🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.68 AU - 0.96 AU

Year: 263 Days

Day: 14.2 Hours

Environment

Temp: 190 °C

Axial Tilt: 9.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.11 AU - 1.47 AU

Year: 520 Days

Day: 27.3 Hours

Environment

Temp: 4 °C

Axial Tilt: 17 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.33 AU - 1.83 AU

Year: 705 Days

Day: 46.3 Hours

Environment

Temp: -30 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,959,729 km

• M1: 575,653 km (0.116 R)

Asteroid Belt

Center: 9.97 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 18.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.9

Radius: 4.1

Gravity: 43.3 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 17.85 AU - 18.87 AU

Year: 27909 Days

Day: 18.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 96,959,729 km

• M1: 51,312 km (0.025 R)
• M2: 210,185 km (0.057 R)
• M3: 814,710 km (0.11 R)
• M4: 1,014,124 km (0.109 R)
• M5: 1,547,141 km (0.099 R)
• M6: 2,044,554 km (0.071 R)
• M7: 2,439,044 km (0.118 R)
• M8: 2,966,077 km (0.1 R)
• M9: 3,597,230 km (0.091 R)
• M10: 4,205,944 km (0.041 R)
• M11: 4,572,309 km (0.117 R)
• M12: 5,080,044 km (0.106 R)
• M13: 6,206,816 km (0.073 R)
• M14: 8,082,923 km (0.045 R)
• M15: 9,545,391 km (0.114 R)
• M16: 11,382,603 km (0.07 R)
• M17: 11,947,784 km (0.11 R)
• M18: 13,210,838 km (0.058 R)
• M19: 15,824,912 km (0.07 R)
• M20: 17,344,676 km (0.118 R)
• M21: 21,617,491 km (0.071 R)
• M22: 26,541,953 km (0.102 R)
• M23: 33,148,495 km (0.117 R)
• M24: 35,177,191 km (0.07 R)
• M25: 36,524,171 km (0.077 R)
• M26: 43,436,789 km (0.063 R)
• M27: 45,686,442 km (0.086 R)
• M28: 48,743,773 km (0.112 R)
• M29: 52,319,013 km (0.111 R)
• M30: 56,672,610 km (0.092 R)
• M31: 57,694,513 km (0.104 R)
• M32: 60,197,435 km (0.117 R)
• M33: 70,933,177 km (0.07 R)
• M34: 72,119,787 km (0.115 R)
• M35: 75,512,667 km (0.096 R)
• M36: 76,005,891 km (0.101 R)
• M37: 87,678,863 km (0.12 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 13,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit