47P/Ashbrook–Jackson

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47P/Ashbrook–Jackson
Discovery
Discovered by Joseph Ashbrook United States
Cyril V. JacksonSouth Africa
Discovery date August 26, 1948
Alternative
designations
1948 IX; 1956 II; 1963 VI;
1971 III; 1978 XIV; 1986 II;
1993 XIII
Orbital characteristics A
Epoch March 6, 2006
Aphelion 5.44 AU
Perihelion 2.759 AU
Semi-major axis 4.1 AU
Eccentricity 0.3269
Orbital period 8.301 a
Inclination 13.2252°
Last perihelion January 31, 2009
Next perihelion June 10, 2017[1]

47P/Ashbrook–Jackson is a periodic comet in our solar system.

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

History[edit]

Comet 47P/Ashbrook–Jackson was discovered by American and South African scientists 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]

  • 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. ^ Patrick Rocher (2010-03-01). "Note number : 0020 P/Ashbrook-Jackson : 47P". Institut de mecanique celeste et de calcul des ephemerides. Retrieved 2012-02-20. 
  2. ^ "JPL Small-Body Database Browser: 47P/Ashbrook-Jackson". Jet Propulsion Laboratory. 2010-01-21 last obs. Retrieved 2010-03-01. 

External links[edit]

Periodic comets (by number)
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46P/Wirtanen
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48P/Johnson