Added XO-3 b, WASP-4 b and TW Hya b

data/extrasolar.ssc

@@ -1,4 +1,4 @@
-# Catalog of 262 known extrasolar planets.
+# Catalog of 265 known extrasolar planets.
 #
 # Data compiled from Butler et al., Catalog of Nearby Exoplanets at: 
 #     http://arxiv.org/abs/astro-ph/0607493
@@ -179,6 +179,48 @@ AltSurface "limit of knowledge" "TrES-3 (parent star)/TrES-3"
 }
 
 
+"b" "WASP-4"
+
+# Detected via transit as well as radial velocity methods; from transit
+# duration, inclination is fixed at 87.54 degrees, so mass can be determined.
+# From transit dimming, radius is estimated at 1.45 jupiters.
+
+# Star not present in Celestia's default stars.dat file.
+
+{
+	Texture "exo-class5.*"
+	NightTexture "exo-class5night.*"
+
+	Color  [0.49 0.89 1]
+	Albedo 0.5
+
+	Mass       400     # M.sin(i) = 1.2704 jupiters
+	Radius     101500
+	Oblateness 0.01
+
+	InfoURL "http://exoplanet.eu/star.php?st=WASP-4"
+
+	EllipticalOrbit {
+		Period          0.0037
+		SemiMajorAxis   0.023
+		Eccentricity    0
+		Inclination     65.2
+		AscendingNode   350.9
+		MeanLongitude   70
+	}
+
+	Obliquity             65 # guess, to match inclination
+	EquatorAscendingNode  351 # guess, to match ascending node
+
+	# likely to be in captured synchronous rotation
+}
+
+AltSurface "limit of knowledge" "WASP-4/b"
+{
+	Texture "extrasolar-lok.*"
+}
+
+
 "b" "OGLE-TR-113"
 
 # Detected via transit as well as radial velocity methods; from transit
@@ -1216,6 +1258,46 @@ AltSurface "limit of knowledge" "OGLE-TR-10/b"
 }
 
 
+"b" "TYC 3727-1064-1"   # XO-3
+
+# Detected via transit as well as radial velocity methods; from transit
+# duration, inclination is fixed at 79.05 degrees, so mass can be determined.
+# From transit dimming, radius is estimated at 1.92 jupiters.
+
+# Star not present in Celestia's default stars.dat file.
+
+{
+	Texture "browndwarf.*"
+	Emissive true
+	Color [1 0.5 0.5]
+
+	Mass       4210     # M.sin(i) = 13.24 jupiters
+	Radius     134400
+
+	InfoURL "http://exoplanet.eu/star.php?st=XO-3"
+
+	EllipticalOrbit {
+		Period          0.0087
+		SemiMajorAxis   0.0476
+		Eccentricity    0.219
+		Inclination     87.1
+		AscendingNode   58.5
+		ArgOfPericenter 125
+		MeanAnomaly     359
+	}
+
+	Obliquity             87 # guess, to match inclination
+	EquatorAscendingNode  58 # guess, to match ascending node
+
+	# likely to be in captured synchronous rotation
+}
+
+AltSurface "limit of knowledge" "TYC 3727-1064-1/b"
+{
+	Texture "extrasolar-lok.*"
+}
+
+
 "b" "HD 120136"   # Tau Boo A
 {
 	Texture "exo-class5.*"
@@ -1508,6 +1590,34 @@ AltSurface "limit of knowledge" "TYC 2620-0648-1/TrES-4"
 }
 
 
+"b" "TW Hya"
+{
+	Texture "exo-class4.*"
+
+	Color  [0 0.36 1]
+	Albedo 0.05
+
+	Mass       380     # M.sin(i) = 1.2 jupiters
+	Radius     84000
+
+	InfoURL "http://exoplanet.eu/star.php?st=TW+Hya"
+
+	EllipticalOrbit {
+		Period          0.0097
+		SemiMajorAxis   0.041
+		Eccentricity    0.04
+		ArgOfPericenter 18
+	}
+
+	# likely to be in captured synchronous rotation
+}
+
+AltSurface "limit of knowledge" "TW Hya/b"
+{
+	Texture "extrasolar-lok.*"
+}
+
+
 "b" "OGLE-TR-211"
 
 # Detected via transit as well as radial velocity methods; from transit