🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.92 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.91 AU - 4.75 AU

Year: 2854 Days

Day: 17.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.2

Radius: 13.1

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.2 AU - 4.7 AU

Year: 3575 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,623,935 km

• M1: 214,374 km (0.068 R)
• M2: 656,286 km (0.091 R)
• M3: 1,140,085 km (0.066 R)
• M4: 2,029,295 km (0.107 R)
• M5: 2,467,018 km (0.049 R)
• M6: 3,222,338 km (0.104 R)
• M7: 3,873,837 km (0.076 R)
• M8: 5,255,523 km (0.115 R)
• M9: 6,048,092 km (0.113 R)
• M10: 7,527,466 km (0.097 R)
• M11: 8,563,880 km (0.1 R)
• M12: 10,229,502 km (0.038 R)
• M13: 11,224,328 km (0.077 R)

Planet 3 - Ice Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.5

Radius: 7.2

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 11.47 AU - 13.41 AU

Year: 16708 Days

Day: 21.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,623,935 km

• M1: 123,717 km (0.077 R)
• M2: 826,229 km (0.096 R)
• M3: 1,370,316 km (0.107 R)
• M4: 1,637,947 km (0.054 R)
• M5: 2,078,812 km (0.083 R)
• M6: 3,055,686 km (0.117 R)
• M7: 3,416,067 km (0.106 R)
• M8: 7,230,663 km (0.065 R)
• M9: 7,653,876 km (0.099 R)
• M10: 8,365,363 km (0.075 R)
• M11: 11,771,707 km (0.073 R)
• M12: 12,840,284 km (0.082 R)
• M13: 14,167,068 km (0.102 R)
• M14: 14,496,034 km (0.103 R)
• M15: 24,378,020 km (0.062 R)
• M16: 51,445,661 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.9

Radius: 5.7

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 14.83 AU - 21.53 AU

Year: 29518 Days

Day: 15.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,623,935 km

• M1: 72,106 km (0.066 R)
• M2: 270,024 km (0.097 R)
• M3: 529,427 km (0.11 R)
• M4: 727,494 km (0.1 R)
• M5: 1,176,737 km (0.098 R)
• M6: 1,556,566 km (0.113 R)
• M7: 1,775,428 km (0.07 R)
• M8: 2,275,533 km (0.076 R)
• M9: 2,945,432 km (0.068 R)
• M10: 3,490,268 km (0.12 R)
• M11: 4,929,998 km (0.118 R)
• M12: 5,203,463 km (0.108 R)
• M13: 5,695,939 km (0.089 R)
• M14: 8,917,080 km (0.107 R)
• M15: 9,864,184 km (0.071 R)
• M16: 11,475,353 km (0.081 R)
• M17: 12,096,035 km (0.065 R)
• M18: 14,803,906 km (0.07 R)
• M19: 15,373,575 km (0.037 R)
• M20: 17,527,934 km (0.107 R)
• M21: 18,630,171 km (0.054 R)
• M22: 19,583,408 km (0.047 R)
• M23: 21,380,528 km (0.097 R)
• M24: 26,230,191 km (0.11 R)
• M25: 28,783,528 km (0.103 R)
• M26: 35,376,007 km (0.105 R)
• M27: 35,809,392 km (0.055 R)
• M28: 38,332,958 km (0.026 R)
• M29: 40,972,613 km (0.094 R)
• M30: 50,521,595 km (0.074 R)
• M31: 52,369,427 km (0.062 R)
• M32: 52,744,320 km (0.107 R)
• M33: 57,383,649 km (0.085 R)
• M34: 59,802,198 km (0.087 R)
• M35: 84,698,574 km (0.089 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: 339 - 13,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit