- 47P/Ashbrook-Jackson
Infobox Comet
name=47P/Ashbrook-Jackson
discoverer=Joseph Ashbrook United States Cyril V. Jackson South Africa
discovery_date=August 26 ,1948
designations=1948 IX; 1956 II; 1963 VI; 1971 III; 1978 XIV; 1986 II; 1993 XIII
epoch=March 6 ,2006
semimajor=4.1 AU
perihelion=2.759 AU
aphelion=5.44 AU
eccentricity=0.3269
period=8.301 a
inclination= 13.2252°
last_p=January 6 ,2001
next_p=January 30 ,2009 47P/Ashbrook-Jackson is a periodic
comet in oursolar system .History
The Comet 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 included for the names of its two discoverers.
Appearances
*
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 External links
* [http://cometography.com/pcomets/047p.html 47P at Kronk's Cometography]
ources
* [http://cometography.com/pcomets/047p.html cometography.com]
* [http://cometography.com/pergroup1.html Periodic comets]
Wikimedia Foundation. 2010.