🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.5

Radius: 8

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.9 AU - 1.14 AU

Year: 655 Days

Day: 6.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,516,341 km

• M1: 100,679 km (0.114 R)
• M2: 352,901 km (0.12 R)
• M3: 630,705 km (0.096 R)
• M4: 952,190 km (0.061 R)
• M5: 1,217,278 km (0.091 R)
• M6: 1,769,144 km (0.095 R)
• M7: 2,656,559 km (0.049 R)
• M8: 3,039,530 km (0.042 R)
• M9: 3,871,892 km (0.096 R)
• M10: 5,129,561 km (0.1 R)
• M11: 6,059,761 km (0.119 R)
• M12: 6,449,314 km (0.117 R)
• M13: 6,942,987 km (0.025 R)
• M14: 7,531,206 km (0.093 R)
• M15: 7,861,518 km (0.036 R)
• M16: 8,225,938 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.7

Radius: 11.4

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.42 AU - 3.82 AU

Year: 4379 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,516,341 km

• M1: 141,819 km (0.059 R)
• M2: 965,355 km (0.113 R)
• M3: 1,413,251 km (0.082 R)
• M4: 2,073,127 km (0.092 R)
• M5: 2,835,328 km (0.111 R)
• M6: 3,377,022 km (0.113 R)
• M7: 4,308,119 km (0.079 R)
• M8: 4,668,800 km (0.082 R)
• M9: 5,426,962 km (0.085 R)
• M10: 6,481,029 km (0.085 R)
• M11: 7,605,855 km (0.114 R)
• M12: 8,103,268 km (0.041 R)
• M13: 8,992,029 km (0.064 R)
• M14: 10,091,274 km (0.108 R)
• M15: 11,558,231 km (0.095 R)
• M16: 12,470,030 km (0.034 R)
• M17: 13,206,949 km (0.093 R)
• M18: 13,972,591 km (0.061 R)
• M19: 14,625,286 km (0.097 R)
• M20: 17,816,358 km (0.067 R)
• M21: 18,472,943 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.6

Radius: 9.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.89 AU - 4.97 AU

Year: 5928 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,516,341 km

• M1: 115,789 km (0.057 R)
• M2: 482,752 km (0.112 R)
• M3: 901,327 km (0.12 R)
• M4: 1,466,807 km (0.071 R)
• M5: 2,179,940 km (0.106 R)
• M6: 3,831,650 km (0.103 R)
• M7: 6,649,326 km (0.06 R)
• M8: 7,398,811 km (0.057 R)
• M9: 9,740,317 km (0.075 R)
• M10: 10,405,729 km (0.099 R)
• M11: 10,793,187 km (0.104 R)
• M12: 11,324,708 km (0.096 R)
• M13: 11,966,782 km (0.106 R)
• M14: 15,603,058 km (0.079 R)
• M15: 16,168,239 km (0.08 R)
• M16: 17,339,440 km (0.08 R)
• M17: 18,818,515 km (0.056 R)
• M18: 21,885,570 km (0.111 R)
• M19: 23,981,586 km (0.099 R)
• M20: 25,116,585 km (0.108 R)
• M21: 25,502,847 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.1

Radius: 4.3

Gravity: 39.49 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.87 AU - 9.97 AU

Year: 19866 Days

Day: 19.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,516,341 km

• M1: 77,791 km (0.038 R)
• M2: 460,761 km (0.049 R)
• M3: 811,269 km (0.12 R)
• M4: 1,149,360 km (0.033 R)
• M5: 1,696,889 km (0.114 R)
• M6: 2,141,194 km (0.092 R)
• M7: 3,012,752 km (0.054 R)
• M8: 4,066,070 km (0.031 R)
• M9: 4,465,945 km (0.073 R)
• M10: 7,433,369 km (0.109 R)
• M11: 7,827,709 km (0.074 R)
• M12: 8,392,590 km (0.119 R)
• M13: 18,930,713 km (0.085 R)
• M14: 21,092,402 km (0.091 R)
• M15: 23,308,844 km (0.07 R)
• M16: 33,462,501 km (0.086 R)
• M17: 38,904,123 km (0.065 R)
• M18: 41,297,390 km (0.106 R)
• M19: 43,786,998 km (0.092 R)
• M20: 45,068,453 km (0.071 R)
• M21: 48,721,035 km (0.108 R)
• M22: 52,208,460 km (0.059 R)
• M23: 55,486,299 km (0.107 R)
• M24: 61,249,407 km (0.089 R)
• M25: 67,610,608 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.1

Radius: 6.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.67 AU - 12.75 AU

Year: 20743 Days

Day: 23.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,516,341 km

• M1: 85,869 km (0.073 R)
• M2: 543,788 km (0.063 R)
• M3: 958,623 km (0.069 R)
• M4: 1,529,040 km (0.099 R)
• M5: 1,920,687 km (0.043 R)
• M6: 2,622,151 km (0.097 R)
• M7: 3,206,930 km (0.051 R)
• M8: 4,837,247 km (0.111 R)
• M9: 6,260,820 km (0.115 R)
• M10: 9,955,439 km (0.12 R)
• M11: 10,644,936 km (0.06 R)
• M12: 13,077,247 km (0.087 R)
• M13: 22,385,526 km (0.062 R)
• M14: 23,395,162 km (0.117 R)
• M15: 23,738,340 km (0.08 R)
• M16: 23,997,892 km (0.078 R)
• M17: 27,074,073 km (0.056 R)
• M18: 31,955,003 km (0.111 R)
• M19: 34,768,490 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 14,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit