🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.76 AU - 0.92 AU

Year: 331 Days

Day: 34.6 Hours

Environment

Temp: -27 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.95 AU - 1.55 AU

Year: 602 Days

Day: 26.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.2

Radius: 12.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.81 AU - 4.75 AU

Year: 3811 Days

Day: 10.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,435,434 km

• M1: 156,629 km (0.104 R)
• M2: 637,287 km (0.085 R)
• M3: 1,082,789 km (0.107 R)
• M4: 2,437,398 km (0.113 R)
• M5: 2,928,229 km (0.077 R)
• M6: 3,830,753 km (0.112 R)
• M7: 4,451,883 km (0.049 R)
• M8: 4,935,832 km (0.108 R)
• M9: 6,757,186 km (0.093 R)
• M10: 7,299,927 km (0.072 R)
• M11: 7,975,511 km (0.099 R)
• M12: 9,412,698 km (0.119 R)
• M13: 11,544,468 km (0.03 R)
• M14: 13,280,401 km (0.049 R)
• M15: 14,810,937 km (0.078 R)
• M16: 15,400,502 km (0.101 R)
• M17: 16,173,624 km (0.115 R)
• M18: 17,030,521 km (0.067 R)
• M19: 19,336,722 km (0.111 R)
• M20: 19,847,598 km (0.108 R)
• M21: 21,981,762 km (0.102 R)
• M22: 24,044,417 km (0.094 R)
• M23: 25,387,806 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.3

Radius: 9.8

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.37 AU - 7.89 AU

Year: 9072 Days

Day: 6.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,435,434 km

• M1: 123,717 km (0.111 R)
• M2: 489,634 km (0.101 R)
• M3: 798,703 km (0.037 R)
• M4: 1,488,648 km (0.12 R)
• M5: 1,794,426 km (0.105 R)
• M6: 3,020,531 km (0.073 R)
• M7: 3,662,605 km (0.116 R)
• M8: 4,016,404 km (0.073 R)
• M9: 4,476,866 km (0.091 R)
• M10: 5,471,393 km (0.116 R)
• M11: 10,394,808 km (0.078 R)
• M12: 12,687,844 km (0.093 R)
• M13: 15,299,075 km (0.099 R)
• M14: 18,614,912 km (0.115 R)
• M15: 19,513,247 km (0.115 R)
• M16: 20,755,508 km (0.074 R)
• M17: 21,477,168 km (0.027 R)
• M18: 22,885,632 km (0.087 R)
• M19: 24,003,577 km (0.055 R)
• M20: 24,443,095 km (0.099 R)
• M21: 25,428,945 km (0.11 R)
• M22: 25,793,964 km (0.082 R)
• M23: 27,864,399 km (0.046 R)
• M24: 29,739,608 km (0.056 R)
• M25: 31,382,791 km (0.08 R)
• M26: 33,302,730 km (0.1 R)
• M27: 34,625,325 km (0.11 R)
• M28: 37,023,827 km (0.105 R)
• M29: 40,143,990 km (0.05 R)
• M30: 40,639,159 km (0.084 R)
• M31: 43,305,592 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 14,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit