🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.5 AU - 0.52 AU

Year: 132 Days

Day: 19.1 Hours

Environment

Temp: 269 °C

Axial Tilt: 16.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.56 AU - 0.9 AU

Year: 227 Days

Day: 18.2 Hours

Environment

Temp: 177 °C

Axial Tilt: 26.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.76 AU - 3.9 AU

Year: 2724 Days

Day: 42.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.68 AU - 4.3 AU

Year: 2897 Days

Day: 33.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,184,287 km

• M1: 1,520,962 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.3

Radius: 3.7

Gravity: 62.55 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 16.25 AU - 19.47 AU

Year: 27432 Days

Day: 21.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 101,184,287 km

• M1: 83,775 km (0.116 R)
• M2: 203,902 km (0.071 R)
• M3: 492,177 km (0.096 R)
• M4: 655,687 km (0.101 R)
• M5: 2,314,129 km (0.05 R)
• M6: 2,538,227 km (0.068 R)
• M7: 4,308,419 km (0.1 R)
• M8: 5,639,541 km (0.118 R)
• M9: 10,613,670 km (0.111 R)
• M10: 10,816,824 km (0.092 R)
• M11: 12,312,802 km (0.114 R)
• M12: 14,266,850 km (0.113 R)
• M13: 15,103,102 km (0.041 R)
• M14: 16,599,081 km (0.096 R)
• M15: 18,677,743 km (0.094 R)
• M16: 18,973,947 km (0.037 R)
• M17: 24,501,738 km (0.044 R)
• M18: 25,335,297 km (0.07 R)
• M19: 31,706,969 km (0.069 R)
• M20: 31,847,143 km (0.102 R)
• M21: 33,998,360 km (0.054 R)
• M22: 40,204,577 km (0.076 R)
• M23: 48,597,317 km (0.074 R)
• M24: 52,413,559 km (0.112 R)
• M25: 60,420,336 km (0.11 R)
• M26: 81,923,235 km (0.05 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 17,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit