🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.9

Radius: 11.4

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.5 AU - 0.54 AU

Year: 259 Days

Day: 10.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,227,613 km

• M1: 141,819 km (0.072 R)
• M2: 653,294 km (0.079 R)
• M3: 1,026,541 km (0.112 R)
• M4: 1,426,416 km (0.109 R)
• M5: 1,901,389 km (0.09 R)
• M6: 2,458,940 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.1

Radius: 13.1

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.47 AU - 0.69 AU

Year: 305 Days

Day: 9.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,227,613 km

• M1: 163,211 km (0.066 R)
• M2: 721,211 km (0.114 R)
• M3: 1,165,218 km (0.108 R)
• M4: 1,693,747 km (0.079 R)
• M5: 2,122,495 km (0.089 R)
• M6: 2,652,819 km (0.104 R)
• M7: 3,142,154 km (0.096 R)
• M8: 3,897,025 km (0.087 R)
• M9: 4,755,716 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.9

Radius: 13.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 6.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,227,613 km

• M1: 166,054 km (0.067 R)
• M2: 585,227 km (0.055 R)
• M3: 1,144,424 km (0.058 R)
• M4: 1,715,588 km (0.045 R)
• M5: 2,316,224 km (0.049 R)
• M6: 2,776,836 km (0.095 R)
• M7: 3,447,782 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.4

Radius: 8.1

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.13 AU - 1.25 AU

Year: 896 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,227,613 km

• M1: 100,679 km (0.075 R)
• M2: 368,609 km (0.072 R)
• M3: 633,098 km (0.091 R)
• M4: 935,136 km (0.11 R)
• M5: 1,348,326 km (0.099 R)
• M6: 1,688,212 km (0.103 R)
• M7: 2,114,267 km (0.097 R)
• M8: 2,487,663 km (0.084 R)
• M9: 2,760,679 km (0.103 R)
• M10: 3,104,455 km (0.116 R)
• M11: 3,421,752 km (0.105 R)
• M12: 4,029,568 km (0.071 R)
• M13: 4,707,247 km (0.069 R)
• M14: 5,020,056 km (0.118 R)
• M15: 6,123,639 km (0.073 R)
• M16: 7,661,206 km (0.077 R)
• M17: 8,292,958 km (0.117 R)
• M18: 8,672,937 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.4

Radius: 5.1

Gravity: 28.39 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.37 AU - 7.29 AU

Year: 12321 Days

Day: 20.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,227,613 km

• M1: 63,878 km (0.071 R)
• M2: 355,594 km (0.105 R)
• M3: 1,101,489 km (0.076 R)
• M4: 1,526,646 km (0.111 R)
• M5: 2,184,578 km (0.1 R)
• M6: 3,620,418 km (0.094 R)
• M7: 3,952,077 km (0.071 R)
• M8: 4,739,709 km (0.109 R)
• M9: 4,935,383 km (0.071 R)
• M10: 5,555,167 km (0.101 R)
• M11: 7,243,828 km (0.116 R)
• M12: 14,578,312 km (0.092 R)
• M13: 17,032,765 km (0.087 R)
• M14: 21,564,234 km (0.088 R)
• M15: 34,835,360 km (0.062 R)
• M16: 35,825,249 km (0.103 R)
• M17: 37,345,014 km (0.114 R)
• M18: 50,607,613 km (0.055 R)
• M19: 53,166,485 km (0.114 R)
• M20: 53,492,159 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455

Radius: 6.9

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.64 AU - 7.88 AU

Year: 13503 Days

Day: 21.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,227,613 km

• M1: 92,152 km (0.077 R)
• M2: 319,092 km (0.082 R)
• M3: 826,827 km (0.104 R)
• M4: 1,205,460 km (0.061 R)
• M5: 1,902,137 km (0.059 R)
• M6: 3,019,334 km (0.085 R)
• M7: 6,772,445 km (0.063 R)
• M8: 8,251,968 km (0.055 R)
• M9: 9,188,002 km (0.075 R)
• M10: 12,183,251 km (0.115 R)
• M11: 14,158,092 km (0.067 R)
• M12: 20,338,579 km (0.068 R)
• M13: 22,831,627 km (0.028 R)
• M14: 24,853,741 km (0.095 R)
• M15: 25,138,426 km (0.076 R)
• M16: 33,905,609 km (0.12 R)
• M17: 40,323,807 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.9

Radius: 5

Gravity: 34.52 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.67 AU - 9.75 AU

Year: 19293 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 80,227,613 km

• M1: 116,836 km (0.108 R)
• M2: 327,320 km (0.08 R)
• M3: 514,317 km (0.104 R)
• M4: 762,949 km (0.111 R)
• M5: 1,050,327 km (0.117 R)
• M6: 1,284,896 km (0.069 R)
• M7: 2,058,018 km (0.11 R)
• M8: 2,270,297 km (0.088 R)
• M9: 3,213,063 km (0.072 R)
• M10: 3,411,579 km (0.109 R)
• M11: 4,189,040 km (0.091 R)
• M12: 4,566,026 km (0.098 R)
• M13: 6,844,551 km (0.099 R)
• M14: 7,416,015 km (0.107 R)
• M15: 10,948,320 km (0.088 R)
• M16: 13,399,631 km (0.107 R)
• M17: 14,986,565 km (0.077 R)
• M18: 17,291,419 km (0.115 R)
• M19: 17,902,527 km (0.034 R)
• M20: 20,782,884 km (0.1 R)
• M21: 23,214,298 km (0.094 R)
• M22: 24,607,354 km (0.069 R)
• M23: 26,511,884 km (0.083 R)
• M24: 27,795,284 km (0.091 R)
• M25: 29,487,835 km (0.088 R)
• M26: 31,504,863 km (0.102 R)
• M27: 33,881,973 km (0.098 R)
• M28: 37,667,547 km (0.116 R)
• M29: 38,251,428 km (0.034 R)
• M30: 40,342,058 km (0.115 R)
• M31: 42,981,712 km (0.084 R)
• M32: 48,430,067 km (0.089 R)
• M33: 49,642,109 km (0.114 R)
• M34: 52,126,630 km (0.102 R)
• M35: 54,879,081 km (0.044 R)
• M36: 55,253,375 km (0.092 R)
• M37: 62,282,680 km (0.088 R)
• M38: 68,794,077 km (0.118 R)
• M39: 70,104,554 km (0.042 R)
• M40: 70,324,613 km (0.077 R)
• M41: 71,877,738 km (0.11 R)
• M42: 79,508,276 km (0.08 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: 222 - 10,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit