🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 14.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.97 AU - 3.21 AU

Year: 2877 Days

Day: 7.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,258,007 km

• M1: 186,997 km (0.114 R)
• M2: 752,178 km (0.103 R)
• M3: 1,321,248 km (0.087 R)
• M4: 1,983,369 km (0.084 R)
• M5: 2,747,365 km (0.074 R)
• M6: 4,160,616 km (0.092 R)
• M7: 5,239,516 km (0.087 R)
• M8: 6,065,894 km (0.12 R)
• M9: 6,576,322 km (0.089 R)
• M10: 8,499,553 km (0.061 R)
• M11: 8,977,368 km (0.084 R)
• M12: 9,882,735 km (0.086 R)
• M13: 14,842,353 km (0.108 R)
• M14: 16,157,019 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.8

Radius: 13.3

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.75 AU - 5.41 AU

Year: 6766 Days

Day: 7.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,258,007 km

• M1: 165,455 km (0.059 R)
• M2: 785,838 km (0.075 R)
• M3: 1,420,282 km (0.101 R)
• M4: 1,913,955 km (0.105 R)
• M5: 2,350,482 km (0.059 R)
• M6: 3,365,055 km (0.047 R)
• M7: 4,082,975 km (0.107 R)
• M8: 5,071,667 km (0.078 R)
• M9: 5,485,305 km (0.106 R)
• M10: 5,921,533 km (0.089 R)
• M11: 6,970,812 km (0.089 R)
• M12: 8,503,442 km (0.097 R)
• M13: 10,964,028 km (0.076 R)
• M14: 12,865,566 km (0.11 R)
• M15: 13,527,088 km (0.094 R)
• M16: 14,038,115 km (0.108 R)
• M17: 17,246,989 km (0.109 R)
• M18: 18,256,924 km (0.089 R)
• M19: 21,677,180 km (0.12 R)
• M20: 24,071,195 km (0.11 R)
• M21: 25,848,567 km (0.087 R)
• M22: 26,372,160 km (0.116 R)
• M23: 29,568,468 km (0.091 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.8

Radius: 5.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.33 AU - 8.21 AU

Year: 12159 Days

Day: 21.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,258,007 km

• M1: 72,256 km (0.116 R)
• M2: 648,656 km (0.1 R)
• M3: 975,977 km (0.07 R)
• M4: 1,574,069 km (0.114 R)
• M5: 1,875,359 km (0.09 R)
• M6: 2,152,713 km (0.092 R)
• M7: 2,456,995 km (0.051 R)
• M8: 3,632,087 km (0.058 R)
• M9: 4,607,016 km (0.093 R)
• M10: 4,976,672 km (0.069 R)
• M11: 8,719,910 km (0.045 R)
• M12: 9,080,740 km (0.114 R)
• M13: 9,285,540 km (0.089 R)
• M14: 11,842,616 km (0.106 R)
• M15: 13,151,298 km (0.107 R)
• M16: 14,833,975 km (0.114 R)
• M17: 16,777,700 km (0.08 R)
• M18: 17,210,786 km (0.064 R)
• M19: 17,714,781 km (0.097 R)
• M20: 18,034,771 km (0.089 R)
• M21: 21,162,115 km (0.104 R)
• M22: 21,886,767 km (0.117 R)
• M23: 22,778,071 km (0.115 R)
• M24: 23,232,699 km (0.078 R)
• M25: 25,678,475 km (0.084 R)
• M26: 26,419,433 km (0.056 R)
• M27: 26,921,184 km (0.114 R)
• M28: 30,339,346 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.2

Radius: 6

Gravity: 16.53 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.97 AU - 8.41 AU

Year: 14720 Days

Day: 20.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,258,007 km

• M1: 74,949 km (0.107 R)
• M2: 375,341 km (0.098 R)
• M3: 1,317,359 km (0.07 R)
• M4: 1,576,762 km (0.099 R)
• M5: 2,141,494 km (0.11 R)
• M6: 2,523,118 km (0.069 R)
• M7: 3,369,692 km (0.105 R)
• M8: 3,829,556 km (0.081 R)
• M9: 4,516,958 km (0.052 R)
• M10: 4,807,328 km (0.118 R)
• M11: 5,679,633 km (0.041 R)
• M12: 6,449,912 km (0.118 R)
• M13: 8,195,869 km (0.087 R)
• M14: 8,925,009 km (0.093 R)
• M15: 9,331,018 km (0.074 R)
• M16: 9,963,218 km (0.099 R)
• M17: 10,849,885 km (0.111 R)
• M18: 16,010,413 km (0.12 R)
• M19: 18,013,080 km (0.094 R)
• M20: 19,074,327 km (0.106 R)
• M21: 21,863,430 km (0.066 R)
• M22: 24,418,860 km (0.083 R)
• M23: 33,266,976 km (0.118 R)
• M24: 33,752,122 km (0.113 R)
• M25: 45,506,775 km (0.075 R)
• M26: 46,405,409 km (0.119 R)
• M27: 47,315,862 km (0.107 R)
• M28: 47,775,426 km (0.081 R)
• M29: 54,359,079 km (0.102 R)
• M30: 55,880,938 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.6

Radius: 5

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.72 AU - 11.54 AU

Year: 22255 Days

Day: 23 Hours

Environment

Temp: -241 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,258,007 km

• M1: 62,233 km (0.106 R)
• M2: 399,726 km (0.119 R)
• M3: 908,957 km (0.076 R)
• M4: 1,425,369 km (0.09 R)
• M5: 2,136,407 km (0.093 R)
• M6: 7,464,784 km (0.046 R)
• M7: 14,877,059 km (0.076 R)
• M8: 16,072,047 km (0.048 R)
• M9: 16,655,928 km (0.104 R)
• M10: 16,878,529 km (0.079 R)
• M11: 27,396,307 km (0.093 R)
• M12: 29,400,769 km (0.042 R)
• M13: 34,774,773 km (0.106 R)
• M14: 35,016,972 km (0.106 R)
• M15: 37,121,216 km (0.061 R)
• M16: 38,786,090 km (0.108 R)
• M17: 41,307,862 km (0.113 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: 261 - 15,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit