🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.52 AU - 0.7 AU

Year: 176 Days

Day: 45.7 Hours

Environment

Temp: 179 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.65 AU - 1.07 AU

Year: 294 Days

Day: 21.6 Hours

Environment

Temp: 159 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.15 AU - 1.75 AU

Year: 644 Days

Day: 28.5 Hours

Environment

Temp: -29 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,639,931 km

• M1: 275,110 km (0.09 R)

Asteroid Belt

Center: 4.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.1

Radius: 14.2

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.54 AU - 6.64 AU

Year: 6242 Days

Day: 5.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,639,931 km

• M1: 195,674 km (0.098 R)
• M2: 648,806 km (0.108 R)
• M3: 1,175,839 km (0.06 R)
• M4: 1,664,576 km (0.066 R)
• M5: 2,424,383 km (0.071 R)
• M6: 2,876,318 km (0.113 R)
• M7: 5,054,912 km (0.12 R)
• M8: 5,864,685 km (0.071 R)
• M9: 6,553,135 km (0.113 R)
• M10: 7,149,432 km (0.058 R)
• M11: 9,771,284 km (0.114 R)
• M12: 11,723,088 km (0.071 R)
• M13: 12,498,304 km (0.057 R)
• M14: 24,160,056 km (0.106 R)
• M15: 27,876,815 km (0.051 R)
• M16: 31,367,083 km (0.067 R)
• M17: 35,032,979 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.3

Radius: 11.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.86 AU - 9.34 AU

Year: 8506 Days

Day: 7.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,639,931 km

• M1: 144,212 km (0.104 R)
• M2: 520,750 km (0.039 R)
• M3: 895,493 km (0.103 R)
• M4: 1,381,088 km (0.117 R)
• M5: 1,868,627 km (0.097 R)
• M6: 2,385,936 km (0.117 R)
• M7: 3,156,066 km (0.052 R)
• M8: 4,587,568 km (0.114 R)
• M9: 5,626,376 km (0.112 R)
• M10: 6,250,049 km (0.053 R)
• M11: 6,645,885 km (0.107 R)
• M12: 7,451,919 km (0.107 R)
• M13: 8,519,748 km (0.083 R)
• M14: 9,906,072 km (0.102 R)
• M15: 10,910,472 km (0.119 R)
• M16: 13,067,823 km (0.099 R)
• M17: 13,498,665 km (0.1 R)
• M18: 15,317,326 km (0.12 R)
• M19: 17,617,543 km (0.105 R)
• M20: 18,952,554 km (0.081 R)
• M21: 19,435,456 km (0.065 R)
• M22: 19,855,826 km (0.032 R)
• M23: 20,933,380 km (0.104 R)
• M24: 21,673,141 km (0.071 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 19,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit