🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.23 AU - 1.95 AU

Year: 759 Days

Day: 14.9 Hours

Environment

Temp: -66 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.78 AU - 3 AU

Year: 1861 Days

Day: 31.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.4

Radius: 10.5

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.22 AU - 5.68 AU

Year: 4819 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,783,372 km

• M1: 131,796 km (0.1 R)
• M2: 530,324 km (0.074 R)
• M3: 1,129,763 km (0.112 R)
• M4: 2,028,098 km (0.113 R)
• M5: 2,406,581 km (0.055 R)
• M6: 3,389,140 km (0.083 R)
• M7: 4,251,571 km (0.055 R)
• M8: 5,036,661 km (0.076 R)
• M9: 5,393,452 km (0.111 R)
• M10: 6,250,947 km (0.091 R)
• M11: 6,993,700 km (0.055 R)
• M12: 8,310,611 km (0.082 R)
• M13: 8,968,392 km (0.046 R)
• M14: 9,453,239 km (0.042 R)
• M15: 9,828,281 km (0.064 R)
• M16: 12,048,014 km (0.109 R)
• M17: 17,516,115 km (0.094 R)
• M18: 18,210,698 km (0.087 R)
• M19: 20,266,772 km (0.104 R)
• M20: 22,769,245 km (0.096 R)
• M21: 24,288,112 km (0.085 R)
• M22: 27,274,385 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.3

Radius: 6.7

Gravity: 19.03 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 10.3 AU - 15.06 AU

Year: 17101 Days

Day: 23.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,783,372 km

• M1: 83,326 km (0.099 R)
• M2: 408,402 km (0.087 R)
• M3: 878,887 km (0.073 R)
• M4: 1,305,391 km (0.103 R)
• M5: 1,533,977 km (0.098 R)
• M6: 2,195,050 km (0.082 R)
• M7: 2,408,825 km (0.08 R)
• M8: 3,083,511 km (0.095 R)
• M9: 3,846,760 km (0.074 R)
• M10: 6,149,819 km (0.102 R)
• M11: 7,833,244 km (0.11 R)
• M12: 11,305,859 km (0.034 R)
• M13: 13,948,655 km (0.071 R)
• M14: 16,484,937 km (0.106 R)
• M15: 17,990,341 km (0.092 R)
• M16: 21,561,990 km (0.041 R)
• M17: 27,135,857 km (0.077 R)
• M18: 27,363,096 km (0.071 R)
• M19: 27,591,682 km (0.097 R)
• M20: 29,586,569 km (0.106 R)
• M21: 32,949,380 km (0.108 R)
• M22: 40,422,541 km (0.081 R)
• M23: 46,309,666 km (0.115 R)
• M24: 47,453,043 km (0.058 R)
• M25: 53,631,734 km (0.054 R)
• M26: 54,169,688 km (0.099 R)
• M27: 58,035,896 km (0.097 R)
• M28: 63,072,557 km (0.115 R)
• M29: 65,901,602 km (0.114 R)
• M30: 69,025,355 km (0.091 R)
• M31: 73,342,002 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 19,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit