🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.2

Radius: 14.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.73 AU - 1.05 AU

Year: 534 Days

Day: 14.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,864,349 km

• M1: 180,415 km (0.107 R)
• M2: 641,176 km (0.063 R)
• M3: 1,547,291 km (0.116 R)
• M4: 2,180,688 km (0.065 R)
• M5: 3,223,834 km (0.108 R)
• M6: 4,673,138 km (0.066 R)
• M7: 5,607,527 km (0.089 R)
• M8: 7,293,046 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.5

Radius: 9.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.95 AU - 2.15 AU

Year: 1866 Days

Day: 13.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,864,349 km

• M1: 123,119 km (0.112 R)
• M2: 467,793 km (0.031 R)
• M3: 1,059,602 km (0.037 R)
• M4: 1,404,126 km (0.049 R)
• M5: 2,070,435 km (0.075 R)
• M6: 2,826,652 km (0.083 R)
• M7: 3,806,219 km (0.12 R)
• M8: 4,464,898 km (0.105 R)
• M9: 4,802,690 km (0.105 R)
• M10: 5,445,362 km (0.11 R)
• M11: 6,328,289 km (0.106 R)
• M12: 7,406,740 km (0.079 R)
• M13: 8,071,703 km (0.114 R)
• M14: 8,660,520 km (0.092 R)
• M15: 9,307,980 km (0.107 R)
• M16: 11,653,973 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.1

Radius: 11.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.95 AU - 2.29 AU

Year: 1963 Days

Day: 7.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,864,349 km

• M1: 138,079 km (0.085 R)
• M2: 514,916 km (0.113 R)
• M3: 1,166,714 km (0.063 R)
• M4: 1,562,699 km (0.108 R)
• M5: 3,110,289 km (0.045 R)
• M6: 6,257,081 km (0.104 R)
• M7: 7,234,403 km (0.072 R)
• M8: 8,142,612 km (0.095 R)
• M9: 8,740,704 km (0.063 R)
• M10: 9,245,896 km (0.111 R)
• M11: 9,833,666 km (0.105 R)
• M12: 10,981,680 km (0.105 R)
• M13: 11,962,594 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.1

Radius: 11.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.05 AU - 3.31 AU

Year: 2790 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,864,349 km

• M1: 140,921 km (0.115 R)
• M2: 538,403 km (0.111 R)
• M3: 933,341 km (0.046 R)
• M4: 1,773,782 km (0.042 R)
• M5: 2,283,911 km (0.114 R)
• M6: 3,062,119 km (0.093 R)
• M7: 3,932,629 km (0.041 R)
• M8: 4,467,292 km (0.055 R)
• M9: 4,872,253 km (0.078 R)
• M10: 6,056,919 km (0.096 R)
• M11: 7,482,885 km (0.067 R)
• M12: 8,118,228 km (0.1 R)
• M13: 9,188,750 km (0.084 R)
• M14: 9,775,922 km (0.115 R)
• M15: 10,572,530 km (0.111 R)
• M16: 12,172,330 km (0.11 R)
• M17: 12,796,153 km (0.118 R)
• M18: 13,793,821 km (0.117 R)
• M19: 16,439,310 km (0.045 R)
• M20: 17,305,182 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362

Radius: 7.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.48 AU - 7.04 AU

Year: 9959 Days

Day: 18.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 14,864,349 km

• M1: 95,892 km (0.118 R)
• M2: 506,239 km (0.084 R)
• M3: 854,503 km (0.106 R)
• M4: 2,972,360 km (0.081 R)
• M5: 3,334,985 km (0.077 R)
• M6: 4,123,815 km (0.103 R)
• M7: 5,453,890 km (0.084 R)
• M8: 6,439,740 km (0.041 R)
• M9: 6,793,539 km (0.078 R)
• M10: 8,381,071 km (0.069 R)
• M11: 8,674,881 km (0.047 R)
• M12: 9,194,734 km (0.115 R)
• M13: 10,633,716 km (0.064 R)
• M14: 11,128,436 km (0.041 R)
• M15: 12,217,209 km (0.117 R)
• M16: 16,294,050 km (0.095 R)
• M17: 17,970,893 km (0.096 R)
• M18: 20,356,081 km (0.102 R)
• M19: 26,009,983 km (0.082 R)
• M20: 28,575,138 km (0.056 R)
• M21: 29,146,004 km (0.103 R)
• M22: 37,049,259 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16

Radius: 5.5

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.16 AU - 8.46 AU

Year: 11299 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,864,349 km

• M1: 69,563 km (0.111 R)
• M2: 403,765 km (0.091 R)
• M3: 576,251 km (0.113 R)
• M4: 867,518 km (0.068 R)
• M5: 1,286,242 km (0.088 R)
• M6: 2,779,828 km (0.104 R)
• M7: 4,886,914 km (0.115 R)
• M8: 5,187,007 km (0.059 R)
• M9: 6,161,787 km (0.114 R)
• M10: 11,071,738 km (0.093 R)
• M11: 11,702,892 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 19,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit