🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.44 AU - 0.66 AU

Year: 142 Days

Day: 29.4 Hours

Environment

Temp: 226 °C

Axial Tilt: 28.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.89 AU - 0.91 AU

Year: 297 Days

Day: 31.3 Hours

Environment

Temp: 97 °C

Axial Tilt: 7.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.9 AU - 1.1 AU

Year: 348 Days

Day: 17.5 Hours

Environment

Temp: 172 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.23 AU - 4.07 AU

Year: 2428 Days

Day: 40.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.8

Radius: 12.3

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.06 AU - 8.96 AU

Year: 7895 Days

Day: 10.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,552,823 km

• M1: 167,101 km (0.028 R)
• M2: 703,559 km (0.054 R)
• M3: 1,575,116 km (0.044 R)
• M4: 1,986,809 km (0.116 R)
• M5: 3,073,937 km (0.044 R)
• M6: 4,168,844 km (0.106 R)
• M7: 5,688,758 km (0.113 R)
• M8: 6,452,306 km (0.071 R)
• M9: 9,383,676 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 14.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.6 AU - 8.66 AU

Year: 8829 Days

Day: 10.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 156.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,552,823 km

• M1: 180,415 km (0.102 R)
• M2: 832,512 km (0.077 R)
• M3: 1,300,155 km (0.04 R)
• M4: 1,780,364 km (0.117 R)
• M5: 3,027,711 km (0.101 R)
• M6: 4,797,155 km (0.118 R)
• M7: 5,266,892 km (0.116 R)
• M8: 5,906,274 km (0.069 R)
• M9: 6,410,119 km (0.095 R)
• M10: 7,179,950 km (0.097 R)
• M11: 7,839,676 km (0.091 R)
• M12: 9,618,395 km (0.12 R)
• M13: 10,628,779 km (0.039 R)
• M14: 12,275,702 km (0.117 R)
• M15: 13,711,393 km (0.077 R)
• M16: 14,534,480 km (0.114 R)
• M17: 15,457,350 km (0.119 R)
• M18: 17,493,377 km (0.058 R)
• M19: 18,998,032 km (0.097 R)
• M20: 21,751,680 km (0.116 R)
• M21: 23,401,445 km (0.096 R)
• M22: 24,485,581 km (0.111 R)
• M23: 26,270,134 km (0.071 R)
• M24: 28,443,193 km (0.03 R)
• M25: 30,097,296 km (0.107 R)
• M26: 34,052,066 km (0.084 R)
• M27: 36,273,145 km (0.041 R)
• M28: 40,486,121 km (0.108 R)
• M29: 47,544,148 km (0.107 R)

Kuiper Belt

Range: 31.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 16,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit