🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.8 AU - 0.9 AU

Year: 345 Days

Day: 34 Hours

Environment

Temp: -39 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.02 AU - 1.34 AU

Year: 564 Days

Day: 12.9 Hours

Environment

Temp: -70 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.7

Radius: 8.1

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.66 AU - 3.12 AU

Year: 2160 Days

Day: 7.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,272,697 km

• M1: 100,829 km (0.04 R)
• M2: 393,293 km (0.059 R)
• M3: 679,025 km (0.053 R)
• M4: 963,859 km (0.099 R)
• M5: 1,258,268 km (0.036 R)
• M6: 1,541,008 km (0.097 R)
• M7: 1,854,864 km (0.082 R)
• M8: 2,172,311 km (0.113 R)
• M9: 3,766,575 km (0.096 R)
• M10: 4,197,417 km (0.07 R)
• M11: 4,726,545 km (0.027 R)
• M12: 4,995,970 km (0.109 R)
• M13: 5,841,049 km (0.064 R)
• M14: 6,555,528 km (0.051 R)
• M15: 7,327,005 km (0.105 R)
• M16: 8,913,640 km (0.114 R)
• M17: 9,431,248 km (0.077 R)
• M18: 10,640,448 km (0.099 R)
• M19: 11,302,269 km (0.067 R)
• M20: 12,032,606 km (0.086 R)
• M21: 13,098,490 km (0.083 R)
• M22: 14,742,421 km (0.059 R)
• M23: 15,466,325 km (0.112 R)
• M24: 15,961,943 km (0.076 R)
• M25: 18,159,985 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.3

Radius: 7

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 12.84 AU - 14.36 AU

Year: 22053 Days

Day: 18.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,272,697 km

• M1: 88,263 km (0.096 R)
• M2: 520,601 km (0.099 R)
• M3: 842,535 km (0.057 R)
• M4: 1,101,788 km (0.12 R)
• M5: 1,383,481 km (0.101 R)
• M6: 1,935,348 km (0.088 R)
• M7: 2,577,721 km (0.045 R)
• M8: 2,871,382 km (0.112 R)
• M9: 3,796,046 km (0.075 R)
• M10: 4,869,111 km (0.087 R)
• M11: 5,090,965 km (0.102 R)
• M12: 6,390,522 km (0.098 R)
• M13: 7,797,041 km (0.116 R)
• M14: 9,006,839 km (0.073 R)
• M15: 10,954,154 km (0.116 R)
• M16: 13,166,258 km (0.062 R)
• M17: 14,414,652 km (0.026 R)
• M18: 14,796,277 km (0.069 R)
• M19: 17,315,206 km (0.056 R)
• M20: 18,451,701 km (0.068 R)
• M21: 23,183,780 km (0.038 R)
• M22: 26,904,728 km (0.055 R)
• M23: 29,148,248 km (0.091 R)
• M24: 32,808,459 km (0.047 R)
• M25: 36,200,142 km (0.109 R)
• M26: 41,792,260 km (0.1 R)
• M27: 44,149,324 km (0.095 R)
• M28: 45,279,087 km (0.079 R)
• M29: 46,427,998 km (0.061 R)
• M30: 53,005,966 km (0.098 R)
• M31: 53,732,414 km (0.09 R)
• M32: 54,650,047 km (0.106 R)
• M33: 55,578,003 km (0.109 R)
• M34: 61,367,141 km (0.098 R)
• M35: 68,614,260 km (0.112 R)
• M36: 72,331,468 km (0.117 R)
• M37: 74,806,864 km (0.09 R)
• M38: 75,034,702 km (0.1 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: 283 - 16,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit