🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.2

Radius: 9.9

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.62 AU - 0.72 AU

Year: 379 Days

Day: 6.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 61.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,146,043 km

• M1: 124,017 km (0.093 R)
• M2: 483,949 km (0.112 R)
• M3: 1,121,236 km (0.084 R)
• M4: 1,597,107 km (0.114 R)
• M5: 2,516,236 km (0.081 R)
• M6: 2,838,320 km (0.082 R)
• M7: 3,198,702 km (0.083 R)
• M8: 3,888,497 km (0.112 R)
• M9: 4,414,633 km (0.111 R)
• M10: 4,758,409 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443

Radius: 12.4

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.93 AU - 1.47 AU

Year: 907 Days

Day: 14.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,146,043 km

• M1: 154,385 km (0.101 R)
• M2: 573,708 km (0.056 R)
• M3: 2,794,937 km (0.117 R)
• M4: 3,207,977 km (0.116 R)
• M5: 3,846,909 km (0.079 R)
• M6: 4,266,830 km (0.113 R)
• M7: 4,684,209 km (0.046 R)
• M8: 6,427,473 km (0.074 R)
• M9: 7,769,066 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.9

Radius: 10.2

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.2 AU - 3.24 AU

Year: 3988 Days

Day: 13.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,146,043 km

• M1: 126,859 km (0.058 R)
• M2: 505,790 km (0.102 R)
• M3: 892,650 km (0.059 R)
• M4: 1,256,173 km (0.05 R)
• M5: 2,026,453 km (0.091 R)
• M6: 2,838,021 km (0.093 R)
• M7: 3,347,552 km (0.069 R)
• M8: 3,665,447 km (0.062 R)
• M9: 4,792,069 km (0.033 R)
• M10: 5,276,167 km (0.107 R)
• M11: 5,991,096 km (0.096 R)
• M12: 6,432,260 km (0.119 R)
• M13: 6,863,401 km (0.095 R)
• M14: 7,613,634 km (0.086 R)
• M15: 9,200,269 km (0.106 R)
• M16: 11,039,874 km (0.095 R)
• M17: 11,390,980 km (0.116 R)
• M18: 12,966,994 km (0.119 R)
• M19: 15,487,269 km (0.085 R)
• M20: 15,816,833 km (0.088 R)
• M21: 16,207,134 km (0.064 R)
• M22: 16,604,017 km (0.085 R)
• M23: 17,417,082 km (0.109 R)
• M24: 19,951,120 km (0.106 R)
• M25: 20,670,686 km (0.085 R)
• M26: 21,679,723 km (0.062 R)
• M27: 22,650,913 km (0.098 R)
• M28: 23,506,164 km (0.086 R)

Asteroid Belt

Center: 3.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.8

Radius: 9.2

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.34 AU - 4.36 AU

Year: 6262 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,146,043 km

• M1: 114,442 km (0.088 R)
• M2: 424,409 km (0.099 R)
• M3: 1,094,608 km (0.065 R)
• M4: 1,425,069 km (0.032 R)
• M5: 2,276,431 km (0.105 R)
• M6: 3,045,513 km (0.118 R)
• M7: 6,397,852 km (0.074 R)
• M8: 8,076,490 km (0.059 R)
• M9: 9,126,517 km (0.115 R)
• M10: 11,444,686 km (0.087 R)
• M11: 13,323,486 km (0.093 R)
• M12: 15,029,051 km (0.115 R)
• M13: 17,410,350 km (0.112 R)
• M14: 19,884,399 km (0.1 R)
• M15: 20,330,949 km (0.074 R)
• M16: 23,480,433 km (0.085 R)
• M17: 25,257,506 km (0.1 R)
• M18: 25,693,434 km (0.119 R)
• M19: 29,846,421 km (0.077 R)
• M20: 30,530,233 km (0.097 R)
• M21: 37,726,788 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.6

Radius: 7.2

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.21 AU - 8.09 AU

Year: 14605 Days

Day: 17.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,146,043 km

• M1: 91,105 km (0.108 R)
• M2: 627,563 km (0.102 R)
• M3: 1,511,537 km (0.098 R)
• M4: 1,837,660 km (0.091 R)
• M5: 3,010,956 km (0.072 R)
• M6: 3,968,832 km (0.118 R)
• M7: 5,824,892 km (0.118 R)
• M8: 6,662,341 km (0.071 R)
• M9: 10,468,111 km (0.076 R)
• M10: 12,625,312 km (0.034 R)
• M11: 13,597,100 km (0.119 R)
• M12: 14,562,754 km (0.063 R)
• M13: 16,992,822 km (0.09 R)
• M14: 20,018,589 km (0.065 R)
• M15: 23,010,396 km (0.094 R)
• M16: 26,369,168 km (0.077 R)
• M17: 27,111,323 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.9

Radius: 6.2

Gravity: 20.99 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.98 AU - 8.02 AU

Year: 15619 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 68,146,043 km

• M1: 83,326 km (0.05 R)
• M2: 429,495 km (0.072 R)
• M3: 629,807 km (0.102 R)
• M4: 960,568 km (0.04 R)
• M5: 1,462,020 km (0.103 R)
• M6: 2,370,977 km (0.1 R)
• M7: 4,837,546 km (0.101 R)
• M8: 5,757,723 km (0.069 R)
• M9: 7,511,309 km (0.038 R)
• M10: 9,429,004 km (0.06 R)
• M11: 11,340,416 km (0.078 R)
• M12: 11,588,449 km (0.075 R)
• M13: 12,816,199 km (0.036 R)
• M14: 13,153,094 km (0.098 R)
• M15: 16,143,405 km (0.113 R)
• M16: 17,016,608 km (0.056 R)
• M17: 17,423,814 km (0.104 R)
• M18: 17,754,275 km (0.053 R)
• M19: 18,088,776 km (0.098 R)
• M20: 20,641,514 km (0.101 R)
• M21: 20,918,569 km (0.045 R)
• M22: 25,483,698 km (0.114 R)
• M23: 26,339,996 km (0.073 R)
• M24: 27,772,246 km (0.12 R)
• M25: 27,997,092 km (0.087 R)
• M26: 29,957,722 km (0.119 R)
• M27: 32,503,728 km (0.106 R)
• M28: 32,878,919 km (0.104 R)
• M29: 36,251,753 km (0.091 R)
• M30: 36,925,841 km (0.104 R)
• M31: 37,334,243 km (0.11 R)
• M32: 38,717,425 km (0.109 R)
• M33: 43,675,547 km (0.063 R)
• M34: 45,834,544 km (0.107 R)
• M35: 48,225,566 km (0.086 R)
• M36: 49,699,405 km (0.086 R)
• M37: 57,338,919 km (0.116 R)
• M38: 58,437,715 km (0.1 R)
• M39: 60,300,209 km (0.118 R)
• M40: 61,818,328 km (0.106 R)
• M41: 63,947,106 km (0.051 R)
• M42: 65,924,341 km (0.089 R)
• M43: 66,324,665 km (0.071 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 19,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit