🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.1

Radius: 13

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.55 AU - 0.59 AU

Year: 287 Days

Day: 12.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,009,734 km

• M1: 161,715 km (0.047 R)
• M2: 577,448 km (0.037 R)
• M3: 984,504 km (0.095 R)
• M4: 1,474,137 km (0.077 R)
• M5: 1,939,686 km (0.104 R)
• M6: 2,660,000 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 9.7

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.95 AU - 1.41 AU

Year: 855 Days

Day: 12.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,009,734 km

• M1: 120,576 km (0.083 R)
• M2: 558,150 km (0.106 R)
• M3: 876,644 km (0.047 R)
• M4: 1,335,311 km (0.118 R)
• M5: 1,714,840 km (0.067 R)
• M6: 2,036,625 km (0.099 R)
• M7: 2,344,498 km (0.029 R)
• M8: 2,828,597 km (0.095 R)
• M9: 3,434,169 km (0.094 R)
• M10: 4,123,965 km (0.058 R)
• M11: 4,656,383 km (0.112 R)
• M12: 5,366,524 km (0.053 R)
• M13: 5,777,919 km (0.083 R)
• M14: 6,359,106 km (0.066 R)
• M15: 6,752,997 km (0.093 R)
• M16: 7,958,308 km (0.115 R)
• M17: 9,054,112 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.1

Radius: 10.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.79 AU - 2.43 AU

Year: 2044 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,009,734 km

• M1: 134,339 km (0.098 R)
• M2: 495,618 km (0.117 R)
• M3: 944,711 km (0.117 R)
• M4: 1,396,646 km (0.034 R)
• M5: 1,924,726 km (0.101 R)
• M6: 3,178,057 km (0.057 R)
• M7: 4,404,311 km (0.111 R)
• M8: 4,932,391 km (0.115 R)
• M9: 6,189,313 km (0.111 R)
• M10: 6,985,921 km (0.116 R)
• M11: 7,339,870 km (0.093 R)
• M12: 7,734,360 km (0.098 R)
• M13: 8,413,235 km (0.072 R)
• M14: 9,822,297 km (0.119 R)
• M15: 11,050,944 km (0.108 R)
• M16: 13,225,798 km (0.08 R)
• M17: 14,283,455 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246

Radius: 13.6

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.75 AU - 2.83 AU

Year: 2311 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,009,734 km

• M1: 170,841 km (0.073 R)
• M2: 721,361 km (0.072 R)
• M3: 1,322,894 km (0.051 R)
• M4: 1,819,110 km (0.107 R)
• M5: 3,260,186 km (0.049 R)
• M6: 3,792,605 km (0.087 R)
• M7: 4,511,872 km (0.11 R)
• M8: 4,954,233 km (0.094 R)
• M9: 5,467,952 km (0.115 R)
• M10: 6,387,979 km (0.052 R)
• M11: 7,175,611 km (0.1 R)
• M12: 8,278,597 km (0.107 R)
• M13: 8,797,402 km (0.12 R)
• M14: 9,741,664 km (0.088 R)
• M15: 10,685,327 km (0.101 R)
• M16: 11,127,688 km (0.063 R)
• M17: 11,940,453 km (0.114 R)
• M18: 12,792,413 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 10.8

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.41 AU - 2.51 AU

Year: 2573 Days

Day: 12 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,009,734 km

• M1: 134,339 km (0.091 R)
• M2: 528,230 km (0.09 R)
• M3: 962,513 km (0.074 R)
• M4: 2,135,360 km (0.098 R)
• M5: 2,542,715 km (0.119 R)
• M6: 3,183,592 km (0.056 R)
• M7: 4,027,773 km (0.047 R)
• M8: 4,460,111 km (0.092 R)
• M9: 4,991,931 km (0.11 R)
• M10: 7,342,413 km (0.105 R)
• M11: 7,958,158 km (0.069 R)
• M12: 9,083,732 km (0.117 R)
• M13: 10,387,927 km (0.119 R)
• M14: 11,085,053 km (0.076 R)
• M15: 12,920,618 km (0.063 R)
• M16: 13,364,475 km (0.098 R)
• M17: 14,471,649 km (0.084 R)
• M18: 14,902,192 km (0.101 R)
• M19: 15,990,816 km (0.087 R)
• M20: 17,238,013 km (0.108 R)
• M21: 18,270,388 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.6

Radius: 8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.63 AU - 8.07 AU

Year: 11955 Days

Day: 15.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,009,734 km

• M1: 100,231 km (0.109 R)
• M2: 1,253,929 km (0.108 R)
• M3: 1,627,326 km (0.069 R)
• M4: 2,178,295 km (0.035 R)
• M5: 2,480,931 km (0.059 R)
• M6: 3,035,341 km (0.063 R)
• M7: 3,540,533 km (0.054 R)
• M8: 4,267,578 km (0.075 R)
• M9: 4,589,962 km (0.062 R)
• M10: 8,382,866 km (0.039 R)
• M11: 8,969,589 km (0.084 R)
• M12: 11,498,840 km (0.078 R)
• M13: 17,097,840 km (0.092 R)
• M14: 19,217,642 km (0.08 R)
• M15: 19,756,792 km (0.095 R)
• M16: 20,236,702 km (0.119 R)
• M17: 28,314,688 km (0.102 R)
• M18: 29,277,500 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.9

Radius: 6.9

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.23 AU - 7.59 AU

Year: 13451 Days

Day: 20.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,009,734 km

• M1: 85,869 km (0.072 R)
• M2: 483,351 km (0.069 R)
• M3: 785,239 km (0.086 R)
• M4: 1,138,290 km (0.082 R)
• M5: 1,462,469 km (0.056 R)
• M6: 2,109,330 km (0.119 R)
• M7: 2,336,719 km (0.061 R)
• M8: 2,864,051 km (0.11 R)
• M9: 3,651,235 km (0.063 R)
• M10: 4,330,559 km (0.118 R)
• M11: 5,294,269 km (0.12 R)
• M12: 6,124,836 km (0.093 R)
• M13: 6,915,012 km (0.098 R)
• M14: 7,377,569 km (0.11 R)
• M15: 8,225,041 km (0.095 R)
• M16: 8,889,704 km (0.032 R)
• M17: 9,538,659 km (0.108 R)
• M18: 12,760,399 km (0.119 R)
• M19: 13,715,432 km (0.062 R)
• M20: 14,378,001 km (0.084 R)
• M21: 16,567,815 km (0.094 R)
• M22: 18,648,272 km (0.117 R)
• M23: 22,765,954 km (0.084 R)
• M24: 33,447,690 km (0.071 R)
• M25: 33,923,711 km (0.099 R)
• M26: 34,646,268 km (0.04 R)
• M27: 36,875,277 km (0.086 R)
• M28: 37,511,068 km (0.064 R)
• M29: 38,543,443 km (0.096 R)
• M30: 42,029,372 km (0.108 R)
• M31: 47,793,827 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.2

Radius: 8

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.34 AU - 9.74 AU

Year: 16642 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 76,009,734 km

• M1: 102,475 km (0.084 R)
• M2: 459,415 km (0.119 R)
• M3: 1,084,585 km (0.115 R)
• M4: 1,801,906 km (0.053 R)
• M5: 2,494,844 km (0.059 R)
• M6: 2,877,365 km (0.118 R)
• M7: 3,354,134 km (0.102 R)
• M8: 3,760,591 km (0.101 R)
• M9: 5,525,098 km (0.041 R)
• M10: 5,968,057 km (0.1 R)
• M11: 6,304,952 km (0.066 R)
• M12: 7,062,964 km (0.062 R)
• M13: 8,081,726 km (0.106 R)
• M14: 9,760,064 km (0.102 R)
• M15: 11,084,005 km (0.059 R)
• M16: 12,660,318 km (0.108 R)
• M17: 15,219,040 km (0.101 R)
• M18: 15,531,849 km (0.064 R)
• M19: 17,076,747 km (0.119 R)
• M20: 18,900,345 km (0.102 R)
• M21: 21,824,385 km (0.095 R)
• M22: 22,423,075 km (0.068 R)
• M23: 24,391,783 km (0.049 R)
• M24: 25,145,308 km (0.117 R)
• M25: 26,698,582 km (0.037 R)
• M26: 29,995,420 km (0.1 R)
• M27: 32,124,198 km (0.086 R)
• M28: 32,639,263 km (0.12 R)
• M29: 33,553,905 km (0.105 R)
• M30: 39,111,466 km (0.104 R)
• M31: 46,882,626 km (0.063 R)
• M32: 49,742,638 km (0.112 R)
• M33: 53,794,497 km (0.107 R)
• M34: 55,438,129 km (0.088 R)
• M35: 58,633,539 km (0.055 R)
• M36: 59,402,921 km (0.089 R)
• M37: 61,949,675 km (0.119 R)
• M38: 62,747,780 km (0.088 R)
• M39: 65,183,083 km (0.085 R)
• M40: 71,109,104 km (0.086 R)
• M41: 75,782,242 km (0.064 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: 221 - 11,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit