🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.57 AU - 0.83 AU

Year: 224 Days

Day: 40.6 Hours

Environment

Temp: 133 °C

Axial Tilt: 11.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.81 AU - 0.85 AU

Year: 290 Days

Day: 37.1 Hours

Environment

Temp: 31 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.84 AU - 1.24 AU

Year: 406 Days

Day: 22.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.31 AU - 1.37 AU

Year: 594 Days

Day: 15.1 Hours

Environment

Temp: -36 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 12.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.4

Radius: 3.2

Gravity: 62.64 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 10.99 AU - 13.59 AU

Year: 16497 Days

Day: 21.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 77.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,470,325 km

• M1: 39,943 km (0.119 R)
• M2: 467,643 km (0.08 R)
• M3: 1,150,408 km (0.094 R)
• M4: 2,104,393 km (0.115 R)
• M5: 2,412,565 km (0.042 R)
• M6: 2,703,383 km (0.069 R)
• M7: 3,951,029 km (0.11 R)
• M8: 4,615,693 km (0.053 R)
• M9: 11,778,439 km (0.072 R)
• M10: 14,457,288 km (0.088 R)
• M11: 14,601,051 km (0.104 R)
• M12: 16,090,897 km (0.109 R)
• M13: 16,793,109 km (0.1 R)
• M14: 17,925,864 km (0.065 R)
• M15: 19,108,435 km (0.118 R)
• M16: 23,856,073 km (0.071 R)
• M17: 24,258,641 km (0.087 R)
• M18: 25,808,475 km (0.059 R)
• M19: 27,864,698 km (0.092 R)
• M20: 28,087,299 km (0.099 R)
• M21: 34,427,257 km (0.102 R)
• M22: 42,829,571 km (0.077 R)
• M23: 44,781,075 km (0.112 R)
• M24: 45,547,166 km (0.057 R)
• M25: 52,330,532 km (0.041 R)
• M26: 58,109,647 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 18,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit