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89P/Russell is a periodic comet in the Solar System with a current orbital period of 7.28 years.

It was discovered on a photographic plate by Kenneth Russell of Siding Spring Observatory in New South Wales, Australia on 28 September 1980. Brightness was estimated at a magnitude of 17. The elliptical orbit calculated by Brian G. Marsden gave a perihelion date of 19 May 1980 and an orbital period of 7.12 years.

It has been observed on each subsequent apparition, most recently in 2009. The next perihelion is computed as 14 December 2016.

See also

• List of numbered comets

References

1. "89P/Russell 2". Retrieved 15 April 2015.
2. "89P/Russell Orbit". Minor Planet Center. Retrieved 2017-04-07.
3. "86P/Russell 2". Gary Kronk. Retrieved 15 April 2015.

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Lists of comets (more) Periodic comets Until 1985 (all) 1P/Halley 2P/Encke 3D/Biela 4P/Faye 5D/Brorsen 6P/d'Arrest 7P/Pons–Winnecke 8P/Tuttle 9P/Tempel 10P/Tempel 11P/Tempel–Swift–LINEAR 12P/Pons–Brooks 13P/Olbers 14P/Wolf 15P/Finlay 16P/Brooks 17P/Holmes 18D/Perrine–Mrkos 19P/Borrelly 20D/Westphal 21P/Giacobini–Zinner 22P/Kopff 23P/Brorsen–Metcalf 24P/Schaumasse 25D/Neujmin 26P/Grigg–Skjellerup 27P/Crommelin 28P/Neujmin 29P/Schwassmann–Wachmann 30P/Reinmuth 31P/Schwassmann–Wachmann 32P/Comas Solà 33P/Daniel 34D/Gale 35P/Herschel–Rigollet 36P/Whipple 37P/Forbes 38P/Stephan–Oterma 39P/Oterma 40P/Väisälä 41P/Tuttle–Giacobini–Kresák 42P/Neujmin 43P/Wolf–Harrington 44P/Reinmuth 45P/Honda–Mrkos–Pajdušáková 46P/Wirtanen 47P/Ashbrook–Jackson 48P/Johnson 49P/Arend–Rigaux 50P/Arend 51P/Harrington 52P/Harrington–Abell 53P/Van Biesbroeck 54P/de Vico–Swift–NEAT 55P/Tempel–Tuttle 56P/Slaughter–Burnham 57P/du Toit–Neujmin–Delporte 58P/Jackson–Neujmin 59P/Kearns–Kwee 60P/Tsuchinshan 61P/Shajn–Schaldach 62P/Tsuchinshan 63P/Wild 64P/Swift–Gehrels 65P/Gunn 66P/du Toit 67P/Churyumov–Gerasimenko 68P/Klemola 69P/Taylor 70P/Kojima 71P/Clark 72P/Denning–Fujikawa 73P/Schwassmann–Wachmann 74P/Smirnova–Chernykh 75D/Kohoutek 76P/West–Kohoutek–Ikemura 77P/Longmore 78P/Gehrels 79P/du Toit–Hartley 80P/Peters–Hartley 81P/Wild 82P/Gehrels 83D/Russell 84P/Giclas 85D/Boethin After 1985 (notable) 88P/Howell 92P/Sanguin 96P/Machholz 97P/Metcalf–Brewington 103P/Hartley 107P/Wilson–Harrington 108P/Ciffréo 109P/Swift–Tuttle 122P/de Vico 126P/IRAS 141P/Machholz 144P/Kushida 147P/Kushida–Muramatsu 153P/Ikeya–Zhang 156P/Russell–LINEAR 161P/Hartley–IRAS 162P/Siding Spring 168P/Hergenrother 169P/NEAT 177P/Barnard 178P/Hug–Bell 205P/Giacobini 209P/LINEAR 238P/Read 246P/NEAT 249P/LINEAR 252P/LINEAR 255P/Levy 273P/Pons–Gambart 289P/Blanpain 311P/PanSTARRS 322P/SOHO 323P/SOHO 332P/Ikeya–Murakami 333P/LINEAR 354P/LINEAR 362P 460P/PanSTARRS 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 331P/Gibbs 354P/LINEAR 358P/PANSTARRS P/2013 R3 (Catalina-PANSTARRS) (300163) 2006 VW139 Lost Recovered 9P/Tempel 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 113P/Spitaler 122P/de Vico 157P/Tritton 205P/Giacobini 206P/Barnard–Boattini 226P/Pigott–LINEAR–Kowalski 271P/van Houten–Lemmon 289P/Blanpain Destroyed 3D/Biela 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 85D/Boethin Visited by spacecraft 21P/Giacobini–Zinner (1985) 1P/Halley (1986) 26P/Grigg–Skjellerup (1992) 19P/Borrelly (2001) 81P/Wild (2004) 9P/Tempel (2005, 2011) C/2006 P1 (2007) 103P/Hartley (2010) 67P/Churyumov–Gerasimenko (2014) Near-Parabolic comets (notable) Until 1990 C/-43 K1 (Caesar's Comet) X/1106 C1 (Great Comet of 1106) C/1264 N1 (Great Comet of 1264) C/1402 D1 (Great Comet of 1402) C/1471 Y1 (Great Comet of 1472) 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/1901 G1 (Great Comet of 1901) C/1910 A1 (Great January Comet of 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) [de] C/1961 R1 (Humason) C/1962 C1 (Seki-Lines) C/1963 A1 (Ikeya) C/1963 R1 (Pereyra) C/1964 N1 (Ikeya) C/1965 S1 (Ikeya-Seki) C/1969 T1 (Tago-Sato-Kosaka) [de] 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 W1 (Aarseth-Brewington) C/1989 X1 (Austin) C/1989 Y1 (Skorichenko–George) After 1990 C/1990 K1 (Levy) 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 WM1 (LINEAR) C/2001 A2 (LINEAR) C/2001 OG108 (LONEOS) C/2001 Q4 (NEAT) C/2002 T7 (LINEAR) C/2002 V1 (NEAT) 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 N3 (Lulin) C/2007 Q3 (Siding Spring) C/2007 W1 (Boattini) 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/2013 A1 (Siding Spring) C/2013 R1 (Lovejoy) C/2013 US10 (Catalina) C/2013 V5 (Oukaimeden) C/2014 E2 (Jacques) C/2014 Q1 (PanSTARRS) C/2014 Q2 (Lovejoy) C/2015 ER61 (PanSTARRS) C/2015 V2 (Johnson) C/2017 K2 (PanSTARRS) 1I/2017 U1 ʻOumuamua C/2018 Y1 (Iwamoto) 2I/Borisov C/2019 U6 (Lemmon) C/2019 Y4 (ATLAS) C/2020 F3 (NEOWISE) C/2020 F8 (SWAN) C/2021 A1 (Leonard) C/2022 E3 (ZTF) C/2023 A3 (Tsuchinshan–ATLAS) C/2023 P1 (Nishimura) After 1910 (by name) Aarseth-Brewington Arend–Roland Austin Beljawsky Bennett Boattini Borisov Bowell Bradfield Brooks Catalina C/1999 F1 C/2013 US10 de Kock–Paraskevopoulos Eclipse Elenin Hale-Bopp Humason Hyakutake Ikeya C/1963 A1 C/1964 N1 Ikeya-Seki IRAS–Araki–Alcock ISON Iwamoto Jacques Johnson Kohoutek Lemmon C/2012 F6 C/2018 C2 C/2019 U6 Leonard Levy LINEAR C/1999 S4 C/2000 WM1 C/2001 A2 C/2002 T7 LONEOS C/2001 OG108 C/2007 F1 Lovejoy C/2007 E2 C/2011 W3 C/2013 R1 C/2014 Q2 Lulin Machholz McNaught C/2006 P1 C/2009 R1 McNaught–Russell Mrkos NEAT C/2001 Q4 C/2002 V1 NEOWISE Nishimura Oukaimeden ʻOumuamua Pan-STARRS C/2011 L4 C/2012 K1 311P/PanSTARRS C/2014 Q1 C/2015 ER61 C/2017 K2 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 C/2020 F8 Tago-Sato-Kosaka [de] Tsuchinshan–ATLAS West White–Ortiz–Bolelli Wilson–Hubbard [de] Yi–SWAN Zhu–Balam ZTF
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