47P/Ashbrook–Jackson

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47P/Ashbrook–Jackson
Discovery
Discovered byJoseph Ashbrook United States
Cyril V. JacksonSouth Africa
Discovery dateAugust 26, 1948
Alternative
designations
1948 IX; 1956 II; 1963 VI;
1971 III; 1978 XIV; 1986 II;
1993 XIII
Orbital characteristics A
EpochMarch 6, 2006
Aphelion5.44 AU
Perihelion2.759 AU
Semi-major axis4.1 AU
Eccentricity0.3269
Orbital period8.301 a
Inclination13.2252°
Jupiter MOID0.117 AU (17,500,000 km)[2]
Last perihelionJune 10, 2017[1]
January 31, 2009
Next perihelion2025-Oct-28 (JPL Horizons last obs 2018-10-13)

47P/Ashbrook–Jackson is a periodic comet in the Solar System.

The comet nucleus is estimated to be 5.6 kilometers in diameter.[2]

History[edit]

Comet 47P/Ashbrook–Jackson was discovered by Joseph Ashbrook and Cyril Jackson in 1948.

Name[edit]

47p is in the name because it was the 47th periodic comet discovered. Ashbrook–Jackson is the names of its two discoverers.

Apparitions[edit]

  • October 28, 2025
  • June 10, 2017
  • January 31, 2009
  • January 6, 2001
  • July 14, 1993
  • January 24, 1986
  • August 19, 1978
  • March 13, 1971
  • October 2, 1963
  • April 6, 1956
  • October 4, 1948

References[edit]

  1. ^ MPC
  2. ^ a b "JPL Small-Body Database Browser: 47P/Ashbrook-Jackson" (2010-01-21 last obs). Jet Propulsion Laboratory. Retrieved 2010-03-01.

External links[edit]

Numbered comets
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46P/Wirtanen
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48P/Johnson