🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.75 AU - 1.11 AU

Year: 312 Days

Day: 12.4 Hours

Environment

Temp: 152 °C

Axial Tilt: 25.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,053,575 km

• M1: 784,940 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.62 AU - 1.62 AU

Year: 718 Days

Day: 19 Hours

Environment

Temp: -18 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 30,053,575 km

• M1: 201,808 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.42 AU - 2.06 AU

Year: 799 Days

Day: 27.4 Hours

Environment

Temp: -38 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.6

Radius: 13.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.65 AU - 9.61 AU

Year: 8829 Days

Day: 9.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,053,575 km

• M1: 174,431 km (0.047 R)
• M2: 774,767 km (0.053 R)
• M3: 1,260,362 km (0.105 R)
• M4: 1,980,676 km (0.083 R)
• M5: 2,695,155 km (0.086 R)
• M6: 3,924,999 km (0.089 R)
• M7: 4,466,693 km (0.066 R)
• M8: 6,557,922 km (0.063 R)
• M9: 7,152,573 km (0.099 R)
• M10: 8,374,339 km (0.049 R)
• M11: 10,374,014 km (0.116 R)
• M12: 10,908,826 km (0.114 R)
• M13: 11,745,527 km (0.114 R)
• M14: 12,825,624 km (0.066 R)
• M15: 15,297,280 km (0.063 R)
• M16: 17,817,555 km (0.07 R)
• M17: 18,391,712 km (0.106 R)
• M18: 21,236,016 km (0.059 R)
• M19: 21,665,063 km (0.088 R)
• M20: 23,744,174 km (0.047 R)
• M21: 24,284,073 km (0.104 R)
• M22: 25,629,406 km (0.043 R)
• M23: 27,023,958 km (0.09 R)

Kuiper Belt

Range: 31.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 17,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit