🌌 Stone's Star System Generator

Asteroid Belt

Center: 3.16 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.1

Radius: 12.4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.2 AU - 6.42 AU

Year: 5571 Days

Day: 7.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,782,519 km

• M1: 154,235 km (0.034 R)
• M2: 570,716 km (0.118 R)
• M3: 1,138,290 km (0.096 R)
• M4: 1,684,622 km (0.07 R)
• M5: 2,072,529 km (0.085 R)
• M6: 2,899,805 km (0.116 R)
• M7: 3,529,463 km (0.105 R)
• M8: 4,273,712 km (0.109 R)
• M9: 5,008,387 km (0.12 R)
• M10: 5,523,901 km (0.118 R)
• M11: 6,429,268 km (0.06 R)
• M12: 10,595,868 km (0.089 R)
• M13: 11,448,426 km (0.104 R)
• M14: 13,023,392 km (0.092 R)
• M15: 13,946,261 km (0.112 R)
• M16: 18,951,657 km (0.118 R)
• M17: 19,642,649 km (0.081 R)
• M18: 20,928,742 km (0.066 R)
• M19: 26,127,119 km (0.045 R)
• M20: 28,392,030 km (0.111 R)
• M21: 29,297,097 km (0.105 R)
• M22: 30,314,662 km (0.061 R)
• M23: 31,355,714 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 11.7

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.8 AU - 8.96 AU

Year: 8526 Days

Day: 13 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,782,519 km

• M1: 146,008 km (0.118 R)
• M2: 853,007 km (0.067 R)
• M3: 1,276,668 km (0.09 R)
• M4: 1,724,115 km (0.112 R)
• M5: 3,658,865 km (0.046 R)
• M6: 4,154,183 km (0.086 R)
• M7: 4,693,932 km (0.105 R)
• M8: 5,860,048 km (0.116 R)
• M9: 7,273,000 km (0.076 R)
• M10: 8,473,523 km (0.116 R)
• M11: 9,195,183 km (0.082 R)
• M12: 11,435,112 km (0.115 R)
• M13: 13,771,980 km (0.102 R)
• M14: 14,265,055 km (0.069 R)
• M15: 15,026,807 km (0.047 R)
• M16: 16,411,036 km (0.065 R)
• M17: 19,431,866 km (0.114 R)
• M18: 21,138,329 km (0.055 R)
• M19: 22,262,706 km (0.046 R)
• M20: 23,080,109 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.5

Radius: 13.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.29 AU - 9.97 AU

Year: 8910 Days

Day: 7.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,782,519 km

• M1: 167,699 km (0.099 R)
• M2: 871,408 km (0.11 R)
• M3: 2,699,942 km (0.067 R)
• M4: 3,606,356 km (0.111 R)
• M5: 4,247,233 km (0.057 R)
• M6: 4,847,869 km (0.117 R)
• M7: 9,267,438 km (0.042 R)
• M8: 11,266,216 km (0.059 R)
• M9: 11,834,089 km (0.038 R)
• M10: 12,584,472 km (0.117 R)
• M11: 16,360,173 km (0.09 R)
• M12: 18,898,699 km (0.106 R)
• M13: 21,219,261 km (0.077 R)
• M14: 22,006,744 km (0.12 R)
• M15: 23,807,903 km (0.081 R)
• M16: 26,060,996 km (0.119 R)
• M17: 28,452,917 km (0.107 R)
• M18: 34,849,422 km (0.09 R)
• M19: 37,291,757 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.2

Radius: 3.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 10.8 AU - 16.1 AU

Year: 17337 Days

Day: 17.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,782,519 km

• M1: 43,533 km (0.061 R)
• M2: 216,019 km (0.105 R)
• M3: 379,380 km (0.042 R)
• M4: 560,842 km (0.113 R)
• M5: 910,303 km (0.084 R)
• M6: 1,703,920 km (0.11 R)
• M7: 1,976,337 km (0.06 R)
• M8: 2,230,055 km (0.076 R)
• M9: 3,529,762 km (0.073 R)
• M10: 3,790,660 km (0.059 R)
• M11: 4,498,857 km (0.104 R)
• M12: 7,388,190 km (0.097 R)
• M13: 9,643,079 km (0.114 R)
• M14: 13,850,668 km (0.118 R)
• M15: 20,902,263 km (0.109 R)
• M16: 28,360,016 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.3

Radius: 5.4

Gravity: 32.04 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 12.08 AU - 18 AU

Year: 20500 Days

Day: 20.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,782,519 km

• M1: 67,169 km (0.084 R)
• M2: 251,175 km (0.092 R)
• M3: 473,627 km (0.106 R)
• M4: 673,789 km (0.097 R)
• M5: 1,123,779 km (0.063 R)
• M6: 1,849,778 km (0.038 R)
• M7: 2,093,473 km (0.118 R)
• M8: 3,377,022 km (0.11 R)
• M9: 4,515,313 km (0.093 R)
• M10: 4,696,625 km (0.097 R)
• M11: 5,073,911 km (0.11 R)
• M12: 5,390,011 km (0.096 R)
• M13: 5,845,986 km (0.082 R)
• M14: 8,464,846 km (0.088 R)
• M15: 9,080,441 km (0.081 R)
• M16: 10,463,324 km (0.117 R)
• M17: 14,019,116 km (0.111 R)
• M18: 14,879,453 km (0.11 R)
• M19: 16,618,827 km (0.114 R)
• M20: 17,404,067 km (0.106 R)
• M21: 20,200,350 km (0.108 R)
• M22: 21,704,856 km (0.07 R)
• M23: 22,222,464 km (0.054 R)
• M24: 24,709,978 km (0.11 R)
• M25: 33,411,936 km (0.107 R)
• M26: 43,625,133 km (0.096 R)
• M27: 49,790,061 km (0.081 R)
• M28: 51,052,667 km (0.071 R)
• M29: 54,396,927 km (0.091 R)
• M30: 58,280,937 km (0.091 R)
• M31: 59,279,951 km (0.108 R)
• M32: 65,945,883 km (0.06 R)
• M33: 68,569,082 km (0.089 R)
• M34: 73,094,268 km (0.047 R)
• M35: 77,573,677 km (0.067 R)
• M36: 79,757,955 km (0.059 R)

Kuiper Belt

Range: 31.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 18,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit