47P/Ashbrook–Jackson

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°
Jupiter MOID 0.117 AU (17,500,000 km)[1]
Last perihelion January 31, 2009
Next perihelion June 10, 2017[2]

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

The comet nucleus is estimated to be 5.6 kilometers in diameter.[1]

History

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

Name

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

Apparitions

  • 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

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