🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.51 AU - 0.67 AU

Year: 173 Days

Day: 39 Hours

Environment

Temp: 177 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.46 AU - 0.74 AU

Year: 177 Days

Day: 14.7 Hours

Environment

Temp: 184 °C

Axial Tilt: 7.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Ice Giant

Semi-Major Axis: 11.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.9

Radius: 7.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 10.01 AU - 13.45 AU

Year: 15298 Days

Day: 24.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,951,549 km

• M1: 97,089 km (0.108 R)
• M2: 479,760 km (0.114 R)
• M3: 855,700 km (0.11 R)
• M4: 1,357,601 km (0.109 R)
• M5: 2,108,582 km (0.109 R)
• M6: 2,443,532 km (0.108 R)
• M7: 4,207,291 km (0.098 R)
• M8: 4,653,691 km (0.109 R)
• M9: 5,286,789 km (0.074 R)
• M10: 17,654,045 km (0.034 R)
• M11: 18,591,874 km (0.109 R)
• M12: 21,121,424 km (0.099 R)
• M13: 23,184,229 km (0.054 R)
• M14: 34,086,623 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.4

Radius: 4

Gravity: 24.03 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 10.72 AU - 15.18 AU

Year: 17746 Days

Day: 20 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,951,549 km

• M1: 49,816 km (0.074 R)
• M2: 253,120 km (0.066 R)
• M3: 555,906 km (0.107 R)
• M4: 727,046 km (0.11 R)
• M5: 901,327 km (0.088 R)
• M6: 1,127,220 km (0.105 R)
• M7: 3,152,326 km (0.068 R)
• M8: 3,700,154 km (0.074 R)
• M9: 4,040,339 km (0.09 R)
• M10: 4,309,017 km (0.089 R)
• M11: 4,653,391 km (0.102 R)
• M12: 5,796,618 km (0.117 R)
• M13: 6,061,257 km (0.082 R)
• M14: 6,333,974 km (0.075 R)
• M15: 8,097,583 km (0.106 R)
• M16: 8,428,344 km (0.089 R)
• M17: 9,422,871 km (0.1 R)
• M18: 9,578,452 km (0.112 R)
• M19: 11,114,972 km (0.119 R)
• M20: 12,619,179 km (0.114 R)
• M21: 16,848,011 km (0.074 R)
• M22: 17,308,922 km (0.101 R)
• M23: 20,080,821 km (0.058 R)
• M24: 20,598,729 km (0.12 R)
• M25: 21,037,201 km (0.102 R)
• M26: 27,527,205 km (0.078 R)
• M27: 28,273,549 km (0.035 R)
• M28: 29,252,966 km (0.097 R)
• M29: 30,367,470 km (0.063 R)
• M30: 31,049,636 km (0.039 R)
• M31: 33,397,126 km (0.054 R)
• M32: 35,608,632 km (0.052 R)
• M33: 35,986,516 km (0.092 R)
• M34: 37,915,880 km (0.074 R)
• M35: 40,457,398 km (0.103 R)
• M36: 41,560,532 km (0.114 R)
• M37: 48,295,728 km (0.059 R)
• M38: 49,850,199 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 19,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit