🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.2

Radius: 8.8

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.99 AU - 1.23 AU

Year: 767 Days

Day: 8.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,491,346 km

• M1: 109,506 km (0.07 R)
• M2: 404,662 km (0.088 R)
• M3: 753,076 km (0.08 R)
• M4: 1,084,734 km (0.104 R)
• M5: 1,584,241 km (0.119 R)
• M6: 2,271,344 km (0.049 R)
• M7: 2,570,091 km (0.117 R)
• M8: 3,182,844 km (0.069 R)
• M9: 4,055,000 km (0.053 R)
• M10: 4,596,544 km (0.055 R)
• M11: 5,042,795 km (0.092 R)
• M12: 5,423,970 km (0.055 R)
• M13: 6,203,375 km (0.071 R)
• M14: 6,620,155 km (0.115 R)
• M15: 7,417,362 km (0.096 R)
• M16: 7,767,869 km (0.077 R)
• M17: 8,227,733 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.3

Radius: 15

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.28 AU - 1.68 AU

Year: 1181 Days

Day: 5.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,491,346 km

• M1: 188,493 km (0.069 R)
• M2: 974,481 km (0.073 R)
• M3: 1,698,534 km (0.076 R)
• M4: 3,037,435 km (0.068 R)
• M5: 3,864,562 km (0.077 R)
• M6: 4,716,522 km (0.105 R)
• M7: 5,271,081 km (0.091 R)
• M8: 6,862,204 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.6

Radius: 13.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.46 AU - 1.64 AU

Year: 1266 Days

Day: 11.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,491,346 km

• M1: 169,345 km (0.091 R)
• M2: 674,387 km (0.115 R)
• M3: 1,182,721 km (0.092 R)
• M4: 1,846,337 km (0.089 R)
• M5: 2,370,977 km (0.097 R)
• M6: 2,826,053 km (0.037 R)
• M7: 3,339,922 km (0.06 R)
• M8: 4,999,112 km (0.112 R)
• M9: 5,590,772 km (0.119 R)
• M10: 6,162,834 km (0.105 R)
• M11: 7,449,824 km (0.098 R)
• M12: 8,741,303 km (0.089 R)
• M13: 10,146,176 km (0.093 R)
• M14: 10,646,432 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.8

Radius: 12.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.66 AU - 1.76 AU

Year: 1467 Days

Day: 13.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,491,346 km

• M1: 159,471 km (0.096 R)
• M2: 557,252 km (0.08 R)
• M3: 990,936 km (0.113 R)
• M4: 1,556,117 km (0.113 R)
• M5: 1,965,716 km (0.104 R)
• M6: 2,888,735 km (0.116 R)
• M7: 5,090,816 km (0.066 R)
• M8: 6,282,063 km (0.101 R)
• M9: 7,017,038 km (0.108 R)
• M10: 7,598,973 km (0.114 R)
• M11: 8,888,357 km (0.075 R)
• M12: 9,970,997 km (0.103 R)
• M13: 10,806,202 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.9

Radius: 13.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.2 AU - 4.46 AU

Year: 4917 Days

Day: 11.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,491,346 km

• M1: 164,707 km (0.09 R)
• M2: 652,396 km (0.077 R)
• M3: 1,354,908 km (0.098 R)
• M4: 1,815,071 km (0.09 R)
• M5: 3,671,581 km (0.063 R)
• M6: 4,272,515 km (0.116 R)
• M7: 5,035,464 km (0.081 R)
• M8: 5,942,027 km (0.077 R)
• M9: 6,362,697 km (0.107 R)
• M10: 8,421,762 km (0.034 R)
• M11: 9,063,237 km (0.036 R)
• M12: 9,508,740 km (0.118 R)
• M13: 10,323,899 km (0.099 R)
• M14: 10,769,102 km (0.092 R)
• M15: 12,634,288 km (0.062 R)
• M16: 13,285,637 km (0.11 R)
• M17: 15,584,807 km (0.086 R)
• M18: 16,279,988 km (0.098 R)
• M19: 16,773,362 km (0.1 R)
• M20: 17,617,842 km (0.114 R)
• M21: 18,196,337 km (0.03 R)
• M22: 18,847,387 km (0.107 R)
• M23: 21,022,839 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.8

Radius: 11.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.4 AU - 4.5 AU

Year: 6158 Days

Day: 13.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,491,346 km

• M1: 146,756 km (0.093 R)
• M2: 1,116,449 km (0.1 R)
• M3: 4,100,328 km (0.119 R)
• M4: 5,050,424 km (0.072 R)
• M5: 6,695,701 km (0.119 R)
• M6: 8,082,773 km (0.098 R)
• M7: 8,597,838 km (0.105 R)
• M8: 13,337,847 km (0.112 R)
• M9: 17,442,513 km (0.085 R)
• M10: 20,514,506 km (0.119 R)
• M11: 25,851,559 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.3

Radius: 3

Gravity: 84.59 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.84 AU - 10.36 AU

Year: 18008 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,491,346 km

• M1: 37,250 km (0.095 R)
• M2: 180,714 km (0.078 R)
• M3: 660,923 km (0.085 R)
• M4: 1,002,755 km (0.098 R)
• M5: 1,255,276 km (0.091 R)
• M6: 1,373,608 km (0.067 R)
• M7: 1,884,933 km (0.1 R)
• M8: 2,629,332 km (0.033 R)
• M9: 5,325,385 km (0.091 R)
• M10: 7,614,980 km (0.119 R)
• M11: 8,417,274 km (0.037 R)
• M12: 11,668,036 km (0.04 R)
• M13: 12,125,356 km (0.097 R)
• M14: 16,628,103 km (0.099 R)
• M15: 18,491,942 km (0.084 R)
• M16: 22,030,830 km (0.105 R)
• M17: 23,958,398 km (0.112 R)
• M18: 25,666,357 km (0.054 R)
• M19: 29,203,300 km (0.111 R)
• M20: 31,149,867 km (0.079 R)
• M21: 34,096,795 km (0.096 R)
• M22: 45,306,613 km (0.099 R)
• M23: 48,741,380 km (0.111 R)
• M24: 49,583,915 km (0.109 R)
• M25: 52,521,419 km (0.12 R)
• M26: 55,755,874 km (0.113 R)
• M27: 68,538,713 km (0.11 R)
• M28: 71,525,884 km (0.056 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 15,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit