1P/halley 1607 - 1994 !!
Posted: 12.10.2004, 12:24
Code: Select all
"900001 1P/Halley" "Sol"
{
Class "comet"
Texture "asteroid.jpg"
Mesh "halley.cmod"
Radius 7.6 # maximum semi-axis
MeshCenter [ -0.338 1.303 0.230 ]
Beginning 2308300.5 # 24/10/1607
Ending 2335640.5 # 31/08/1682
InfoURL http://neo.jpl.nasa.gov/cgi-bin/db?sstr=900001
EllipticalOrbit
{
Period 76.0628
SemiMajorAxis 17.9518609658566
Eccentricity 0.94749
Inclination 162.9055
AscendingNode 53.7701
ArgOfPericenter 107.5503
MeanAnomaly 359.954120706151
Epoch 2308300.5
}
RotationPeriod 170 # 7.1 day axial rotation period
Obliquity 66
PrecessionRate 97 # 3.7 day precession period
Albedo 0.04
}
"900002 1P/Halley" "Sol"
{
Class "comet"
Texture "asteroid.jpg"
Mesh "halley.cmod"
Radius 7.6 # maximum semi-axis
MeshCenter [ -0.338 1.303 0.230 ]
Beginning 2335640.5 # 31/08/1682
Ending 2363600.5 # 21/03/1759
InfoURL http://neo.jpl.nasa.gov/cgi-bin/db?sstr=900002
EllipticalOrbit
{
Period 77.4462
SemiMajorAxis 18.1688651885116
Eccentricity 0.967933
Inclination 162.2649
AscendingNode 55.5669
ArgOfPericenter 109.2214
MeanAnomaly 359.805545198797
Epoch 2335640.5
}
RotationPeriod 170 # 7.1 day axial rotation period
Obliquity 66
PrecessionRate 97 # 3.7 day precession period
Albedo 0.04
}
"900003 1P/Halley" "Sol"
{
Class "comet"
Texture "asteroid.jpg"
Mesh "halley.cmod"
Radius 7.6 # maximum semi-axis
MeshCenter [ -0.338 1.303 0.230 ]
Beginning 2363600.5 # 21/03/1759
Ending 2449400.5 # 17/02/1994
InfoURL http://neo.jpl.nasa.gov/cgi-bin/db?sstr=900003
EllipticalOrbit
{
Period 76.9238
SemiMajorAxis 18.0870829980814
Eccentricity 0.967686
Inclination 162.3725
AscendingNode 57.2458
ArgOfPericenter 110.7093
MeanAnomaly 0.101705855609093
Epoch 2363600.5
}
RotationPeriod 170 # 7.1 day axial rotation period
Obliquity 66
PrecessionRate 97 # 3.7 day precession period
Albedo 0.04
}Code: Select all
"900004 Halley" "Sol"
{
Class "comet"
Mesh "halley.cmod"
Texture "asteroid.jpg"
Radius 7.6 # maximum semi-axis
MeshCenter [ -0.338 1.303 0.230 ]
Beginning 2449400.5 # 17/02/1994
InfoURL http://neo.jpl.nasa.gov/cgi-bin/db?sstr=900004
EllipticalOrbit
{
Period 75.3159
SemiMajorAxis 17.8341442925537
Eccentricity 0.967142908462304
Inclination 162.262690579161
AscendingNode 58.4200809765684
ArgOfPericenter 111.332485104518
MeanAnomaly 38.3842644764366
Epoch 2449400.5 # 17/02/1994
}
# chaotic rotation, imperfectly defined:
# this version from "The New Solar System", 4th Edition; Eds.
# JK Beatty, CC Petersen, A Chaikin
RotationPeriod 170 # 7.1 day axial rotation period
Obliquity 66
PrecessionRate 97 # 3.7 day precession period
Albedo 0.04
}