HD 17926

Physics	Class A Star
Type	A2 V White Main Sequence
Radius	1.8 x 106 km (2.59 x sol)
Mass	7.08 x 1030 kg (3.56 x sol)
Temperature	9400 K (9126.85 °C)
Luminosity	2.52 x 1028 W (65.72 x sol)

HD 17926 I

Physics	Class N
Type	Iron/silicate
Radius	7627.56 km (1.20 x earth)
Surface Area	7.31 x 108 km2
Land Area	7.38 x 108 km2 (4.96 x earth)
Mass	8.64 x 1024 kg (1.45 x earth)
Density	4.65 g/cm3 (0.84 x earth)
Composition	36.8% oxygen, 34.3% iron, 28.3% silicon, 0.5% other elements

Gravimetry		Atmosphere
Gravity	9.87 m/s2 (1.01 x earth)	Type	Standard Reducing
Escape Velocity	12.27 km/s	Pressure	115.58 kPa (1.14 x earth)
		Composition	75.3% methane, 18.5% argon, 6.2% sulfur dioxide, trace other gasses

Rotation		Hydrosphere		Biosphere
Period	40.48 hours	Water	0 %	Chemistry	Carbon
Axis Tilt	18.24 °	Ice	10 %	Lifeforms	N/A

Climate		Civilization
Type		Type	N/A
Min Temp	245 K (-27°C)	Population	N/A
Avg Temp	291 K (18 °C)	Society	N/A
Max Temp	352 K 78 °C)	Tech Level	N/A

Special Features

HD 17926 II

Physics	Class K
Type	Small iron/silicate
Radius	4358.84 km (0.68 x earth)
Surface Area	2.39 x 108 km2
Land Area	2.41 x 108 km2 (1.62 x earth)
Mass	1.81 x 1024 kg (0.30 x earth)
Density	5.23 g/cm3 (0.95 x earth)
Composition	35.2% iron, 31.3% oxygen, 21.4% silicon, 8.1% magnesium, 3.2% other metals, 0.8% other elements

Gravimetry		Atmosphere
Gravity	6.34 m/s2 (0.65 x earth)	Type	Thin reducing
Escape Velocity	7.44 km/s	Pressure	71.02 kPa (0.70 x earth)
		Composition	82.8% hydrogen, 17.2% sulfur dioxide, trace other gases

Rotation		Hydrosphere		Biosphere
Period	45.48 hours	Water	0 %	Chemistry	Carbon
Axis Tilt	43.39 °	Ice	7 %	Lifeforms	N/A

Climate		Civilization
Type	Standard	Type	N/A
Min Temp	193 K (-80°C)	Population	N/A
Avg Temp	294 K (20 °C)	Society	N/A
Max Temp	397 K (124 °C)	Tech Level	N/A

Special Features

Large moon

HD 17926 III

Physics	Class O
Type	Small Ocean
Radius	2742.30 km (0.43 x earth)
Surface Area	9.45 x 107 km2
Land Area	1.32 x 107 km2 (0.0 x earth)
Mass	4.36 x 1023 kg (0.07 x earth)
Density	5.05 g/cm3 (0.91 x earth)
Composition	40.9% oxygen, 33.7% iron, 14.4% silicon, 5.2% titanium, 3.7% other metals, 2.1% other elements

Gravimetry		Atmosphere
Gravity	3.85 m/s2 (0.39 x earth)	Type	Thin breathable
Escape Velocity	4.60 km/s	Pressure	68.89 kPa (0.68 x earth)
		Composition	75.6% nitrogen, 24.4% oxygen, trace other gases

Rotation		Hydrosphere		Biosphere
Period	14.81 hours	Water	87 %	Chemistry	Carbon
Axis Tilt	16.22 °	Ice	24 %	Lifeforms	Microbes, algae, worms

Climate		Civilization
Type	Cool	Type	N/A
Min Temp	216 K (-57°C)	Population	N/A
Avg Temp	286 K (13 °C)	Society	N/A
Max Temp	366 K (93 °C)	Tech Level	N/A

Special Features

Large moon