🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367

Radius: 14.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.88 AU - 1.18 AU

Year: 665 Days

Day: 11.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,222,634 km

• M1: 179,069 km (0.105 R)
• M2: 704,307 km (0.07 R)
• M3: 1,246,300 km (0.084 R)
• M4: 1,753,885 km (0.077 R)
• M5: 2,535,385 km (0.071 R)
• M6: 3,002,579 km (0.093 R)
• M7: 3,898,521 km (0.099 R)
• M8: 4,615,244 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.3

Radius: 9.7

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.02 AU - 1.56 AU

Year: 932 Days

Day: 7.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,222,634 km

• M1: 120,725 km (0.111 R)
• M2: 513,869 km (0.094 R)
• M3: 848,968 km (0.103 R)
• M4: 1,200,972 km (0.12 R)
• M5: 2,009,099 km (0.093 R)
• M6: 2,509,205 km (0.097 R)
• M7: 4,234,817 km (0.075 R)
• M8: 4,539,099 km (0.084 R)
• M9: 5,210,793 km (0.057 R)
• M10: 5,680,979 km (0.075 R)
• M11: 6,549,544 km (0.076 R)
• M12: 7,121,307 km (0.114 R)
• M13: 7,775,649 km (0.088 R)
• M14: 8,156,226 km (0.118 R)
• M15: 9,148,359 km (0.092 R)
• M16: 9,659,235 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 11.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.32 AU - 1.4 AU

Year: 1008 Days

Day: 7.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,222,634 km

• M1: 140,921 km (0.094 R)
• M2: 505,641 km (0.115 R)
• M3: 1,172,847 km (0.082 R)
• M4: 3,188,529 km (0.032 R)
• M5: 6,491,949 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.7

Radius: 12.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.92 AU - 2.72 AU

Year: 2247 Days

Day: 13.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,222,634 km

• M1: 152,889 km (0.101 R)
• M2: 554,559 km (0.068 R)
• M3: 1,214,735 km (0.111 R)
• M4: 1,677,890 km (0.094 R)
• M5: 2,454,751 km (0.119 R)
• M6: 3,144,547 km (0.109 R)
• M7: 3,703,445 km (0.062 R)
• M8: 4,092,848 km (0.038 R)
• M9: 4,824,980 km (0.094 R)
• M10: 5,406,617 km (0.106 R)
• M11: 6,135,607 km (0.093 R)
• M12: 8,623,719 km (0.057 R)
• M13: 10,616,512 km (0.049 R)
• M14: 11,026,560 km (0.093 R)
• M15: 11,524,870 km (0.067 R)
• M16: 12,038,141 km (0.029 R)
• M17: 12,899,525 km (0.116 R)
• M18: 14,699,337 km (0.089 R)
• M19: 15,492,655 km (0.117 R)
• M20: 16,561,531 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.3

Radius: 11.5

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.18 AU - 3.4 AU

Year: 3794 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,222,634 km

• M1: 190,737 km (0.081 R)
• M2: 782,397 km (0.088 R)
• M3: 1,489,247 km (0.094 R)
• M4: 2,363,048 km (0.111 R)
• M5: 2,734,350 km (0.045 R)
• M6: 3,461,096 km (0.102 R)
• M7: 3,894,781 km (0.087 R)
• M8: 4,382,021 km (0.117 R)
• M9: 5,121,034 km (0.064 R)
• M10: 5,984,364 km (0.054 R)
• M11: 8,158,769 km (0.115 R)
• M12: 9,482,859 km (0.102 R)
• M13: 10,211,850 km (0.06 R)
• M14: 10,945,328 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.3

Radius: 6.6

Gravity: 21.38 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.36 AU - 6.84 AU

Year: 10781 Days

Day: 20.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,222,634 km

• M1: 82,877 km (0.119 R)
• M2: 787,184 km (0.095 R)
• M3: 1,455,886 km (0.044 R)
• M4: 2,639,954 km (0.063 R)
• M5: 2,951,865 km (0.066 R)
• M6: 5,723,465 km (0.07 R)
• M7: 10,460,631 km (0.069 R)
• M8: 12,798,098 km (0.081 R)
• M9: 14,902,491 km (0.101 R)
• M10: 15,533,495 km (0.11 R)
• M11: 17,151,097 km (0.115 R)
• M12: 19,616,170 km (0.048 R)
• M13: 22,127,320 km (0.09 R)
• M14: 22,948,313 km (0.092 R)
• M15: 40,586,800 km (0.113 R)
• M16: 43,350,770 km (0.105 R)
• M17: 46,090,356 km (0.097 R)
• M18: 46,385,213 km (0.096 R)
• M19: 49,713,018 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667

Radius: 6

Gravity: 18.53 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.36 AU - 10.1 AU

Year: 16400 Days

Day: 23.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,222,634 km

• M1: 81,531 km (0.114 R)
• M2: 288,574 km (0.073 R)
• M3: 534,513 km (0.09 R)
• M4: 1,247,945 km (0.06 R)
• M5: 2,117,857 km (0.083 R)
• M6: 2,424,832 km (0.058 R)
• M7: 2,761,128 km (0.07 R)
• M8: 3,231,464 km (0.041 R)
• M9: 3,899,867 km (0.109 R)
• M10: 4,204,149 km (0.117 R)
• M11: 4,491,377 km (0.101 R)
• M12: 5,321,795 km (0.083 R)
• M13: 5,734,984 km (0.085 R)
• M14: 6,250,349 km (0.082 R)
• M15: 6,582,606 km (0.064 R)
• M16: 9,679,281 km (0.043 R)
• M17: 10,180,733 km (0.06 R)
• M18: 12,621,273 km (0.035 R)
• M19: 14,401,338 km (0.091 R)
• M20: 15,879,814 km (0.107 R)
• M21: 18,366,879 km (0.117 R)
• M22: 18,790,989 km (0.076 R)
• M23: 20,917,821 km (0.114 R)
• M24: 21,849,667 km (0.033 R)
• M25: 22,518,070 km (0.049 R)
• M26: 23,397,556 km (0.099 R)
• M27: 32,367,145 km (0.063 R)
• M28: 37,947,445 km (0.106 R)
• M29: 40,462,185 km (0.074 R)
• M30: 41,324,467 km (0.098 R)
• M31: 42,640,928 km (0.093 R)
• M32: 46,287,526 km (0.118 R)
• M33: 46,914,790 km (0.028 R)
• M34: 48,507,858 km (0.082 R)
• M35: 51,131,206 km (0.117 R)
• M36: 55,593,411 km (0.105 R)
• M37: 57,737,747 km (0.093 R)
• M38: 65,282,865 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.6

Radius: 7.6

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.65 AU - 12.27 AU

Year: 19986 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,222,634 km

• M1: 94,546 km (0.073 R)
• M2: 402,568 km (0.107 R)
• M3: 672,143 km (0.107 R)
• M4: 1,005,896 km (0.112 R)
• M5: 1,246,449 km (0.066 R)
• M6: 1,494,483 km (0.063 R)
• M7: 1,776,026 km (0.12 R)
• M8: 3,040,726 km (0.119 R)
• M9: 3,756,103 km (0.031 R)
• M10: 4,411,940 km (0.039 R)
• M11: 6,071,280 km (0.1 R)
• M12: 7,246,072 km (0.118 R)
• M13: 7,765,625 km (0.072 R)
• M14: 8,985,596 km (0.102 R)
• M15: 9,364,228 km (0.081 R)
• M16: 10,328,237 km (0.085 R)
• M17: 14,481,074 km (0.084 R)
• M18: 15,845,556 km (0.094 R)
• M19: 17,046,378 km (0.07 R)
• M20: 18,220,871 km (0.086 R)
• M21: 22,067,182 km (0.117 R)
• M22: 24,912,085 km (0.12 R)
• M23: 26,753,784 km (0.094 R)
• M24: 28,336,978 km (0.114 R)
• M25: 31,689,317 km (0.085 R)
• M26: 32,947,884 km (0.036 R)
• M27: 35,833,477 km (0.097 R)
• M28: 38,599,243 km (0.117 R)
• M29: 46,932,592 km (0.079 R)
• M30: 55,300,648 km (0.039 R)
• M31: 60,310,980 km (0.119 R)
• M32: 61,463,931 km (0.072 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: 353 - 17,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit