# Comet Hyakutake
# radius and orbit values are as described on
# http://www.psrd.hawaii.edu/Feb97/Bright.html
# rotaion period as described on
# http://www.lowell.edu/Research/Projects/hyakutake_research/hyaresearch.html
#
# ephemeris values obtained from Horizons 10jul03
# ephemeris values are no longer available for dates after 30 Dec 1996.
# 
"C1996 B2 Hyakutake" "Sol"
{
Class "comet"
Texture "asteroid.jpg"
Mesh "asteroid.cms"
Radius 1.3
RotationPeriod 6.23
#
#2450418.500000000 = A.D. 1996-Dec-01 00:00:00.0000 (CT)
#EC= 9.998972424367671E-01 QR= 2.302006430980918E-01 IN= 1.249226804321613E+02
#OM= 1.880592987945111E+02 W = 1.301731366226371E+02 Tp= 2.450204891150602E+06
#N = 9.295333380324437E-06 MA= 1.985565468156961E-03 TA= 1.511809795921010E+02
#A = 2.240230654131714E+03 AD= 4.480231107620330E+03 PR= 3.872911118626655E+07
#
EllipticalOrbit 
 { 
 Period              106032.524953615
 PericenterDistance       2.302006430980918E-01
 Eccentricity             9.998972424367671E-01
 Inclination              1.249226804321613E+02
 AscendingNode            1.880592987945111E+02
 ArgOfPericenter          1.301731366226371E+02
 MeanAnomaly              1.985565468156961E-03
 Epoch              2450418.5
 } 
 
}