🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

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: 240.8

Radius: 13.3

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.4 AU - 0.62 AU

Year: 247 Days

Day: 14.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 29,298,046 km

• M1: 165,455 km (0.105 R)
• M2: 698,472 km (0.062 R)
• M3: 1,297,014 km (0.111 R)
• M4: 1,711,549 km (0.096 R)
• M5: 2,236,787 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.8

Radius: 11.3

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.67 AU - 0.74 AU

Year: 397 Days

Day: 10.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,298,046 km

• M1: 140,472 km (0.087 R)
• M2: 519,853 km (0.06 R)
• M3: 878,439 km (0.089 R)
• M4: 1,454,241 km (0.098 R)
• M5: 1,855,313 km (0.111 R)
• M6: 2,347,939 km (0.106 R)
• M7: 2,739,885 km (0.093 R)
• M8: 3,112,234 km (0.116 R)
• M9: 3,752,663 km (0.11 R)
• M10: 4,547,027 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291

Radius: 10.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.61 AU - 0.87 AU

Year: 432 Days

Day: 11.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,298,046 km

• M1: 133,142 km (0.105 R)
• M2: 588,219 km (0.039 R)
• M3: 925,562 km (0.111 R)
• M4: 1,282,054 km (0.095 R)
• M5: 1,911,711 km (0.033 R)
• M6: 2,548,549 km (0.071 R)
• M7: 3,515,550 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.7

Radius: 14.8

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.73 AU - 0.75 AU

Year: 432 Days

Day: 9.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,298,046 km

• M1: 184,155 km (0.113 R)
• M2: 657,483 km (0.109 R)
• M3: 1,648,718 km (0.1 R)
• M4: 2,189,664 km (0.104 R)
• M5: 2,716,847 km (0.113 R)
• M6: 3,721,546 km (0.119 R)
• M7: 4,259,201 km (0.099 R)
• M8: 4,765,291 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 14.4

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.76 AU - 1.08 AU

Year: 599 Days

Day: 5 Hours

Environment

Temp: -180 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,298,046 km

• M1: 179,069 km (0.034 R)
• M2: 672,592 km (0.115 R)
• M3: 1,133,802 km (0.076 R)
• M4: 1,603,091 km (0.112 R)
• M5: 2,257,881 km (0.092 R)
• M6: 3,623,859 km (0.078 R)
• M7: 4,222,101 km (0.076 R)
• M8: 5,243,405 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.8

Radius: 12.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.16 AU - 5.3 AU

Year: 8112 Days

Day: 9.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,298,046 km

• M1: 157,527 km (0.029 R)
• M2: 879,635 km (0.071 R)
• M3: 1,469,201 km (0.038 R)
• M4: 2,011,942 km (0.103 R)
• M5: 3,484,583 km (0.066 R)
• M6: 3,875,782 km (0.039 R)
• M7: 5,137,939 km (0.059 R)
• M8: 6,331,879 km (0.11 R)
• M9: 6,843,355 km (0.114 R)
• M10: 7,501,286 km (0.119 R)
• M11: 7,907,743 km (0.042 R)
• M12: 9,216,725 km (0.056 R)
• M13: 12,149,441 km (0.049 R)
• M14: 13,173,738 km (0.102 R)
• M15: 13,948,655 km (0.091 R)
• M16: 16,321,277 km (0.108 R)
• M17: 16,729,979 km (0.073 R)
• M18: 18,876,858 km (0.063 R)
• M19: 19,861,960 km (0.104 R)
• M20: 20,960,906 km (0.092 R)
• M21: 23,279,822 km (0.11 R)
• M22: 25,218,162 km (0.085 R)
• M23: 25,673,239 km (0.106 R)
• M24: 27,166,525 km (0.106 R)
• M25: 33,722,352 km (0.094 R)
• M26: 36,546,311 km (0.109 R)
• M27: 38,314,558 km (0.085 R)
• M28: 40,884,799 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.6

Radius: 3.3

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.4 AU - 6.94 AU

Year: 11684 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,298,046 km

• M1: 41,588 km (0.034 R)
• M2: 299,794 km (0.107 R)
• M3: 433,086 km (0.068 R)
• M4: 1,069,924 km (0.102 R)
• M5: 4,354,794 km (0.09 R)
• M6: 4,876,143 km (0.117 R)
• M7: 7,706,684 km (0.056 R)
• M8: 8,663,811 km (0.06 R)
• M9: 10,133,161 km (0.111 R)
• M10: 12,305,921 km (0.072 R)
• M11: 12,661,665 km (0.066 R)
• M12: 13,769,886 km (0.071 R)
• M13: 20,433,274 km (0.092 R)
• M14: 22,930,661 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.3

Radius: 4.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.78 AU - 10.78 AU

Year: 22355 Days

Day: 22.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 129.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,298,046 km

• M1: 121,324 km (0.084 R)
• M2: 1,415,495 km (0.064 R)
• M3: 1,681,330 km (0.115 R)
• M4: 3,146,043 km (0.105 R)
• M5: 3,999,499 km (0.086 R)
• M6: 7,899,067 km (0.072 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: 240 - 13,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit