🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.1

Radius: 9.5

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.03 AU - 2.29 AU

Year: 2050 Days

Day: 12.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,822,376 km

• M1: 118,332 km (0.115 R)
• M2: 464,202 km (0.085 R)
• M3: 1,114,953 km (0.101 R)
• M4: 1,858,155 km (0.064 R)
• M5: 2,599,113 km (0.061 R)
• M6: 3,162,798 km (0.086 R)
• M7: 4,740,308 km (0.082 R)
• M8: 5,512,831 km (0.096 R)
• M9: 5,917,194 km (0.039 R)
• M10: 6,521,869 km (0.102 R)
• M11: 7,278,834 km (0.106 R)
• M12: 9,096,747 km (0.044 R)
• M13: 9,764,851 km (0.034 R)
• M14: 11,012,348 km (0.103 R)
• M15: 11,655,170 km (0.081 R)
• M16: 12,483,643 km (0.115 R)
• M17: 15,159,051 km (0.093 R)
• M18: 15,576,729 km (0.096 R)
• M19: 16,002,185 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.8

Radius: 14.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.04 AU - 3.84 AU

Year: 4120 Days

Day: 11 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,822,376 km

• M1: 177,872 km (0.095 R)
• M2: 653,443 km (0.065 R)
• M3: 2,312,334 km (0.112 R)
• M4: 3,075,134 km (0.098 R)
• M5: 3,558,933 km (0.091 R)
• M6: 5,171,150 km (0.107 R)
• M7: 6,768,256 km (0.115 R)
• M8: 8,518,252 km (0.064 R)
• M9: 10,410,815 km (0.075 R)
• M10: 10,915,708 km (0.1 R)
• M11: 11,665,492 km (0.072 R)
• M12: 12,691,285 km (0.116 R)
• M13: 15,150,076 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.3

Radius: 13.5

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.78 AU - 3.84 AU

Year: 4802 Days

Day: 7.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,822,376 km

• M1: 167,849 km (0.083 R)
• M2: 672,742 km (0.099 R)
• M3: 1,435,840 km (0.095 R)
• M4: 2,293,934 km (0.112 R)
• M5: 2,882,452 km (0.094 R)
• M6: 3,837,485 km (0.062 R)
• M7: 4,529,375 km (0.103 R)
• M8: 4,968,444 km (0.102 R)
• M9: 6,018,921 km (0.083 R)
• M10: 6,460,384 km (0.119 R)
• M11: 7,917,318 km (0.072 R)
• M12: 9,822,147 km (0.079 R)
• M13: 10,689,217 km (0.114 R)
• M14: 11,472,511 km (0.102 R)
• M15: 11,924,147 km (0.113 R)
• M16: 14,887,830 km (0.114 R)
• M17: 18,008,292 km (0.041 R)
• M18: 20,338,130 km (0.073 R)
• M19: 23,075,771 km (0.069 R)
• M20: 23,942,840 km (0.088 R)
• M21: 24,607,204 km (0.09 R)
• M22: 25,132,592 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.2

Radius: 8.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.47 AU - 6.49 AU

Year: 9442 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,822,376 km

• M1: 107,710 km (0.108 R)
• M2: 398,230 km (0.119 R)
• M3: 1,014,722 km (0.102 R)
• M4: 1,347,877 km (0.099 R)
• M5: 1,935,198 km (0.108 R)
• M6: 2,267,006 km (0.091 R)
• M7: 2,574,729 km (0.108 R)
• M8: 2,943,936 km (0.068 R)
• M9: 3,497,299 km (0.098 R)
• M10: 3,930,684 km (0.058 R)
• M11: 7,230,813 km (0.061 R)
• M12: 14,156,746 km (0.115 R)
• M13: 15,309,248 km (0.064 R)
• M14: 15,881,908 km (0.077 R)
• M15: 19,081,059 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.4

Radius: 6.7

Gravity: 22.26 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.44 AU - 10.12 AU

Year: 16798 Days

Day: 21.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,822,376 km

• M1: 83,625 km (0.067 R)
• M2: 322,084 km (0.114 R)
• M3: 715,826 km (0.083 R)
• M4: 1,326,036 km (0.073 R)
• M5: 1,767,948 km (0.108 R)
• M6: 2,841,163 km (0.054 R)
• M7: 3,261,982 km (0.081 R)
• M8: 3,545,619 km (0.079 R)
• M9: 4,228,085 km (0.112 R)
• M10: 5,219,021 km (0.069 R)
• M11: 5,932,752 km (0.086 R)
• M12: 7,899,067 km (0.105 R)
• M13: 8,676,527 km (0.076 R)
• M14: 9,561,099 km (0.094 R)
• M15: 11,379,162 km (0.071 R)
• M16: 15,446,579 km (0.096 R)
• M17: 17,245,942 km (0.117 R)
• M18: 17,501,604 km (0.08 R)
• M19: 18,728,606 km (0.054 R)
• M20: 19,363,200 km (0.077 R)
• M21: 20,105,804 km (0.089 R)
• M22: 21,157,776 km (0.079 R)
• M23: 27,433,258 km (0.086 R)
• M24: 37,204,841 km (0.045 R)
• M25: 38,351,359 km (0.102 R)
• M26: 41,016,894 km (0.068 R)
• M27: 49,749,969 km (0.101 R)
• M28: 53,455,807 km (0.059 R)
• M29: 58,870,053 km (0.06 R)
• M30: 60,034,224 km (0.068 R)
• M31: 63,213,179 km (0.084 R)
• M32: 71,868,163 km (0.11 R)
• M33: 76,362,831 km (0.078 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 10,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit