🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.2

Radius: 11.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.66 AU - 0.98 AU

Year: 479 Days

Day: 8.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,603,963 km

• M1: 140,472 km (0.108 R)
• M2: 601,234 km (0.105 R)
• M3: 1,049,579 km (0.098 R)
• M4: 1,423,274 km (0.081 R)
• M5: 2,591,783 km (0.079 R)
• M6: 3,116,124 km (0.099 R)
• M7: 4,065,621 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.2

Radius: 11.2

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.16 AU - 1.48 AU

Year: 979 Days

Day: 11.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,603,963 km

• M1: 139,724 km (0.029 R)
• M2: 513,121 km (0.081 R)
• M3: 1,248,394 km (0.081 R)
• M4: 1,661,584 km (0.056 R)
• M5: 2,145,383 km (0.069 R)
• M6: 2,550,644 km (0.047 R)
• M7: 2,927,481 km (0.116 R)
• M8: 3,810,707 km (0.09 R)
• M9: 4,220,754 km (0.083 R)
• M10: 5,052,818 km (0.093 R)
• M11: 5,467,503 km (0.059 R)
• M12: 6,616,564 km (0.072 R)
• M13: 8,184,051 km (0.053 R)
• M14: 9,446,208 km (0.086 R)
• M15: 10,232,345 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.8

Radius: 9.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.07 AU - 1.67 AU

Year: 1035 Days

Day: 11.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,603,963 km

• M1: 121,922 km (0.055 R)
• M2: 456,872 km (0.053 R)
• M3: 967,749 km (0.067 R)
• M4: 1,524,253 km (0.029 R)
• M5: 2,008,800 km (0.065 R)
• M6: 2,899,207 km (0.064 R)
• M7: 3,324,214 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702

Radius: 15

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.36 AU - 1.8 AU

Year: 1282 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,603,963 km

• M1: 186,549 km (0.114 R)
• M2: 701,016 km (0.063 R)
• M3: 1,349,223 km (0.066 R)
• M4: 1,967,960 km (0.071 R)
• M5: 2,800,622 km (0.06 R)
• M6: 3,875,632 km (0.098 R)
• M7: 4,817,650 km (0.038 R)
• M8: 5,436,536 km (0.119 R)
• M9: 5,929,760 km (0.06 R)
• M10: 9,610,616 km (0.114 R)
• M11: 11,028,355 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 11.4

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.02 AU - 3.86 AU

Year: 4120 Days

Day: 6.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,603,963 km

• M1: 141,819 km (0.088 R)
• M2: 517,309 km (0.093 R)
• M3: 982,110 km (0.096 R)
• M4: 1,960,630 km (0.052 R)
• M5: 3,164,893 km (0.11 R)
• M6: 3,542,328 km (0.091 R)
• M7: 4,017,301 km (0.111 R)
• M8: 5,448,654 km (0.12 R)
• M9: 6,053,777 km (0.029 R)
• M10: 6,995,496 km (0.036 R)
• M11: 7,467,327 km (0.084 R)
• M12: 8,214,718 km (0.113 R)
• M13: 9,775,772 km (0.09 R)
• M14: 12,919,571 km (0.057 R)
• M15: 13,631,208 km (0.097 R)
• M16: 14,584,296 km (0.106 R)
• M17: 17,772,526 km (0.073 R)
• M18: 18,909,769 km (0.088 R)
• M19: 19,628,138 km (0.072 R)
• M20: 22,394,801 km (0.108 R)
• M21: 24,326,708 km (0.06 R)
• M22: 25,727,692 km (0.086 R)
• M23: 26,690,953 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 8.6

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.05 AU - 6.05 AU

Year: 8442 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,603,963 km

• M1: 110,702 km (0.115 R)
• M2: 516,561 km (0.085 R)
• M3: 822,190 km (0.042 R)
• M4: 1,131,409 km (0.056 R)
• M5: 1,757,925 km (0.089 R)
• M6: 2,096,614 km (0.051 R)
• M7: 2,668,976 km (0.093 R)
• M8: 3,099,219 km (0.105 R)
• M9: 3,981,248 km (0.106 R)
• M10: 4,966,649 km (0.109 R)
• M11: 6,013,086 km (0.072 R)
• M12: 6,425,079 km (0.046 R)
• M13: 10,931,565 km (0.053 R)
• M14: 11,497,793 km (0.118 R)
• M15: 12,182,951 km (0.109 R)
• M16: 18,545,798 km (0.098 R)
• M17: 18,878,653 km (0.12 R)
• M18: 19,351,382 km (0.038 R)
• M19: 20,179,855 km (0.096 R)
• M20: 21,466,846 km (0.105 R)
• M21: 21,907,711 km (0.118 R)
• M22: 23,810,147 km (0.102 R)
• M23: 24,362,013 km (0.069 R)
• M24: 25,327,817 km (0.053 R)
• M25: 30,266,492 km (0.094 R)
• M26: 30,914,101 km (0.102 R)
• M27: 31,382,193 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79

Radius: 3.4

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.01 AU - 7.97 AU

Year: 11932 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 90.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,603,963 km

• M1: 42,336 km (0.096 R)
• M2: 151,692 km (0.116 R)
• M3: 264,788 km (0.098 R)
• M4: 541,095 km (0.098 R)
• M5: 701,464 km (0.031 R)
• M6: 1,063,192 km (0.114 R)
• M7: 1,888,374 km (0.105 R)
• M8: 2,559,919 km (0.028 R)
• M9: 2,850,887 km (0.096 R)
• M10: 4,426,152 km (0.089 R)
• M11: 5,451,795 km (0.112 R)
• M12: 6,049,289 km (0.095 R)
• M13: 7,372,781 km (0.061 R)
• M14: 7,714,164 km (0.115 R)
• M15: 7,959,355 km (0.116 R)
• M16: 9,701,871 km (0.052 R)
• M17: 11,009,655 km (0.045 R)
• M18: 13,359,389 km (0.105 R)
• M19: 18,579,008 km (0.068 R)
• M20: 21,669,850 km (0.081 R)
• M21: 24,107,996 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.5

Radius: 7.1

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.66 AU - 9.84 AU

Year: 16712 Days

Day: 18.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,603,963 km

• M1: 94,247 km (0.105 R)
• M2: 523,892 km (0.054 R)
• M3: 756,666 km (0.112 R)
• M4: 1,358,199 km (0.043 R)
• M5: 1,581,848 km (0.092 R)
• M6: 2,028,996 km (0.113 R)
• M7: 2,950,369 km (0.105 R)
• M8: 4,186,347 km (0.105 R)
• M9: 6,574,976 km (0.083 R)
• M10: 9,264,746 km (0.105 R)
• M11: 10,247,155 km (0.119 R)
• M12: 12,611,101 km (0.038 R)
• M13: 14,949,315 km (0.03 R)
• M14: 15,389,881 km (0.052 R)
• M15: 16,529,518 km (0.109 R)
• M16: 16,921,464 km (0.094 R)
• M17: 17,724,206 km (0.076 R)
• M18: 17,969,995 km (0.066 R)
• M19: 21,746,294 km (0.107 R)
• M20: 23,769,456 km (0.055 R)
• M21: 25,600,833 km (0.087 R)
• M22: 35,790,543 km (0.073 R)
• M23: 38,326,974 km (0.095 R)
• M24: 39,848,983 km (0.115 R)
• M25: 45,877,179 km (0.117 R)
• M26: 50,325,920 km (0.084 R)
• M27: 50,654,288 km (0.074 R)
• M28: 54,016,799 km (0.059 R)
• M29: 54,706,595 km (0.106 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 12,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit