🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 12

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.66 AU - 0.7 AU

Year: 357 Days

Day: 6.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,146,802 km

• M1: 151,094 km (0.065 R)
• M2: 604,375 km (0.113 R)
• M3: 1,031,328 km (0.093 R)
• M4: 1,698,684 km (0.096 R)
• M5: 2,339,711 km (0.1 R)
• M6: 2,875,271 km (0.118 R)
• M7: 3,850,051 km (0.083 R)
• M8: 4,271,318 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755

Radius: 13.6

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.8 AU - 0.88 AU

Year: 489 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,146,802 km

• M1: 169,195 km (0.083 R)
• M2: 704,307 km (0.087 R)
• M3: 1,135,747 km (0.093 R)
• M4: 2,208,214 km (0.079 R)
• M5: 2,936,756 km (0.066 R)
• M6: 4,050,811 km (0.041 R)
• M7: 4,674,784 km (0.083 R)
• M8: 5,429,655 km (0.083 R)
• M9: 6,490,902 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 9.2

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.79 AU - 1.19 AU

Year: 626 Days

Day: 13.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,146,802 km

• M1: 114,442 km (0.08 R)
• M2: 521,349 km (0.066 R)
• M3: 941,419 km (0.119 R)
• M4: 1,237,324 km (0.076 R)
• M5: 1,725,911 km (0.064 R)
• M6: 2,150,320 km (0.059 R)
• M7: 2,696,502 km (0.111 R)
• M8: 3,055,237 km (0.115 R)
• M9: 3,382,707 km (0.075 R)
• M10: 4,079,983 km (0.108 R)
• M11: 4,417,625 km (0.093 R)
• M12: 5,526,744 km (0.085 R)
• M13: 5,849,277 km (0.105 R)
• M14: 6,395,309 km (0.056 R)
• M15: 6,751,202 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.6

Radius: 13.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.15 AU - 1.89 AU

Year: 1192 Days

Day: 10.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,146,802 km

• M1: 165,455 km (0.092 R)
• M2: 874,549 km (0.06 R)
• M3: 1,317,060 km (0.1 R)
• M4: 2,211,805 km (0.069 R)
• M5: 3,152,775 km (0.112 R)
• M6: 4,204,598 km (0.071 R)
• M7: 4,753,323 km (0.05 R)
• M8: 6,337,265 km (0.12 R)
• M9: 7,397,465 km (0.054 R)
• M10: 8,323,326 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843

Radius: 8.2

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.28 AU - 2 AU

Year: 1335 Days

Day: 13.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,146,802 km

• M1: 102,175 km (0.117 R)
• M2: 366,964 km (0.056 R)
• M3: 630,106 km (0.083 R)
• M4: 967,150 km (0.092 R)
• M5: 1,707,510 km (0.1 R)
• M6: 2,366,489 km (0.119 R)
• M7: 2,700,391 km (0.094 R)
• M8: 3,124,800 km (0.1 R)
• M9: 4,071,755 km (0.056 R)
• M10: 4,401,319 km (0.111 R)
• M11: 4,689,594 km (0.038 R)
• M12: 6,111,223 km (0.08 R)
• M13: 6,593,676 km (0.109 R)
• M14: 7,075,231 km (0.098 R)
• M15: 7,471,815 km (0.113 R)
• M16: 7,827,559 km (0.037 R)
• M17: 8,425,950 km (0.09 R)
• M18: 8,781,395 km (0.099 R)
• M19: 10,204,220 km (0.11 R)
• M20: 10,779,723 km (0.117 R)
• M21: 11,198,897 km (0.102 R)
• M22: 12,752,022 km (0.12 R)
• M23: 13,063,484 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.6

Radius: 7.6

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.15 AU - 6.29 AU

Year: 9863 Days

Day: 19.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,146,802 km

• M1: 171,439 km (0.077 R)
• M2: 641,924 km (0.073 R)
• M3: 929,302 km (0.036 R)
• M4: 1,183,618 km (0.076 R)
• M5: 2,244,267 km (0.112 R)
• M6: 3,995,460 km (0.042 R)
• M7: 4,328,914 km (0.115 R)
• M8: 4,957,225 km (0.112 R)
• M9: 5,276,915 km (0.06 R)
• M10: 6,246,309 km (0.102 R)
• M11: 8,488,183 km (0.059 R)
• M12: 12,691,135 km (0.099 R)
• M13: 14,353,616 km (0.112 R)
• M14: 22,032,026 km (0.088 R)
• M15: 27,273,337 km (0.102 R)
• M16: 32,065,556 km (0.084 R)
• M17: 35,711,704 km (0.103 R)
• M18: 39,498,625 km (0.067 R)
• M19: 40,133,518 km (0.061 R)
• M20: 43,275,822 km (0.078 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 11,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit