🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.5

Radius: 14

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.59 AU - 0.67 AU

Year: 339 Days

Day: 10 Hours

Environment

Temp: -156 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 15,906,074 km

• M1: 174,730 km (0.105 R)
• M2: 660,624 km (0.065 R)
• M3: 1,203,964 km (0.073 R)
• M4: 1,721,273 km (0.115 R)
• M5: 2,323,853 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.2

Radius: 13.2

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.58 AU - 0.82 AU

Year: 397 Days

Day: 11.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 15,906,074 km

• M1: 164,707 km (0.043 R)
• M2: 650,452 km (0.046 R)
• M3: 1,552,377 km (0.118 R)
• M4: 2,250,550 km (0.115 R)
• M5: 3,268,713 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.6

Radius: 8.1

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.53 AU - 0.89 AU

Year: 406 Days

Day: 7 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,906,074 km

• M1: 100,679 km (0.116 R)
• M2: 395,238 km (0.105 R)
• M3: 844,630 km (0.075 R)
• M4: 1,207,105 km (0.11 R)
• M5: 1,463,815 km (0.103 R)
• M6: 1,953,898 km (0.036 R)
• M7: 2,383,393 km (0.08 R)
• M8: 2,773,096 km (0.115 R)
• M9: 3,791,259 km (0.117 R)
• M10: 4,351,054 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.2

Radius: 8.6

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.68 AU - 0.78 AU

Year: 423 Days

Day: 8.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,906,074 km

• M1: 106,962 km (0.112 R)
• M2: 391,946 km (0.063 R)
• M3: 731,534 km (0.103 R)
• M4: 1,032,674 km (0.105 R)
• M5: 1,655,749 km (0.114 R)
• M6: 1,969,306 km (0.043 R)
• M7: 2,368,433 km (0.099 R)
• M8: 2,748,412 km (0.053 R)
• M9: 4,303,781 km (0.063 R)
• M10: 5,056,707 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.5

Radius: 8.4

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.6 AU - 1 AU

Year: 485 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,906,074 km

• M1: 104,419 km (0.091 R)
• M2: 476,768 km (0.116 R)
• M3: 853,905 km (0.084 R)
• M4: 1,331,271 km (0.091 R)
• M5: 1,673,851 km (0.107 R)
• M6: 2,003,863 km (0.109 R)
• M7: 2,427,076 km (0.119 R)
• M8: 3,239,691 km (0.094 R)
• M9: 4,006,081 km (0.09 R)
• M10: 4,401,917 km (0.07 R)
• M11: 4,695,877 km (0.116 R)
• M12: 5,357,848 km (0.1 R)
• M13: 5,693,545 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810

Radius: 9.5

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.11 AU - 1.59 AU

Year: 1064 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 15,906,074 km

• M1: 118,182 km (0.088 R)
• M2: 530,324 km (0.062 R)
• M3: 828,174 km (0.118 R)
• M4: 1,214,436 km (0.088 R)
• M5: 1,525,898 km (0.034 R)
• M6: 1,891,515 km (0.034 R)
• M7: 2,349,883 km (0.108 R)
• M8: 3,182,545 km (0.094 R)
• M9: 3,948,037 km (0.101 R)
• M10: 4,252,170 km (0.114 R)
• M11: 5,003,750 km (0.087 R)
• M12: 6,081,303 km (0.089 R)
• M13: 7,534,347 km (0.053 R)
• M14: 8,945,354 km (0.114 R)
• M15: 9,652,653 km (0.057 R)
• M16: 11,245,870 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.3

Radius: 10.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.56 AU - 2.06 AU

Year: 1652 Days

Day: 13.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,906,074 km

• M1: 131,796 km (0.087 R)
• M2: 484,099 km (0.083 R)
• M3: 997,668 km (0.086 R)
• M4: 1,427,912 km (0.053 R)
• M5: 1,810,882 km (0.108 R)
• M6: 2,184,279 km (0.105 R)
• M7: 2,647,284 km (0.105 R)
• M8: 4,210,282 km (0.07 R)
• M9: 4,663,714 km (0.052 R)
• M10: 5,010,182 km (0.065 R)
• M11: 6,338,163 km (0.071 R)
• M12: 6,788,602 km (0.066 R)
• M13: 9,279,855 km (0.079 R)
• M14: 11,268,310 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.1

Radius: 10.7

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.74 AU - 2.82 AU

Year: 2335 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,906,074 km

• M1: 133,890 km (0.076 R)
• M2: 494,720 km (0.118 R)
• M3: 994,527 km (0.103 R)
• M4: 1,333,366 km (0.101 R)
• M5: 1,820,606 km (0.073 R)
• M6: 3,417,414 km (0.111 R)
• M7: 7,471,366 km (0.117 R)
• M8: 8,626,561 km (0.112 R)
• M9: 9,387,266 km (0.051 R)
• M10: 10,125,981 km (0.118 R)
• M11: 11,252,901 km (0.117 R)
• M12: 12,160,961 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405

Radius: 12.6

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.84 AU - 2.76 AU

Year: 2366 Days

Day: 12.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 15,906,074 km

• M1: 156,629 km (0.03 R)
• M2: 765,941 km (0.083 R)
• M3: 1,301,352 km (0.045 R)
• M4: 2,568,595 km (0.078 R)
• M5: 3,022,326 km (0.092 R)
• M6: 3,769,418 km (0.078 R)
• M7: 4,263,091 km (0.077 R)
• M8: 5,381,335 km (0.109 R)
• M9: 6,057,966 km (0.093 R)
• M10: 6,816,876 km (0.118 R)
• M11: 7,385,198 km (0.103 R)
• M12: 8,221,749 km (0.094 R)
• M13: 8,709,887 km (0.088 R)
• M14: 10,396,154 km (0.119 R)
• M15: 11,711,120 km (0.063 R)
• M16: 12,408,844 km (0.078 R)
• M17: 13,465,454 km (0.08 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.6

Radius: 11.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.33 AU - 3.73 AU

Year: 3577 Days

Day: 13.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 78.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 15,906,074 km

• M1: 143,165 km (0.114 R)
• M2: 560,094 km (0.11 R)
• M3: 1,063,790 km (0.115 R)
• M4: 1,618,051 km (0.06 R)
• M5: 2,197,294 km (0.07 R)
• M6: 2,765,616 km (0.102 R)
• M7: 3,218,598 km (0.117 R)
• M8: 3,917,968 km (0.096 R)
• M9: 4,552,413 km (0.076 R)
• M10: 5,012,426 km (0.105 R)
• M11: 6,926,980 km (0.059 R)
• M12: 8,093,245 km (0.075 R)
• M13: 9,419,280 km (0.1 R)
• M14: 9,995,382 km (0.053 R)
• M15: 11,368,241 km (0.068 R)
• M16: 14,045,594 km (0.056 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 17,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit