🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.64 AU - 0.66 AU

Year: 195 Days

Day: 28.6 Hours

Environment

Temp: 117 °C

Axial Tilt: 26.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.66 AU - 1.04 AU

Year: 292 Days

Day: 30.5 Hours

Environment

Temp: 165 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.85 AU - 1.23 AU

Year: 395 Days

Day: 35.6 Hours

Environment

Temp: 27 °C

Axial Tilt: 15 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.57 AU - 2.37 AU

Year: 1031 Days

Day: 43.2 Hours

Environment

Temp: -76 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 14.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.1

Radius: 4.4

Gravity: 37.61 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 14.51 AU - 15.47 AU

Year: 21635 Days

Day: 23.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,828,576 km

• M1: 55,501 km (0.114 R)
• M2: 492,925 km (0.083 R)
• M3: 790,625 km (0.051 R)
• M4: 1,102,536 km (0.048 R)
• M5: 1,475,484 km (0.076 R)
• M6: 3,901,812 km (0.098 R)
• M7: 6,156,551 km (0.074 R)
• M8: 6,878,959 km (0.109 R)
• M9: 14,185,917 km (0.111 R)
• M10: 15,519,732 km (0.115 R)
• M11: 16,425,996 km (0.073 R)
• M12: 17,984,207 km (0.054 R)
• M13: 19,923,295 km (0.086 R)
• M14: 33,460,855 km (0.11 R)
• M15: 35,387,676 km (0.081 R)
• M16: 47,150,706 km (0.096 R)
• M17: 47,320,798 km (0.117 R)
• M18: 49,568,506 km (0.099 R)
• M19: 70,609,297 km (0.084 R)
• M20: 72,629,317 km (0.088 R)
• M21: 72,856,108 km (0.039 R)
• M22: 73,997,240 km (0.085 R)
• M23: 79,640,521 km (0.07 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 149 - 14,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit