Moon	"Ion"
{
	ParentBody     "Poseidon"
	Class	       "Selena"

	Mass            0.01495
	Radius          1821.6
	InertiaMoment   0.370616

	Oblateness      0.00191912

	Obliquity       0.04
	EqAscendNode    312.981
	TidalLocked     true

	Albedo          0.61
	Brightness      3
	Color          (0.935 0.887 0.760)

	Surface
	{
		DiffMap        "Io/Surface-PBC"
		DiffTileSize    258
		DiffTileBorder  1
		BumpMap        "Io/Bump-fake-SE"
		BumpTileSize    258
		BumpTileBorder  1
		GlowMap        "Io/Lights-SE"
		GlowTileSize    258
		GlowTileBorder  1
		BumpHeight      6
		BumpOffset      3
		SpecBrightWater 0
		SpecBrightIce   0.03
		SpecularPower   55
		Hapke           1
		SpotBright      4
		SpotWidth       0.05
		DayAmbient      0.07
	}

	NoClouds        true

	NoOcean         true

	NoLava          true

	Atmosphere
	{
		Model          "Sun"
		Height          70
		Density         7.63879e-009
		Pressure        1e-009
		Greenhouse      9.97361e-005
		Bright          1
		Opacity         0
		SkyLight        0
		Hue             0
		Saturation      1

		Composition
		{
			SO2   	90.66
			SO    	9.066
			NaCl  	0.274
		}
	}

	NoAurora        true

	NoRings         true

	NoAccretionDisk true

	NoCometTail     true

	Orbit
	{
		RefPlane        "Equator"
		Epoch           2.443e+006
		SemiMajorAxis   0.00281818
		Period          0.00484374
		Eccentricity    0.0041
		Inclination     0.04
		AscendingNode   312.981
		ArgOfPericenter -215.246
		MeanAnomaly     8.989
	}
}