🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 613.6

Radius: 12.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.88 AU - 0.92 AU

Year: 579 Days

Day: 12.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,630,877 km

• M1: 159,172 km (0.109 R)
• M2: 566,228 km (0.098 R)
• M3: 1,003,802 km (0.105 R)
• M4: 1,430,455 km (0.077 R)
• M5: 1,922,183 km (0.065 R)
• M6: 2,388,629 km (0.05 R)
• M7: 3,148,886 km (0.073 R)
• M8: 3,953,423 km (0.098 R)
• M9: 5,085,131 km (0.101 R)
• M10: 5,952,499 km (0.119 R)
• M11: 6,675,805 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.1

Radius: 15

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.23 AU - 1.53 AU

Year: 1100 Days

Day: 9.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,630,877 km

• M1: 186,549 km (0.079 R)
• M2: 690,394 km (0.102 R)
• M3: 1,218,325 km (0.084 R)
• M4: 1,754,933 km (0.065 R)
• M5: 2,336,868 km (0.082 R)
• M6: 2,854,028 km (0.118 R)
• M7: 3,354,583 km (0.1 R)
• M8: 3,899,268 km (0.075 R)
• M9: 4,618,086 km (0.09 R)
• M10: 5,498,470 km (0.043 R)
• M11: 6,446,621 km (0.117 R)
• M12: 8,168,193 km (0.082 R)
• M13: 8,642,867 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.5

Radius: 13.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.25 AU - 1.89 AU

Year: 1334 Days

Day: 14.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,630,877 km

• M1: 164,707 km (0.043 R)
• M2: 578,046 km (0.032 R)
• M3: 1,007,392 km (0.12 R)
• M4: 1,627,924 km (0.107 R)
• M5: 2,043,507 km (0.116 R)
• M6: 2,760,081 km (0.101 R)
• M7: 3,490,268 km (0.095 R)
• M8: 3,997,554 km (0.091 R)
• M9: 4,466,544 km (0.089 R)
• M10: 7,075,381 km (0.065 R)
• M11: 7,689,181 km (0.107 R)
• M12: 8,126,605 km (0.068 R)
• M13: 9,279,406 km (0.116 R)
• M14: 10,321,056 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 8.3

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.48 AU - 5.5 AU

Year: 8725 Days

Day: 12.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,630,877 km

• M1: 103,223 km (0.108 R)
• M2: 390,450 km (0.092 R)
• M3: 792,270 km (0.053 R)
• M4: 1,396,197 km (0.09 R)
• M5: 2,437,548 km (0.107 R)
• M6: 3,241,187 km (0.102 R)
• M7: 3,608,151 km (0.112 R)
• M8: 4,508,431 km (0.068 R)
• M9: 7,462,989 km (0.06 R)
• M10: 8,610,105 km (0.051 R)
• M11: 8,914,388 km (0.111 R)
• M12: 9,870,767 km (0.091 R)
• M13: 10,496,086 km (0.074 R)
• M14: 11,096,422 km (0.097 R)
• M15: 12,365,760 km (0.085 R)
• M16: 13,206,650 km (0.108 R)
• M17: 14,325,791 km (0.054 R)
• M18: 15,064,506 km (0.117 R)
• M19: 16,751,820 km (0.091 R)
• M20: 17,022,143 km (0.084 R)
• M21: 17,364,274 km (0.051 R)
• M22: 17,641,179 km (0.062 R)
• M23: 18,346,384 km (0.102 R)
• M24: 19,513,546 km (0.055 R)
• M25: 22,729,452 km (0.109 R)
• M26: 24,160,655 km (0.092 R)
• M27: 24,592,843 km (0.08 R)
• M28: 30,892,259 km (0.099 R)
• M29: 31,401,491 km (0.118 R)
• M30: 33,601,327 km (0.093 R)
• M31: 34,684,117 km (0.111 R)
• M32: 35,901,993 km (0.03 R)
• M33: 36,691,571 km (0.115 R)
• M34: 38,188,746 km (0.107 R)
• M35: 39,486,956 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.3

Radius: 6.8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.17 AU - 8.17 AU

Year: 15839 Days

Day: 22.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,630,877 km

• M1: 85,720 km (0.089 R)
• M2: 610,210 km (0.102 R)
• M3: 1,005,298 km (0.076 R)
• M4: 1,532,481 km (0.111 R)
• M5: 2,285,855 km (0.027 R)
• M6: 2,578,469 km (0.068 R)
• M7: 6,339,958 km (0.109 R)
• M8: 6,959,891 km (0.032 R)
• M9: 7,534,796 km (0.077 R)
• M10: 9,949,904 km (0.064 R)
• M11: 10,467,213 km (0.082 R)
• M12: 11,668,335 km (0.097 R)
• M13: 12,478,856 km (0.079 R)
• M14: 14,147,171 km (0.046 R)
• M15: 15,819,676 km (0.082 R)
• M16: 21,281,045 km (0.103 R)
• M17: 22,930,810 km (0.058 R)
• M18: 25,134,387 km (0.116 R)
• M19: 26,092,861 km (0.12 R)
• M20: 29,851,358 km (0.096 R)
• M21: 34,187,452 km (0.103 R)
• M22: 37,300,434 km (0.053 R)
• M23: 37,671,287 km (0.117 R)
• M24: 38,294,961 km (0.093 R)
• M25: 41,121,164 km (0.027 R)
• M26: 42,854,853 km (0.097 R)
• M27: 45,194,714 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.5

Radius: 6

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.85 AU - 8.99 AU

Year: 16571 Days

Day: 24.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,630,877 km

• M1: 74,649 km (0.113 R)
• M2: 397,332 km (0.113 R)
• M3: 665,411 km (0.078 R)
• M4: 918,232 km (0.052 R)
• M5: 1,129,165 km (0.101 R)
• M6: 1,521,111 km (0.095 R)
• M7: 1,710,951 km (0.102 R)
• M8: 2,174,405 km (0.074 R)
• M9: 2,635,166 km (0.096 R)
• M10: 4,469,835 km (0.115 R)
• M11: 6,745,667 km (0.116 R)
• M12: 9,745,852 km (0.051 R)
• M13: 10,667,974 km (0.105 R)
• M14: 11,369,139 km (0.045 R)
• M15: 11,703,041 km (0.103 R)
• M16: 12,625,163 km (0.082 R)
• M17: 12,983,150 km (0.079 R)
• M18: 17,527,036 km (0.089 R)
• M19: 17,748,890 km (0.065 R)
• M20: 19,830,694 km (0.036 R)
• M21: 22,940,235 km (0.091 R)
• M22: 23,563,011 km (0.113 R)
• M23: 24,842,372 km (0.093 R)
• M24: 28,039,578 km (0.101 R)
• M25: 28,546,864 km (0.086 R)
• M26: 29,579,538 km (0.086 R)
• M27: 29,999,609 km (0.059 R)
• M28: 32,380,908 km (0.089 R)
• M29: 32,715,110 km (0.117 R)
• M30: 39,892,067 km (0.097 R)
• M31: 40,792,048 km (0.056 R)
• M32: 45,079,374 km (0.078 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: 259 - 12,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit