[mithrandir (Andrew)]

Originally Posted by trent_julie

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The data is then processed by this website;
http://projects.familie-steinel.de/s...ium-comet-jpl/

...

If anyone was having problems with the comet ephemeris Andreas's web page was generating, I found the issue and Andreas has fixed it. Here are the values it now generates for C/2009 R1 and 81P/Wild 2.

[McNaught_C2009_R1]
# Data taken from JPL/HORIZONS
# correct for the specified time frame:
# Start Time : A.D. 2010-May-20 00:00:00.0000 CT
# Stop Time : A.D. 2010-May-20 00:00:00.0000 CT
name = Comet McNaught (C/2009 R1)
parent = Sun
coord_func = comet_orbit
radius = 10
oblateness = 0.0
albedo = 1
lighting = true
halo = true
color = 1.0,1.0,1.0
tex_halo = star16x16.png
tex_map = nomap.png
lighting = false
orbit_TimeAtPericenter = 2455380.1775793815
orbit_PericenterDistance = 0.4050275619047953
orbit_Eccentricity = 1.000351479723997
orbit_ArgOfPericenter = 130.7002706662588
orbit_AscendingNode = 322.6220299273699
orbit_Inclination = 77.03248212005248

[81PWild_2]
# Data taken from JPL/HORIZONS
# correct for the specified time frame:
# Start Time : A.D. 2010-May-20 00:00:00.0000 CT
# Stop Time : A.D. 2010-May-20 00:00:00.0000 CT
name = Comet 81P/Wild 2
parent = Sun
coord_func = comet_orbit
radius = 10
oblateness = 0.0
albedo = 1
lighting = true
halo = true
color = 1.0,1.0,1.0
tex_halo = star16x16.png
tex_map = nomap.png
lighting = false
orbit_TimeAtPericenter = 2455250.194174124
orbit_PericenterDistance = 1.598059094133712
orbit_Eccentricity = 0.5373364222432003
orbit_ArgOfPericenter = 41.79053485678668
orbit_AscendingNode = 136.0961580662001
orbit_Inclination = 3.237267810579713