#set term postscript
#set output "jup9822.ps"
set angles degrees
set polar
set offset 0 0 8 0
set title \
 "Jupiter geocentric longitude and distance each 10 days, in 5-year intervals"
plot "jup1998" using 2:4 with lines, \
     "jup1998" using 2:4 with points, \
     "jup2003" using 2:4 with points, \
     "jup2008" using 2:4 with points, \
     "jup2013" using 2:4 with lines, \
     4.0 with lines, 6.5 with lines