🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.52 AU - 0.54 AU

Year: 145 Days

Day: 18.9 Hours

Environment

Temp: 223 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,176,944 km

• M1: 240,553 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.95 AU - 1.45 AU

Year: 495 Days

Day: 26.8 Hours

Environment

Temp: -3 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 78,176,944 km

• M1: 35,305 km (0.12 R)
• M2: 275,410 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.22 AU - 1.7 AU

Year: 665 Days

Day: 19.9 Hours

Environment

Temp: -52 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.61 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.5

Radius: 4.6

Gravity: 38.07 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 11.7 AU - 15.8 AU

Year: 19208 Days

Day: 24.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,176,944 km

• M1: 88,861 km (0.051 R)
• M2: 365,318 km (0.097 R)
• M3: 551,867 km (0.105 R)
• M4: 900,430 km (0.108 R)
• M5: 1,577,809 km (0.115 R)
• M6: 1,962,425 km (0.085 R)
• M7: 4,550,019 km (0.098 R)
• M8: 4,762,897 km (0.094 R)
• M9: 5,056,857 km (0.062 R)
• M10: 9,589,672 km (0.106 R)
• M11: 14,908,475 km (0.099 R)
• M12: 15,696,856 km (0.07 R)
• M13: 16,846,815 km (0.053 R)
• M14: 24,620,518 km (0.07 R)
• M15: 28,254,101 km (0.101 R)
• M16: 34,757,569 km (0.051 R)
• M17: 35,168,515 km (0.059 R)
• M18: 36,844,609 km (0.092 R)
• M19: 38,136,088 km (0.104 R)
• M20: 42,972,587 km (0.082 R)
• M21: 44,402,892 km (0.044 R)
• M22: 47,863,390 km (0.115 R)
• M23: 53,657,465 km (0.045 R)
• M24: 57,577,827 km (0.073 R)
• M25: 57,960,947 km (0.074 R)
• M26: 59,901,680 km (0.052 R)
• M27: 61,485,174 km (0.041 R)
• M28: 66,402,605 km (0.085 R)
• M29: 74,260,233 km (0.067 R)
• M30: 77,475,989 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 13,003 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit