🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.41 AU - 1.71 AU

Year: 863 Days

Day: 40.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 19,802,171 km

• M1: 469,588 km (0.075 R)
• M2: 600,187 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.67 AU - 2.11 AU

Year: 1151 Days

Day: 22.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,802,171 km

• M1: 33,211 km (0.083 R)

Asteroid Belt

Center: 2.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.2

Radius: 13.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.31 AU - 3.07 AU

Year: 1954 Days

Day: 12.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,802,171 km

• M1: 167,101 km (0.086 R)
• M2: 663,915 km (0.106 R)
• M3: 1,493,136 km (0.098 R)
• M4: 2,383,842 km (0.062 R)
• M5: 3,082,614 km (0.116 R)
• M6: 3,914,677 km (0.105 R)
• M7: 4,696,924 km (0.082 R)
• M8: 6,101,349 km (0.113 R)
• M9: 8,516,008 km (0.101 R)
• M10: 10,591,978 km (0.065 R)
• M11: 11,044,661 km (0.088 R)
• M12: 11,908,290 km (0.097 R)
• M13: 14,957,693 km (0.113 R)
• M14: 17,588,521 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.6

Radius: 13.9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.39 AU - 7.29 AU

Year: 6251 Days

Day: 12.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,802,171 km

• M1: 172,935 km (0.107 R)
• M2: 697,575 km (0.098 R)
• M3: 2,250,102 km (0.119 R)
• M4: 3,095,180 km (0.108 R)
• M5: 3,963,296 km (0.107 R)
• M6: 4,761,102 km (0.116 R)
• M7: 5,342,738 km (0.094 R)
• M8: 7,684,095 km (0.112 R)
• M9: 8,256,755 km (0.088 R)
• M10: 8,892,097 km (0.086 R)
• M11: 10,035,773 km (0.12 R)
• M12: 12,355,737 km (0.12 R)
• M13: 13,917,838 km (0.071 R)
• M14: 14,674,205 km (0.115 R)
• M15: 15,607,995 km (0.093 R)
• M16: 18,647,823 km (0.051 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 15,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit