🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.72 AU - 3.34 AU

Year: 3405 Days

Day: 11.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,951,405 km

• M1: 102,175 km (0.085 R)
• M2: 605,722 km (0.105 R)
• M3: 864,676 km (0.091 R)
• M4: 1,243,009 km (0.083 R)
• M5: 2,023,012 km (0.083 R)
• M6: 2,931,520 km (0.089 R)
• M7: 3,247,770 km (0.099 R)
• M8: 3,661,109 km (0.051 R)
• M9: 5,304,890 km (0.09 R)
• M10: 8,970,038 km (0.108 R)
• M11: 11,724,135 km (0.075 R)
• M12: 13,722,912 km (0.117 R)
• M13: 14,092,269 km (0.059 R)
• M14: 14,947,819 km (0.118 R)
• M15: 15,339,018 km (0.062 R)
• M16: 16,553,453 km (0.1 R)
• M17: 17,184,307 km (0.03 R)
• M18: 18,326,487 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.3

Radius: 9.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.43 AU - 3.73 AU

Year: 3490 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,951,405 km

• M1: 125,812 km (0.109 R)
• M2: 566,976 km (0.043 R)
• M3: 1,037,611 km (0.111 R)
• M4: 1,676,843 km (0.111 R)
• M5: 2,049,940 km (0.118 R)
• M6: 2,478,687 km (0.066 R)
• M7: 3,332,143 km (0.086 R)
• M8: 3,763,733 km (0.12 R)
• M9: 5,875,756 km (0.053 R)
• M10: 7,184,737 km (0.115 R)
• M11: 7,788,813 km (0.063 R)
• M12: 9,634,252 km (0.104 R)
• M13: 10,916,605 km (0.033 R)
• M14: 11,598,921 km (0.119 R)
• M15: 12,349,603 km (0.083 R)
• M16: 13,904,224 km (0.085 R)
• M17: 15,444,185 km (0.11 R)
• M18: 16,352,693 km (0.102 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.1

Radius: 8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.42 AU - 9.18 AU

Year: 14066 Days

Day: 19.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,951,405 km

• M1: 100,679 km (0.068 R)
• M2: 1,542,055 km (0.064 R)
• M3: 1,808,638 km (0.063 R)
• M4: 2,350,482 km (0.088 R)
• M5: 2,819,920 km (0.093 R)
• M6: 3,077,228 km (0.092 R)
• M7: 3,437,609 km (0.099 R)
• M8: 4,449,938 km (0.063 R)
• M9: 6,092,523 km (0.091 R)
• M10: 6,662,341 km (0.041 R)
• M11: 8,918,427 km (0.104 R)
• M12: 9,432,894 km (0.05 R)
• M13: 16,089,700 km (0.111 R)
• M14: 16,723,247 km (0.115 R)
• M15: 17,905,519 km (0.087 R)
• M16: 19,142,544 km (0.091 R)
• M17: 22,171,452 km (0.11 R)
• M18: 22,955,793 km (0.081 R)
• M19: 32,143,346 km (0.099 R)
• M20: 33,760,499 km (0.029 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.8

Radius: 3.9

Gravity: 38.71 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.43 AU - 11.87 AU

Year: 22441 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,951,405 km

• M1: 49,068 km (0.047 R)
• M2: 223,948 km (0.095 R)
• M3: 1,087,726 km (0.102 R)
• M4: 1,283,101 km (0.102 R)
• M5: 1,836,763 km (0.107 R)
• M6: 2,535,385 km (0.041 R)
• M7: 3,367,149 km (0.043 R)
• M8: 8,790,820 km (0.066 R)
• M9: 10,222,920 km (0.107 R)
• M10: 12,896,234 km (0.116 R)
• M11: 13,685,512 km (0.106 R)
• M12: 19,756,044 km (0.113 R)
• M13: 23,110,926 km (0.117 R)
• M14: 24,813,350 km (0.114 R)
• M15: 32,070,492 km (0.116 R)
• M16: 38,103,026 km (0.093 R)
• M17: 49,532,154 km (0.054 R)
• M18: 52,349,082 km (0.089 R)
• M19: 54,162,807 km (0.087 R)
• M20: 72,408,212 km (0.027 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.9

Radius: 6.9

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.93 AU - 12.11 AU

Year: 23620 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,951,405 km

• M1: 86,168 km (0.116 R)
• M2: 329,265 km (0.073 R)
• M3: 609,462 km (0.052 R)
• M4: 925,263 km (0.118 R)
• M5: 1,142,778 km (0.067 R)
• M6: 2,478,388 km (0.092 R)
• M7: 5,042,944 km (0.094 R)
• M8: 5,686,963 km (0.082 R)
• M9: 6,160,740 km (0.062 R)
• M10: 7,435,014 km (0.077 R)
• M11: 9,572,917 km (0.063 R)
• M12: 9,873,759 km (0.088 R)
• M13: 14,147,471 km (0.11 R)
• M14: 15,259,282 km (0.11 R)
• M15: 17,122,075 km (0.051 R)
• M16: 17,835,657 km (0.091 R)
• M17: 18,755,085 km (0.044 R)
• M18: 20,688,338 km (0.094 R)
• M19: 21,909,955 km (0.097 R)
• M20: 22,538,415 km (0.102 R)
• M21: 22,964,021 km (0.113 R)
• M22: 24,607,952 km (0.12 R)
• M23: 29,121,170 km (0.117 R)
• M24: 31,175,897 km (0.1 R)
• M25: 31,704,426 km (0.105 R)
• M26: 39,127,921 km (0.11 R)
• M27: 40,991,761 km (0.12 R)
• M28: 41,466,735 km (0.052 R)
• M29: 51,755,478 km (0.108 R)
• M30: 53,809,606 km (0.063 R)
• M31: 54,569,862 km (0.114 R)
• M32: 55,530,131 km (0.078 R)
• M33: 59,484,302 km (0.104 R)
• M34: 67,506,638 km (0.078 R)
• M35: 70,408,537 km (0.11 R)
• M36: 82,344,652 km (0.077 R)
• M37: 85,913,160 km (0.044 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 15,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit