🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.09 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.96 AU - 2.4 AU

Year: 1194 Days

Day: 21.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.36 AU - 3.72 AU

Year: 2470 Days

Day: 44.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.1 AU - 4.28 AU

Year: 2629 Days

Day: 12.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,822,402 km

• M1: 41,289 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 11.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.28 AU - 5.3 AU

Year: 4512 Days

Day: 12.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,822,402 km

• M1: 138,228 km (0.111 R)
• M2: 540,647 km (0.117 R)
• M3: 936,183 km (0.079 R)
• M4: 1,335,460 km (0.114 R)
• M5: 2,849,690 km (0.106 R)
• M6: 3,299,830 km (0.075 R)
• M7: 3,840,776 km (0.12 R)
• M8: 4,202,503 km (0.105 R)
• M9: 5,652,855 km (0.051 R)
• M10: 8,568,816 km (0.12 R)
• M11: 10,008,995 km (0.037 R)
• M12: 10,436,247 km (0.059 R)
• M13: 11,327,401 km (0.083 R)
• M14: 13,363,129 km (0.095 R)
• M15: 17,895,944 km (0.105 R)
• M16: 18,526,350 km (0.077 R)
• M17: 19,499,634 km (0.112 R)
• M18: 20,167,289 km (0.12 R)
• M19: 23,962,737 km (0.119 R)
• M20: 24,883,960 km (0.08 R)
• M21: 25,908,257 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.4

Radius: 8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 12.57 AU - 20.09 AU

Year: 24473 Days

Day: 15.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,822,402 km

• M1: 99,632 km (0.12 R)
• M2: 960,119 km (0.1 R)
• M3: 3,408,737 km (0.096 R)
• M4: 4,965,153 km (0.049 R)
• M5: 5,764,006 km (0.115 R)
• M6: 9,449,499 km (0.04 R)
• M7: 13,486,697 km (0.044 R)
• M8: 15,225,323 km (0.118 R)
• M9: 16,969,036 km (0.075 R)
• M10: 18,545,050 km (0.108 R)
• M11: 27,909,727 km (0.117 R)
• M12: 28,397,565 km (0.075 R)
• M13: 42,781,401 km (0.055 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 18,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit