🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.7

Radius: 12.9

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 11.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,921,846 km

• M1: 160,519 km (0.111 R)
• M2: 598,691 km (0.101 R)
• M3: 1,092,663 km (0.048 R)
• M4: 1,563,298 km (0.075 R)
• M5: 1,993,092 km (0.105 R)
• M6: 2,548,998 km (0.073 R)
• M7: 3,088,298 km (0.096 R)
• M8: 3,583,467 km (0.059 R)
• M9: 4,412,539 km (0.07 R)
• M10: 4,865,671 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.7

Radius: 11

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.58 AU - 0.74 AU

Year: 358 Days

Day: 8.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,921,846 km

• M1: 136,732 km (0.099 R)
• M2: 524,640 km (0.106 R)
• M3: 904,020 km (0.115 R)
• M4: 1,375,104 km (0.06 R)
• M5: 1,809,087 km (0.034 R)
• M6: 2,378,606 km (0.12 R)
• M7: 2,856,123 km (0.068 R)
• M8: 3,239,093 km (0.079 R)
• M9: 3,828,210 km (0.076 R)
• M10: 4,188,441 km (0.088 R)
• M11: 4,844,727 km (0.114 R)
• M12: 5,361,139 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 15

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.42 AU - 1.48 AU

Year: 1164 Days

Day: 13.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,921,846 km

• M1: 186,997 km (0.057 R)
• M2: 727,195 km (0.031 R)
• M3: 1,238,970 km (0.117 R)
• M4: 1,782,309 km (0.069 R)
• M5: 2,272,092 km (0.06 R)
• M6: 2,930,772 km (0.041 R)
• M7: 3,518,093 km (0.066 R)
• M8: 4,388,902 km (0.062 R)
• M9: 5,339,597 km (0.106 R)
• M10: 5,917,643 km (0.119 R)
• M11: 6,911,122 km (0.118 R)
• M12: 7,599,422 km (0.12 R)
• M13: 8,496,561 km (0.099 R)
• M14: 9,345,678 km (0.089 R)
• M15: 10,502,070 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 11.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.96 AU - 2.22 AU

Year: 2015 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,921,846 km

• M1: 147,952 km (0.062 R)
• M2: 892,351 km (0.101 R)
• M3: 2,139,549 km (0.095 R)
• M4: 2,798,827 km (0.06 R)
• M5: 3,389,289 km (0.068 R)
• M6: 3,828,060 km (0.09 R)
• M7: 4,489,283 km (0.12 R)
• M8: 5,397,491 km (0.092 R)
• M9: 5,936,642 km (0.114 R)
• M10: 7,076,727 km (0.094 R)
• M11: 7,922,703 km (0.087 R)
• M12: 9,053,065 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.7

Radius: 9.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.87 AU - 4.29 AU

Year: 4517 Days

Day: 12.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,921,846 km

• M1: 123,119 km (0.106 R)
• M2: 1,386,772 km (0.091 R)
• M3: 1,731,595 km (0.059 R)
• M4: 2,082,103 km (0.065 R)
• M5: 2,509,504 km (0.035 R)
• M6: 3,129,887 km (0.119 R)
• M7: 3,560,579 km (0.028 R)
• M8: 3,969,579 km (0.098 R)
• M9: 9,740,467 km (0.09 R)
• M10: 12,065,367 km (0.071 R)
• M11: 13,916,940 km (0.063 R)
• M12: 15,034,885 km (0.116 R)
• M13: 16,528,470 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.9

Radius: 10.5

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.91 AU - 6.13 AU

Year: 8648 Days

Day: 14.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,921,846 km

• M1: 130,599 km (0.089 R)
• M2: 548,127 km (0.063 R)
• M3: 1,046,437 km (0.087 R)
• M4: 1,519,316 km (0.071 R)
• M5: 1,919,341 km (0.116 R)
• M6: 2,870,933 km (0.088 R)
• M7: 3,434,618 km (0.06 R)
• M8: 5,577,308 km (0.101 R)
• M9: 6,181,085 km (0.087 R)
• M10: 6,654,861 km (0.093 R)
• M11: 8,092,048 km (0.066 R)
• M12: 8,935,930 km (0.046 R)
• M13: 12,464,794 km (0.084 R)
• M14: 12,862,126 km (0.092 R)
• M15: 17,921,376 km (0.118 R)
• M16: 19,945,585 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889

Radius: 4.9

Gravity: 37.03 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.38 AU - 8.32 AU

Year: 14667 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,921,846 km

• M1: 61,335 km (0.086 R)
• M2: 302,487 km (0.106 R)
• M3: 600,336 km (0.069 R)
• M4: 1,403,078 km (0.104 R)
• M5: 1,589,328 km (0.109 R)
• M6: 4,248,430 km (0.08 R)
• M7: 4,742,552 km (0.086 R)
• M8: 7,242,183 km (0.097 R)
• M9: 14,265,204 km (0.083 R)
• M10: 16,209,827 km (0.104 R)
• M11: 16,682,407 km (0.091 R)
• M12: 19,010,149 km (0.118 R)
• M13: 22,116,848 km (0.111 R)
• M14: 26,509,491 km (0.07 R)
• M15: 27,055,074 km (0.053 R)
• M16: 32,930,381 km (0.073 R)
• M17: 33,307,667 km (0.104 R)
• M18: 52,741,029 km (0.097 R)
• M19: 53,084,954 km (0.1 R)
• M20: 53,951,425 km (0.095 R)
• M21: 55,534,619 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.3

Radius: 5.5

Gravity: 26.32 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.48 AU - 8.82 AU

Year: 15516 Days

Day: 24.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,921,846 km

• M1: 68,366 km (0.066 R)
• M2: 411,693 km (0.09 R)
• M3: 658,231 km (0.078 R)
• M4: 1,518,119 km (0.113 R)
• M5: 1,783,207 km (0.057 R)
• M6: 3,349,646 km (0.107 R)
• M7: 4,101,974 km (0.098 R)
• M8: 4,651,297 km (0.118 R)
• M9: 5,067,777 km (0.084 R)
• M10: 5,285,143 km (0.103 R)
• M11: 5,470,944 km (0.075 R)
• M12: 6,508,854 km (0.113 R)
• M13: 7,209,271 km (0.066 R)
• M14: 9,611,214 km (0.077 R)
• M15: 10,991,704 km (0.09 R)
• M16: 11,356,573 km (0.087 R)
• M17: 11,855,332 km (0.1 R)
• M18: 13,716,778 km (0.116 R)
• M19: 14,570,982 km (0.07 R)
• M20: 15,764,474 km (0.059 R)
• M21: 16,542,682 km (0.082 R)
• M22: 16,941,211 km (0.115 R)
• M23: 17,427,853 km (0.105 R)
• M24: 19,292,441 km (0.094 R)
• M25: 21,473,578 km (0.102 R)
• M26: 26,318,753 km (0.104 R)
• M27: 29,924,361 km (0.071 R)
• M28: 30,994,734 km (0.063 R)
• M29: 33,973,676 km (0.076 R)
• M30: 34,617,396 km (0.091 R)
• M31: 37,821,034 km (0.078 R)
• M32: 41,216,906 km (0.094 R)
• M33: 45,740,297 km (0.056 R)
• M34: 46,210,184 km (0.108 R)
• M35: 50,084,769 km (0.074 R)
• M36: 57,376,468 km (0.119 R)
• M37: 58,656,727 km (0.09 R)
• M38: 59,582,738 km (0.083 R)
• M39: 60,330,577 km (0.088 R)
• M40: 61,844,957 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.4

Radius: 3.8

Gravity: 41.58 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 10.12 AU - 11.6 AU

Year: 23866 Days

Day: 16.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,921,846 km

• M1: 47,273 km (0.116 R)
• M2: 329,115 km (0.055 R)
• M3: 635,791 km (0.09 R)
• M4: 838,496 km (0.077 R)
• M5: 1,694,944 km (0.117 R)
• M6: 1,844,542 km (0.107 R)
• M7: 2,780,725 km (0.111 R)
• M8: 4,575,451 km (0.076 R)
• M9: 5,526,594 km (0.088 R)
• M10: 7,508,018 km (0.046 R)
• M11: 8,121,070 km (0.073 R)
• M12: 8,332,601 km (0.117 R)
• M13: 9,045,435 km (0.087 R)
• M14: 9,445,759 km (0.073 R)
• M15: 10,404,831 km (0.082 R)
• M16: 10,529,147 km (0.106 R)
• M17: 10,908,078 km (0.053 R)
• M18: 12,796,901 km (0.098 R)
• M19: 17,643,872 km (0.104 R)
• M20: 17,820,697 km (0.089 R)
• M21: 24,562,026 km (0.072 R)
• M22: 25,227,587 km (0.11 R)
• M23: 28,736,255 km (0.066 R)
• M24: 30,606,827 km (0.106 R)
• M25: 31,506,808 km (0.066 R)
• M26: 37,425,647 km (0.093 R)
• M27: 38,602,833 km (0.1 R)
• M28: 42,757,914 km (0.045 R)
• M29: 43,397,744 km (0.113 R)
• M30: 47,201,270 km (0.094 R)
• M31: 52,305,998 km (0.078 R)
• M32: 52,854,125 km (0.04 R)
• M33: 58,941,561 km (0.079 R)
• M34: 63,387,161 km (0.078 R)
• M35: 67,401,919 km (0.063 R)
• M36: 71,134,984 km (0.106 R)
• M37: 72,484,656 km (0.117 R)
• M38: 78,292,494 km (0.116 R)
• M39: 78,770,011 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 13,297 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit