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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°
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

Comet 47P/Ashbrook–Jackson was discovered by American and South African scientists 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. ^ Patrick Rocher (2010-03-01). "Note number : 0020 P/Ashbrook-Jackson : 47P". Institut de mécanique céleste et de calcul des éphémérides. Retrieved 2012-02-20. 
  2. ^ "JPL Small-Body Database Browser: 47P/Ashbrook-Jackson" (2010-01-21 last obs). Jet Propulsion Laboratory. Retrieved 2010-03-01. 

External links

Periodic comets (by number)
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