🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.83 AU - 0.97 AU

Year: 363 Days

Day: 34.5 Hours

Environment

Temp: -41 °C

Axial Tilt: 70.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.93 AU - 1.51 AU

Year: 572 Days

Day: 30 Hours

Environment

Temp: -80 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,989,866 km

• M1: 196,422 km (0.036 R)
• M2: 216,618 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.1 AU - 1.66 AU

Year: 688 Days

Day: 33.7 Hours

Environment

Temp: -86 °C

Axial Tilt: 42.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.12 AU - 1.82 AU

Year: 757 Days

Day: 46.7 Hours

Environment

Temp: -97 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.52 AU - 2.32 AU

Year: 1130 Days

Day: 42.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 11.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.1

Radius: 4.3

Gravity: 44.03 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 10.37 AU - 12.93 AU

Year: 16884 Days

Day: 15.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,989,866 km

• M1: 53,556 km (0.119 R)
• M2: 281,992 km (0.064 R)
• M3: 586,872 km (0.081 R)
• M4: 1,632,562 km (0.102 R)
• M5: 1,919,041 km (0.116 R)
• M6: 2,155,257 km (0.067 R)
• M7: 2,591,933 km (0.064 R)
• M8: 5,047,731 km (0.107 R)
• M9: 5,498,171 km (0.112 R)
• M10: 5,934,099 km (0.115 R)
• M11: 7,569,951 km (0.072 R)
• M12: 11,443,938 km (0.11 R)
• M13: 15,359,812 km (0.115 R)
• M14: 15,747,569 km (0.104 R)
• M15: 19,356,618 km (0.112 R)
• M16: 19,717,897 km (0.105 R)
• M17: 20,547,417 km (0.083 R)
• M18: 21,018,202 km (0.04 R)
• M19: 46,611,705 km (0.081 R)
• M20: 56,069,432 km (0.113 R)
• M21: 58,477,808 km (0.079 R)
• M22: 69,010,695 km (0.112 R)
• M23: 71,989,936 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 18,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit