🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.61 AU - 0.83 AU

Year: 228 Days

Day: 31.7 Hours

Environment

Temp: 118 °C

Axial Tilt: 16.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.04 AU - 1.04 AU

Year: 395 Days

Day: 22.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 65,305,767 km

• M1: 23,038 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.06 AU - 1.54 AU

Year: 553 Days

Day: 12.4 Hours

Environment

Temp: -37 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.66 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 18.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.4

Radius: 5.2

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 14.46 AU - 21.56 AU

Year: 28492 Days

Day: 15.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,305,767 km

• M1: 66,571 km (0.112 R)
• M2: 247,584 km (0.097 R)
• M3: 477,816 km (0.08 R)
• M4: 817,702 km (0.047 R)
• M5: 1,133,802 km (0.029 R)
• M6: 1,421,479 km (0.099 R)
• M7: 1,791,135 km (0.04 R)
• M8: 2,934,362 km (0.08 R)
• M9: 3,369,393 km (0.087 R)
• M10: 4,398,626 km (0.079 R)
• M11: 5,179,677 km (0.035 R)
• M12: 8,268,873 km (0.09 R)
• M13: 11,957,059 km (0.076 R)
• M14: 12,597,487 km (0.117 R)
• M15: 20,669,190 km (0.11 R)
• M16: 21,403,865 km (0.049 R)
• M17: 24,012,104 km (0.038 R)
• M18: 24,517,445 km (0.118 R)
• M19: 27,368,631 km (0.077 R)
• M20: 31,144,182 km (0.08 R)
• M21: 34,736,476 km (0.078 R)
• M22: 43,472,094 km (0.078 R)
• M23: 47,309,130 km (0.11 R)
• M24: 52,541,764 km (0.106 R)
• M25: 60,162,579 km (0.099 R)
• M26: 63,368,012 km (0.115 R)
• M27: 64,915,154 km (0.097 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 16,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit