🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.03 AU - 1.19 AU

Year: 448 Days

Day: 13.9 Hours

Environment

Temp: -10 °C

Axial Tilt: 124 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.37 AU - 1.87 AU

Year: 789 Days

Day: 20.1 Hours

Environment

Temp: -72 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.08 AU - 3.14 AU

Year: 2100 Days

Day: 13.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 8.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.13 AU - 9.65 AU

Year: 10149 Days

Day: 11.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,081,707 km

• M1: 117,584 km (0.032 R)
• M2: 638,783 km (0.07 R)
• M3: 1,214,884 km (0.089 R)
• M4: 1,771,239 km (0.118 R)
• M5: 2,705,178 km (0.118 R)
• M6: 3,314,790 km (0.081 R)
• M7: 3,896,426 km (0.116 R)
• M8: 4,171,686 km (0.08 R)
• M9: 5,007,490 km (0.102 R)
• M10: 7,065,059 km (0.075 R)
• M11: 7,902,208 km (0.109 R)
• M12: 8,837,195 km (0.12 R)
• M13: 9,279,556 km (0.11 R)
• M14: 11,676,114 km (0.118 R)
• M15: 12,587,165 km (0.054 R)
• M16: 14,317,713 km (0.113 R)
• M17: 14,691,408 km (0.091 R)
• M18: 17,386,265 km (0.09 R)
• M19: 18,135,301 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829

Radius: 12.6

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.5 AU - 10.14 AU

Year: 10894 Days

Day: 13 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,081,707 km

• M1: 156,629 km (0.118 R)
• M2: 550,371 km (0.074 R)
• M3: 1,126,472 km (0.095 R)
• M4: 2,276,132 km (0.08 R)
• M5: 2,672,566 km (0.044 R)
• M6: 3,582,121 km (0.093 R)
• M7: 5,236,225 km (0.118 R)
• M8: 5,648,816 km (0.047 R)
• M9: 6,937,900 km (0.108 R)
• M10: 9,226,748 km (0.074 R)
• M11: 9,831,123 km (0.12 R)
• M12: 11,231,808 km (0.093 R)
• M13: 11,746,425 km (0.056 R)
• M14: 12,761,446 km (0.114 R)
• M15: 13,385,269 km (0.062 R)
• M16: 15,171,917 km (0.051 R)
• M17: 17,037,701 km (0.08 R)
• M18: 19,620,658 km (0.104 R)
• M19: 22,364,732 km (0.094 R)
• M20: 24,679,460 km (0.11 R)
• M21: 30,107,319 km (0.102 R)
• M22: 32,232,507 km (0.054 R)
• M23: 33,390,394 km (0.065 R)
• M24: 37,789,021 km (0.118 R)
• M25: 39,206,460 km (0.102 R)
• M26: 42,697,476 km (0.116 R)
• M27: 46,683,212 km (0.058 R)
• M28: 47,717,083 km (0.116 R)
• M29: 53,920,159 km (0.077 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: 443 - 19,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit