🌌 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: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.13 AU - 1.59 AU

Year: 557 Days

Day: 34.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 3.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.05 AU - 2.05 AU

Year: 1032 Days

Day: 16 Hours

Environment

Temp: -48 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,551,666 km

• M1: 77,641 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.45 AU - 5.87 AU

Year: 4120 Days

Day: 32.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.9

Radius: 12.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.3 AU - 8.02 AU

Year: 7451 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,551,666 km

• M1: 156,779 km (0.053 R)
• M2: 557,850 km (0.119 R)
• M3: 1,431,801 km (0.109 R)
• M4: 2,675,109 km (0.058 R)
• M5: 3,257,344 km (0.104 R)
• M6: 4,172,883 km (0.108 R)
• M7: 5,104,878 km (0.11 R)
• M8: 7,045,312 km (0.05 R)
• M9: 8,614,444 km (0.093 R)
• M10: 10,405,429 km (0.089 R)
• M11: 13,711,393 km (0.062 R)
• M12: 16,724,892 km (0.07 R)
• M13: 21,602,980 km (0.119 R)
• M14: 31,275,978 km (0.091 R)
• M15: 32,490,862 km (0.088 R)
• M16: 38,350,162 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 10.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 11.91 AU - 12.87 AU

Year: 15328 Days

Day: 14.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,551,666 km

• M1: 138,976 km (0.088 R)
• M2: 773,870 km (0.086 R)
• M3: 1,147,416 km (0.082 R)
• M4: 1,564,943 km (0.108 R)
• M5: 3,872,939 km (0.113 R)
• M6: 4,253,965 km (0.055 R)
• M7: 5,211,840 km (0.113 R)
• M8: 5,614,109 km (0.099 R)
• M9: 6,729,211 km (0.077 R)
• M10: 7,207,027 km (0.035 R)
• M11: 7,905,948 km (0.089 R)
• M12: 10,038,466 km (0.098 R)
• M13: 12,204,045 km (0.099 R)
• M14: 13,310,620 km (0.107 R)
• M15: 15,595,428 km (0.107 R)
• M16: 20,090,396 km (0.058 R)
• M17: 21,473,278 km (0.112 R)
• M18: 22,187,907 km (0.086 R)
• M19: 23,331,134 km (0.111 R)
• M20: 26,905,027 km (0.115 R)
• M21: 35,446,168 km (0.113 R)
• M22: 35,887,482 km (0.095 R)
• M23: 36,444,435 km (0.105 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 20,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit