# The largest Edgeworth-Kuiper belt objects

"2003 UB313" "Sol" { 

	Class "asteroid" 
	Texture "asteroid.jpg" 
	Radius  1500

	InfoURL "http://www.gps.caltech.edu/~mbrown/planetlila/index.html"

	EllipticalOrbit {
		Epoch        2453600.5    # 2005 Aug 18 00:00UT
		Period           557.148 
		SemiMajorAxis     67.709       
		Eccentricity       0.4416 
		Inclination       44.177      
		AscendingNode     35.875 
		ArgOfPericenter  151.311      
		MeanAnomaly      197.538 
   	} 

	Albedo 0.6

	RotationPeriod     48.0   # guess
}

"2005 (2003 UB313) 1" "Sol/2003 UB313" { 

	Class "asteroid" 
	Mesh	"asteroid.cms"
	Texture "asteroid.jpg" 
	Radius  180             # ~2% of system brightness

	InfoURL "http://www.gps.caltech.edu/~mbrown/planetlila/moon/"
#	Orbit from Brown ME et al: http://www.gps.caltech.edu/%7Embrown/papers/ps/gab.pdf

	EllipticalOrbit {
		Period            14 
		SemiMajorAxis  36000       
   	} 
}

"2005 FY9" "Sol" { 

	Class "asteroid" 
	Texture "asteroid.jpg" 
	Radius  850              # estimate

	EllipticalOrbit {
		Epoch        2453600.5    # 2005 Aug 18 00:00UT
		Period           308.329 
		SemiMajorAxis     45.640       
		Eccentricity       0.1519 
		Inclination       28.998      
		AscendingNode     79.416 
		ArgOfPericenter  245.848      
		MeanAnomaly      213.919 
   	} 

	RotationPeriod     48.0   # guess
}

"2003 EL61" "Sol" { 

	Class "asteroid" 
	Texture "asteroid.jpg" 
	Radius  750              # estimate

	InfoURL "http://www.gps.caltech.edu/~mbrown/2003EL61/"

	EllipticalOrbit {
		Epoch        2453600.5    # 2005 Aug 18 00:00UT
		Period           285.312 
		SemiMajorAxis     43.339       
		Eccentricity       0.1888 
		Inclination       28.195      
		AscendingNode    121.895 
		ArgOfPericenter  239.512      
		MeanAnomaly      198.075 
   	} 

	RotationPeriod     3.9152
}

"2005 (2003 EL61) 1" "Sol/2003 EL61" { 

	Class "asteroid" 
	Mesh	"asteroid.cms"
	Texture "asteroid.jpg" 
	Radius  150             # ~1% of system mass

	InfoURL "http://www.gps.caltech.edu/~mbrown/2003EL61/"
#	Orbit from Brown ME et al: http://www.gps.caltech.edu/%7Embrown/papers/ps/EL61.pdf

	EllipticalOrbit {
		Period            49.12 
		SemiMajorAxis  49500       
		Eccentricity       0.050
		Inclination      234.8      
		AscendingNode     26.1 
		ArgOfPericenter  278.6      
		MeanAnomaly       16.71 
   	} 

	Obliquity		235  # to match orbit
	EquatorAscendingNode	25   #
}

"2005 (2003 EL61) 2" "Sol/2003 EL61" { 

	Class "asteroid" 
	Mesh	"asteroid.cms"
	Texture "asteroid.jpg" 
	Radius  90             # ~0.2% of system mass

	InfoURL "http://www.gps.caltech.edu/~mbrown/2003EL61/"

	EllipticalOrbit {
		Period            34.1 
		SemiMajorAxis  39300       
		Inclination      275  # ~40 degrees to 2005 (2003 EL61) 1
		AscendingNode     25  #
   	} 

	Obliquity		275  # to match orbit
	EquatorAscendingNode	25   #
}

# 90482 Orcus (2004 DW)
"Orcus" "Sol" { 

	Class "asteroid" 
	Texture "asteroid.jpg" 
	Color   [ 0.65 0.45 0.35 ]
	BlendTexture true
	Radius  800 

	InfoURL "http://www.gps.caltech.edu/~chad/2004dw/" 

	EllipticalOrbit {
		Period           245.976 
      		SemiMajorAxis     39.258 
		Eccentricity       0.2258 
		Inclination       20.539 
		AscendingNode    268.457 
		ArgOfPericenter   73.731 
		MeanAnomaly      150.066 
   	} 

	Albedo 0.09

	RotationPeriod     48.0   # guess

}

"2004 XR190" "Sol" { 

	Class "asteroid" 
	Texture "asteroid.jpg" 
	Radius 750 # "500-1000 km" 

	InfoURL "http://www.cfeps.astrosci.ca/4b7/index.html"	

	EllipticalOrbit { 
		Epoch        2453800.5       # 2006 Mar 6 00:00UT
		Period           434.981 
		SemiMajorAxis     57.409       
		Eccentricity       0.111       
		Inclination       46.735      
		AscendingNode    252.369 
		ArgOfPericenter  284.115 
		MeanAnomaly      268.060 
	} 

	RotationPeriod     48.0   # guess
}

# 50000 Quaoar (2002 LM60)
"Quaoar" "Sol" {

	Class "asteroid"
	Texture "asteroid.jpg"
	Color   [ 0.60 0.45 0.35 ] # only slight red
	BlendTexture true
	Radius 625
	Oblateness 0.12 # minimum axis ratio of 1.133
	
	InfoURL "http://www.gps.caltech.edu/~chad/quaoar/"


	EllipticalOrbit	{
		Period          283.234
		SemiMajorAxis    43.128
		Eccentricity      0.0395
		Inclination       8.005
		AscendingNode   189.081
		ArgOfPericenter 163.885
	        MeanAnomaly     258.858
	}

	Albedo 0.12

	RotationPeriod     17.6788 # for a double-peaked light curve
}


# 28978 Ixion (2001 KX76)
"Ixion" "Sol" { 

	Class "asteroid" 
	Texture "asteroid.jpg" 
	Color   [ 0.65 0.45 0.35 ] # "reddish"
	BlendTexture true
	Radius 600 

	InfoURL "http://www.noao.edu/outreach/press/pr01/pr0110.html"	

	EllipticalOrbit { 
		Epoch        2452400.5       # 2002 May 6 00:00UT
		Period           246.50564 
		SemiMajorAxis     39.3138672 
		Eccentricity       0.2447032 
		Inclination       19.68326 
		AscendingNode     71.0155 
		ArgOfPericenter  300.9234 
		MeanAnomaly      259.585 
	} 

	Albedo 0.04 

	RotationPeriod 30.0 
}

# 20000 Varuna (2000 WR106)
"Varuna" "Sol" { 

	Class "asteroid" 
	Texture "asteroid.jpg" 
	Color   [ 0.65 0.45 0.35 ] # "reddish"
	BlendTexture true
	Radius 450 
	Oblateness 0.333 # axis ratio 1.5:1

	InfoURL "http://www.aas.org/publications/baas/v34n3/dps2002/9.htm"

	EllipticalOrbit { 
		Epoch        2452400.5      # 2002 May 6 00:00UT 
		Period           284.83446 
		SemiMajorAxis     43.290196 
		Eccentricity       0.053794 
		Inclination       17.12557 
		AscendingNode     97.2843 
		ArgOfPericenter  275.5744 
		MeanAnomaly       82.67171 
	} 

	Albedo 0.07 

	RotationPeriod 6.3442 # for a double-peaked light curve 
} 

# 55565 (2002 AW197)
"2002 AW197" "Sol" { 

	Class "asteroid" 
	Texture "asteroid.jpg" 
	Color   [ 0.65 0.45 0.35 ]
	BlendTexture true
	Radius  450 

	InfoURL "http://www.aas.org/publications/baas/v34n3/dps2002/301.htm"

	EllipticalOrbit {
		Period           323.976 
      		SemiMajorAxis     47.171 
		Eccentricity       0.1257 
		Inclination       24.370 
		AscendingNode    297.463 
		ArgOfPericenter  296.073 
		MeanAnomaly      272.766 
   	} 

	Albedo 0.10

	RotationPeriod     48.0   # guess
}


# Inner Oort cloud

# 90377 Sedna (2003 VB12)
"Sedna" "Sol" { 

	Class "asteroid" 
	Texture "asteroid.jpg" 
	Color   [ 0.75 0.45 0.35 ] # almost as red as Mars
	BlendTexture true
	Radius 850 

	InfoURL "http://www.gps.caltech.edu/~mbrown/sedna/"

	EllipticalOrbit {
		Epoch        2453200.5     # 2004 Jul 14 00:00UT 
		Period         12258.809 
		SemiMajorAxis    531.658  
		Eccentricity       0.8574  
		Inclination       11.930 
		AscendingNode    144.493 
		ArgOfPericenter  311.827 
		MeanAnomaly      357.881 
	} 

	Albedo 0.05 

	RotationPeriod 10 # (much shorter than previously thought)
} 
