🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.75 AU - 0.83 AU

Year: 259 Days

Day: 12.5 Hours

Environment

Temp: 125 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.68 AU - 1.08 AU

Year: 305 Days

Day: 15.9 Hours

Environment

Temp: 162 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.36 AU - 3.32 AU

Year: 1766 Days

Day: 16.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.22 AU - 4.22 AU

Year: 3198 Days

Day: 43.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.85 AU - 5.01 AU

Year: 3440 Days

Day: 29.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,263,322 km

• M1: 178,470 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.8

Radius: 4.7

Gravity: 35.62 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 10.58 AU - 13.96 AU

Year: 15858 Days

Day: 20.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,263,322 km

• M1: 58,493 km (0.098 R)
• M2: 376,089 km (0.063 R)
• M3: 572,062 km (0.069 R)
• M4: 888,312 km (0.113 R)
• M5: 1,037,162 km (0.063 R)
• M6: 1,299,258 km (0.092 R)
• M7: 2,190,262 km (0.049 R)
• M8: 2,622,600 km (0.09 R)
• M9: 2,834,880 km (0.101 R)
• M10: 3,007,815 km (0.057 R)
• M11: 3,457,506 km (0.066 R)
• M12: 4,293,908 km (0.063 R)
• M13: 5,368,469 km (0.079 R)
• M14: 8,790,371 km (0.068 R)
• M15: 9,105,873 km (0.067 R)
• M16: 11,972,318 km (0.083 R)
• M17: 13,504,200 km (0.107 R)
• M18: 14,066,239 km (0.094 R)
• M19: 15,463,633 km (0.036 R)
• M20: 16,471,324 km (0.043 R)
• M21: 20,116,126 km (0.117 R)
• M22: 20,297,589 km (0.086 R)
• M23: 22,270,037 km (0.062 R)
• M24: 23,553,138 km (0.088 R)
• M25: 23,957,650 km (0.105 R)
• M26: 24,884,708 km (0.118 R)
• M27: 35,904,087 km (0.068 R)
• M28: 39,057,162 km (0.07 R)
• M29: 48,628,583 km (0.112 R)
• M30: 50,278,648 km (0.115 R)
• M31: 50,948,996 km (0.08 R)
• M32: 52,823,158 km (0.082 R)
• M33: 57,983,387 km (0.045 R)
• M34: 62,307,214 km (0.103 R)
• M35: 63,274,813 km (0.038 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: 169 - 18,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit