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Title: 11P/Tempel–Swift–LINEAR  
Author: World Heritage Encyclopedia
Language: English
Subject: Lincoln Near-Earth Asteroid Research, Lost comet, Comets, 208P/McMillan, Antitail
Collection: Astronomical Objects Discovered in 1869, Comets, Periodic Comets
Publisher: World Heritage Encyclopedia


Discovered by

Ernst Tempel,
Lewis Swift &

Discovery date November 27, 1869
1869 W1; 1869 III;
1869c; 1880 T1;
1880 IV; 1880e;
1891 V; 1891d;
1908 II; 1908d;
2001 X3
Orbital characteristics A
Epoch January 6, 2002 (JD 2452280.5)
Aphelion 5.29 AU
Perihelion 1.584 AU
Semi-major axis 3.437 AU
Eccentricity 0.54
Orbital period 6.372 a
Inclination 13.46°
Last perihelion August 26, 2014[1]
May 4, 2008
Next perihelion November 26, 2020[2]

11P/Tempel–Swift–LINEAR is a periodic Jupiter-family comet in the Solar System.

Ernst Wilhelm Leberecht Tempel (Marseille) originally discovered the comet on November 27, 1869, it was later observed by Lewis Swift (Warner Observatory) on October 11, 1880, and realised to be the same comet.

After 1908 the comet became an unobservable lost comet, but on December 7, 2001, an object was found by the Lincoln Near-Earth Asteroid Research (LINEAR) program, and confirmed by previous images from September 10 and October 17 as being the same comet.[3] The comet was not observed during the 2008 unfavorable apparition[1][2] because the perihelion passage occurred when the comet was on the far side of the Sun. The comet was observed during the 2014 apparition.[2]


  1. ^ a b Seiichi Yoshida (2009-04-07). "11P/Tempel-Swift-LINEAR". Seiichi Yoshida's Comet Catalog. Retrieved 2012-02-19. 
  2. ^ a b c d "11P/Tempel-Swift-LINEAR Orbit".  
  3. ^  

External links

  • Orbital simulation from JPL (Java) / Horizons Ephemeris
  • 11P at Kronk's Cometography
Periodic comets (by number)
11P/Tempel–Swift–LINEAR Next

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