🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.5

Radius: 12.3

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.48 AU - 0.54 AU

Year: 251 Days

Day: 13.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,854,483 km

• M1: 153,188 km (0.075 R)
• M2: 544,686 km (0.105 R)
• M3: 1,018,163 km (0.087 R)
• M4: 1,422,975 km (0.117 R)
• M5: 1,811,780 km (0.087 R)
• M6: 2,629,033 km (0.066 R)
• M7: 3,062,867 km (0.038 R)
• M8: 3,500,740 km (0.072 R)
• M9: 4,101,076 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.3

Radius: 11.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.5 AU - 0.7 AU

Year: 321 Days

Day: 11.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,854,483 km

• M1: 143,016 km (0.082 R)
• M2: 506,838 km (0.109 R)
• M3: 893,548 km (0.089 R)
• M4: 1,277,416 km (0.083 R)
• M5: 1,638,545 km (0.103 R)
• M6: 2,091,378 km (0.039 R)
• M7: 2,497,985 km (0.104 R)
• M8: 3,005,571 km (0.098 R)
• M9: 3,625,056 km (0.115 R)
• M10: 3,989,326 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.3

Radius: 9.1

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.59 AU - 0.81 AU

Year: 404 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,854,483 km

• M1: 113,246 km (0.082 R)
• M2: 541,544 km (0.116 R)
• M3: 872,904 km (0.064 R)
• M4: 1,161,927 km (0.084 R)
• M5: 1,981,274 km (0.117 R)
• M6: 2,357,214 km (0.108 R)
• M7: 2,691,864 km (0.117 R)
• M8: 3,332,143 km (0.115 R)
• M9: 4,070,558 km (0.115 R)
• M10: 4,597,292 km (0.034 R)
• M11: 4,884,670 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.2

Radius: 8.8

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.89 AU - 0.95 AU

Year: 609 Days

Day: 5.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,854,483 km

• M1: 109,506 km (0.08 R)
• M2: 396,285 km (0.104 R)
• M3: 843,134 km (0.083 R)
• M4: 1,243,906 km (0.073 R)
• M5: 1,538,614 km (0.099 R)
• M6: 1,854,266 km (0.091 R)
• M7: 2,272,392 km (0.084 R)
• M8: 2,764,120 km (0.074 R)
• M9: 3,171,924 km (0.11 R)
• M10: 3,591,994 km (0.062 R)
• M11: 3,916,472 km (0.104 R)
• M12: 4,432,136 km (0.073 R)
• M13: 4,924,164 km (0.1 R)
• M14: 5,882,188 km (0.054 R)
• M15: 6,294,330 km (0.063 R)
• M16: 7,110,985 km (0.084 R)
• M17: 7,902,508 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.9

Radius: 9.6

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.95 AU - 1.41 AU

Year: 885 Days

Day: 11.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,854,483 km

• M1: 119,379 km (0.035 R)
• M2: 511,774 km (0.091 R)
• M3: 836,850 km (0.099 R)
• M4: 1,241,214 km (0.065 R)
• M5: 1,584,092 km (0.103 R)
• M6: 2,558,273 km (0.086 R)
• M7: 3,122,108 km (0.031 R)
• M8: 5,397,342 km (0.118 R)
• M9: 5,983,915 km (0.118 R)
• M10: 6,501,224 km (0.1 R)
• M11: 7,526,718 km (0.088 R)
• M12: 7,899,815 km (0.089 R)
• M13: 8,496,112 km (0.046 R)
• M14: 9,094,204 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.8

Radius: 11

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.95 AU - 1.47 AU

Year: 919 Days

Day: 14.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,854,483 km

• M1: 136,732 km (0.118 R)
• M2: 482,902 km (0.108 R)
• M3: 891,903 km (0.099 R)
• M4: 1,444,667 km (0.104 R)
• M5: 2,248,456 km (0.086 R)
• M6: 2,626,191 km (0.034 R)
• M7: 3,412,028 km (0.117 R)
• M8: 4,778,006 km (0.045 R)
• M9: 5,906,573 km (0.118 R)
• M10: 6,522,766 km (0.097 R)
• M11: 6,972,308 km (0.091 R)
• M12: 7,933,773 km (0.06 R)
• M13: 8,657,827 km (0.093 R)
• M14: 9,453,688 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 12.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.04 AU - 3.06 AU

Year: 3677 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,854,483 km

• M1: 159,172 km (0.1 R)
• M2: 775,665 km (0.088 R)
• M3: 1,486,554 km (0.046 R)
• M4: 2,040,365 km (0.051 R)
• M5: 3,170,428 km (0.111 R)
• M6: 3,874,585 km (0.076 R)
• M7: 5,691,601 km (0.081 R)
• M8: 11,229,115 km (0.059 R)
• M9: 12,575,047 km (0.114 R)
• M10: 13,805,939 km (0.104 R)
• M11: 14,293,329 km (0.045 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 18,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit