🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.5

Radius: 12.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.51 AU - 0.55 AU

Year: 266 Days

Day: 6.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,691,191 km

• M1: 159,621 km (0.061 R)
• M2: 587,620 km (0.119 R)
• M3: 1,120,338 km (0.115 R)
• M4: 1,561,353 km (0.104 R)
• M5: 1,985,164 km (0.067 R)
• M6: 2,438,146 km (0.103 R)
• M7: 3,556,689 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.3

Radius: 13

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.1 AU - 1.4 AU

Year: 965 Days

Day: 14.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,691,191 km

• M1: 161,715 km (0.035 R)
• M2: 573,708 km (0.089 R)
• M3: 1,111,512 km (0.079 R)
• M4: 1,611,468 km (0.119 R)
• M5: 2,217,040 km (0.039 R)
• M6: 2,960,392 km (0.061 R)
• M7: 3,531,856 km (0.115 R)
• M8: 4,331,158 km (0.09 R)
• M9: 5,199,274 km (0.104 R)
• M10: 6,017,425 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17

Radius: 11.8

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.3 AU - 1.54 AU

Year: 1168 Days

Day: 12.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,691,191 km

• M1: 146,756 km (0.111 R)
• M2: 529,427 km (0.104 R)
• M3: 1,040,154 km (0.038 R)
• M4: 1,806,693 km (0.108 R)
• M5: 2,553,636 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.9

Radius: 13.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.44 AU - 1.5 AU

Year: 1230 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,691,191 km

• M1: 168,298 km (0.068 R)
• M2: 731,384 km (0.075 R)
• M3: 1,185,862 km (0.113 R)
• M4: 1,649,317 km (0.088 R)
• M5: 2,111,574 km (0.091 R)
• M6: 3,383,305 km (0.11 R)
• M7: 4,775,014 km (0.09 R)
• M8: 6,396,955 km (0.099 R)
• M9: 7,179,202 km (0.042 R)
• M10: 7,836,086 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.3

Radius: 8.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.07 AU - 3.45 AU

Year: 3165 Days

Day: 11.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,691,191 km

• M1: 106,962 km (0.059 R)
• M2: 411,095 km (0.103 R)
• M3: 701,016 km (0.077 R)
• M4: 1,189,303 km (0.059 R)
• M5: 2,422,438 km (0.097 R)
• M6: 3,985,437 km (0.117 R)
• M7: 4,431,239 km (0.104 R)
• M8: 4,859,088 km (0.083 R)
• M9: 7,002,826 km (0.107 R)
• M10: 7,815,890 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.4

Radius: 4.3

Gravity: 47.29 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.67 AU - 10.09 AU

Year: 18265 Days

Day: 16.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 89,691,191 km

• M1: 93,199 km (0.117 R)
• M2: 232,026 km (0.093 R)
• M3: 594,502 km (0.066 R)
• M4: 1,869,824 km (0.055 R)
• M5: 2,006,407 km (0.093 R)
• M6: 3,675,919 km (0.062 R)
• M7: 4,246,934 km (0.119 R)
• M8: 4,948,398 km (0.094 R)
• M9: 5,404,672 km (0.097 R)
• M10: 6,313,030 km (0.05 R)
• M11: 8,374,489 km (0.063 R)
• M12: 9,642,630 km (0.105 R)
• M13: 10,596,915 km (0.074 R)
• M14: 12,279,292 km (0.075 R)
• M15: 13,982,913 km (0.041 R)
• M16: 15,837,777 km (0.114 R)
• M17: 18,557,616 km (0.107 R)
• M18: 18,737,283 km (0.069 R)
• M19: 20,311,501 km (0.073 R)
• M20: 21,081,930 km (0.079 R)
• M21: 22,375,204 km (0.077 R)
• M22: 27,375,214 km (0.068 R)
• M23: 28,433,469 km (0.038 R)
• M24: 29,396,879 km (0.064 R)
• M25: 37,040,433 km (0.114 R)
• M26: 44,608,589 km (0.096 R)
• M27: 48,072,528 km (0.099 R)
• M28: 50,304,229 km (0.094 R)
• M29: 51,534,073 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.5

Radius: 7.2

Gravity: 18.01 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.39 AU - 10.67 AU

Year: 21926 Days

Day: 18.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,691,191 km

• M1: 95,294 km (0.084 R)
• M2: 357,090 km (0.106 R)
• M3: 955,482 km (0.108 R)
• M4: 1,953,000 km (0.082 R)
• M5: 2,185,625 km (0.04 R)
• M6: 3,398,116 km (0.113 R)
• M7: 3,768,969 km (0.068 R)
• M8: 5,738,425 km (0.091 R)
• M9: 7,670,182 km (0.097 R)
• M10: 8,309,115 km (0.069 R)
• M11: 12,186,243 km (0.094 R)
• M12: 22,601,097 km (0.097 R)
• M13: 27,891,925 km (0.109 R)
• M14: 28,263,227 km (0.097 R)
• M15: 30,560,302 km (0.055 R)
• M16: 31,219,729 km (0.084 R)
• M17: 35,667,274 km (0.091 R)
• M18: 39,890,123 km (0.108 R)
• M19: 43,267,743 km (0.115 R)
• M20: 46,483,649 km (0.089 R)
• M21: 51,880,093 km (0.098 R)
• M22: 55,505,448 km (0.098 R)
• M23: 66,283,974 km (0.09 R)
• M24: 67,166,602 km (0.099 R)
• M25: 74,273,996 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 13,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit