🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.85 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.9

Radius: 8.4

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.83 AU - 4.55 AU

Year: 4650 Days

Day: 5.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 16,322,956 km

• M1: 105,766 km (0.11 R)
• M2: 390,301 km (0.071 R)
• M3: 748,289 km (0.118 R)
• M4: 1,027,588 km (0.077 R)
• M5: 2,391,322 km (0.071 R)
• M6: 2,841,761 km (0.088 R)
• M7: 3,487,575 km (0.115 R)
• M8: 4,454,576 km (0.082 R)
• M9: 5,068,974 km (0.12 R)
• M10: 5,813,672 km (0.075 R)
• M11: 6,601,904 km (0.068 R)
• M12: 7,050,398 km (0.12 R)
• M13: 7,459,548 km (0.101 R)
• M14: 8,421,762 km (0.098 R)
• M15: 9,119,187 km (0.086 R)
• M16: 9,569,776 km (0.11 R)
• M17: 10,218,283 km (0.073 R)
• M18: 11,127,987 km (0.098 R)
• M19: 12,465,691 km (0.077 R)
• M20: 12,891,297 km (0.096 R)
• M21: 13,637,342 km (0.115 R)
• M22: 16,048,112 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.3

Radius: 13.3

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.9 AU - 4.26 AU

Year: 5406 Days

Day: 13.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 16,322,956 km

• M1: 165,455 km (0.05 R)
• M2: 691,890 km (0.114 R)
• M3: 1,106,276 km (0.103 R)
• M4: 1,718,431 km (0.117 R)
• M5: 2,342,104 km (0.07 R)
• M6: 3,221,291 km (0.062 R)
• M7: 3,881,018 km (0.067 R)
• M8: 4,843,231 km (0.082 R)
• M9: 5,393,901 km (0.109 R)
• M10: 5,847,930 km (0.06 R)
• M11: 6,269,796 km (0.102 R)
• M12: 7,560,676 km (0.036 R)
• M13: 8,131,093 km (0.088 R)
• M14: 10,540,516 km (0.084 R)
• M15: 15,898,663 km (0.1 R)
• M16: 17,233,824 km (0.107 R)
• M17: 18,164,622 km (0.086 R)
• M18: 19,251,451 km (0.066 R)
• M19: 22,023,200 km (0.119 R)
• M20: 22,980,327 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.1

Radius: 11.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.39 AU - 5.25 AU

Year: 6942 Days

Day: 12.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 16,322,956 km

• M1: 138,378 km (0.07 R)
• M2: 576,550 km (0.105 R)
• M3: 1,091,915 km (0.085 R)
• M4: 1,984,416 km (0.033 R)
• M5: 3,770,315 km (0.106 R)
• M6: 4,436,026 km (0.105 R)
• M7: 4,797,305 km (0.114 R)
• M8: 5,204,510 km (0.065 R)
• M9: 5,579,701 km (0.063 R)
• M10: 5,972,845 km (0.031 R)
• M11: 8,735,618 km (0.079 R)
• M12: 9,344,930 km (0.099 R)
• M13: 10,270,343 km (0.056 R)
• M14: 11,255,744 km (0.086 R)
• M15: 12,397,176 km (0.081 R)
• M16: 13,167,156 km (0.096 R)
• M17: 15,177,602 km (0.107 R)
• M18: 15,724,382 km (0.059 R)
• M19: 18,596,212 km (0.097 R)
• M20: 20,123,008 km (0.082 R)
• M21: 20,783,333 km (0.119 R)
• M22: 22,216,780 km (0.053 R)
• M23: 22,850,925 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.6

Radius: 14.9

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.1 AU - 6.22 AU

Year: 7689 Days

Day: 14.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 16,322,956 km

• M1: 185,801 km (0.029 R)
• M2: 709,393 km (0.045 R)
• M3: 1,390,213 km (0.097 R)
• M4: 1,918,443 km (0.085 R)
• M5: 2,950,369 km (0.074 R)
• M6: 3,865,609 km (0.114 R)
• M7: 5,019,009 km (0.097 R)
• M8: 6,796,680 km (0.081 R)
• M9: 8,040,287 km (0.094 R)
• M10: 9,174,239 km (0.065 R)
• M11: 12,475,266 km (0.111 R)
• M12: 14,915,656 km (0.059 R)
• M13: 18,058,109 km (0.083 R)
• M14: 18,530,688 km (0.086 R)
• M15: 24,046,811 km (0.058 R)
• M16: 28,068,300 km (0.112 R)
• M17: 28,703,493 km (0.102 R)
• M18: 29,534,060 km (0.065 R)
• M19: 33,522,190 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 9.2

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.56 AU - 6.02 AU

Year: 9140 Days

Day: 7.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 16,322,956 km

• M1: 114,742 km (0.114 R)
• M2: 525,388 km (0.08 R)
• M3: 870,809 km (0.105 R)
• M4: 1,501,514 km (0.114 R)
• M5: 2,243,818 km (0.05 R)
• M6: 2,546,754 km (0.094 R)
• M7: 3,120,612 km (0.116 R)
• M8: 3,499,992 km (0.066 R)
• M9: 3,856,932 km (0.102 R)
• M10: 5,879,944 km (0.09 R)
• M11: 6,498,382 km (0.102 R)
• M12: 7,610,941 km (0.11 R)
• M13: 8,168,642 km (0.086 R)
• M14: 8,985,596 km (0.096 R)
• M15: 10,415,004 km (0.106 R)
• M16: 11,375,123 km (0.054 R)
• M17: 11,876,725 km (0.119 R)
• M18: 15,135,565 km (0.101 R)
• M19: 18,410,262 km (0.053 R)
• M20: 20,619,374 km (0.094 R)
• M21: 21,872,705 km (0.067 R)
• M22: 22,474,687 km (0.049 R)
• M23: 24,530,610 km (0.113 R)
• M24: 25,556,851 km (0.113 R)
• M25: 27,002,116 km (0.061 R)
• M26: 28,196,955 km (0.113 R)
• M27: 30,691,798 km (0.12 R)
• M28: 31,664,185 km (0.1 R)
• M29: 32,768,516 km (0.046 R)
• M30: 34,012,721 km (0.109 R)
• M31: 34,588,524 km (0.105 R)
• M32: 42,811,171 km (0.056 R)
• M33: 46,238,159 km (0.06 R)
• M34: 46,802,891 km (0.052 R)
• M35: 48,379,802 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 13.4

Radius: 3.9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.91 AU - 8.63 AU

Year: 14208 Days

Day: 15.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,322,956 km

• M1: 78,838 km (0.112 R)
• M2: 496,815 km (0.077 R)
• M3: 682,465 km (0.052 R)
• M4: 893,099 km (0.1 R)
• M5: 1,369,718 km (0.108 R)
• M6: 2,022,414 km (0.034 R)
• M7: 3,015,145 km (0.12 R)
• M8: 3,207,378 km (0.097 R)
• M9: 4,021,789 km (0.047 R)
• M10: 4,517,856 km (0.045 R)
• M11: 5,582,993 km (0.119 R)
• M12: 7,420,653 km (0.077 R)
• M13: 8,538,298 km (0.112 R)
• M14: 9,087,472 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 15,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit