🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.17 AU - 1.21 AU

Year: 484 Days

Day: 26.8 Hours

Environment

Temp: 9 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 41,701,968 km

• M1: 20,345 km (0.088 R)
• M2: 130,749 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.18 AU - 2.74 AU

Year: 1438 Days

Day: 21.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.98 AU - 4.44 AU

Year: 2664 Days

Day: 34.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.5

Radius: 5.6

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 10.17 AU - 15.07 AU

Year: 16713 Days

Day: 19 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,701,968 km

• M1: 69,713 km (0.051 R)
• M2: 596,297 km (0.066 R)
• M3: 1,346,231 km (0.117 R)
• M4: 1,552,228 km (0.1 R)
• M5: 1,779,167 km (0.112 R)
• M6: 2,061,010 km (0.116 R)
• M7: 3,198,402 km (0.103 R)
• M8: 4,122,020 km (0.116 R)
• M9: 4,673,886 km (0.099 R)
• M10: 8,751,176 km (0.057 R)
• M11: 13,102,530 km (0.057 R)
• M12: 15,803,818 km (0.078 R)
• M13: 16,465,789 km (0.098 R)
• M14: 18,129,616 km (0.118 R)
• M15: 24,921,958 km (0.044 R)
• M16: 26,274,024 km (0.077 R)
• M17: 28,537,739 km (0.082 R)
• M18: 31,546,152 km (0.035 R)
• M19: 32,594,085 km (0.1 R)
• M20: 34,209,293 km (0.099 R)
• M21: 36,216,897 km (0.025 R)
• M22: 39,014,227 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 11,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit