celestia/extras-standard/cassini/cassini.ssc

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"Cassini" "Sol"
{
Class "spacecraft"
Mesh "cassini.3ds"
Radius 0.011
InfoURL "http://saturn.jpl.nasa.gov/home/index.cfm"
# Orient the model according to the specification here:
# http://mapsview.engin.umich.edu/data_descriptions/spacecraft_overview.php
# Remote sensing pallet mounted on +X side of spacecraft
# Magnetometer boom extends in +Y direction
# Primary remote sensing boresight view is -Y
# Main engine firing direction is +Z
# High-gain antenna points -Z
# Huygens probe ejected in -X direction
Orientation [ 180 1 0 0 ]
Timeline [
# Phase 1: Launch and cruise
{
Beginning "1997 10 15 09:27:11"
Ending "2004 6 20 12:00:00"
OrbitFrame { EclipticJ2000 { Center "Sol" } }
SampledTrajectory { Source "cassini-cruise.xyzv" }
FixedRotation { Inclination 70 AscendingNode -90 }
}
# Phase 2: Saturn orbit (primary and equinox missions)
{
Ending "2010 6 20 12:00:00"
OrbitFrame { EclipticJ2000 { Center "Sol/Saturn" } }
SampledTrajectory { Source "cassini-orbit.xyzv" }
FixedRotation { Inclination 70 AscendingNode -90 }
}
# Phase 3: Solstice mission
{
# SPICE kernel continues until 21 Sep 2017, but the trajectory
# shows Cassini entering Saturn's atmosphere on 15 Sep.
Ending "2017 9 15 17:02:00"
OrbitFrame { EclipticJ2000 { Center "Sol/Saturn" } }
SampledTrajectory { Source "cassini-solstice.xyzv" }
FixedRotation { Inclination 70 AscendingNode -90 }
}
]
}
"Huygens" "Sol/Cassini"
{
Class "spacecraft"
Mesh "huygens.3ds"
Radius 0.00135
Orientation [ 90 0 0 1 ]
InfoURL "http://saturn.jpl.nasa.gov/home/index.cfm"
Timeline [
# Phase 1: With Cassini
{
Beginning 2450736.893877314 # 1997 Oct 15 09:27:11
Ending "2004 12 25 02:01:05.183"
OrbitFrame { BodyFixed { Center "Sol/Cassini" } }
BodyFrame { BodyFixed { Center "Sol/Cassini" } }
FixedPosition [ -0.0014 0 0.0002 ]
FixedRotation { Inclination 90 AscendingNode 90 }
}
# Phase 2: Free flight to Titan
{
Ending "2005 01 14 09:07:00"
OrbitFrame { EclipticJ2000 { Center "Sol/Saturn" } }
BodyFrame { EclipticJ2000 { Center "Sol" } }
SampledTrajectory { Source "huygens.xyzv" }
UniformRotation
{
AscendingNode 0
Inclination 90
MeridianAngle 0
Epoch 2453364.5847 # 2004 Dec 25 02:01:58
Period 0.125 # 7.5 revolutions per minute
}
}
] # End Timeline
}