🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 8.4

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.5 AU - 0.68 AU

Year: 319 Days

Day: 10.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,247,156 km

• M1: 104,719 km (0.071 R)
• M2: 426,055 km (0.085 R)
• M3: 713,582 km (0.102 R)
• M4: 981,362 km (0.096 R)
• M5: 1,352,365 km (0.05 R)
• M6: 1,808,339 km (0.099 R)
• M7: 2,849,091 km (0.096 R)
• M8: 3,141,854 km (0.087 R)
• M9: 4,507,234 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.2

Radius: 9.8

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.62 AU - 0.68 AU

Year: 368 Days

Day: 12.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,247,156 km

• M1: 122,221 km (0.09 R)
• M2: 438,771 km (0.113 R)
• M3: 859,739 km (0.109 R)
• M4: 1,180,327 km (0.074 R)
• M5: 1,568,384 km (0.089 R)
• M6: 2,091,827 km (0.11 R)
• M7: 2,442,484 km (0.113 R)
• M8: 2,832,336 km (0.101 R)
• M9: 3,612,340 km (0.099 R)
• M10: 3,933,078 km (0.05 R)
• M11: 4,558,546 km (0.065 R)
• M12: 5,249,090 km (0.07 R)
• M13: 5,919,887 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 9.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.8 AU - 1 AU

Year: 600 Days

Day: 13.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 86.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,247,156 km

• M1: 114,442 km (0.025 R)
• M2: 437,723 km (0.089 R)
• M3: 1,098,796 km (0.067 R)
• M4: 1,539,063 km (0.058 R)
• M5: 2,007,603 km (0.073 R)
• M6: 2,353,474 km (0.075 R)
• M7: 2,719,988 km (0.12 R)
• M8: 3,177,608 km (0.039 R)
• M9: 3,476,355 km (0.103 R)
• M10: 3,769,717 km (0.074 R)
• M11: 4,156,577 km (0.1 R)
• M12: 4,865,072 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.6

Radius: 9.2

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.14 AU - 1.5 AU

Year: 1066 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,247,156 km

• M1: 118,781 km (0.103 R)
• M2: 445,802 km (0.112 R)
• M3: 1,058,704 km (0.097 R)
• M4: 1,410,708 km (0.119 R)
• M5: 1,890,468 km (0.058 R)
• M6: 2,241,874 km (0.097 R)
• M7: 2,778,631 km (0.101 R)
• M8: 3,120,312 km (0.112 R)
• M9: 3,646,149 km (0.119 R)
• M10: 4,142,814 km (0.085 R)
• M11: 4,535,359 km (0.1 R)
• M12: 5,583,741 km (0.041 R)
• M13: 5,974,191 km (0.085 R)
• M14: 6,981,433 km (0.043 R)
• M15: 7,486,775 km (0.104 R)
• M16: 7,828,157 km (0.118 R)
• M17: 8,886,263 km (0.073 R)
• M18: 11,080,714 km (0.075 R)
• M19: 11,455,607 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.2

Radius: 9.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.33 AU - 1.91 AU

Year: 1449 Days

Day: 6.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 144.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,247,156 km

• M1: 120,875 km (0.078 R)
• M2: 782,696 km (0.081 R)
• M3: 1,348,475 km (0.068 R)
• M4: 1,787,096 km (0.088 R)
• M5: 2,776,088 km (0.055 R)
• M6: 3,291,901 km (0.078 R)
• M7: 3,610,395 km (0.043 R)
• M8: 4,446,348 km (0.072 R)
• M9: 5,934,996 km (0.098 R)
• M10: 6,633,020 km (0.112 R)
• M11: 6,955,254 km (0.071 R)
• M12: 8,062,428 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.5

Radius: 11.5

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.41 AU - 1.83 AU

Year: 1449 Days

Day: 7.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,247,156 km

• M1: 143,614 km (0.111 R)
• M2: 1,056,311 km (0.108 R)
• M3: 1,491,640 km (0.093 R)
• M4: 2,066,994 km (0.107 R)
• M5: 2,502,922 km (0.036 R)
• M6: 2,898,010 km (0.032 R)
• M7: 3,419,209 km (0.094 R)
• M8: 3,955,218 km (0.1 R)
• M9: 4,598,489 km (0.096 R)
• M10: 5,824,743 km (0.065 R)
• M11: 7,497,396 km (0.073 R)
• M12: 9,328,325 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.6

Radius: 9.5

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.41 AU - 2.09 AU

Year: 1627 Days

Day: 5.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,247,156 km

• M1: 118,332 km (0.119 R)
• M2: 427,551 km (0.1 R)
• M3: 738,864 km (0.084 R)
• M4: 1,049,878 km (0.108 R)
• M5: 1,873,863 km (0.065 R)
• M6: 2,188,617 km (0.118 R)
• M7: 2,621,553 km (0.106 R)
• M8: 3,336,631 km (0.117 R)
• M9: 3,660,510 km (0.102 R)
• M10: 4,372,147 km (0.105 R)
• M11: 5,330,771 km (0.088 R)
• M12: 5,847,781 km (0.063 R)
• M13: 6,765,564 km (0.034 R)
• M14: 9,646,669 km (0.092 R)
• M15: 10,999,183 km (0.031 R)
• M16: 11,489,715 km (0.087 R)
• M17: 12,595,842 km (0.112 R)
• M18: 13,258,859 km (0.1 R)
• M19: 13,556,260 km (0.048 R)
• M20: 15,481,734 km (0.119 R)
• M21: 16,002,335 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.1

Radius: 6

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.51 AU - 7.09 AU

Year: 11115 Days

Day: 19 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,247,156 km

• M1: 74,649 km (0.062 R)
• M2: 278,102 km (0.112 R)
• M3: 485,445 km (0.085 R)
• M4: 835,654 km (0.103 R)
• M5: 1,673,103 km (0.102 R)
• M6: 2,267,305 km (0.088 R)
• M7: 3,173,569 km (0.082 R)
• M8: 3,943,101 km (0.061 R)
• M9: 4,132,940 km (0.116 R)
• M10: 4,739,261 km (0.12 R)
• M11: 5,569,978 km (0.092 R)
• M12: 6,382,444 km (0.099 R)
• M13: 8,962,708 km (0.096 R)
• M14: 9,339,545 km (0.069 R)
• M15: 10,276,925 km (0.084 R)
• M16: 12,222,296 km (0.042 R)
• M17: 14,336,712 km (0.084 R)
• M18: 15,246,716 km (0.109 R)
• M19: 16,263,981 km (0.112 R)
• M20: 17,470,488 km (0.051 R)
• M21: 22,635,654 km (0.116 R)
• M22: 23,778,133 km (0.104 R)
• M23: 27,930,222 km (0.057 R)
• M24: 30,072,014 km (0.061 R)
• M25: 30,703,467 km (0.103 R)
• M26: 31,022,559 km (0.12 R)
• M27: 32,211,414 km (0.117 R)
• M28: 32,761,634 km (0.063 R)
• M29: 39,359,649 km (0.108 R)
• M30: 39,988,558 km (0.093 R)
• M31: 44,988,717 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.9

Radius: 3

Gravity: 17.32 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.81 AU - 11.95 AU

Year: 21829 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,247,156 km

• M1: 163,810 km (0.059 R)
• M2: 824,883 km (0.036 R)
• M3: 1,742,217 km (0.066 R)
• M4: 1,903,932 km (0.041 R)
• M5: 3,330,647 km (0.103 R)
• M6: 3,841,673 km (0.114 R)
• M7: 5,344,534 km (0.06 R)
• M8: 5,445,512 km (0.115 R)
• M9: 13,180,769 km (0.113 R)
• M10: 19,978,347 km (0.079 R)
• M11: 24,484,384 km (0.068 R)
• M12: 32,666,191 km (0.039 R)
• M13: 37,488,329 km (0.05 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 12,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit