🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.7

Radius: 14.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.45 AU - 0.75 AU

Year: 315 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,110,934 km

• M1: 185,501 km (0.109 R)
• M2: 694,733 km (0.106 R)
• M3: 1,480,121 km (0.065 R)
• M4: 2,036,925 km (0.094 R)
• M5: 3,103,408 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.5

Radius: 14

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.54 AU - 0.76 AU

Year: 355 Days

Day: 13.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,110,934 km

• M1: 174,132 km (0.077 R)
• M2: 633,697 km (0.115 R)
• M3: 1,223,112 km (0.036 R)
• M4: 2,375,315 km (0.099 R)
• M5: 3,103,857 km (0.113 R)
• M6: 3,605,159 km (0.118 R)
• M7: 4,094,643 km (0.112 R)
• M8: 4,671,493 km (0.109 R)
• M9: 5,397,042 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.2

Radius: 11.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.53 AU - 0.77 AU

Year: 355 Days

Day: 10.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,110,934 km

• M1: 146,756 km (0.063 R)
• M2: 608,265 km (0.091 R)
• M3: 1,034,320 km (0.112 R)
• M4: 1,563,447 km (0.109 R)
• M5: 2,057,868 km (0.111 R)
• M6: 2,986,871 km (0.05 R)
• M7: 3,541,580 km (0.079 R)
• M8: 4,005,034 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.9

Radius: 5.8

Gravity: 22.62 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.19 AU - 8.65 AU

Year: 12347 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,110,934 km

• M1: 72,106 km (0.092 R)
• M2: 433,385 km (0.114 R)
• M3: 822,190 km (0.107 R)
• M4: 1,821,803 km (0.081 R)
• M5: 2,646,536 km (0.09 R)
• M6: 3,430,878 km (0.032 R)
• M7: 4,179,914 km (0.083 R)
• M8: 4,452,332 km (0.067 R)
• M9: 4,965,901 km (0.106 R)
• M10: 6,034,180 km (0.1 R)
• M11: 6,703,331 km (0.087 R)
• M12: 6,950,915 km (0.11 R)
• M13: 7,161,848 km (0.088 R)
• M14: 7,420,802 km (0.117 R)
• M15: 7,730,620 km (0.057 R)
• M16: 10,583,750 km (0.082 R)
• M17: 10,806,950 km (0.099 R)
• M18: 11,205,180 km (0.112 R)
• M19: 14,960,086 km (0.101 R)
• M20: 15,383,299 km (0.085 R)
• M21: 19,227,216 km (0.106 R)
• M22: 22,821,155 km (0.111 R)
• M23: 23,007,255 km (0.109 R)
• M24: 25,919,327 km (0.116 R)
• M25: 27,254,338 km (0.03 R)
• M26: 30,734,284 km (0.117 R)
• M27: 37,002,136 km (0.106 R)
• M28: 39,222,617 km (0.11 R)
• M29: 40,979,345 km (0.042 R)
• M30: 44,940,098 km (0.101 R)
• M31: 47,465,160 km (0.104 R)
• M32: 48,839,516 km (0.117 R)
• M33: 51,029,778 km (0.119 R)
• M34: 52,796,081 km (0.083 R)
• M35: 54,768,828 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.1

Radius: 7.2

Gravity: 17.65 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.35 AU - 10.81 AU

Year: 20111 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,110,934 km

• M1: 89,908 km (0.07 R)
• M2: 487,988 km (0.098 R)
• M3: 2,117,558 km (0.104 R)
• M4: 2,403,739 km (0.107 R)
• M5: 3,027,412 km (0.057 R)
• M6: 3,391,982 km (0.118 R)
• M7: 3,912,433 km (0.099 R)
• M8: 4,484,944 km (0.05 R)
• M9: 6,863,550 km (0.104 R)
• M10: 7,394,174 km (0.09 R)
• M11: 7,952,024 km (0.08 R)
• M12: 8,701,959 km (0.096 R)
• M13: 16,146,248 km (0.116 R)
• M14: 17,170,844 km (0.067 R)
• M15: 19,729,117 km (0.118 R)
• M16: 21,299,595 km (0.113 R)
• M17: 23,270,547 km (0.115 R)
• M18: 27,571,486 km (0.118 R)
• M19: 56,184,472 km (0.117 R)
• M20: 77,965,623 km (0.106 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 18,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit