🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.54 AU - 0.68 AU

Year: 178 Days

Day: 43.6 Hours

Environment

Temp: 122 °C

Axial Tilt: 37.6 °

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: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.66 AU - 1.04 AU

Year: 292 Days

Day: 39.5 Hours

Environment

Temp: 80 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.83 AU - 1.23 AU

Year: 390 Days

Day: 20.5 Hours

Environment

Temp: 27 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.6 AU - 2.06 AU

Year: 923 Days

Day: 31.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,271,862 km

• M1: 33,809 km (0.116 R)
• M2: 126,111 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.04 AU - 2.2 AU

Year: 1151 Days

Day: 42.5 Hours

Environment

Temp: -73 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,271,862 km

• M1: 150,346 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.7

Radius: 14.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.58 AU - 9.14 AU

Year: 8215 Days

Day: 13.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,271,862 km

• M1: 185,352 km (0.08 R)
• M2: 867,219 km (0.098 R)
• M3: 1,771,837 km (0.052 R)
• M4: 3,000,634 km (0.105 R)
• M5: 4,014,160 km (0.038 R)
• M6: 4,489,283 km (0.082 R)
• M7: 5,109,515 km (0.088 R)
• M8: 5,611,715 km (0.059 R)
• M9: 6,651,570 km (0.072 R)
• M10: 7,390,584 km (0.095 R)
• M11: 8,993,226 km (0.104 R)
• M12: 10,638,204 km (0.06 R)
• M13: 11,275,192 km (0.045 R)
• M14: 12,676,026 km (0.117 R)
• M15: 16,056,339 km (0.117 R)
• M16: 16,956,769 km (0.097 R)
• M17: 18,273,679 km (0.109 R)
• M18: 20,271,858 km (0.105 R)
• M19: 20,828,512 km (0.102 R)
• M20: 22,191,647 km (0.119 R)
• M21: 24,778,045 km (0.071 R)
• M22: 27,900,003 km (0.072 R)
• M23: 28,763,332 km (0.098 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: 304 - 19,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit