🌌 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: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.7

Radius: 10.2

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.8 AU - 1 AU

Year: 543 Days

Day: 8.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,930,139 km

• M1: 127,158 km (0.093 R)
• M2: 574,905 km (0.112 R)
• M3: 1,027,139 km (0.032 R)
• M4: 1,456,934 km (0.1 R)
• M5: 1,878,500 km (0.081 R)
• M6: 2,564,706 km (0.102 R)
• M7: 3,125,997 km (0.118 R)
• M8: 3,526,620 km (0.03 R)
• M9: 3,915,126 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.5

Radius: 9.6

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.45 AU - 1.59 AU

Year: 1192 Days

Day: 5.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,930,139 km

• M1: 119,379 km (0.116 R)
• M2: 744,549 km (0.097 R)
• M3: 1,301,651 km (0.112 R)
• M4: 1,714,242 km (0.11 R)
• M5: 2,056,971 km (0.045 R)
• M6: 2,609,884 km (0.079 R)
• M7: 3,120,911 km (0.041 R)
• M8: 4,044,229 km (0.12 R)
• M9: 4,412,539 km (0.099 R)
• M10: 5,101,587 km (0.099 R)
• M11: 6,624,792 km (0.119 R)
• M12: 6,925,035 km (0.065 R)
• M13: 7,404,646 km (0.094 R)
• M14: 8,565,226 km (0.078 R)
• M15: 10,022,309 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.3

Radius: 12.5

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.18 AU - 2.84 AU

Year: 2528 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,930,139 km

• M1: 156,031 km (0.082 R)
• M2: 859,889 km (0.072 R)
• M3: 1,387,670 km (0.098 R)
• M4: 2,181,137 km (0.104 R)
• M5: 3,137,965 km (0.096 R)
• M6: 3,886,702 km (0.118 R)
• M7: 4,751,079 km (0.076 R)
• M8: 5,536,617 km (0.079 R)
• M9: 6,324,250 km (0.106 R)
• M10: 7,007,015 km (0.073 R)
• M11: 9,497,520 km (0.071 R)
• M12: 10,942,187 km (0.08 R)
• M13: 11,927,289 km (0.094 R)
• M14: 12,572,355 km (0.095 R)
• M15: 15,640,308 km (0.085 R)
• M16: 16,996,712 km (0.07 R)
• M17: 18,430,158 km (0.071 R)
• M18: 18,886,881 km (0.105 R)
• M19: 19,409,875 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.4

Radius: 12.7

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.21 AU - 6.25 AU

Year: 7605 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,930,139 km

• M1: 169,494 km (0.109 R)
• M2: 754,123 km (0.052 R)
• M3: 1,739,225 km (0.082 R)
• M4: 2,502,623 km (0.082 R)
• M5: 3,814,746 km (0.077 R)
• M6: 6,106,286 km (0.056 R)
• M7: 10,927,825 km (0.066 R)
• M8: 13,559,252 km (0.086 R)
• M9: 18,622,093 km (0.095 R)
• M10: 21,612,853 km (0.111 R)
• M11: 23,862,207 km (0.115 R)
• M12: 28,143,249 km (0.086 R)
• M13: 31,025,850 km (0.063 R)
• M14: 32,485,477 km (0.045 R)
• M15: 33,664,158 km (0.101 R)
• M16: 39,504,160 km (0.063 R)
• M17: 41,967,738 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483

Radius: 4.9

Gravity: 20.12 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.2 AU - 8.08 AU

Year: 12131 Days

Day: 17.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,930,139 km

• M1: 60,886 km (0.058 R)
• M2: 294,857 km (0.097 R)
• M3: 563,086 km (0.116 R)
• M4: 818,151 km (0.107 R)
• M5: 1,004,251 km (0.039 R)
• M6: 2,068,490 km (0.119 R)
• M7: 2,229,158 km (0.119 R)
• M8: 4,105,564 km (0.118 R)
• M9: 4,274,460 km (0.074 R)
• M10: 5,222,312 km (0.042 R)
• M11: 5,658,689 km (0.077 R)
• M12: 6,265,608 km (0.082 R)
• M13: 8,036,697 km (0.053 R)
• M14: 9,274,619 km (0.051 R)
• M15: 10,065,244 km (0.109 R)
• M16: 10,477,087 km (0.054 R)
• M17: 11,667,437 km (0.118 R)
• M18: 11,950,028 km (0.108 R)
• M19: 13,187,202 km (0.112 R)
• M20: 13,868,171 km (0.08 R)
• M21: 15,844,060 km (0.105 R)
• M22: 20,589,005 km (0.108 R)
• M23: 23,237,336 km (0.075 R)
• M24: 24,596,882 km (0.085 R)
• M25: 29,406,154 km (0.093 R)
• M26: 36,823,965 km (0.119 R)
• M27: 38,294,362 km (0.081 R)
• M28: 40,315,130 km (0.094 R)
• M29: 46,377,434 km (0.041 R)
• M30: 48,380,550 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.9

Radius: 3

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.81 AU - 11.45 AU

Year: 22036 Days

Day: 21.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 96.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,930,139 km

• M1: 37,399 km (0.078 R)
• M2: 181,163 km (0.1 R)
• M3: 335,997 km (0.094 R)
• M4: 440,865 km (0.115 R)
• M5: 878,140 km (0.105 R)
• M6: 1,956,740 km (0.108 R)
• M7: 2,535,983 km (0.114 R)
• M8: 3,490,268 km (0.095 R)
• M9: 4,975,625 km (0.087 R)
• M10: 8,638,230 km (0.111 R)
• M11: 11,587,851 km (0.055 R)
• M12: 12,539,593 km (0.097 R)
• M13: 15,705,682 km (0.094 R)
• M14: 16,540,438 km (0.025 R)
• M15: 16,671,336 km (0.119 R)
• M16: 19,293,338 km (0.108 R)
• M17: 22,899,993 km (0.069 R)
• M18: 27,845,699 km (0.105 R)
• M19: 30,418,483 km (0.094 R)
• M20: 32,423,244 km (0.09 R)
• M21: 33,353,294 km (0.065 R)
• M22: 36,916,267 km (0.093 R)
• M23: 37,477,259 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 13,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit