🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.82 AU - 0.96 AU

Year: 318 Days

Day: 24.6 Hours

Environment

Temp: 18 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.21 AU - 1.21 AU

Year: 504 Days

Day: 43.4 Hours

Environment

Temp: -19 °C

Axial Tilt: 17.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.18 AU - 1.3 AU

Year: 523 Days

Day: 34 Hours

Environment

Temp: -27 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,411,214 km

• M1: 472,879 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.7

Radius: 4.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 9.12 AU - 14.98 AU

Year: 15843 Days

Day: 17 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,411,214 km

• M1: 59,690 km (0.088 R)
• M2: 208,988 km (0.09 R)
• M3: 403,017 km (0.077 R)
• M4: 622,028 km (0.07 R)
• M5: 820,694 km (0.041 R)
• M6: 2,935,409 km (0.111 R)
• M7: 3,694,319 km (0.095 R)
• M8: 4,179,166 km (0.097 R)
• M9: 4,374,691 km (0.117 R)
• M10: 5,416,490 km (0.11 R)
• M11: 5,619,644 km (0.106 R)
• M12: 8,665,457 km (0.084 R)
• M13: 9,770,835 km (0.075 R)
• M14: 10,875,466 km (0.064 R)
• M15: 15,715,256 km (0.11 R)
• M16: 17,288,128 km (0.118 R)
• M17: 17,792,423 km (0.1 R)
• M18: 19,499,035 km (0.086 R)
• M19: 23,925,487 km (0.092 R)
• M20: 27,080,655 km (0.071 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 16,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit