🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.1

Radius: 11.3

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.56 AU - 0.66 AU

Year: 329 Days

Day: 14.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,767,770 km

• M1: 140,472 km (0.111 R)
• M2: 520,002 km (0.088 R)
• M3: 928,554 km (0.093 R)
• M4: 1,431,352 km (0.034 R)
• M5: 2,012,690 km (0.05 R)
• M6: 2,955,904 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.5

Radius: 13.8

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.5 AU - 0.78 AU

Year: 353 Days

Day: 9 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,767,770 km

• M1: 171,589 km (0.09 R)
• M2: 604,824 km (0.112 R)
• M3: 1,094,907 km (0.048 R)
• M4: 1,593,367 km (0.066 R)
• M5: 2,333,128 km (0.114 R)
• M6: 3,001,532 km (0.086 R)
• M7: 3,559,831 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.3

Radius: 10.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.78 AU - 1.23 AU

Year: 690 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,767,770 km

• M1: 135,685 km (0.081 R)
• M2: 493,523 km (0.112 R)
• M3: 872,305 km (0.076 R)
• M4: 1,536,819 km (0.029 R)
• M5: 1,881,941 km (0.046 R)
• M6: 2,565,155 km (0.112 R)
• M7: 2,987,918 km (0.097 R)
• M8: 3,716,460 km (0.112 R)
• M9: 4,158,970 km (0.066 R)
• M10: 4,985,798 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.7

Radius: 11.4

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.02 AU - 2.04 AU

Year: 1996 Days

Day: 12.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,767,770 km

• M1: 147,504 km (0.107 R)
• M2: 2,124,290 km (0.031 R)
• M3: 2,693,360 km (0.055 R)
• M4: 3,132,879 km (0.104 R)
• M5: 4,726,844 km (0.12 R)
• M6: 6,096,712 km (0.118 R)
• M7: 7,834,740 km (0.079 R)
• M8: 9,811,676 km (0.09 R)
• M9: 12,181,904 km (0.096 R)
• M10: 16,541,635 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 8.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.68 AU - 3.24 AU

Year: 3515 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,767,770 km

• M1: 116,238 km (0.068 R)
• M2: 1,365,529 km (0.025 R)
• M3: 2,278,376 km (0.118 R)
• M4: 3,258,242 km (0.075 R)
• M5: 3,713,468 km (0.093 R)
• M6: 3,995,011 km (0.057 R)
• M7: 6,073,225 km (0.12 R)
• M8: 6,573,031 km (0.103 R)
• M9: 7,988,975 km (0.063 R)
• M10: 11,929,533 km (0.102 R)
• M11: 12,462,400 km (0.082 R)
• M12: 15,320,318 km (0.064 R)
• M13: 16,296,294 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.9

Radius: 13.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.46 AU - 3.5 AU

Year: 4481 Days

Day: 9 Hours

Environment

Temp: -209 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,767,770 km

• M1: 166,652 km (0.073 R)
• M2: 639,980 km (0.041 R)
• M3: 1,215,333 km (0.111 R)
• M4: 1,764,357 km (0.07 R)
• M5: 3,129,438 km (0.082 R)
• M6: 3,676,816 km (0.071 R)
• M7: 4,801,344 km (0.11 R)
• M8: 5,456,732 km (0.092 R)
• M9: 6,116,159 km (0.089 R)
• M10: 6,739,982 km (0.091 R)
• M11: 7,658,813 km (0.101 R)
• M12: 8,418,471 km (0.107 R)
• M13: 8,940,717 km (0.118 R)
• M14: 9,521,306 km (0.077 R)
• M15: 10,282,610 km (0.113 R)
• M16: 11,125,145 km (0.118 R)
• M17: 11,797,587 km (0.12 R)
• M18: 14,514,434 km (0.101 R)
• M19: 16,795,054 km (0.069 R)
• M20: 17,289,475 km (0.052 R)
• M21: 17,793,620 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.8

Radius: 12.9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.41 AU - 6.55 AU

Year: 8855 Days

Day: 7.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,767,770 km

• M1: 166,203 km (0.082 R)
• M2: 582,833 km (0.117 R)
• M3: 1,137,542 km (0.113 R)
• M4: 1,770,790 km (0.113 R)
• M5: 2,254,141 km (0.091 R)
• M6: 3,072,291 km (0.074 R)
• M7: 3,901,961 km (0.105 R)
• M8: 5,358,446 km (0.105 R)
• M9: 9,044,238 km (0.036 R)
• M10: 10,059,410 km (0.063 R)
• M11: 11,355,675 km (0.086 R)
• M12: 12,261,490 km (0.04 R)
• M13: 13,446,305 km (0.086 R)
• M14: 14,521,465 km (0.041 R)
• M15: 15,847,202 km (0.101 R)
• M16: 17,668,556 km (0.071 R)
• M17: 22,209,001 km (0.079 R)
• M18: 25,188,691 km (0.086 R)
• M19: 27,379,701 km (0.112 R)
• M20: 29,202,252 km (0.12 R)
• M21: 36,731,064 km (0.116 R)
• M22: 38,590,267 km (0.082 R)
• M23: 41,248,022 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611

Radius: 6.7

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.64 AU - 7.4 AU

Year: 10195 Days

Day: 15.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,767,770 km

• M1: 98,585 km (0.105 R)
• M2: 600,785 km (0.098 R)
• M3: 847,921 km (0.073 R)
• M4: 1,394,103 km (0.062 R)
• M5: 2,118,156 km (0.076 R)
• M6: 3,515,400 km (0.072 R)
• M7: 4,391,894 km (0.096 R)
• M8: 4,804,784 km (0.105 R)
• M9: 6,092,074 km (0.119 R)
• M10: 6,345,493 km (0.052 R)
• M11: 8,233,119 km (0.114 R)
• M12: 9,616,899 km (0.098 R)
• M13: 12,896,384 km (0.063 R)
• M14: 13,557,905 km (0.099 R)
• M15: 16,018,042 km (0.114 R)
• M16: 19,766,516 km (0.1 R)
• M17: 20,003,778 km (0.108 R)
• M18: 24,241,288 km (0.046 R)
• M19: 30,175,536 km (0.113 R)
• M20: 32,533,199 km (0.082 R)
• M21: 34,895,798 km (0.118 R)
• M22: 38,588,621 km (0.066 R)
• M23: 41,750,223 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.6

Radius: 5.3

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.05 AU - 8.39 AU

Year: 12024 Days

Day: 24 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,767,770 km

• M1: 65,973 km (0.077 R)
• M2: 422,764 km (0.116 R)
• M3: 966,253 km (0.099 R)
• M4: 1,431,951 km (0.081 R)
• M5: 1,607,579 km (0.094 R)
• M6: 1,937,891 km (0.103 R)
• M7: 3,365,653 km (0.025 R)
• M8: 3,653,928 km (0.03 R)
• M9: 4,560,491 km (0.076 R)
• M10: 4,793,864 km (0.111 R)
• M11: 5,842,246 km (0.105 R)
• M12: 7,151,077 km (0.093 R)
• M13: 7,546,913 km (0.12 R)
• M14: 10,037,718 km (0.09 R)
• M15: 10,839,114 km (0.075 R)
• M16: 14,598,508 km (0.106 R)
• M17: 17,822,342 km (0.039 R)
• M18: 19,829,347 km (0.075 R)
• M19: 20,373,285 km (0.028 R)
• M20: 22,064,639 km (0.096 R)
• M21: 22,564,595 km (0.11 R)
• M22: 26,000,110 km (0.11 R)
• M23: 26,185,162 km (0.111 R)
• M24: 26,651,459 km (0.115 R)
• M25: 29,067,016 km (0.065 R)
• M26: 29,869,758 km (0.089 R)
• M27: 31,414,506 km (0.11 R)
• M28: 31,624,541 km (0.051 R)
• M29: 32,259,883 km (0.038 R)
• M30: 33,337,736 km (0.025 R)
• M31: 33,885,563 km (0.074 R)
• M32: 34,328,074 km (0.107 R)
• M33: 36,367,392 km (0.087 R)
• M34: 37,652,737 km (0.102 R)
• M35: 38,127,411 km (0.097 R)
• M36: 38,606,274 km (0.109 R)
• M37: 39,453,596 km (0.067 R)
• M38: 43,096,903 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.7

Radius: 3.5

Gravity: 57.69 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.18 AU - 8.26 AU

Year: 12024 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,767,770 km

• M1: 45,328 km (0.055 R)
• M2: 210,335 km (0.088 R)
• M3: 424,858 km (0.106 R)
• M4: 772,075 km (0.092 R)
• M5: 1,350,719 km (0.116 R)
• M6: 2,010,147 km (0.098 R)
• M7: 2,213,450 km (0.047 R)
• M8: 2,952,464 km (0.107 R)
• M9: 3,190,923 km (0.074 R)
• M10: 3,898,521 km (0.071 R)
• M11: 4,424,955 km (0.081 R)
• M12: 5,130,609 km (0.032 R)
• M13: 6,364,193 km (0.1 R)
• M14: 7,605,855 km (0.099 R)
• M15: 7,872,139 km (0.076 R)
• M16: 8,144,706 km (0.04 R)
• M17: 10,887,434 km (0.108 R)
• M18: 11,282,671 km (0.069 R)
• M19: 11,397,413 km (0.059 R)
• M20: 15,351,285 km (0.073 R)
• M21: 16,948,691 km (0.063 R)
• M22: 17,250,579 km (0.062 R)
• M23: 17,556,058 km (0.07 R)
• M24: 19,056,375 km (0.085 R)
• M25: 19,879,313 km (0.047 R)
• M26: 20,554,448 km (0.096 R)
• M27: 24,066,109 km (0.111 R)
• M28: 27,957,448 km (0.113 R)
• M29: 33,532,512 km (0.096 R)
• M30: 39,276,323 km (0.078 R)
• M31: 40,337,719 km (0.102 R)
• M32: 42,103,274 km (0.088 R)
• M33: 44,061,360 km (0.107 R)
• M34: 44,775,091 km (0.071 R)
• M35: 49,680,555 km (0.108 R)
• M36: 51,077,949 km (0.094 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 16,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit