🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.8

Radius: 8.5

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.59 AU - 0.89 AU

Year: 411 Days

Day: 7.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,021,358 km

• M1: 105,915 km (0.098 R)
• M2: 384,167 km (0.12 R)
• M3: 687,851 km (0.034 R)
• M4: 1,055,413 km (0.057 R)
• M5: 1,335,460 km (0.052 R)
• M6: 1,638,545 km (0.09 R)
• M7: 2,350,931 km (0.113 R)
• M8: 3,212,016 km (0.071 R)
• M9: 3,873,238 km (0.09 R)
• M10: 4,229,730 km (0.1 R)
• M11: 4,820,043 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.6

Radius: 12.3

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.14 AU - 1.48 AU

Year: 968 Days

Day: 9.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,021,358 km

• M1: 157,078 km (0.093 R)
• M2: 542,292 km (0.107 R)
• M3: 961,914 km (0.117 R)
• M4: 1,639,293 km (0.038 R)
• M5: 2,319,365 km (0.12 R)
• M6: 3,107,148 km (0.081 R)
• M7: 3,753,859 km (0.074 R)
• M8: 4,154,183 km (0.069 R)
• M9: 4,759,606 km (0.111 R)
• M10: 5,749,944 km (0.103 R)
• M11: 6,727,416 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.7

Radius: 9.9

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.89 AU - 2.31 AU

Year: 1965 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,021,358 km

• M1: 123,269 km (0.089 R)
• M2: 473,328 km (0.075 R)
• M3: 784,042 km (0.108 R)
• M4: 1,325,288 km (0.105 R)
• M5: 1,834,668 km (0.116 R)
• M6: 2,483,624 km (0.104 R)
• M7: 2,854,926 km (0.079 R)
• M8: 3,760,890 km (0.117 R)
• M9: 4,496,014 km (0.073 R)
• M10: 5,113,106 km (0.118 R)
• M11: 6,155,504 km (0.114 R)
• M12: 6,790,098 km (0.085 R)
• M13: 8,656,481 km (0.115 R)
• M14: 9,869,271 km (0.115 R)
• M15: 10,297,719 km (0.063 R)
• M16: 11,016,088 km (0.098 R)
• M17: 11,988,325 km (0.089 R)
• M18: 12,938,720 km (0.089 R)
• M19: 13,412,347 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.6

Radius: 8.2

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.07 AU - 2.81 AU

Year: 2461 Days

Day: 10.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,021,358 km

• M1: 102,026 km (0.084 R)
• M2: 369,357 km (0.056 R)
• M3: 901,028 km (0.116 R)
• M4: 1,486,554 km (0.112 R)
• M5: 1,803,402 km (0.059 R)
• M6: 2,478,089 km (0.038 R)
• M7: 3,327,805 km (0.119 R)
• M8: 3,746,529 km (0.096 R)
• M9: 4,647,407 km (0.096 R)
• M10: 5,059,101 km (0.11 R)
• M11: 6,030,589 km (0.115 R)
• M12: 6,926,232 km (0.093 R)
• M13: 10,653,313 km (0.103 R)
• M14: 10,951,312 km (0.114 R)
• M15: 11,292,994 km (0.029 R)
• M16: 14,697,542 km (0.114 R)
• M17: 15,537,684 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535

Radius: 12.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.28 AU - 3.7 AU

Year: 3338 Days

Day: 7.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,021,358 km

• M1: 155,731 km (0.102 R)
• M2: 561,291 km (0.105 R)
• M3: 1,285,345 km (0.118 R)
• M4: 1,706,613 km (0.071 R)
• M5: 3,019,035 km (0.093 R)
• M6: 4,642,172 km (0.104 R)
• M7: 5,378,043 km (0.105 R)
• M8: 6,081,153 km (0.107 R)
• M9: 7,639,066 km (0.092 R)
• M10: 8,874,744 km (0.085 R)
• M11: 9,266,691 km (0.112 R)
• M12: 12,169,188 km (0.117 R)
• M13: 14,427,817 km (0.098 R)
• M14: 15,071,237 km (0.107 R)
• M15: 16,898,875 km (0.093 R)
• M16: 17,447,300 km (0.058 R)
• M17: 19,163,786 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.1

Radius: 8.1

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.09 AU - 4.81 AU

Year: 5069 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,021,358 km

• M1: 100,679 km (0.04 R)
• M2: 372,947 km (0.117 R)
• M3: 1,297,313 km (0.056 R)
• M4: 3,774,803 km (0.045 R)
• M5: 4,162,561 km (0.113 R)
• M6: 5,017,662 km (0.096 R)
• M7: 5,487,100 km (0.111 R)
• M8: 5,776,572 km (0.04 R)
• M9: 6,076,217 km (0.076 R)
• M10: 6,577,519 km (0.116 R)
• M11: 7,072,090 km (0.042 R)
• M12: 8,210,081 km (0.037 R)
• M13: 8,705,698 km (0.074 R)
• M14: 9,100,338 km (0.111 R)
• M15: 10,096,360 km (0.088 R)
• M16: 11,488,219 km (0.101 R)
• M17: 14,592,674 km (0.076 R)
• M18: 17,961,319 km (0.04 R)
• M19: 21,102,575 km (0.092 R)
• M20: 28,794,000 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.5

Radius: 12.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.48 AU - 4.96 AU

Year: 6621 Days

Day: 13.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,021,358 km

• M1: 154,235 km (0.108 R)
• M2: 574,905 km (0.11 R)
• M3: 979,866 km (0.098 R)
• M4: 1,494,782 km (0.061 R)
• M5: 1,949,260 km (0.115 R)
• M6: 2,695,305 km (0.083 R)
• M7: 3,318,829 km (0.07 R)
• M8: 3,772,260 km (0.12 R)
• M9: 4,959,319 km (0.032 R)
• M10: 6,474,596 km (0.043 R)
• M11: 7,458,800 km (0.06 R)
• M12: 8,653,788 km (0.115 R)
• M13: 10,702,232 km (0.027 R)
• M14: 13,258,111 km (0.036 R)
• M15: 13,876,998 km (0.105 R)
• M16: 15,396,463 km (0.1 R)
• M17: 17,024,088 km (0.059 R)
• M18: 17,570,868 km (0.116 R)
• M19: 18,318,110 km (0.095 R)
• M20: 20,824,622 km (0.091 R)
• M21: 21,380,228 km (0.057 R)
• M22: 21,803,291 km (0.081 R)
• M23: 23,551,941 km (0.082 R)
• M24: 27,161,737 km (0.096 R)
• M25: 28,329,798 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.5

Radius: 3.5

Gravity: 80.53 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.8 AU - 8.56 AU

Year: 13742 Days

Day: 16.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 44,021,358 km

• M1: 43,533 km (0.106 R)
• M2: 200,760 km (0.081 R)
• M3: 708,047 km (0.113 R)
• M4: 1,152,203 km (0.051 R)
• M5: 1,403,976 km (0.082 R)
• M6: 1,812,977 km (0.103 R)
• M7: 1,940,584 km (0.102 R)
• M8: 2,173,507 km (0.098 R)
• M9: 2,402,991 km (0.106 R)
• M10: 2,625,443 km (0.093 R)
• M11: 3,294,893 km (0.054 R)
• M12: 3,485,630 km (0.095 R)
• M13: 3,919,015 km (0.117 R)
• M14: 6,425,229 km (0.027 R)
• M15: 6,551,788 km (0.118 R)
• M16: 7,958,308 km (0.092 R)
• M17: 8,451,681 km (0.106 R)
• M18: 9,229,889 km (0.096 R)
• M19: 9,391,006 km (0.079 R)
• M20: 9,718,925 km (0.076 R)
• M21: 9,885,726 km (0.097 R)
• M22: 10,455,545 km (0.088 R)
• M23: 10,867,388 km (0.078 R)
• M24: 11,660,556 km (0.103 R)
• M25: 14,128,023 km (0.1 R)
• M26: 15,672,621 km (0.056 R)
• M27: 17,244,895 km (0.087 R)
• M28: 17,489,487 km (0.104 R)
• M29: 17,902,228 km (0.1 R)
• M30: 19,354,075 km (0.103 R)
• M31: 19,706,827 km (0.053 R)
• M32: 20,607,256 km (0.077 R)
• M33: 22,104,581 km (0.089 R)
• M34: 27,802,764 km (0.102 R)
• M35: 28,477,899 km (0.073 R)
• M36: 31,409,120 km (0.079 R)
• M37: 36,775,345 km (0.1 R)
• M38: 41,835,194 km (0.099 R)
• M39: 45,454,116 km (0.082 R)
• M40: 46,076,892 km (0.059 R)
• M41: 50,763,045 km (0.114 R)
• M42: 55,934,793 km (0.096 R)
• M43: 65,118,158 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.6

Radius: 5.4

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.86 AU - 11.7 AU

Year: 22853 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,021,358 km

• M1: 165,904 km (0.085 R)
• M2: 413,489 km (0.115 R)
• M3: 616,044 km (0.116 R)
• M4: 848,669 km (0.055 R)
• M5: 1,440,927 km (0.084 R)
• M6: 2,000,572 km (0.066 R)
• M7: 2,366,489 km (0.105 R)
• M8: 5,694,293 km (0.087 R)
• M9: 5,897,746 km (0.087 R)
• M10: 6,500,476 km (0.094 R)
• M11: 9,752,435 km (0.118 R)
• M12: 11,752,259 km (0.066 R)
• M13: 12,362,319 km (0.1 R)
• M14: 13,346,224 km (0.078 R)
• M15: 17,806,335 km (0.113 R)
• M16: 23,599,662 km (0.105 R)
• M17: 27,539,622 km (0.072 R)
• M18: 29,311,608 km (0.118 R)
• M19: 30,122,878 km (0.104 R)
• M20: 32,646,743 km (0.095 R)
• M21: 33,408,645 km (0.115 R)
• M22: 35,536,226 km (0.072 R)
• M23: 37,160,560 km (0.052 R)
• M24: 38,230,484 km (0.062 R)
• M25: 38,833,662 km (0.111 R)
• M26: 43,626,928 km (0.088 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 16,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit