🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.05 AU - 1.65 AU

Year: 567 Days

Day: 42.3 Hours

Environment

Temp: -12 °C

Axial Tilt: 41.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.46 AU - 2.12 AU

Year: 866 Days

Day: 13.9 Hours

Environment

Temp: -48 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.07 AU - 3.23 AU

Year: 1560 Days

Day: 32 Hours

Environment

Temp: -87 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,111,641 km

• M1: 42,037 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.8

Radius: 11.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.44 AU - 6.14 AU

Year: 5039 Days

Day: 8.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,111,641 km

• M1: 140,472 km (0.079 R)
• M2: 504,594 km (0.059 R)
• M3: 1,124,826 km (0.075 R)
• M4: 1,875,209 km (0.086 R)
• M5: 4,710,687 km (0.078 R)
• M6: 6,928,326 km (0.114 R)
• M7: 11,094,477 km (0.097 R)
• M8: 11,612,535 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.5

Radius: 5.7

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 12.16 AU - 16.8 AU

Year: 19927 Days

Day: 24.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,111,641 km

• M1: 145,708 km (0.09 R)
• M2: 581,487 km (0.115 R)
• M3: 766,240 km (0.097 R)
• M4: 1,259,016 km (0.075 R)
• M5: 1,559,558 km (0.047 R)
• M6: 1,802,804 km (0.061 R)
• M7: 2,345,246 km (0.113 R)
• M8: 2,778,780 km (0.091 R)
• M9: 3,238,644 km (0.069 R)
• M10: 3,473,513 km (0.062 R)
• M11: 4,066,070 km (0.039 R)
• M12: 5,633,257 km (0.101 R)
• M13: 5,935,146 km (0.072 R)
• M14: 6,448,865 km (0.1 R)
• M15: 14,618,554 km (0.117 R)
• M16: 15,045,058 km (0.063 R)
• M17: 20,474,114 km (0.1 R)
• M18: 25,719,614 km (0.119 R)
• M19: 30,280,853 km (0.045 R)
• M20: 30,973,491 km (0.101 R)
• M21: 33,973,676 km (0.108 R)
• M22: 36,899,960 km (0.085 R)
• M23: 39,303,998 km (0.073 R)
• M24: 49,327,953 km (0.048 R)
• M25: 50,125,908 km (0.115 R)
• M26: 58,405,851 km (0.032 R)
• M27: 59,658,284 km (0.11 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 13,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit