961 T1 - Seki 759.00 1961/10/10 2720 0.681129 0.991812 155.707 83.1862
C/1857 O1 - Peters 235.00 1857/08/24 2092 0.746843 0.980414 32.7565 38.1315
C/1885 R1 - Brooks 275.00 1885/08/10 2160 0.749149 0.982264 59.097 42.2389
C/1935 A1 - Johnson 901.00 1935/02/26 2836 0.811148 0.991304 65.4251 93.2783
C/1964 N1 - Ikeya 391.00 1964/08/01 2355 0.821752 0.984643 171.92 53.5099
C/1861 J1 - Great Comet of 1861 409.00 1861/06/12 2270 0.822384 0.98507 85.4424 55.0827
C/1975 T2 - Suzuki-Saigusa-Mori 446.00 1975/10/15 2421 0.838047 0.985653 118.2332 58.4127
C/2015 D4 - Borisov 700.00 2014/10/28 2714 0.86168 0.98907 77.3017 78.8
C/1853 G1 - Schweizer 781.00 1853/05/10 2634 0.908693 0.989286 122.1955 84.8136
C/1861 G1 - A. E. Thatcher 415.00 1861/06/03 2276 0.9207 0.983465 79.7733 55.6819
C/1941 B1 - Friend-Reese-Honda 355.00 1941/01/20 2296 0.941864 0.981221 26.2756 50.1552
C/2013 K1 - Christensen 713.00 2013/05/30 2725 0.948263 0.98811 42.3415 79.8
C/1998 K5 - LINEAR 616.00 1998/07/17 2613 0.9635469 0.98669 9.92714 72.39
C/1894 G1 - Gale 958.00 1894/04/13 2852 0.983032 0.989884 86.9666 97.176
C/1983 H1 - IRAS-Araki-Alcock 968.00 1983/05/21 2951 0.9913399 0.98987 73.2526 97.86
C/1932 P1 - Peltier–Whipple 291.00 1932/09/01 2223 1.037198 0.976369 71.7195 43.8914
C/1931 O1 - Nagata 357.00 1931/06/11 2288 1.046903 0.979203 42.2957 50.3391
C/2013 UQ4 - Catalina (CSS) 471.43 2014/07/05 2485/12/09 1.08097487 0.9821538 145.25856 60.572
C/1940 O1 - Whipple–Paraskevopoulos 425.00 1940/10/08 2365 1.082228 0.980843 54.6906 56.4926
C/1898 F1 - Perrine 419.00 2317 1.095261 0.980454 72.5292 56.035
C/2004 K3 - LINEAR 438.00 2004/06/30 2440 1.10334 0.9809 111.9279 57.7
C/1905 F1 - Giacobini 220.00 1905/04/04 2125 1.11 0.9 40 36
C/2011 Q4 - SWAN 282.35 2011/09/21 2294/01/27 1.112228 0.974157 147.84307 43.039
C/1932 Y1 - Dodwell-Forbes 262.00 1932/12/30 2194 1.130788 0.972386 24.5025 40.9498
C/2007 K5 - Lovejoy 340.00 2007/05/01 2350 1.1491 0.9766 64.884 49
C/2015 X8 - NEOWISE 86.90 2015/10/23 2099/09/13 1.1903 0.9393 155.2817 19.6
C/2013 N4 - Borisov 333.00 2013/08/21 2346 1.210405 0.974805 37.03523 48.04
C/2015 F2 - Polonia 237.60 2015/04/28 2252/11/29 1.210552 0.96844 28.6937 38.36
C/1906 V1 - Thiele 420.00 1906/11/21 2300 1.2122 0.979 56.35 56
C/1984 U2 - Shoemaker 270.00 1985/01/03 2255 1.21451 0.970905 13.8812 41.7429
C/2007 D2 - Spacewatch 420.00 2006/11/24 2425 1.2457 0.97771 178.618 56
C/1932 G1 - Houghton-Ensor 302.00 1932/02/28 2234 1.254431 0.972127 74.2776 45.0052
C/1952 H1 - Mrkos 645.00 1952/06/08 2597 1.282696 0.982816 112.0282 74.6448
C/2007 E1 - Garradd 524.06 2007/05/23 2531/06/01 1.2858628 0.980218 174.394 65.001
C/2002 Q2 - LINEAR 420.00 2002/08/17 2450 1.3029 0.977 96.76 56
C/1985 T1 - Thiele 700.00 1985/12/19 2685 1.31714 0.983297 139.0692 78.8565
C/1997 O1 - Tilbrook 811.00 1997/07/13 2808 1.371807 0.98422 115.8024 86.96
C/1974 O1 - Cesco 551.00 1974/05/12 2525 1.372951 0.979579 173.1585 67.2323
C/2007 H2 - Skiff 150.00 2007/02/17 2360 1.4105 0.9717 52.19 50
C/1979 S1 - Meier 391.00 1979/10/17 2370 1.432081 0.973197 67.084 53.4299
C/1840 U1 - Bremiker 286.00 1840/11/14 2126 1.48 0.9659 57.9043 43.453
C/2009 K4 - Gibbs 268.00 2009/06/19 2280 1.5489 0.9628 34.8248 41.6
C/2016 C2 - NEOWISE 512.00 2016/04/19 2528 1.559751 0.97563 38.1565 64.00
C/1811 W1 - Pons 755.00 1811/11/11 2566 1.5817 0.9809 31.2554 82.881
C/2010 DG56 - WISE 555.00 2010/05/15 2565 1.591452 0.97644 160.41734 67.54
C/1887 B2 - Brooks 999.00 1887/03/17 2986 1.630145 0.983694 104.2738 99.9721
C/1874 Q1 - Coggia 306.00 1874/07/18 2180 1.687985 0.962822 34.1267 45.4028
C/2010 J1 - Boattini 222.50 2010/02/04 2232 1.69566 0.9538 134.3849 36.72
C/1994 E1 - Mueller 408.00 1993/11/28 2401 1.75129 0.968171 145.1425 55.0218
C/2013 PE67 - Catalina (CSS)–Spacewatch 415.10 2013/12/09 2429/01/01 1.847072 0.966806 116.71754 55.64
A/2016 US109 - Lemmon 216.00 2016/10/11 2233 1.8599 0.9484 87.166 36.0
C/2016 A8 - LINEAR 207.60 2016/08/30 2224 1.881129 0.94635 148.21184 35.06
C/1995 Q2 - Hartley-Drinkwater 424.00 1995/08/02 2419 1.889153 0.966518 168.0075 56.4229
C/2008 X3 - LINEAR 289.60 2008/10/10 2298 1.90213 0.95654 66.4751 43.77
C/1937 P1 - Hubble 599.00 1936/11/14 2535 1.953657 0.972499 11.5806 71.0395
C/2008 J5 - Garradd 616.00 2008/04/01 2625 1.96384 0.97288 93.271 72.4
C/2010 G2 - Hill 943.41 2011/09/02 2955/02/01 1.9807735 0.9794077 103.745293 96.19
C/1999 L3 - LINEAR 683.50 2000/01/04 2683/06/01 1.988917 0.97437 166.09928 77.59
A/2016 NM56 - PANSTARRS 638.60 2015/10/13 2654/05/01 10.52667 0.85805 144.04785 74.16
C/2004 DZ61 - Catalina (CSS)–LINEAR 309.81 2004/05/26 2314/04/01 2.01333 0.956027 66.80929 45.786
C/2012 Y1 - LINEAR 233.80 2013/01/18 2246 2.0162 0.94687 20.9594 37.95
C/1992 Q2 - Helin–Lawrence 452.00 1993/03/15 2445 2.038458 0.965365 106.8481 58.8554
C/2014 S3 - PANSTARRS 900.00 2014/08/13 2900 2.049 0.977 169.321 90
C/2003 K1 - Spacewatch 250.00 2002/12/20 2250 2.086 0.947 129.81 40
C/2003 H2 - LINEAR 235.90 2003/05/17 2239/05/01 2.17853 0.94293 72.218 38.18
C/1855 G1 - Schweizer 500.00 1855/02/05 2355 2.193526 0.965185 128.5764 63.0052
C/2009 F5 - McNaught 718.00 2008/11/04 2726 2.24534 0.972 84.9905 80.2
C/2017 A1 - PANSTARRS 800.00 2017/05/17 2800 2.290 0.974 49.81 90
C/2015 T4 - PANSTARRS 812.20 2016/06/18 2828 2.296376 0.973620 87.91718 87.05
C/2005 N4 - Catalina (CSS) 444.00 2005/07/02 2450 2.30373 0.9604 116.6298 58.2
C/2009 B2 - LINEAR 270.00 2009/03/07 2279 2.32762 0.9443 156.873 41.8
C/1973 H1 - Huchra 829.00 1973/03/11 2802 2.384337 0.972977 48.329 88.2336
C/2013 J6 - Catalina (CSS) 463.00 2013/04/09 2475 2.41572 0.9596 85.055 59.9
C/2000 J1 - Ferris 370.00 2000/05/11 2370 2.5417 0.951 98.78 51
C/2012 F1 - Gibbs 630.00 2012/02/19 2645 2.5509 0.965 129.3968 74
C/2010 KW7 - WISE 997.70 2010/10/11 3008 2.570441 0.97425 147.06087 99.84
C/2006 S5 - Hill 961.70 2007/12/09 2969/08/28 2.630434 0.973002 10.13138 97.430
A/2016 EJ203 - Lemmon 500.00 2016/07/05 2520 2.736 0.957 170.991 63
C/2008 H1 - LINEAR 371.00 2008/03/16 2380 2.76026 0.9465 75.492 51.6
C/2010 L4 - WISE 717.00 2010/02/23 2726 2.8255 0.9647 102.818 80.1
A/2016 CO264 - PANSTARRS 340.00 2016/08/15 2356 3.0168 0.9380 129.846 48.7
C/2004 HV60 - Spacewatch 2003/12/15 Too uncertain to determine 3.07 0.94 92.6 50
C/1998 K1 - Mueller 491.00 1998/09/01 2489 3.41659 0.94511 35.6361 62.2
C/2010 F1 - Boattini 566.00 2009/11/10 2575 3.58752 0.9476 64.936 68.4
C/2005 O1 - NEAT 365.00 2005/05/17 2370 3.5909 0.9297 155.981 51.1
C/1986 E1 - Shoemaker 555.00 1986/03/11 2541 3.593864 0.94678 159.809 67.5284
C/2001 S1 - Skiff 388.00 2001/06/02 2389 3.749 0.9295 139.1322 53.2
C/2003 S4-B - LINEAR 253.00 2004/05/23 2250 3.84 0.904 40.43 40
C/2003 S4-A - LINEAR 224.00 2004/05/30 2230 3.874 0.895 40.71 36.9
C/2007 T5 - Gibbs 320.98 2008/05/24 2328/05/01 4.049254 0.91362 45.61521 46.88
C/2014 G3 - PANSTARRS 421.00 2015/02/02 2436 4.6986 0.9164 155.8268 56.2
C/2005 H1 - LINEAR 314.40 2004/10/28 2319/04/01 4.7686 0.89687 81.5121 46.24
C/2011 KP36 - Spacewatch 238.03 2016/05/27 2254/06/05 4.883081 0.872862 18.985920 38.4077
C/2010 F3 - Scotti 497.70 2010/08/04 2508 5.44669 0.91327 4.64758 62.8
C/2010 D4 - WISE 520.10 2009/03/30 2519/05/01 7.14822 0.88947 105.65965 64.67