Add interstellar objects

extras-standard/CMakeLists.txt

@@ -2,6 +2,7 @@ add_subdirectory(apollo)
 add_subdirectory(cassini)
 add_subdirectory(galileo)
 add_subdirectory(hubble)
+add_subdirectory(interstellar-objects)
 add_subdirectory(iss)
 add_subdirectory(mir)
 add_subdirectory(shroxclassic)

extras-standard/interstellar-objects/CMakeLists.txt

@@ -0,0 +1,7 @@
+set(INTERSTELLAR_SOURCES
+  data/borisov.xyzv
+  data/oumuamua.xyzv
+  interstellar-objects.ssc
+)
+
+install_to_extras_subdir("${DATADIR}" interstellar-objects ${INTERSTELLAR_SOURCES})

extras-standard/interstellar-objects/interstellar-objects.ssc

@@ -0,0 +1,48 @@
+"1I 'Oumuamua:'Oumuamua:A-2017 U1:2017 U1:P10Ee5V" "Sol"
+{
+	Class	"asteroid"
+	Mesh	"roughsphere.cms"
+	Texture	"asteroid.jpg"
+	Color	[ 1.000 0.922 0.918 ]
+	BlendTexture	true
+	SemiAxes	[ 0.13 0.058 0.0145 ]
+	Beginning	"1600 09 09"
+	Ending	"2500 09 09"
+	SampledTrajectory
+	{
+		Source	"oumuamua.xyzv"
+		DoublePrecision	true
+		Interpolation	"cubic"
+	}
+	PrecessingRotation
+	{
+		Period	8.1
+		Inclination	85
+		PrecessionPeriod	0.001
+	}
+	Albedo	0.08
+	InfoURL	"https://en.wikipedia.org/wiki/Oumuamua"
+}
+
+"2I Borisov:Borisov:C-2019 Q4 Borisov:2019 Q4:gb00234" "Sol"
+{
+	Class	"comet"
+	Mesh	"asteroid.cms"
+	Texture	"asteroid.jpg"
+	Radius	0.25
+	Beginning	"1600 12 08"
+	Ending	"2500 12 08"
+	SampledTrajectory
+	{
+		Source	"borisov.xyzv"
+		DoublePrecision	true
+		Interpolation	"cubic"
+	}
+	UniformRotation
+	{
+		Period	6
+	}
+	LunarLambert	0.5
+	Albedo	0.04
+	InfoURL	"https://en.wikipedia.org/wiki/2I/Borisov"
+}