🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.02 AU - 1.08 AU

Year: 382 Days

Day: 17.5 Hours

Environment

Temp: 72 °C

Axial Tilt: 32.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.29 AU - 1.67 AU

Year: 639 Days

Day: 46.2 Hours

Environment

Temp: -16 °C

Axial Tilt: 38.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 43,137,949 km

• M1: 40,541 km (0.101 R)
• M2: 185,202 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2 AU - 2.96 AU

Year: 1386 Days

Day: 42.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 13.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.2

Radius: 4.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 12.4 AU - 14.16 AU

Year: 17169 Days

Day: 18.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,137,949 km

• M1: 68,217 km (0.1 R)
• M2: 288,873 km (0.041 R)
• M3: 648,208 km (0.08 R)
• M4: 2,034,980 km (0.105 R)
• M5: 2,327,444 km (0.115 R)
• M6: 5,040,251 km (0.101 R)
• M7: 7,408,236 km (0.058 R)
• M8: 8,178,366 km (0.083 R)
• M9: 8,541,739 km (0.108 R)
• M10: 8,831,809 km (0.066 R)
• M11: 14,586,391 km (0.079 R)
• M12: 16,354,488 km (0.108 R)
• M13: 19,586,550 km (0.105 R)
• M14: 25,364,169 km (0.101 R)
• M15: 33,187,689 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.8

Radius: 3.1

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 13.93 AU - 22.11 AU

Year: 27137 Days

Day: 16.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,137,949 km

• M1: 70,012 km (0.079 R)
• M2: 184,005 km (0.102 R)
• M3: 641,775 km (0.114 R)
• M4: 9,535,518 km (0.094 R)
• M5: 10,161,884 km (0.087 R)
• M6: 11,711,569 km (0.08 R)
• M7: 16,192,474 km (0.085 R)
• M8: 17,012,569 km (0.03 R)
• M9: 22,188,356 km (0.08 R)
• M10: 23,113,469 km (0.084 R)
• M11: 27,356,663 km (0.053 R)
• M12: 32,196,903 km (0.09 R)

Kuiper Belt

Range: 30.9 - 59.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 17,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit