🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.52 AU - 0.6 AU

Year: 147 Days

Day: 30.7 Hours

Environment

Temp: 227 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.19 AU - 1.77 AU

Year: 630 Days

Day: 18.7 Hours

Environment

Temp: -16 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.81 AU - 3.31 AU

Year: 1873 Days

Day: 36 Hours

Environment

Temp: -87 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.06 AU - 3.76 AU

Year: 2203 Days

Day: 24.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,806,279 km

• M1: 516,861 km (0.048 R)
• M2: 2,378,905 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.13 AU - 4.71 AU

Year: 3251 Days

Day: 44.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.38 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.9

Radius: 6.6

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 11.19 AU - 17.49 AU

Year: 18998 Days

Day: 20.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,806,279 km

• M1: 83,476 km (0.075 R)
• M2: 350,957 km (0.083 R)
• M3: 671,994 km (0.111 R)
• M4: 1,073,365 km (0.074 R)
• M5: 1,376,600 km (0.073 R)
• M6: 2,232,898 km (0.115 R)
• M7: 3,224,582 km (0.086 R)
• M8: 3,532,604 km (0.112 R)
• M9: 4,544,634 km (0.109 R)
• M10: 5,555,467 km (0.119 R)
• M11: 11,461,740 km (0.095 R)
• M12: 14,447,265 km (0.115 R)
• M13: 15,143,344 km (0.111 R)
• M14: 16,677,619 km (0.117 R)
• M15: 20,051,650 km (0.095 R)
• M16: 20,742,194 km (0.108 R)
• M17: 22,908,969 km (0.062 R)
• M18: 26,847,881 km (0.101 R)
• M19: 32,968,828 km (0.115 R)
• M20: 35,657,251 km (0.055 R)
• M21: 37,441,953 km (0.057 R)
• M22: 43,868,828 km (0.09 R)
• M23: 44,592,881 km (0.094 R)
• M24: 48,950,817 km (0.08 R)
• M25: 52,602,650 km (0.089 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 17,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit