🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.2

Radius: 12.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.53 AU - 0.83 AU

Year: 387 Days

Day: 13 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,613,254 km

• M1: 155,432 km (0.109 R)
• M2: 607,517 km (0.113 R)
• M3: 1,169,107 km (0.094 R)
• M4: 1,568,683 km (0.111 R)
• M5: 1,958,087 km (0.044 R)
• M6: 2,608,987 km (0.071 R)
• M7: 3,023,373 km (0.1 R)
• M8: 4,143,711 km (0.032 R)
• M9: 4,639,928 km (0.107 R)
• M10: 5,331,818 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 13.3

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.69 AU - 0.73 AU

Year: 413 Days

Day: 8.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,613,254 km

• M1: 165,455 km (0.103 R)
• M2: 738,116 km (0.094 R)
• M3: 1,206,058 km (0.084 R)
• M4: 1,668,166 km (0.082 R)
• M5: 2,560,218 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.9

Radius: 13

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.94 AU - 2.84 AU

Year: 2550 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,613,254 km

• M1: 162,014 km (0.105 R)
• M2: 697,874 km (0.073 R)
• M3: 1,212,940 km (0.044 R)
• M4: 1,670,260 km (0.102 R)
• M5: 2,104,393 km (0.116 R)
• M6: 2,916,111 km (0.063 R)
• M7: 3,326,159 km (0.11 R)
• M8: 3,985,287 km (0.087 R)
• M9: 4,599,686 km (0.04 R)
• M10: 5,615,006 km (0.034 R)
• M11: 8,182,704 km (0.112 R)
• M12: 9,144,319 km (0.108 R)
• M13: 10,403,634 km (0.086 R)
• M14: 11,331,740 km (0.079 R)
• M15: 12,146,749 km (0.043 R)
• M16: 13,939,530 km (0.119 R)
• M17: 14,923,435 km (0.099 R)
• M18: 15,555,187 km (0.052 R)
• M19: 16,306,467 km (0.111 R)
• M20: 17,186,851 km (0.094 R)
• M21: 18,262,908 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.6

Radius: 10.2

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.18 AU - 3.32 AU

Year: 3148 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,613,254 km

• M1: 126,859 km (0.12 R)
• M2: 622,477 km (0.046 R)
• M3: 1,244,505 km (0.085 R)
• M4: 1,716,935 km (0.1 R)
• M5: 2,256,833 km (0.091 R)
• M6: 3,181,199 km (0.087 R)
• M7: 4,282,239 km (0.058 R)
• M8: 4,909,503 km (0.043 R)
• M9: 6,629,579 km (0.025 R)
• M10: 10,810,989 km (0.098 R)
• M11: 11,214,305 km (0.09 R)
• M12: 11,742,236 km (0.059 R)
• M13: 13,636,594 km (0.11 R)
• M14: 14,992,399 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.8

Radius: 12.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.34 AU - 3.82 AU

Year: 3731 Days

Day: 7.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,613,254 km

• M1: 160,369 km (0.08 R)
• M2: 654,042 km (0.094 R)
• M3: 1,733,391 km (0.084 R)
• M4: 2,179,342 km (0.06 R)
• M5: 2,686,778 km (0.094 R)
• M6: 4,300,939 km (0.115 R)
• M7: 6,121,246 km (0.115 R)
• M8: 7,806,765 km (0.064 R)
• M9: 8,272,762 km (0.049 R)
• M10: 11,856,678 km (0.063 R)
• M11: 13,964,662 km (0.106 R)
• M12: 14,503,663 km (0.033 R)
• M13: 15,623,553 km (0.074 R)
• M14: 18,557,317 km (0.094 R)
• M15: 21,580,091 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.6

Radius: 13.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.97 AU - 3.99 AU

Year: 5481 Days

Day: 14.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,613,254 km

• M1: 171,589 km (0.051 R)
• M2: 600,785 km (0.115 R)
• M3: 1,097,001 km (0.076 R)
• M4: 1,876,256 km (0.096 R)
• M5: 2,400,298 km (0.075 R)
• M6: 3,002,280 km (0.037 R)
• M7: 3,524,077 km (0.113 R)
• M8: 4,752,724 km (0.054 R)
• M9: 5,896,101 km (0.056 R)
• M10: 7,215,255 km (0.117 R)
• M11: 8,277,998 km (0.077 R)
• M12: 9,617,498 km (0.034 R)
• M13: 13,153,393 km (0.066 R)
• M14: 14,913,861 km (0.117 R)
• M15: 15,697,155 km (0.055 R)
• M16: 16,826,619 km (0.09 R)
• M17: 18,144,427 km (0.074 R)
• M18: 18,967,664 km (0.087 R)
• M19: 20,614,736 km (0.076 R)
• M20: 24,521,634 km (0.103 R)
• M21: 25,273,812 km (0.039 R)
• M22: 26,127,567 km (0.076 R)
• M23: 26,649,065 km (0.089 R)
• M24: 31,268,648 km (0.071 R)
• M25: 34,179,074 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.8

Radius: 13.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.13 AU - 5.03 AU

Year: 5689 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,613,254 km

• M1: 172,935 km (0.045 R)
• M2: 682,166 km (0.065 R)
• M3: 1,644,529 km (0.091 R)
• M4: 2,165,130 km (0.061 R)
• M5: 2,902,199 km (0.115 R)
• M6: 5,059,699 km (0.105 R)
• M7: 6,551,788 km (0.116 R)
• M8: 8,709,139 km (0.043 R)
• M9: 10,277,673 km (0.088 R)
• M10: 13,431,645 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.2

Radius: 4.1

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.86 AU - 7.3 AU

Year: 10348 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,613,254 km

• M1: 54,454 km (0.111 R)
• M2: 797,506 km (0.098 R)
• M3: 1,082,191 km (0.116 R)
• M4: 2,119,951 km (0.077 R)
• M5: 2,349,734 km (0.032 R)
• M6: 4,000,397 km (0.116 R)
• M7: 4,399,673 km (0.104 R)
• M8: 5,528,090 km (0.115 R)
• M9: 5,874,409 km (0.069 R)
• M10: 6,547,001 km (0.097 R)
• M11: 6,967,670 km (0.05 R)
• M12: 9,426,012 km (0.113 R)
• M13: 10,130,917 km (0.118 R)
• M14: 11,321,716 km (0.106 R)
• M15: 13,050,320 km (0.081 R)
• M16: 15,057,774 km (0.097 R)
• M17: 19,871,384 km (0.11 R)
• M18: 20,750,721 km (0.101 R)
• M19: 27,395,260 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.8

Radius: 5.4

Gravity: 24.75 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.36 AU - 8.94 AU

Year: 14605 Days

Day: 18.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,613,254 km

• M1: 71,807 km (0.105 R)
• M2: 820,395 km (0.084 R)
• M3: 1,794,726 km (0.081 R)
• M4: 2,489,159 km (0.037 R)
• M5: 5,446,559 km (0.101 R)
• M6: 5,669,011 km (0.107 R)
• M7: 7,267,016 km (0.077 R)
• M8: 8,096,985 km (0.048 R)
• M9: 8,485,490 km (0.085 R)
• M10: 9,617,946 km (0.095 R)
• M11: 10,789,597 km (0.043 R)
• M12: 15,379,858 km (0.118 R)
• M13: 20,138,716 km (0.077 R)
• M14: 24,266,719 km (0.117 R)
• M15: 24,971,475 km (0.11 R)
• M16: 28,037,184 km (0.094 R)
• M17: 31,344,643 km (0.092 R)
• M18: 32,180,297 km (0.12 R)
• M19: 34,523,149 km (0.081 R)
• M20: 34,903,128 km (0.033 R)
• M21: 37,775,706 km (0.095 R)
• M22: 38,314,408 km (0.11 R)
• M23: 41,654,630 km (0.077 R)
• M24: 43,248,445 km (0.088 R)
• M25: 47,487,899 km (0.041 R)
• M26: 50,680,168 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.8

Radius: 5.2

Gravity: 26.4 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.6 AU - 10.16 AU

Year: 18265 Days

Day: 24.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,613,254 km

• M1: 65,225 km (0.112 R)
• M2: 239,207 km (0.078 R)
• M3: 671,545 km (0.056 R)
• M4: 880,084 km (0.039 R)
• M5: 1,080,097 km (0.054 R)
• M6: 1,253,481 km (0.063 R)
• M7: 1,744,162 km (0.085 R)
• M8: 3,310,451 km (0.07 R)
• M9: 4,468,189 km (0.1 R)
• M10: 4,672,989 km (0.063 R)
• M11: 8,037,894 km (0.113 R)
• M12: 8,290,265 km (0.112 R)
• M13: 10,865,443 km (0.04 R)
• M14: 15,656,913 km (0.042 R)
• M15: 16,857,885 km (0.091 R)
• M16: 17,691,893 km (0.08 R)
• M17: 20,827,464 km (0.085 R)
• M18: 27,825,952 km (0.062 R)
• M19: 30,671,154 km (0.108 R)
• M20: 33,834,850 km (0.109 R)
• M21: 34,097,095 km (0.084 R)
• M22: 35,293,429 km (0.104 R)
• M23: 40,359,112 km (0.117 R)
• M24: 40,801,772 km (0.084 R)
• M25: 41,697,115 km (0.084 R)
• M26: 47,509,441 km (0.091 R)
• M27: 48,666,581 km (0.105 R)
• M28: 48,833,383 km (0.106 R)
• M29: 55,459,222 km (0.091 R)
• M30: 56,006,600 km (0.111 R)
• M31: 58,043,974 km (0.045 R)
• M32: 67,307,074 km (0.117 R)
• M33: 69,608,637 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 14,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit