🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.65 AU - 0.81 AU

Year: 278 Days

Day: 30.2 Hours

Environment

Temp: -35 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,888,786 km

• M1: 44,879 km (0.084 R)
• M2: 76,893 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.71 AU - 0.77 AU

Year: 284 Days

Day: 21.3 Hours

Environment

Temp: -29 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,888,786 km

• M1: 723,754 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.89 AU - 1.25 AU

Year: 494 Days

Day: 41.4 Hours

Environment

Temp: -83 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.56 AU - 2.2 AU

Year: 1150 Days

Day: 29.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.1

Radius: 10.3

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.11 AU - 2.95 AU

Year: 1796 Days

Day: 6.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,888,786 km

• M1: 128,205 km (0.088 R)
• M2: 1,459,477 km (0.12 R)
• M3: 2,415,258 km (0.097 R)
• M4: 2,768,309 km (0.07 R)
• M5: 3,377,471 km (0.066 R)
• M6: 5,103,831 km (0.093 R)
• M7: 6,105,687 km (0.109 R)
• M8: 6,675,955 km (0.076 R)
• M9: 7,573,093 km (0.104 R)
• M10: 8,602,177 km (0.072 R)
• M11: 9,404,769 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.2

Radius: 11.7

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.48 AU - 2.9 AU

Year: 1969 Days

Day: 6.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,888,786 km

• M1: 146,157 km (0.07 R)
• M2: 530,624 km (0.075 R)
• M3: 905,815 km (0.062 R)
• M4: 1,306,139 km (0.082 R)
• M5: 1,750,744 km (0.051 R)
• M6: 2,244,716 km (0.118 R)
• M7: 2,741,082 km (0.1 R)
• M8: 3,310,152 km (0.106 R)
• M9: 3,787,668 km (0.034 R)
• M10: 4,351,503 km (0.11 R)
• M11: 5,128,813 km (0.107 R)
• M12: 6,438,992 km (0.107 R)
• M13: 6,903,343 km (0.088 R)
• M14: 7,507,868 km (0.065 R)
• M15: 7,991,668 km (0.086 R)
• M16: 9,225,102 km (0.04 R)
• M17: 10,285,302 km (0.114 R)
• M18: 12,066,415 km (0.097 R)
• M19: 14,317,863 km (0.113 R)
• M20: 15,016,185 km (0.084 R)
• M21: 15,591,240 km (0.096 R)
• M22: 16,887,356 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.6

Radius: 13.3

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.31 AU - 3.51 AU

Year: 2810 Days

Day: 7.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,888,786 km

• M1: 165,455 km (0.08 R)
• M2: 580,889 km (0.056 R)
• M3: 1,202,617 km (0.097 R)
• M4: 1,762,113 km (0.087 R)
• M5: 2,961,589 km (0.119 R)
• M6: 3,385,250 km (0.077 R)
• M7: 5,042,196 km (0.116 R)
• M8: 6,361,350 km (0.095 R)
• M9: 7,449,226 km (0.11 R)
• M10: 8,722,753 km (0.11 R)
• M11: 9,637,693 km (0.083 R)
• M12: 11,859,072 km (0.114 R)
• M13: 15,294,587 km (0.11 R)
• M14: 17,239,659 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.9

Radius: 10.4

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.8 AU - 5.18 AU

Year: 4245 Days

Day: 12 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 34,888,786 km

• M1: 129,402 km (0.036 R)
• M2: 475,123 km (0.108 R)
• M3: 982,260 km (0.113 R)
• M4: 1,442,123 km (0.084 R)
• M5: 1,875,359 km (0.097 R)
• M6: 2,283,462 km (0.087 R)
• M7: 2,645,489 km (0.112 R)
• M8: 3,789,015 km (0.1 R)
• M9: 4,227,785 km (0.112 R)
• M10: 4,572,609 km (0.084 R)
• M11: 5,207,651 km (0.044 R)
• M12: 6,144,882 km (0.067 R)
• M13: 6,556,276 km (0.058 R)
• M14: 7,399,559 km (0.08 R)
• M15: 7,865,706 km (0.119 R)
• M16: 8,427,895 km (0.093 R)
• M17: 8,817,448 km (0.058 R)
• M18: 9,929,708 km (0.103 R)
• M19: 11,793,997 km (0.045 R)
• M20: 12,430,985 km (0.112 R)
• M21: 12,885,313 km (0.117 R)
• M22: 15,672,471 km (0.115 R)
• M23: 16,442,601 km (0.062 R)
• M24: 17,739,764 km (0.059 R)
• M25: 19,103,798 km (0.12 R)
• M26: 20,958,662 km (0.102 R)
• M27: 22,705,666 km (0.112 R)
• M28: 23,157,302 km (0.065 R)
• M29: 24,547,814 km (0.063 R)
• M30: 25,830,017 km (0.116 R)
• M31: 27,325,098 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.4

Radius: 14.2

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.65 AU - 9.61 AU

Year: 11313 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,888,786 km

• M1: 207,343 km (0.06 R)
• M2: 1,335,460 km (0.105 R)
• M3: 1,796,072 km (0.088 R)
• M4: 2,348,537 km (0.074 R)
• M5: 2,936,457 km (0.043 R)
• M6: 3,489,670 km (0.086 R)
• M7: 4,541,642 km (0.114 R)
• M8: 5,764,904 km (0.12 R)
• M9: 7,055,036 km (0.109 R)
• M10: 8,610,704 km (0.101 R)
• M11: 9,534,471 km (0.077 R)
• M12: 10,523,462 km (0.077 R)
• M13: 10,995,144 km (0.05 R)
• M14: 12,185,195 km (0.085 R)
• M15: 16,586,066 km (0.117 R)
• M16: 19,176,053 km (0.114 R)
• M17: 20,750,721 km (0.114 R)
• M18: 21,194,727 km (0.1 R)
• M19: 22,409,911 km (0.044 R)
• M20: 24,979,104 km (0.053 R)
• M21: 30,410,405 km (0.074 R)
• M22: 33,350,003 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 16,241 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit