🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.22 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.31 AU - 2.57 AU

Year: 1385 Days

Day: 22.8 Hours

Environment

Temp: -80 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.1

Radius: 11.5

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.6 AU - 6.28 AU

Year: 5261 Days

Day: 6.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,968,185 km

• M1: 143,165 km (0.068 R)
• M2: 567,126 km (0.093 R)
• M3: 992,731 km (0.069 R)
• M4: 1,930,561 km (0.085 R)
• M5: 2,309,193 km (0.056 R)
• M6: 2,792,693 km (0.09 R)
• M7: 3,579,129 km (0.079 R)
• M8: 4,304,828 km (0.068 R)
• M9: 6,272,190 km (0.048 R)
• M10: 7,009,558 km (0.098 R)
• M11: 7,729,273 km (0.113 R)
• M12: 9,919,835 km (0.082 R)
• M13: 12,240,397 km (0.09 R)
• M14: 12,807,373 km (0.097 R)
• M15: 13,445,707 km (0.109 R)
• M16: 19,899,509 km (0.096 R)
• M17: 21,637,387 km (0.075 R)
• M18: 22,087,378 km (0.103 R)
• M19: 23,317,521 km (0.093 R)
• M20: 24,674,224 km (0.112 R)
• M21: 27,544,110 km (0.104 R)
• M22: 32,941,750 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.3

Radius: 8.9

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.34 AU - 10.34 AU

Year: 8753 Days

Day: 10.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,968,185 km

• M1: 110,702 km (0.073 R)
• M2: 590,463 km (0.101 R)
• M3: 991,235 km (0.108 R)
• M4: 1,745,358 km (0.114 R)
• M5: 2,491,553 km (0.042 R)
• M6: 3,220,842 km (0.087 R)
• M7: 3,635,527 km (0.084 R)
• M8: 4,367,360 km (0.063 R)
• M9: 5,226,650 km (0.096 R)
• M10: 5,731,094 km (0.062 R)
• M11: 6,916,059 km (0.107 R)
• M12: 7,276,889 km (0.072 R)
• M13: 7,863,313 km (0.06 R)
• M14: 8,894,790 km (0.092 R)
• M15: 9,225,850 km (0.091 R)
• M16: 10,424,279 km (0.055 R)
• M17: 10,792,589 km (0.098 R)
• M18: 12,411,836 km (0.103 R)
• M19: 13,932,648 km (0.092 R)
• M20: 15,035,334 km (0.103 R)
• M21: 16,761,095 km (0.087 R)
• M22: 20,193,618 km (0.1 R)
• M23: 21,519,205 km (0.11 R)
• M24: 25,179,266 km (0.054 R)
• M25: 26,616,004 km (0.116 R)
• M26: 30,928,462 km (0.069 R)
• M27: 34,279,604 km (0.114 R)
• M28: 36,522,675 km (0.078 R)
• M29: 37,741,748 km (0.097 R)
• M30: 41,561,580 km (0.034 R)
• M31: 44,659,004 km (0.113 R)
• M32: 46,617,838 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.6

Radius: 8.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.57 AU - 12.43 AU

Year: 11493 Days

Day: 12.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,968,185 km

• M1: 111,002 km (0.055 R)
• M2: 735,423 km (0.114 R)
• M3: 1,030,131 km (0.106 R)
• M4: 1,369,868 km (0.104 R)
• M5: 1,659,788 km (0.095 R)
• M6: 6,846,646 km (0.101 R)
• M7: 8,142,463 km (0.069 R)
• M8: 9,370,811 km (0.094 R)
• M9: 11,980,246 km (0.115 R)
• M10: 13,451,093 km (0.082 R)
• M11: 16,164,349 km (0.09 R)
• M12: 20,024,722 km (0.069 R)
• M13: 26,545,245 km (0.112 R)
• M14: 29,507,282 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.3

Radius: 14.3

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 9.54 AU - 15.34 AU

Year: 15946 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 88,968,185 km

• M1: 177,872 km (0.119 R)
• M2: 803,341 km (0.113 R)
• M3: 4,936,131 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.5

Radius: 4.1

Gravity: 16.27 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 16.38 AU - 19.34 AU

Year: 27432 Days

Day: 17.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,968,185 km

• M1: 51,162 km (0.079 R)
• M2: 240,703 km (0.093 R)
• M3: 460,761 km (0.11 R)
• M4: 1,006,494 km (0.051 R)
• M5: 1,535,921 km (0.104 R)
• M6: 2,050,837 km (0.096 R)
• M7: 3,608,899 km (0.105 R)
• M8: 4,342,976 km (0.093 R)
• M9: 7,318,627 km (0.111 R)
• M10: 8,033,854 km (0.11 R)
• M11: 9,825,289 km (0.054 R)
• M12: 10,873,671 km (0.044 R)
• M13: 12,850,607 km (0.064 R)
• M14: 15,815,936 km (0.052 R)
• M15: 19,119,356 km (0.085 R)
• M16: 22,558,910 km (0.089 R)
• M17: 23,053,181 km (0.044 R)
• M18: 25,314,204 km (0.049 R)
• M19: 32,597,825 km (0.099 R)
• M20: 35,837,217 km (0.076 R)
• M21: 37,465,740 km (0.085 R)
• M22: 47,958,085 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.4

Radius: 4

Gravity: 27.28 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 15.94 AU - 23.38 AU

Year: 31681 Days

Day: 15 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 88,968,185 km

• M1: 51,162 km (0.113 R)
• M2: 195,824 km (0.082 R)
• M3: 640,578 km (0.096 R)
• M4: 815,757 km (0.089 R)
• M5: 996,621 km (0.044 R)
• M6: 1,939,686 km (0.114 R)
• M7: 3,074,087 km (0.112 R)
• M8: 3,829,556 km (0.087 R)
• M9: 4,890,504 km (0.11 R)
• M10: 6,178,093 km (0.084 R)
• M11: 6,827,497 km (0.08 R)
• M12: 9,822,147 km (0.068 R)
• M13: 12,337,187 km (0.073 R)
• M14: 13,513,774 km (0.091 R)
• M15: 14,129,070 km (0.062 R)
• M16: 15,086,945 km (0.085 R)
• M17: 18,126,624 km (0.116 R)
• M18: 19,936,160 km (0.116 R)
• M19: 21,758,412 km (0.11 R)
• M20: 22,072,418 km (0.109 R)
• M21: 24,695,018 km (0.091 R)
• M22: 29,260,296 km (0.074 R)
• M23: 35,068,733 km (0.115 R)
• M24: 35,645,133 km (0.075 R)
• M25: 36,669,131 km (0.091 R)
• M26: 42,084,125 km (0.111 R)
• M27: 45,576,038 km (0.072 R)
• M28: 48,718,641 km (0.105 R)
• M29: 52,189,461 km (0.082 R)
• M30: 53,129,385 km (0.057 R)
• M31: 59,007,534 km (0.037 R)
• M32: 64,655,452 km (0.059 R)
• M33: 67,277,304 km (0.101 R)
• M34: 68,166,663 km (0.067 R)
• M35: 69,515,438 km (0.104 R)
• M36: 72,034,367 km (0.109 R)
• M37: 73,433,556 km (0.075 R)
• M38: 75,327,315 km (0.096 R)
• M39: 83,995,464 km (0.069 R)
• M40: 84,252,474 km (0.115 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 19,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit