11P/Tempel–Swift–LINEAR

For other comets of the same name, see Comet Tempel, Comet Swift, and List of comets discovered by the LINEAR project.

11P/Tempel–Swift–LINEAR
Infrared image of Comet T–S–L taken by NEOWISE on 4 January 2021.
Discovery
Discovered by
Discovery date
  • 27 November 1869
  • 11 October 1880
  • 7 December 2001
Designations
  • P/1869 W1, P/1880 T1
  • P/2001 X3
  • 1869 III, 1880 IV
  • 1891 V, 1908 II
  • 1869c, 1880e, 1891d
  • 1908d
Orbital characteristics
Epoch17 October 2024 (JD 2460600.5)
Observation arc154.75 years
Number of
observations		1,337
Aphelion5.18 AU
Perihelion1.388 AU
Semi-major axis3.284 AU
Eccentricity0.57756
Orbital period5.95 years
Inclination14.435°
238.87°
Argument of
periapsis		168.04°
Mean anomaly235.14°
Last perihelion26 November 2020
Next perihelion9 November 2026
TJupiter2.839
Earth MOID0.403 AU
Jupiter MOID0.326 AU
Physical characteristics
Mean radius
0.6 km (0.37 mi)
Comet total
magnitude (M1)		15.2
Comet nuclear
magnitude (M2)		18.6

11P/Tempel–Swift–LINEAR is a periodic comet with a 5.95-year orbit around the Sun.

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