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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



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