🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.5

Radius: 8

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.66 AU - 0.86 AU

Year: 457 Days

Day: 10.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,396,923 km

• M1: 101,727 km (0.089 R)
• M2: 359,633 km (0.115 R)
• M3: 664,963 km (0.089 R)
• M4: 1,026,989 km (0.119 R)
• M5: 1,276,519 km (0.117 R)
• M6: 1,656,348 km (0.109 R)
• M7: 1,982,172 km (0.107 R)
• M8: 2,895,916 km (0.072 R)
• M9: 3,308,207 km (0.109 R)
• M10: 3,922,456 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.8

Radius: 11.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.92 AU - 1.3 AU

Year: 807 Days

Day: 9.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,396,923 km

• M1: 139,276 km (0.084 R)
• M2: 635,641 km (0.117 R)
• M3: 1,123,330 km (0.093 R)
• M4: 1,635,853 km (0.12 R)
• M5: 1,997,281 km (0.099 R)
• M6: 2,361,552 km (0.034 R)
• M7: 2,933,016 km (0.034 R)
• M8: 3,649,739 km (0.098 R)
• M9: 4,400,721 km (0.11 R)
• M10: 4,990,735 km (0.108 R)
• M11: 5,503,855 km (0.069 R)
• M12: 6,491,650 km (0.073 R)
• M13: 6,974,103 km (0.096 R)
• M14: 7,593,738 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547

Radius: 11.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.08 AU - 1.24 AU

Year: 862 Days

Day: 13.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,396,923 km

• M1: 140,472 km (0.11 R)
• M2: 497,263 km (0.042 R)
• M3: 877,990 km (0.082 R)
• M4: 1,376,300 km (0.094 R)
• M5: 2,347,789 km (0.11 R)
• M6: 3,517,495 km (0.115 R)
• M7: 4,595,347 km (0.102 R)
• M8: 4,953,185 km (0.095 R)
• M9: 5,347,974 km (0.058 R)
• M10: 5,960,129 km (0.086 R)
• M11: 6,324,549 km (0.107 R)
• M12: 7,790,758 km (0.087 R)
• M13: 8,578,092 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.9

Radius: 14.9

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.21 AU - 1.41 AU

Year: 1035 Days

Day: 7.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,396,923 km

• M1: 185,352 km (0.119 R)
• M2: 1,023,399 km (0.114 R)
• M3: 1,542,952 km (0.063 R)
• M4: 2,433,359 km (0.082 R)
• M5: 2,996,595 km (0.1 R)
• M6: 3,752,962 km (0.109 R)
• M7: 4,316,048 km (0.105 R)
• M8: 4,854,750 km (0.115 R)
• M9: 5,421,277 km (0.087 R)
• M10: 6,628,083 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.9

Radius: 8.9

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.17 AU - 3.73 AU

Year: 4423 Days

Day: 9.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,396,923 km

• M1: 113,096 km (0.118 R)
• M2: 431,141 km (0.09 R)
• M3: 888,312 km (0.087 R)
• M4: 1,287,738 km (0.119 R)
• M5: 1,638,845 km (0.075 R)
• M6: 2,082,552 km (0.12 R)
• M7: 2,797,630 km (0.091 R)
• M8: 3,251,959 km (0.059 R)
• M9: 3,603,065 km (0.073 R)
• M10: 4,094,793 km (0.101 R)
• M11: 5,268,089 km (0.081 R)
• M12: 6,053,478 km (0.118 R)
• M13: 7,015,542 km (0.052 R)
• M14: 7,711,321 km (0.119 R)
• M15: 9,862,240 km (0.11 R)
• M16: 10,870,230 km (0.079 R)
• M17: 12,335,691 km (0.1 R)
• M18: 15,138,706 km (0.07 R)
• M19: 16,477,757 km (0.116 R)
• M20: 18,991,599 km (0.066 R)
• M21: 19,322,809 km (0.113 R)
• M22: 19,928,830 km (0.118 R)
• M23: 21,107,811 km (0.087 R)
• M24: 29,176,073 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.5

Radius: 6.9

Gravity: 20.64 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.08 AU - 6.76 AU

Year: 11228 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,396,923 km

• M1: 85,869 km (0.101 R)
• M2: 357,389 km (0.086 R)
• M3: 698,323 km (0.091 R)
• M4: 1,030,131 km (0.117 R)
• M5: 1,311,824 km (0.1 R)
• M6: 1,996,533 km (0.072 R)
• M7: 2,543,313 km (0.105 R)
• M8: 3,136,319 km (0.068 R)
• M9: 4,163,758 km (0.084 R)
• M10: 5,086,926 km (0.104 R)
• M11: 5,651,209 km (0.064 R)
• M12: 12,306,968 km (0.045 R)
• M13: 16,698,114 km (0.062 R)
• M14: 23,810,745 km (0.037 R)
• M15: 25,181,062 km (0.059 R)
• M16: 26,914,751 km (0.097 R)
• M17: 31,536,129 km (0.106 R)
• M18: 37,694,923 km (0.058 R)
• M19: 38,882,431 km (0.075 R)
• M20: 39,687,866 km (0.074 R)
• M21: 41,750,073 km (0.071 R)
• M22: 42,453,033 km (0.113 R)
• M23: 52,160,888 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 12,049 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit