List of near-parabolic comets

The following is a list of comets with a very high eccentricity (generally 0.99 or higher) and a period of over 1,000 years that don't quite have a high enough velocity to escape the Solar System. Often, these comets, due to their extreme semimajor axes and eccentricity, will have small orbital interactions with planets and minor planets, most often ending up with the comets fluctuating significantly in their orbital path. These comets probably come from the Oort cloud, a cloud of comets orbiting the Sun from ~10,000 to roughly 50,000 AU. The actual orbit of these comets significantly differs from the provided coordinates, and a Solar System barycentric orbit is a more accurate measurement of its long-term orbit.

List of near-parabolic comets

Comet designation Comet name
/discoverer
 Semimajor axis (AU) Eccentricity Inclination (°) Perihelion distance (AU) Absolute magnitude Perihelion date Period (√a3)
(years)
C/1680 V1 Great Comet of 1680 444.4285 0.999986 60.6784 0.006222 1680/12/18 9370
C/1769 P1 Messier 163.4554 0.999249 40.7338 0.122755 1769/10/08 2090
C/1785 E1 Méchain 120.6893 0.99646 92.639 0.42724 1785/04/08 1325
C/1807 R1 Great comet of 1807 143.2012 0.995488 63.1762 0.646124 1807/09/19 1710
C/1811 F1 Great Comet of 1811 212.3922 0.995125 106.9342 1.035412 1811/09/12 3100
C/1822 N1 Pons 310.8303 0.996316 127.3429 1.145099 1822/10/24 5480
C/1823 Y1 Great Comet of 1823 170 0.9987 103.68 0.2252 1823/12/09 2300
C/1825 K1 Gambart 246.605 0.996395 123.3414 0.889011 1825/05/31 3870
C/1825 N1 Pons 271.5793 0.995431 146.4353 1.240846 1825/12/11 4480
C/1826 P1 Pons 340.063 0.997492 25.9496 0.852878 1826/10/09 6270
C/1840 B1 Galle 180.8076 0.99325 120.7807 1.220451 1840/03/13 2430
C/1844 N1 Mauvais 3520.1687 0.999757 131.4092 0.855401 1844/10/17 208900
C/1844 Y1 Great Comet of 1844 358.9355 0.999302 45.5651 0.250537 1844/12/14 6800
C/1846 B1 de Vico 194.9063 0.992403 47.4257 1.480703 1846/01/22 2720
C/1847 C1 Hind 473.2556 0.99991 48.6636 0.042593 1847/03/30 10300
C/1847 N1 Mauvais 1251.6357 0.998589 96.5817 1.766058 1847/08/09 44280
C/1849 G1 Schweizer 568.5696 0.998427 66.9587 0.89436 1849/06/08 13560
C/1850 J1 Petersen 771.8979 0.998599 68.1848 1.081429 1850/07/24 21450
C/1854 R1 Klinkerfues 118.2650 0.993246 40.9201 0.798762 1854/10/28 1290
C/1854 Y1 Winnecke-Dien 156.4219 0.991309 14.152 1.359463 1854/12/16 1960
C/1857 Q1 Klinkerfues 182.3447 0.996913 123.9614 0.562898 1857/10/01 2460
C/1858 L1 Donati 156.132 0.996295 116.9512 0.578469 1858/09/30 1950
C/1863 G1 Klinkerfues 1269.962 0.999159 112.6209 1.068038 1863/04/05 45260
C/1863 G2 Respighi 682.7155 0.999079 85.4961 0.628781 1863/04/21 17840
C/1863 V1 Tempel 630.1632 0.998879 78.0817 0.706413 1863/11/09 15820
C/1864 N1 Tempel 249.1888 0.996351 178.1269 0.90929 1864/08/16 3930
C/1864 O1 Donati-Toussaint 1450.486 0.999358 109.7124 0.931212 1864/10/11 55240
C/1871 G1 Winnecke 299.3138 0.997814 87.6034 0.6543 1871/06/11 5180
C/1871 V1 Tempel 161.2851 0.995714 98.2992 0.691268 1871/12/20 2050
C/1873 Q1 Borrelly 225.7138 0.996482 95.9662 0.794061 1873/09/11 3390
C/1873 Q2 Henry 1425.6037 0.99973 121.4625 0.384913 1873/10/02 53830
C/1874 H1 Coggia 572.6966 0.99882 66.3439 0.675782 1874/07/07 13710
C/1874 O1 Borrelly 840.5894 0.998831 41.8266 0.982649 1874/08/27 24370
C/1877 G1 Winnecke 730.7538 0.9987 121.1548 0.94998 1877/04/18 19750
C/1877 G2 Swift 485.8223 0.997923 77.1916 1.009053 1877/04/27 10700
C/1881 K1 Great Comet of 1881 178 0.99589 63.4253 0.734547 1881/06/16 2390
C/1881 W1 Swift 195.8064 0.990169 144.8016 1.924973 1881/11/20 2740
C/1882 F1 Wells 10127.1667 0.999994 73.7977 0.060763 1882/06/11 1019140
C/1887 J1 Barnard 356.7476 0.996093 17.5479 1.393813 1887/06/17 7640
C/1888 D1 Sawerthal 169.3582 0.995874 42.2482 0.698772 1888/03/17 2200
C/1888 P1 Brooks 9806.8043 0.999908 74.1904 0.902226 1888/07/31 971160
C/1888 U1 Barnard 179.494 0.991488 56.3425 1.527853 1888/09/13 2400
C/1889 G1 Barnard 12393.3846 0.999818 163.8517 2.255596 1889/06/11 1379700
C/1889 O1 Davidson 435.2118 0.997611 65.9916 1.039721 1889/07/19 9080
C/1890 O2 Denning 1550.0898 0.999187 98.9373 1.260223 1890/09/25 61030
C/1890 V1 Zona 495.8077 0.995872 154.307 2.046694 1890/08/07 11040
C/1892 E1 Swift 809.1663 0.998731 38.7002 1.026832 1892/04/07 23020
C/1893 N1 Rordame-Quénisset 1249.1648 0.99946 159.9804 0.674549 1893/07/07 44150
C/1893 U1 Brooks 231.2706 0.996489 129.8233 0.811991 1893/09/19 3520
C/1898 V1 Chase 4634.0588 0.999507 22.5046 2.2846 1898/09/20 315460
C/1902 R1 Perrine 12533.5625 0.999968 156.3548 0.4011 1902/11/24 1403170
C/1903 A1 Giacobini 1244.1242 0.99967 30.9416 0.4106 1903/03/16 43880
C/1907 L2 Daniel 424.6874 0.998794 8.9577 0.512173 1907/09/04 8750
C/1909 L1 Borrelly-Daniel 160.9095 0.994762 52.0803 0.842844 1909/06/05 2040
C/1910 A1 Great January comet of 1910 25795 0.999995 138.7812 0.128975 1910/01/17 4142890
C/1910 P1 Metcalf 9596.1232 0.999797 121.0556 1.948013 1910/09/16 940030
C/1911 N1 Kiess 184 0.9963 148.42 0.68383 1911/06/30 2500
C/1911 O1 Brooks 163.1454 0.997005 16.4153589 0.489429 1911/10/28 2090
C/1911 S2 Quénisset 429.6907 0.998167 108.1 0.787623 1911/11/12 8910
C/1913 J1 Schaumasse 309.1747 0.995288 152.3673 1.456831 1913/05/15 5436
C/1913 R1 Metcalf 555.7869 0.99756 143.3547 1.35612 1913/09/14 13100
C/1914 S1 Campbell? 534.2999 0.998666 77.836 0.712756 1914/08/05 12350
C/1916 G1 Wolf 2834.363 0.999405 25.6592 1.686446 1917/06/17 150900
C/1920 X1 Skjellerup 193.9334 0.994081 22.0303 1.147892 1920/12/11 2700
C/1922 B1 Reid 125.0064 0.986968 32.4456 1.629083 1921/10/28 1400
C/1922 W1 Skjellerup 147.4206 0.993735 23.3659 0.92359 1923/01/04 1790
C/1924 F1 Reid 1252.2789 0.998598 72.3273 1.755695 1924/03/13 44320
C/1925 F2 Reid 334.418 0.995116 26.9797 1.633299 1925/07/29 6120
C/1926 B1 Blathwayt 176.6645 0.992384 128.2986 1.345477 1926/01/02 2350
C/1927 E1 Stearns 2023.0104 0.998179 87.6525 3.683902 1927/03/22 90990
C/1927 X1 Skjellerup-Maristany 1100.9813 0.99984 85.1126 0.176157 1927/12/18 36530
C/1929 Y1 Wilk 691.5998 0.999028 124.5103 0.672235 1930/01/22 18190
C/1930 D1 Peltier–Schwassmann–Wachmann 581.6554 0.998131 99.883 1.087114 1930/11/15 14030
C/1931 P1 Ryves Comet 111.1632 0.999326 169.2881 0.074924 1931/08/25 1180
C/1936 K1 Peltier 133.7226 0.991775 78.5447 1.099868 1936/06/08 1550
C/1937 N1 Finsler 57516 0.999985 146.4156 0.862744 1937/08/15 13793870
C/1939 B1 Kozik-Peltier 146.3133 0.995103 63.5238 0.716496 1939/02/06 1770
C/1939 H1 Jurlof-Achmarof-Hassel 346.8588 0.998477 138.1212 0.528266 1939/04/10 6460
C/1939 V1 Friend 336.6129 0.997192 92.952 0.945209 1939/11/05 6180
C/1941 B2 de Kock-Paraskevopoulos 879.7695 0.999102 168.2039 0.790033 1941/01/27 26100
C/1942 X1 Whipple-Fedtke-Tevzadze 173.4555 0.992196 19.7127 1.353647 1943/02/06 2280
C/1944 H1 Väisälä 370.9009 0.9935 17.2882 2.410856 1945/01/04 7140
C/1947 F1 Rondanina-Bester 217.5667 0.997427 39.3015 0.559799 1947/05/20 3210
C/1947 X1-A Southern Comet of 1947 243.4336 0.999548 138.5419 0.110032 1947/12/02 3800
C/1947 X1-B Southern Comet of 1947 296.558 0.999629 138.5332 0.110023 1947/12/02 5110
C/1948 L1 Honda-Bernasconi 1661.024 0.999875 23.1489 0.207628 1948/05/15 67700
C/1948 N1 Wirtanen 3884.5787 0.999352 130.2675 2.517207 1949/05/01 242110
C/1948 V1 Eclipse Comet of 1948 2083.4 0.999935 23.117 0.135421 1948/10/27 95100
C/1948 W1 Bester 509.1675 0.997499 87.6054 1.273428 1948/10/22 11490
C/1949 N1 Bappu–Bok-Newkirk 1517.8296 0.998644 105.7686 2.058177 1949/10/26 59130
C/1951 P1 Wilson–Harrington 2836.8851 0.999739 152.5337 0.740427 1952/01/12 151100
C/1952 M1 Peltier 4605.0766 0.999739 45.5521 1.201925 1952/06/15 312500
C/1952 Q1 Harrington 407.0848 0.99591 59.1154 1.664977 1953/01/05 8210
C/1953 G1 Mrkos–Honda 391.7716 0.997391 93.8573 1.022132 1953/05/26 7750
C/1955 N1 Bakharev-Macfarlane-Krienke 244.7197 0.994167 50.0329 1.42745 1955/07/11 3830
C/1957 P1 Mrkos 558.9496 0.999365 93.9411 0.354933 1957/08/01 13210
C/1958 D1 Burnham 23205.0702 0.999943 15.7879 1.322689 1958/04/16 3534880
C/1958 R1 Burnham-Slaughter 12150.7313 0.999866 61.2576 1.628198 1959/03/11 1339380
C/1959 X1 Mrkos 4974.0634921 0.999748 19.6339 1.253464 1959/11/13 350810
C/1960 Y1 Candy 105.1101 0.9899 150.9552 1.061612 1961/02/08 1080
C/1961 O1 Wilson 1057.8684 0.999962 24.2116 0.040199 1961/07/17 34410
C/1961 R1 Humason 204.5261 0.989569 153.278 2.133412 1962/12/10 2920
C/1963 F1 Alcock 792.3201 0.99806 86.2194 1.537101 1963/05/05 22300
C/1964 L1 Tomita-Gerber-Honda 123.03 0.995933 161.8323 0.500363 1964/06/30 1360
C/1964 P1 Everhart 361.1342 0.996513 67.9689 1.259275 1964/08/23 6860
C/1965 S1-B Ikeya–Seki 103.7067 0.999925 141.861 0.007778 1965/10/21 1060
C/1966 P1 Kilston 3821.7115 0.999376 40.2648 2.384748 1966/10/28 236260
C/1966 P2 Barbon 1111.0435 0.998183 28.7058 2.018766 1966/04/17 37033
C/1967 Y1 Ikeya–Seki 2000.6851 0.999152 129.3153 1.696581 1968/02/25 89490
C/1968 H1 Tago–Honda-Yamamoto 174 0.9961 102.1698 0.680378 9.8 1968/05/16 2300
C/1968 Y1 Thomas 705.6891 0.995301 45.2291 3.316033 1969/01/12 18750
C/1969 O1-A Kohoutek 1964.6686 0.999125 86.3128 1.719085 6.5 1970/03/21 87080
C/1969 T1 Tago-Sato-Kosaka 6400 0.999926 75.81773 0.4726395 1969/12/21 508060
C/1969 Y1 Bennett 141.21513 0.996193 90.0394 0.537606 1970/03/20 1680
C/1972 E1 Bradfield 494.778 0.998126 123.693 0.927214 1972/03/27 11010
C/1972 F1 Gehrels 1071.8224 0.996943 175.616 3.276561 1971/01/06 35090
C/1972 X1 Araya 54008.3111 0.99991 113.0902 4.860748 1972/12/18 12551360
C/1973 D1 Kohoutek 1082.2388 0.998723 121.5982 1.382019 1973/06/07 35600
C/1974 C1 Bradfield 1660.6964 0.999697 61.2842 0.503191 1974/03/18 67680
C/1974 F1 Lovas 7566.4724 0.999602 50.6485 3.011456 1975/08/22 658170
C/1975 T1 Mori-Sato-Fujikawa 632 0.997461 97.6077 1.603934 5.5 1975/12/25 15880
C/1975 V1-A Comet West 6780.2069 0.999971 43.0664 0.196626 1967/02/25 558300
C/1976 D1 Bradfield 136.9866 0.993811 46.834 0.84781 1976/02/24 1600
C/1976 J1 Harlan 5143.859 0.999695 38.8063 1.568877 1976/11/03 368920
C/1977 R1 Kohler 2170 0.999543 48.71188 0.9905761 7.3 1977/11/10 101000
C/1977 V1 Tsuchinshan 9817.545 0.999633 168.5495 3.603039 1977/06/24 972760
C/1978 T1 Seargent 220 0.99832 67.828 0.36988 1978/09/14 3300
C/1980 V1 Meier 285 0.99468 100.9864 1.51956 7.2 1980/12/09 4820
C/1980 Y1 Bradfield 944.8109 0.999725 138.585 0.259823 1980/12/29 29040
C/1980 Y2 Panther 1640 0.998991 82.64774 1.657269 6.1 1981/01/27 66500
C/1981 H1 Bus 2510.8713 0.999021 160.664 2.458143 1981/07/30 125816
C/1981 M1 Gonzalez 3857.1917 0.999395 107.1467 2.333601 1981/03/25 239560
C/1982 M1 Austin 1072 0.999396 84.4951 0.6478114 8.8 1982/08/24 35100
C/1983 N1 IRAS 4168.9638 0.99942 138.8364 2.417999 1983/05/02 269180
C/1984 N1 Austin 1891.4545 0.999846 164.1533 0.291284 1984/08/12 82260
C/1984 U1 Shoemaker 1145.723 0.995209 179.2123 5.489159 1984/09/03 38780
C/1984 V1 Levy-Rudenko 1160 0.99921 65.7146 0.917949 9.4 1984/12/14 39600
C/1984 W2 Hartley 9501.7435 0.999579 89.3273 4.000234 1985/09/28 926200
C/1985 R1 Hartley-Good 5800 0.999881 79.9294 0.694577 8.4 1985/12/09 450000
C/1986 N1 Churyumov-Solodovnikov 5669.7575 0.999534 114.9293 2.642107 1986/05/06 426920
C/1986 V1 Sorrells 18913.7912 0.999909 160.5801 1.721155 1987/03/09 2601160
C/1987 B1 Nishikawa-Takamizawa–Tago 207 0.9958 172.22989 0.869589 7.4 1987/03/17 2980
C/1987 P1 Bradfield 165.2 0.99474 34.08809 0.868956 6 1987/11/07 2123
C/1987 U3 McNaught 406 0.99792 97.5751 0.84393 6.9 1987/12/02 8200
C/1988 A1 Liller 244.9295 0.996565 73.3224 0.841333 1988/03/31 3830
C/1988 F1 Levy 537.6264 0.997816 62.8074 1.174176 1987/11/29 12470
C/1988 J1 Shoemaker–Holt 541.2286 0.99783 62.8066 1.174466 1988/02/14 12590
C/1989 A1 Yanaka 1410 0.99866 52.4092 1.89458 5.1 1988/10/31 53000
C/1989 A5 Shoemaker 547.6156 0.99518 96.5548 2.639507 1989/02/26 12810
C/1989 T1 Helin–Roman–Alu 112.097 0.990657 46.0369 1.047322 1989/12/15 1190
C/1990 N1 Tsuchiya-Kiuchi 233.2246 0.995316 143.7839 1.092424 1990/09/28 3560
C/1991 A2 Masaru Arai 151.0756 0.990507 70.9783 1.434161 1990/12/10 1860
C/1991 B1 Shoemaker–Levy 348.8963 0.993508 77.2881 2.265035 1991/12/31 6520
C/1991 Q1 McNaught-Russell 589.3992 0.994581 90.5062 3.19395 1992/05/03 14310
C/1991 R1 McNaught-Russell 11160.2875 0.999374 104.5086 6.98634 1990/11/12 1179000
C/1991 T2 Shoemaker–Levy 6000 0.999860 113.49709 0.8362597 7.7 1992/07/24 4650000
C/1992 F1 Tanaka–Machholz 312.7164 0.995966 79.2924 1.261498 1992/04/22 5530
C/1992 J1 Spacewatch 77102.7179 0.999961 124.3187 3.007006 1993/09/05 21409400
C/1992 U1 Shoemaker 3928.1053 0.999411 65.9859 2.313654 1993/03/25 246190
C/1993 Y1 McNaught-Russell 134.8 0.99356 51.5866 0.8676358 12.2 1994/03/31 1564
C/1994 E2 Shoemaker–Levy 431.4296 0.997314 131.2547 1.15882 1994/05/27 8960
C/1994 G1-A Takamizawa–Levy 1549.8632 0.999123 132.8728 1.35923 1994/05/22 61020
C/1994 J2 Takamizawa 545.4374 0.996429 135.9611 1.947757 1994/06/29 12740
C/1994 T1 Machholz 3820.7081 0.999517 101.7379 1.845402 1994/10/02 236170
C/1995 O1 Comet Hale–Bopp 185.86 0.9950817 89.430154 0.9141335 2.3 1997/04/01 2534
C/1995 Q1 Bradfield 220.6208 0.998022 147.3942 0.436388 1995/08/31 3280
C/1996 B1 Szczepanski 156.9 0.99076 51.9189 1.448788 7.1 1996/02/06 1965
C/1996 B2 Comet Hyakutake 2270 0.9998987 124.92266 0.2302293 7.3 1996/05/01 108000
C/1996 Q1 Tabur 800 0.9989 73.359 0.83984 11.0 1996/11/03 22000
C/1996 R1 Hergenrother–Spahr 132 0.9856 145.8144 1.89920 5.8 1996/08/28 1510
C/1996 R3 Lagerkvist 1000 0.995 39.28 5.22 10.5 1995/07/22 30000
C/1997 BA6 Spacewatch 3081 0.998884 72.71704 3.436463 4.9 1999/11/27 171000
C/1997 G2 Montani 529 0.99417 69.83548 3.084966 5.3 1998/04/16 12160
C/1997 J1 Mueller 255.5 0.990991 122.96833 2.302132 8.6 1997/05/03 4085
C/1997 L1 Zhu-Balam 2420 0.99797 72.9914 4.89956 6.5 1996/11/22 119000
C/1997 T1 Utsunomiya 920 0.998523 127.99262 1.3591096 8.0 1997/12/10 27910
C/1998 H1 Stonehouse 710 0.9979 104.693 1.48729 10.0 1998/04/14 19000
C/1998 K2 LINEAR 3210 0.999276 64.45667 2.323479 8.6 1998/09/01 182000
C/1998 K3 LINEAR 1700 0.9979 160.2056 3.5463 10.0 1998/03/07 70000
C/1998 M1 LINEAR 431 0.99277 20.38455 3.11812 5.4 1998/10/28 8950
C/1998 M2 LINEAR 1215 0.997758 60.18232 2.725333 8.5 1998/08/13 42400
C/1998 M4 LINEAR 1100 0.998 154.572 2.6001 9.5 1997/12/10 30000
C/1998 M5 LINEAR 438.3 0.996025 82.22889 1.7422899 8.0 1999/01/24 9176
C/1998 M6 Montani 5400 0.9989 91.540 5.9787 7.5 1998/10/06 400000
C/1998 P1 Williams 1700 0.999325 145.72831 1.146108 8.0 1998/10/17 70000
C/1998 Q1 LINEAR 358 0.99559 32.3058 1.57788 14.0 1998/06/29 6770
C/1998 T1 LINEAR 1657 0.999114 170.15995 1.467728 9.5 1999/06/25 67400
C/1998 U5 LINEAR 102.88 0.987981 131.76474 1.2364530 10.9 1998/12/21 1043.5
C/1999 A1 Tilbrook 177 0.99587 89.481 0.730741 12.0 1999/01/29 2350
C/1999 F1 Catalina (CSS) 6700 0.999136 92.03554 5.787022 4.6 2002/02/13 548000
C/1999 F2 Dalcanton 2640 0.99821 56.42742 4.71807 7.6 1998/08/23 135000
C/1999 H1 Lee 2775 0.9997449 149.35290 0.70810722 9.4 1999/07/11 146200
C/1999 J3 LINEAR 1600 0.99939 101.6561 0.976809 11.3 1999/09/20 64000
C/1999 K2 Ferris 155 0.9658 82.191 5.2903 7.0 1999/04/10 1920
C/1999 K3 LINEAR 235 0.9918 92.274 1.92878 12.0 1999/02/27 3600
C/1999 K6 LINEAR 346.8 0.993532 46.34384 2.246976 11.3 1999/07/24 6459
C/1999 K7 LINEAR 700 0.9966 135.159 2.3227 13.0 1999/02/24 18000
C/1999 L2 LINEAR 390 0.9951 43.942 1.90476 13.0 1999/08/04 7800
C/1999 N2 Lynn 298 0.99745 111.6559 0.7612844 10.3 1999/07/23 5150
C/1999 T1 McNaught–Hartley 8100 0.999856 79.97521 1.1716989 8.6 2000/12/13 740000
C/2000 B2 LINEAR 6000 0.9994 93.647 3.7762 10.3 1999/11/10 500000
C/2000 CT54 LINEAR 1916 0.998353 49.21252 3.155967 7.4 2001/06/19 83900
C/2000 K2 LINEAR 522.0 0.995332 25.63358 2.437066 9.3 2000/10/11 11930
C/2000 Y2 Skiff 490 0.99435 12.0875 2.76871 11.4 2001/03/21 10850
C/2001 A1 LINEAR 266 0.99095 59.941 2.4064 12.7 2000/09/17 4330
C/2001 A2-A LINEAR 2500 0.99969 36.487 0.779054 13 2001/05/24 130000
C/2001 A2-B LINEAR 1119 0.999304 36.47582 0.7790172 7 2001/05/24 37400
C/2001 C1 LINEAR 38000 0.99987 68.96470 5.10432 6.5 2002/03/28 7000000
C/2001 HT50 LINEAR–NEAT 1193.5 0.9976606 163.212126 2.7920832 7.4 2003/07/09 41230
C/2001 K3 Skiff 2870 0.99893 52.0265 3.06012 9.4 2001/04/22 153000
C/2001 K5 LINEAR 11410 0.999546 72.590342 5.184246 4.4 2002/10/11 1220000
C/2001 O2 NEAT 2200 0.9978 90.9262 4.8194 6.6 1999/10/17 103000
C/2001 Q1 NEAT 171.2 0.96593 66.9504 5.83397 7.7 2001/09/20 2241
C/2001 U6 LINEAR 1149 0.99617 107.25550 4.40642 6.5 2002/08/08 39000
C/2001 W1 LINEAR 2100 0.9989 118.645 2.39924 13.7 2001/12/24 100000
C/2001 X1 LINEAR 570 0.99700 115.6268 1.69793 11.3 2002/01/08 13500
C/2002 B2 LINEAR 1400 0.9972 152.8726 3.8422 10.1 2002/04/06 50000
C/2002 C2 LINEAR 9000 0.99964 104.88143 3.25375 9.9 2002/04/10 860000
C/2002 F1 Utsnomiya 950 0.999539 80.8770 0.4382989 10.5 2002/04/22 29300
C/2002 H2 LINEAR 276 0.99407 110.5011 1.63484 10.5 2002/03/23 4570
C/2002 J4 NEAT 29000 0.999874 46.52550 3.633722 8.4 2003/10/03 4900000
C/2002 K1 NEAT 9000 0.9997 89.723 3.23024 11.4 2002/06/16 900000
C/2002 K2 LINEAR 763 0.99314 130.8957 5.23506 8.2 2002/06/05 21100
C/2002 L9 NEAT 4460 0.99842 68.44211 7.03301 4.7 2004/04/05 297000
C/2002 O6 SWAN 350 0.99858 58.6240 0.494648 13.0 2002/09/09 6500
C/2002 P1 NEAT 414 0.98422 34.6061 6.5302 8.2 2001/11/23 8420
C/2002 V1 NEAT 1011 0.9999018 81.70600 0.0992581 10.4 2003/02/18 32100
C/2002 V2 LINEAR 5010 0.99864 166.77622 6.81203 8.4 2003/03/13 355000
C/2002 VQ94 LINEAR 202.14 0.966377 70.51612 6.796713 7.1 2006/02/06 2874.1
C/2002 X1 LINEAR 1376 0.998192 164.08943 2.4867001 9.8 2003/07/12 51020
C/2002 X5 Kudo-Fujikawa 1210 0.999843 94.15226 0.189935 10.6 2003/01/29 42000
C/2002 Y1 Juels–Holvorcem 250.6 0.997152 103.78154 0.7138096 9.8 2003/04/13 3967
C/2003 G2 LINEAR 440 0.9965 96.167 1.55337 16.0 2003/04/29 9000
C/2003 H1 LINEAR 2653 0.999156 138.667242 2.2396301 8.7 2004/02/22 136700
C/2003 H3 NEAT 13200 0.999780 42.81171 2.901441 9.6 2003/04/24 1510000
C/2003 J1 NEAT 577 0.99112 98.3135 5.12542 8.8 2003/10/10 13900
C/2003 L2 LINEAR 154.40 0.981446 82.05107 2.864801 9.9 2004/01/19 1918.7
C/2003 T2 LINEAR 6400 0.99972 87.5315 1.786352 9.8 2003/11/14 520000
C/2003 T3 Tabur 5730 0.999742 50.44443 1.4810758 5.8 2004/04/29 434000
C/2003 V1 LINEAR 603 0.99704 28.67513 1.78314 9.9 2003/03/11 14800
C/2004 F2 LINEAR 151.6 0.99056 104.9600 1.43044 13.2 2003/12/26 1870
C/2004 F4 Bradfield 238 0.999294 63.16456 0.168266 11.3 2004/04/17 3680
C/2004 G1 LINEAR 2000 0.999 114.489 1.202 14.5 2004/06/04 too uncertain to determine
C/2004 K1 Catalina (CSS) 1819 0.998131 153.747521 3.399147 7.9 2005/07/05 77600
C/2004 L1 LINEAR 858 0.997615 159.36082 2.04741344 12.6 2005/03/30 25100
C/2004 L2 LINEAR 790 0.995215 62.51864 3.778629 8.3 2005/11/15 22190
C/2004 P1 NEAT 8100 0.99925 28.8163 6.01377 10.1 2003/08/08 720000
C/2004 Q1 Tucker 186.78 0.989042 56.08768 2.0467255 9.8 2004/12/06 2552.8
C/2004 Q2 Comet Machholz 2403 0.9994986 38.588963 1.2050414 9.9 2005/01/24 117800
C/2004 RG113 LINEAR 700 0.997227 21.61823 1.942359 13.9 2005/03/03 18540
C/2004 T3 Siding Spring 5600 0.99842 71.9642 8.8644 6.6 2003/04/15 420000
C/2004 U1 LINEAR 3610 0.999264 130.62532 2.659321 9.0 2004/12/08 217000
C/2004 X2 LINEAR 1450 0.99738 72.118 3.79308 10.2 2004/08/24 55000
C/2004 YJ35 LINEAR 13000 0.99987 52.47641 1.781202 17.3 2005/03/03 1500000
C/2005 G1 LINEAR 18800 0.99974 108.41395 4.960798 7.7 2006/02/27 2600000
C/2005 L3 McNaught 13390 0.999582 139.449248 5.593622 6.4 2008/01/16 1550000
C/2005 N1 Juels–Holvorcem 729 0.998457 51.18017 1.125447 11.3 2005/08/22 19700
C/2005 R4 LINEAR 2067 0.99749 164.01260 5.188473 7.7 2006/03/08 94000
C/2005 S4 McNaught 5690 0.998972 107.95897 5.850109 7.9 2007/07/18 430000
C/2005 X1 Beshore 690 0.9958 91.944 2.8623 11.1 2005/07/05 18000
C/2005 YW LINEAR 190.4 0.989534 40.54361 1.9930109 7.4 2006/12/07 2628
C/2006 A1 Pojmański 2370 0.999765 92.73611 0.5553959 10.5 2006/02/22 115000
C/2006 A2 Catalina (CSS) 3800 0.99862 148.3226 5.3160 9.8 2005/05/20 240000
C/2006 B1 McNaught 1340 0.99776 134.28193 2.997591 10.3 2005/11/19 49100
C/2006 CK10 Catalina (CSS) 216.32 0.991900 144.26278 1.7521694 12.3 2006/07/03 3182
C/2006 K4 NEAT 1818 0.998246 111.33346 3.188618 8.8 2007/11/29 77500
C/2006 L1 Garradd 551 0.997345 143.24257 1.462070 8.6 2006/10/18 12930
C/2006 M1 LINEAR 153.67 0.976859 54.87693 3.556199 9.6 2007/02/13 1905.0
C/2006 O2 Garradd 420 0.99634 43.0287 1.55479 12.7 2006/10/05 8700
C/2006 Q1 McNaught 6890 0.9995986 59.050380 2.7637144 7.0 2008/07/03 571000
C/2006 U6 Spacewatch 1931 0.998706 84.87894 2.4983978 8.8 2008/06/05 84900
C/2006 V1 Catalina (CSS) 257.6 0.989618 31.11947 2.674906 9.0 2007/11/26 4136
C/2006 W3 Christensen 17990 0.9998262 127.074692 3.1262325 6.7 2009/07/06 2410000
C/2006 WD4 Lemmon 583.8 0.998987 152.70463 0.5912444 17.4 2007/04/28 14110
C/2006 XA1 LINEAR 252.0 0.992839 30.62941 1.804374 7.4 2007/07/21 4000
C/2007 B2 Skiff 737.2 0.995965 27.49527 2.9749171 8.1 2008/08/20 20020
C/2007 D3 LINEAR 652 0.99201 45.92022 5.20897 9.2 2007/05/27 16650
C/2007 E2 Lovejoy 1330 0.99918 95.8830 1.092939 10.9 2007/03/27 49000
C/2007 K1 Lemmon 436 0.97880 108.4325 9.23905 8.6 2007/05/07 9100
C/2007 K6 McNaught 224 0.9847 105.064 3.4330 10.6 2007/07/01 3350
C/2007 M1 McNaught 1564 0.99522 139.72142 7.47465 5.6 2008/08/11 61900
C/2007 M2 Catalina (CSS) 5360 0.999339 80.94565 3.541050 9.0 2008/12/08 392000
C/2007 M3 LINEAR 171.45 0.979768 161.76086 3.468759 9.9 2007/09/04 2245
C/2007 N3 Lulin 72000 0.9999833 178.373611 1.21225837 9.7 2009/01/10 19500000
C/2007 T1 McNaught 4040 0.999760 117.64244 0.9685028 11.1 2007/12/12 256000
C/2007 VO53 Spacewatch 12200 0.999603 86.99476 4.842732 7.1 2010/04/26 1350000
C/2007 Y2 McNaught 1210 0.99652 98.50321 4.20896 9.2 2008/04/08 42100
C/2008 C1 Chen-Gao 100000 0.99999 61.7845 1.262343 11.7 2008/04/16 too uncertain to determine
C/2008 E3 Garradd 3740 0.99852 105.07653 5.53103 5.1 2008/08/02 229000
C/2008 G1 Gibbs 365 0.98908 72.856 3.9898 10.5 2009/01/11 6980
C/2008 J1 Boattini 166.07 0.989617 61.78002 1.7242934 8.8 2008/07/13 2140.1
C/2008 L3 Hill 330 0.9939 100.201 2.0113 10.6 2008/04/22 5900
C/2008 N1 Holmes 973.1 0.997140 115.52100 2.7835117 9.9 2009/09/25 30360
C/2008 Q1 Maticic 593.6 0.995015 118.62662 2.959143 9.8 2008/12/30 14460
C/2008 Q3 Garradd 8900 0.999799 140.70663 1.7982291 6.1 2009/06/23 840000
C/2009 F1 Larson 106 0.9827 171.3755 1.8307 15.1 2009/06/25 1090
C/2009 F2 McNaught 346.1 0.98303 59.36694 5.87503 4.9 2009/11/14 6440
C/2009 F6 Yi-SWAN 512.2 0.997512 85.76481 1.274159 9.7 2009/05/07 11590
C/2009 K2 Catalina (CSS) 1460 0.997776 66.82192 3.246173 11.8 2010/02/07 55800
C/2009 O2 Catalina (CSS) 278.3 0.997501 107.96052 0.6955493 12.3 2010/03/24 4643
C/2009 T1 McNaught 3680 0.99831 89.89396 6.22041 8.5 2009/10/08 223000
C/2009 T3 LINEAR 4300 0.999470 148.74183 2.281140 13.5 2010/01/12 282000
C/2009 U3 Hill 167.88 0.991575 51.26077 1.414424 12.6 2010/03/20 2175
C/2009 U5 Grauer 10600 0.99943 25.4726 6.09424 9.1 2010/06/22 1090000
C/2009 W2 Boattini 16000 0.99956 164.49053 6.90713 6.9 2010/05/01 1900000
C/2009 Y1 Catalina (CSS) 375.4 0.993285 107.31660 2.5204945 6.5 2011/01/28 7273
C/2010 A4 Siding Spring 292.4 0.990638 96.73015 2.737999 7.4 2010/10/08 5001
C/2010 B1 Cardinal 2932 0.998997 101.97777 2.9414900 10.0 2011/02/07 158700
C/2010 D3 WISE 11600 0.99963 76.39488 4.24754 10.0 2010/09/03 1250000
C/2010 E1 Garradd 110.4 0.9759 71.698 2.66219 11.8 2009/11/07 1160
C/2010 FB87 WISE–Garradd 299.3 0.990500 107.62532 2.842764 8.5 2010/11/07 5177
C/2010 G1 Boattini 480 0.9975 78.3870 1.20455 13.1 2010/04/02 10000
C/2010 G3 WISE 2630 0.99814 108.26760 4.90765 8.9 2010/04/11 135000
C/2010 H1 Garradd 8400 0.99967 36.5317 2.74555 12.4 2010/06/18 800000
C/2010 J2 McNaught 6300 0.999460 125.85156 3.386994 10.4 2010/06/03 500000
C/2010 L3 Catalina (CSS) 12800 0.99923 102.63105 9.88290 4.7 2010/11/10 1400000
C/2011 A3 Gibbs 1167 0.997992 26.07435 2.344839 9.7 2011/12/16 39900
C/2011 C1 McNaught 344.1 0.997433 16.82561 0.8833784 12.7 2011/04/18 6380
C/2011 C3 Gibbs 320 0.99527 49.3760 1.51689 14.1 2011/04/07 5700
C/2011 F1 LINEAR 2780 0.999345 56.61904 1.818266 8.3 2013/01/07 146000
C/2011 H1 Lemmon 160 0.96 71.4 6.86 6.4 2006/01/18 2000
C/2011 N2 McNaught 10000 0.9997 33.675 2.5634 6.3 2011/10/18 too uncertain to determine
C/2011 O1 LINEAR 1210 0.996785 76.49889 3.890653 7.2 2012/08/18 42100
C/2011 Q1 PANSTARRS 3300 0.9979 94.8620 6.78009 7.5 2011/06/29 190000
C/2012 A2 LINEAR 978.2 0.996384 125.868509 3.5374738 8.4 2012/11/05 30590
C/2012 C1 McNaught 1274 0.99620 96.27770 4.837975 5.4 2013/02/04 45500
C/2012 CH17 MOSS 100000 0.999991 27.74418 1.296092 11.1 2012/09/28 too uncertain to determine
C/2012 E1 Hill 3760 0.99801 122.54208 7.50290 5.7 2011/07/04 231000
C/2012 E3 PANSTARRS 221 0.9827 105.658 3.8274 9.9 2011/05/12 3280
C/2012 F6 Lemmon 487.1 0.9984987 82.60885 0.7312382 5.5 2013/03/24 10750
C/2012 K5 LINEAR 774.4 0.9985256 92.848032 1.14181083 10.5 2012/11/28 21550
C/2012 K6 McNaught 4130 0.999188 135.21497 3.353033 8.8 2013/05/21 265000
C/2012 L1 LINEAR 767.3 0.997051 87.21917 2.262410 11.9 2012/12/25 21250
C/2012 L2 LINEAR 563.4 0.997322 70.98049 1.5085342 9.5 2013/05/09 13370
C/2012 L3 LINEAR 331 0.99079 134.19664 3.04503 9.0 2012/06/12 6020
C/2012 LP26 Palomar 6350 0.99897 25.37958 6.53605 8.8 2015/08/16 505000
C/2012 OP Siding Spring 1054 0.99658 114.82872 3.60707 11.2 2012/12/04 34200
C/2012 S4 PANSTARRS 250000 0.999983 126.54131 4.348730 9.2 2013/06/28 130000000
C/2012 T4 McNaught 110 0.983 24.092 1.953 12.7 2012/10/10 1200
C/2012 U1 PANSTARRS 12200 0.99957 56.33902 5.26390 8.3 2014/07/04 1350000
C/2012 V1 PANSTARRS 3800 0.99945 157.8399 2.0890 11.5 2013/07/21 230000
C/2012 V2 LINEAR 616.7 0.997641 67.18470 1.4547602 8.4 2013/08/16 15320
C/2012 X1 LINEAR 156.71 0.989803 44.36218 1.597956 5.7 2014/02/21 1962
C/2013 E2 Iwamoto 233.07 0.993936 21.85771 1.413322 10.6 2013/03/09 3558
C/2013 F2 Catalina (CSS) 8400 0.99926 61.74927 6.21785 7.1 2013/04/19 770000
C/2013 F3 McNaught 759 0.99703 85.4445 2.252612 12.3 2013/05/25 20900
C/2013 G5 Catalina (CSS) 2700 0.99965 40.617 0.92894 14.5 2013/09/01 140000
C/2013 G6 Lemmon 387.1 0.994708 124.08435 2.048499 6.8 2013/07/25 7620
C/2013 G7 McNaught 2190 0.99786 105.11012 4.677404 6.2 2014/03/18 102200
C/2013 G8 PANSTARRS 3340 0.99846 27.61506 5.14118 8.4 2013/11/14 193000
C/2013 H1 La Sagra 181.5 0.98542 27.0895 2.64696 6.2 2013/05/19 2445
C/2013 J3 McNaught 1950 0.99795 118.2255 3.98869 5.8 2013/02/22 86000
C/2013 J5 Boattini 10000 0.999 136.011 4.9049 10.0 2012/11/29 too uncertain to determine
C/2013 O3 McNaught 819 0.99612 102.83974 3.18010 11.1 2013/09/09 23400
C/2013 P2 PANSTARRS 2590 0.998904 125.53216 2.834925 11.8 2014/02/17 132000
C/2013 R1 Lovejoy 515.4 0.9984250 64.04094 0.81182562 11.6 2013/12/22 11702
C/2013 TW5 Spacewatch 450.8 0.98707 31.40046 5.83064 6.7 2014/08/17 9570
C/2013 U2 Holvorcem 891 0.99426 43.09366 5.116745 5.3 2014/10/25 26590
C/2013 V5 Oukaimeden 488.1 0.9987183 154.88544 0.6255811 10.8 2014/09/28 10784
C/2013 Y2 PANSTARRS 219.9 0.991275 29.41474 1.919086 9.7 2014/06/13 3262
C/2014 A5 PANSTARRS 152.3 0.96848 31.9046 4.79991 11.6 2014/08/14 1879
C/2014 C3 NEOWISE 108.4 0.98283 151.7843 1.86203 12.0 2014/01/16 1129
C/2014 E2 Jacques 688 0.999035 156.392752 0.6639172 10.4 2014/07/02 18060
C/2014 F1 Hill 3600 0.9990 108.2529 3.49638 10.4 2013/10/04 210000
C/2014 F2 Tenagra 148.20 0.97089 119.06119 4.314460 5.6 2015/01/02 1804
C/2014 G1 PANSTARRS 1000 0.9943 165.6403 5.4685 6.0 2013/11/06 30000
C/2014 H1 Christensen 141 0.9849 99.936 2.1389 14.8 2014/04/15 1700
C/2014 M2 Christensen 980 0.99293 32.4062 6.9085 7.9 2014/07/18 30500
C/2014 M3 Catalina (CSS) 138 0.9824 164.90964 2.43428 12.9 2014/06/21 1630
C/2014 N2 PANSTARRS 4700 0.99954 133.0132 2.184401 12.0 2014/10/08 330000
C/2014 N3 NEOWISE 5800 0.999331 61.63825 3.882231 4.7 2015/03/13 442000
C/2014 OE4 PANSTARRS 7710 0.999190 81.35345 6.24451 5.5 2016/12/10 680000
C/2014 Q1 PANSTARRS 1129 0.999721 43.10685 0.314570 9.8 2015/07/06 38000
C/2014 Q2 Lovejoy 579.4 0.9977728 80.301302 1.2903578 7.9 2015/01/30 13946
C/2014 QU2 PANSTARRS 260 0.9913 124.818 2.2233 13.3 2014/07/09 4100
C/2014 R1 Borisov 179.4 0.992501 9.93289 1.345431 9.8 2014/11/19 2403
C/2014 R4 Gibbs 3200 0.99943 42.4116 1.81797 8.7 2014/10/21 180000
C/2014 S2 PANSTARRS 169.71 0.987622 64.67037 2.100644 5.0 2015/12/09 2210.9
C/2014 U3 Kowalski 1100 0.9976 152.9921 2.5588 12.4 2014/09/03 40000
C/2014 W2 PANSTARRS 1610 0.998341 81.998347 2.6702156 7.9 2016/03/10 64570
C/2014 W8 PANSTARRS 5932 0.99917232 41.19923 4.9097878 10.6 2015/09/21 456878
C/2014 XB8 PANSTARRS 902 0.99666 149.7827 3.01028 6.8 2015/04/05 27100
C/2015 C2 SWAN 471 0.99849 94.5013 0.711372 14.9 2015/03/04 10200
C/2015 ER61 PANSTARRS 1484 0.999295 6.25965 1.046217 7.9 2017/05/09 57200
C/2015 F3 SWAN 232 0.99640 73.3865 0.83444 14.2 2015/03/09 3530
C/2015 F4 Jacques 116.37 0.985873 48.70495 1.6439255 11.4 2015/08/10 1255.3
C/2015 J2 PANSTARRS 246.9 0.98250 17.28183 4.32039 10.1 2015/09/08 3880
C/2015 K1 MASTER 180.6 0.98584 29.3817 2.55749 9.1 2014/10/13 2426
C/2015 K2 PANSTARRS 260 0.9944 29.110 1.45527 20.7 2015/06/08 4200
C/2015 M1 PANSTARRS 390 0.9946 57.310 2.0916 15.9 2015/05/15 8000
C/2015 M3 PANSTARRS 133.0 0.97328 65.95107 3.55241 11.5 2015/08/26 1533
C/2015 R3 PANSTARRS 3400 0.9985 83.6135 4.9033 5.0 2014/02/11 190000
C/2015 TQ209 LINEAR 1500 0.99906 11.3925 1.41314 10.8 2016/08/27 58000
C/2015 V3 PANSTARRS 822 0.99485 86.2318 4.23569 6.3 2015/11/24 23600
C/2015 WZ PANSTARRS 193.16 0.992873 134.13494 1.3766377 10.5 2016/04/15 2685
C/2015 Y1 LINEAR 292.5 0.99141 71.2196 2.514080 6.7 2016/05/15 5000
C/2016 A5 PANSTARRS 1200 0.9976 40.319 2.9469 12.8 2015/06/28 43000
C/2016 A6 PANSTARRS 400 0.994 120.96 2.414 7.2 2015/11/06 too uncertain to determine
C/2016 B1 NEOWISE 453 0.99293 50.4644 3.20625 5.9 2016/12/04 9700
C/2016 E2 Kowalski 100 0.992 135.95 1.074 19.5 2016/02/06 too uncertain to determine
C/2016 J2 Denneau 700 0.998 130.343 1.5184 15.3 2016/04/11 too uncertain to determine
C/2016 KA Catalina (CSS) 6000 0.9990 104.6293 5.4009 8.8 2016/02/01 400000
C/2016 M1 PANSTARRS 1760 0.99875 90.99839 2.21103 8.1 2018/08/10 74000
C/2016 N4 MASTER 8900 0.99964 72.5616 3.19888 8.4 2017/09/16 830000
C/2016 N6 PANSTARRS 1600 0.9984 105.8345 2.6699 5.0 2018/07/18 67000
C/2016 P4 PANSTARRS 330 0.9819 29.89 5.888 10.7 2016/10/16 5900
C/2016 Q2 PANSTARRS 1000 0.99 109.6 7.15 4.5 2021/05/18 too uncertain to determine
C/2016 R2 PANSTARRS 780 0.9967 58.2134 2.6020 5.1 2018/05/09 22000
C/2016 T1 Matheny 120 0.981 129.820 2.298 13.0 2017/02/01 1300
C/2016 T2 Matheny 101.8 0.98125 81.309 1.9077 6.7 2016/12/29 1027
C/2016 T3 PANSTARRS 144 0.9816 22.6727 2.6496 8.1 2017/09/06 1730
C/2016 VZ18 PANSTARRS 194.0 0.99531 24.0354 0.910285 18.7 2017/03/07 2700
C/2016 X1 Lemmon 2000 1.00 26.5 7.57 6.3 2019/05/01 Too uncertain to determine
C/2017 A3 Elenin 0 1.00 98.83 3.878 9.5 2017/02/13 Too uncertain to determine
A/2017 CW32 Lemmon 220 0.9866 152.444 2.95706 15.5 2017/05/26 3270
C/2017 C2 PANSTARRS 130 0.981 118.59 2.432 13.5 2017/01/21 1400

See also

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