🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.4

Radius: 12.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.86 AU - 0.94 AU

Year: 589 Days

Day: 6.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,429,652 km

• M1: 154,235 km (0.047 R)
• M2: 888,163 km (0.063 R)
• M3: 1,300,454 km (0.113 R)
• M4: 1,763,759 km (0.035 R)
• M5: 2,166,327 km (0.07 R)
• M6: 2,564,706 km (0.072 R)
• M7: 3,054,938 km (0.097 R)
• M8: 3,595,435 km (0.114 R)
• M9: 4,159,419 km (0.039 R)
• M10: 4,652,793 km (0.116 R)
• M11: 5,078,399 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.6

Radius: 9

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.36 AU - 1.48 AU

Year: 1168 Days

Day: 11.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,429,652 km

• M1: 112,198 km (0.109 R)
• M2: 666,159 km (0.089 R)
• M3: 993,031 km (0.116 R)
• M4: 2,104,692 km (0.112 R)
• M5: 2,400,896 km (0.087 R)
• M6: 2,898,010 km (0.08 R)
• M7: 4,508,431 km (0.099 R)
• M8: 5,622,786 km (0.053 R)
• M9: 7,571,896 km (0.118 R)
• M10: 8,330,058 km (0.117 R)
• M11: 9,438,728 km (0.068 R)
• M12: 9,902,332 km (0.038 R)
• M13: 10,251,942 km (0.114 R)
• M14: 11,009,655 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.5

Radius: 14.3

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.5 AU - 4.6 AU

Year: 5626 Days

Day: 8.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,429,652 km

• M1: 177,872 km (0.101 R)
• M2: 667,506 km (0.117 R)
• M3: 2,065,797 km (0.096 R)
• M4: 2,771,600 km (0.051 R)
• M5: 3,613,387 km (0.095 R)
• M6: 5,298,158 km (0.072 R)
• M7: 9,288,233 km (0.095 R)
• M8: 10,502,369 km (0.044 R)
• M9: 12,009,867 km (0.051 R)
• M10: 16,024,774 km (0.099 R)
• M11: 17,520,753 km (0.106 R)
• M12: 18,589,929 km (0.06 R)
• M13: 20,651,238 km (0.107 R)
• M14: 21,136,982 km (0.103 R)
• M15: 22,567,138 km (0.047 R)
• M16: 26,423,921 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.4

Radius: 14.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.51 AU - 5.27 AU

Year: 7464 Days

Day: 12.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,429,652 km

• M1: 190,588 km (0.1 R)
• M2: 1,108,221 km (0.094 R)
• M3: 2,042,161 km (0.036 R)
• M4: 2,599,263 km (0.078 R)
• M5: 3,951,029 km (0.087 R)
• M6: 5,027,835 km (0.069 R)
• M7: 5,510,288 km (0.115 R)
• M8: 6,604,148 km (0.056 R)
• M9: 9,716,830 km (0.114 R)
• M10: 12,144,355 km (0.093 R)
• M11: 13,018,156 km (0.108 R)
• M12: 13,470,540 km (0.062 R)
• M13: 16,279,390 km (0.091 R)
• M14: 19,166,629 km (0.106 R)
• M15: 20,125,701 km (0.105 R)
• M16: 21,271,620 km (0.106 R)
• M17: 29,369,204 km (0.091 R)
• M18: 30,843,042 km (0.104 R)
• M19: 33,938,072 km (0.106 R)
• M20: 36,224,227 km (0.035 R)
• M21: 37,575,694 km (0.093 R)
• M22: 38,263,844 km (0.096 R)
• M23: 38,727,448 km (0.051 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 15,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit