#
# TTA Other Systems Data File
# $Revision: 1.4 $ - $Date: 2006/11/08 02:38:50 $
# by Jimmy "Gregor" McKinney
#
# TTA concept and material originally published 
# as Spacecraft 2000 to 2100 AD
# Copyright ©1990 Stewart Cowley
# and licensed to Morrigan Press Inc.
# Used with permission

# Sirius A - 2.14 Solar Masses

"Sirius III" "Sirius A" 
{ 
	# Gravity: 0.916770673534123 g 
	# Density: 4.28 g/cm^3 
	# Volume: 1.64670121960164 earth volumes 
	# Mass: 1.27841124975422 earth masses 
	# Roche Limit: 18257.0832 km 
	# Radius: 7531.8 km 
	# Semimajor Axis: 3.2AU  
	# Period: 5.45792878185876 years


	Class "planet" 
	Texture "venus.*"
	Radius 7531.8

	CustomOrbit "Sirius-3"
	EllipticalOrbit 
	{ 
		SemiMajorAxis     3.2 
		Period            5.457929
		Inclination      15.817
	} 

	Atmosphere {
		Height 60
		Lower [ 0.43 0.52 0.65 ]
		Upper [ 0.26 0.47 0.84 ]
		Sky [ 0.40 0.6 1.0 ]
		Sunset [ 1.0 0.6 0.2 ]
		CloudHeight 7
		CloudSpeed 50
		CloudMap "venuslike.*"
	}

	RotationPeriod         35.2 
	Obliquity             5 
                InfoURL "http://www.niflheim.net/worlds/sirius.html#s3"
}


# Lalande 21185 - 0.46 Solar Masses

"Lalande I" "Lalande 21185"
{
	# Gravity: 0.812804277502427 g 
	# Density: 5.492 g/cm^3 
	# Volume: 0.543163193663849 earth volumes 
	# Mass: 0.541094188210023 earth masses 
	# Roche Limit: 12614.496 km 
	# Radius: 5204 km 
	# Semimajor Axis: 0.163AU  
	# Period: 0.0627458117457122 years

	class "planet"
	Radius 5204  # equatorial

	Texture "io.*"
	# SpecularTexture "proxima2spec.*"

	Color [ 0.85 0.85 1.0 ]
	SpecularColor [ 0.5 0.5 0.55 ]
	SpecularPower 25.0
	HazeColor [ 1 1 1 ]
	HazeDensity 0.3

	Atmosphere {
		Height 52
		Lower [ 0.84 0.5 0.26 ]
		Upper [ 0.65 0.5 0.43 ]
		Sky [ 0.40 0.6 1.0 ]
		Sunset [ 1.0 0.6 0.2 ]
		# Sunset [ 0.3 1.0 0.5 ]
		CloudHeight 10
		CloudSpeed 0
		CloudMap "proxima2-clouds.*"
	}

	CustomOrbit "Lalande-I"
	EllipticalOrbit {
		SemiMajorAxis     0.163
		Period            0.065808411
		Eccentricity      0.00034
	}

	# RotationPeriod   576.8765336
	Obliquity 7
                InfoURL "http://www.niflheim.net/tta/worlds/lalande.html#l1"
}

Location "Object #6 Crash Site"  "Lalande 21185/Lalande I"
{
	LongLat [ 32 10 0 ]
	Size 21
	Importance 500
	Type "City"
}


"Lalande I a" "Lalande 21185/Lalande I"
{
	# Gravity: 0.0797783574842479 g 
	# Density: 3.421 g/cm^3 
	# Volume: 0.00212500534459278 earth volumes 
	# Mass: 0.00131863654704369 earth masses
	# Roche Limit: 14770.5178396274 km 
	# Semimajor Axis: 75377.2 km  
	# Period: 3.22180755382083 days 
	# Radius: 820 km 
	# Apparent diameter: 1.24640150634192 degrees


	class "Moon"
	Radius 820  # equatorial

	Texture "triton.*"
	#SpecularTexture "triton-spec.*"

	Color [ 0.85 0.85 1.0 ]
	SpecularColor [ 0.5 0.5 0.55 ]
	SpecularPower 25.0
	HazeColor [ 1 1 1 ]
	HazeDensity 0.3

	CustomOrbit "Lalande-I-A"
	EllipticalOrbit {
		SemiMajorAxis     55377.2
		Period            11
		Eccentricity      0.1734
		Inclination     0.384285     # at epoch
		AscendingNode   220.288958   # at epoch
		LongOfPericenter 74.319
	}

	RotationPeriod   54.56
	Obliquity 12
                InfoURL "http://www.niflheim.net/tta/worlds/lalande.html"
}

"Lalande I b" "Lalande 21185/Lalande I"
{
	# Gravity: 0.114405421495509 g 
	# Density: 3.56 g/cm^3 
	# Volume: 0.00556101158699251 earth volumes 
	# Mass: 0.00359100331030171 earth masses
	# Roche Limit: 14575.7221260809 km 
	# Semimajor Axis: 142377.2 km  
	# Period: 8.36373503502616 days 
	# Radius: 1130 km 
	# Apparent diameter: 0.90939833013546 degrees

	class "Moon"
	Radius 1130  # equatorial

	Texture "ganymede.*"
	#SpecularTexture "triton-spec.*"

	Color [ 0.85 0.85 1.0 ]
	SpecularColor [ 0.5 0.5 0.55 ]
	SpecularPower 25.0
	HazeColor [ 1 1 1 ]
	HazeDensity 0.3

	CustomOrbit "Lalande-I-A"
	EllipticalOrbit {
		SemiMajorAxis     142377.2
		Period            17
		Eccentricity      0.00034
		Inclination       1.3053
		AscendingNode   100.556
		LongOfPericenter 14.7539
	}

	RotationPeriod   54.56
	Obliquity 12
                InfoURL "http://www.niflheim.net/tta/worlds/lalande.html"
}


# Asterion - Beta Canum Venaticorum - 1.08 Solar Masses, 1.2 Solar Luminosity
"Jesh Thagarah" "Beta Canum Venaticorum"
{
	# Gravity: 0.406943423027669 g
	# Density: 3.51 g/cm^3
	# Volume: 0.261122761282548 earth volumes
	# Mass: 0.16625084202825 earth masses
	# Roche Limit: 9881.9208 km
	# Radius: 4076.7 km
	# Semimajor Axis: 0.45AU
	# Period: 0.287820901540653 years

	class "planet"
	Radius 4076.7  # equatorial

	Texture "io.*"
	BumpMap "io.*"
	# SpecularTexture "proxima2spec.*"

	Color [ 0.85 0.85 1.0 ]
	SpecularColor [ 0.5 0.5 0.55 ]
	SpecularPower 25.0
	HazeColor [ 1 1 1 ]
	HazeDensity 0.3

	Atmosphere {
		Height 52
		Lower [ 0.84 0.5 0.26 ]
		Upper [ 0.65 0.5 0.43 ]
		Sky [ 0.40 0.6 1.0 ]
		Sunset [ 1.0 0.6 0.2 ]
		# Sunset [ 0.3 1.0 0.5 ]
		CloudHeight 10
		CloudSpeed 0
		CloudMap "proxima2-clouds.*"
	}

	CustomOrbit "Lalande-I"
	EllipticalOrbit {
		SemiMajorAxis     0.45
		Period            0.287821
		Eccentricity      0.00034
	}

	RotationPeriod   8.51
	Obliquity 4
                InfoURL "http://www.niflheim.net/tta/worlds/asterion.html#a1"
}

"Asterion" "Beta Canum Venaticorum"
{
	# Gravity: 1.10909733525472 g
	# Density: 5.576 g/cm^3
	# Volume: 1.31857448503284 earth volumes
	# Mass: 1.33364254100184 earth masses
	# Roche Limit: 16953.5772 km
	# Radius: 6994.05 km
	# Semimajor Axis: 1.25AU 
	# Period: 1.33250204320675 years

	class "planet"
	Radius 6994.05  # equatorial

	Texture "earth.*"
	SpecularTexture "earthspec.*"

	Color [ 0.85 0.85 1.0 ]
	SpecularColor [ 0.5 0.5 0.55 ]
	SpecularPower 25.0
	HazeColor [ 1 1 1 ]
	HazeDensity 0.3

	Atmosphere {
		Height 52
		Lower [ 0.84 0.5 0.26 ]
		Upper [ 0.65 0.5 0.43 ]
		Sky [ 0.40 0.6 1.0 ]
		Sunset [ 1.0 0.6 0.2 ]
		# Sunset [ 0.3 1.0 0.5 ]
		CloudHeight 10
		CloudSpeed 0
		CloudMap "proxima2-clouds.*"
	}

	CustomOrbit "Lalande-I"
	EllipticalOrbit {
		SemiMajorAxis     1.25
		Period            1.332502
		Eccentricity      0.00034
	}

	RotationPeriod   29.41
	Obliquity 12
                InfoURL "http://www.niflheim.net/tta/worlds/asterion.html#a2"
}


"Imeu" "Teide 1"
{
	class "planet"
	Radius   7000 # equatorial

	Texture "venussurface.*"
	# SpecularTexture "proxima2spec.*"

	Color [ 0.85 0.85 1.0 ]
	SpecularColor [ 0.5 0.5 0.55 ]
	SpecularPower 25.0
	HazeColor [ 1 1 1 ]
	HazeDensity 0.3

	Atmosphere {
		Height 120
		Lower [ 0.6 0.65 1.0 ]
		Upper [ 0.5 0.55 0.9 ]
		Sky [ 0.5 0.7 0.9 ]
	}

	CustomOrbit "Lalande-III"
	EllipticalOrbit {
		SemiMajorAxis     0.0437
		Period          0.009135
		Eccentricity      0
	}

	Obliquity 12
                InfoURL "http://www.niflheim.net/tta/worlds/imeu.html"
}


"Grm" "Luyten 668-21 B"
{
	class "planet"
	Radius 6107.3  # equatorial

	Texture "alphab2.*"
	# SpecularTexture "alphab2-spec.*"

	Color [ 0.85 0.85 1.0 ]
	SpecularColor [ 0.5 0.5 0.55 ]
	SpecularPower 25.0
	HazeColor [ 1 1 1 ]
	HazeDensity 0.3

	Atmosphere {
		Height 50
		Lower [ 0.6 0.65 1.0 ]
		Upper [ 0.5 0.55 0.9 ]
		Sky [ 0.5 0.7 0.9 ]
		CloudHeight 20
		CloudSpeed 0
		CloudMap "proxima2-clouds.*"
	}

	CustomOrbit "Grm"
	EllipticalOrbit {
		SemiMajorAxis     0.005
		Period          0.000354
		Eccentricity      0
	}

	Obliquity 0
                InfoURL "http://www.niflheim.net/tta/worlds/luyten668-21.html"
}