🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.43 AU - 0.63 AU

Year: 140 Days

Day: 40.1 Hours

Environment

Temp: 165 °C

Axial Tilt: 43.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,410,167 km

• M1: 64,626 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.21 AU - 3.75 AU

Year: 2359 Days

Day: 44.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.3

Radius: 12.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.49 AU - 7.79 AU

Year: 7675 Days

Day: 6 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,410,167 km

• M1: 155,432 km (0.071 R)
• M2: 553,811 km (0.065 R)
• M3: 1,111,363 km (0.067 R)
• M4: 2,237,535 km (0.095 R)
• M5: 3,148,437 km (0.089 R)
• M6: 6,918,303 km (0.086 R)
• M7: 8,953,133 km (0.11 R)
• M8: 14,170,060 km (0.051 R)
• M9: 14,980,432 km (0.047 R)
• M10: 16,575,743 km (0.038 R)
• M11: 17,051,614 km (0.108 R)
• M12: 18,030,882 km (0.106 R)
• M13: 18,789,642 km (0.077 R)
• M14: 19,307,251 km (0.057 R)
• M15: 20,034,446 km (0.107 R)
• M16: 20,779,892 km (0.076 R)
• M17: 24,403,302 km (0.074 R)
• M18: 26,123,528 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 20.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.5

Radius: 5.8

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 17.41 AU - 22.65 AU

Year: 32580 Days

Day: 21 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,410,167 km

• M1: 79,586 km (0.076 R)
• M2: 299,345 km (0.087 R)
• M3: 556,205 km (0.078 R)
• M4: 799,002 km (0.089 R)
• M5: 1,269,338 km (0.112 R)
• M6: 2,362,450 km (0.069 R)
• M7: 2,885,593 km (0.082 R)
• M8: 3,213,811 km (0.11 R)
• M9: 4,545,382 km (0.077 R)
• M10: 5,576,709 km (0.091 R)
• M11: 7,612,587 km (0.099 R)
• M12: 7,994,361 km (0.076 R)
• M13: 9,110,062 km (0.083 R)
• M14: 22,580,303 km (0.111 R)
• M15: 23,868,939 km (0.081 R)
• M16: 24,377,422 km (0.105 R)
• M17: 35,068,882 km (0.117 R)
• M18: 35,330,828 km (0.07 R)
• M19: 42,160,121 km (0.111 R)
• M20: 55,468,198 km (0.065 R)
• M21: 61,339,914 km (0.101 R)

Kuiper Belt

Range: 30.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 10,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit