http://sourceforge.net/projects/stellarium/forums/forum/278769/topic/4572493 [PANSTARRS_c2011_L4]
name = C/2011 L4
parent = Sun
radius = 10
oblateness = 0.0
halo = true
color = 1.0,1.0,1.0
tex_halo = star16x16.png
tex_map = nomap.png
coord_func = comet_orbit
orbit_TimeAtPericenter = 2456329.3937
urbit_PericenterDistance = 0.337628
orbit_Eccentricity = 1.0
orbit_ArgOfPericenter = 331.2931
orbit_AscendingNode = 67.5247
orbit_Inclination = 59.95487
lighting = false albedo = 1
orbit_visualization_period = 365.25
http://familystar.org.tw/index.php?option=com_smf&Itemid=45&topic=16593.0