🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.59 AU - 0.65 AU

Year: 315 Days

Day: 35.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,910,152 km

• M1: 27,825 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.2

Radius: 13.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.77 AU - 0.99 AU

Year: 533 Days

Day: 5.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,910,152 km

• M1: 165,455 km (0.063 R)
• M2: 619,485 km (0.067 R)
• M3: 1,472,641 km (0.082 R)
• M4: 1,939,088 km (0.087 R)
• M5: 2,485,269 km (0.1 R)
• M6: 2,938,850 km (0.09 R)
• M7: 3,574,791 km (0.08 R)
• M8: 4,448,891 km (0.089 R)
• M9: 5,290,678 km (0.065 R)
• M10: 5,884,881 km (0.081 R)
• M11: 6,779,476 km (0.088 R)

Asteroid Belt

Center: 2.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.2

Radius: 12.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.7 AU - 5.16 AU

Year: 6020 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 162.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,910,152 km

• M1: 154,535 km (0.085 R)
• M2: 595,400 km (0.097 R)
• M3: 1,269,188 km (0.091 R)
• M4: 1,658,891 km (0.091 R)
• M5: 2,464,924 km (0.109 R)
• M6: 3,560,429 km (0.053 R)
• M7: 4,557,948 km (0.063 R)
• M8: 5,011,529 km (0.072 R)
• M9: 5,885,779 km (0.115 R)
• M10: 7,787,168 km (0.067 R)
• M11: 9,979,824 km (0.052 R)
• M12: 10,472,599 km (0.11 R)
• M13: 11,361,958 km (0.114 R)
• M14: 16,273,107 km (0.053 R)
• M15: 16,956,769 km (0.08 R)
• M16: 17,854,506 km (0.111 R)
• M17: 18,716,190 km (0.099 R)
• M18: 20,666,198 km (0.069 R)
• M19: 23,998,939 km (0.076 R)
• M20: 27,066,144 km (0.066 R)
• M21: 31,518,027 km (0.049 R)
• M22: 32,385,545 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.3

Radius: 4.5

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.14 AU - 7.62 AU

Year: 11652 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,910,152 km

• M1: 61,036 km (0.067 R)
• M2: 349,909 km (0.072 R)
• M3: 762,650 km (0.12 R)
• M4: 940,073 km (0.103 R)
• M5: 1,322,894 km (0.102 R)
• M6: 1,631,514 km (0.054 R)
• M7: 2,213,749 km (0.11 R)
• M8: 3,039,679 km (0.065 R)
• M9: 3,468,127 km (0.091 R)
• M10: 4,520,698 km (0.084 R)
• M11: 5,105,775 km (0.057 R)
• M12: 5,445,512 km (0.092 R)
• M13: 5,891,015 km (0.111 R)
• M14: 6,621,052 km (0.047 R)
• M15: 6,787,405 km (0.11 R)
• M16: 11,960,350 km (0.084 R)
• M17: 13,229,388 km (0.09 R)
• M18: 14,473,744 km (0.062 R)
• M19: 17,507,439 km (0.096 R)
• M20: 22,027,838 km (0.047 R)
• M21: 23,614,772 km (0.054 R)
• M22: 24,317,583 km (0.119 R)
• M23: 29,632,346 km (0.058 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 16,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit