🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.48 AU - 0.68 AU

Year: 166 Days

Day: 29.8 Hours

Environment

Temp: 191 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.58 AU - 0.84 AU

Year: 224 Days

Day: 42.2 Hours

Environment

Temp: 100 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.66 AU - 3.54 AU

Year: 2045 Days

Day: 41.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3 AU - 3.98 AU

Year: 2443 Days

Day: 32.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 19.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.7

Radius: 4.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 14.4 AU - 23.9 AU

Year: 31404 Days

Day: 24.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,597,807 km

• M1: 55,950 km (0.104 R)
• M2: 398,978 km (0.07 R)
• M3: 733,628 km (0.09 R)
• M4: 1,003,503 km (0.091 R)
• M5: 3,664,849 km (0.118 R)
• M6: 4,155,679 km (0.052 R)
• M7: 4,688,996 km (0.053 R)
• M8: 5,068,974 km (0.08 R)
• M9: 7,749,020 km (0.098 R)
• M10: 8,144,706 km (0.061 R)
• M11: 8,881,326 km (0.118 R)
• M12: 9,462,215 km (0.088 R)
• M13: 9,762,009 km (0.054 R)
• M14: 9,965,313 km (0.094 R)
• M15: 12,098,728 km (0.101 R)
• M16: 12,571,008 km (0.096 R)
• M17: 13,678,631 km (0.12 R)
• M18: 15,945,338 km (0.053 R)
• M19: 16,298,538 km (0.116 R)
• M20: 17,389,406 km (0.107 R)
• M21: 17,613,205 km (0.119 R)
• M22: 18,761,518 km (0.03 R)
• M23: 22,153,051 km (0.113 R)
• M24: 23,127,980 km (0.059 R)
• M25: 25,738,014 km (0.088 R)
• M26: 32,314,337 km (0.06 R)
• M27: 34,851,068 km (0.117 R)
• M28: 35,445,570 km (0.114 R)
• M29: 36,167,978 km (0.077 R)
• M30: 46,613,201 km (0.118 R)
• M31: 49,096,525 km (0.063 R)
• M32: 49,245,375 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 16,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit