🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.9

Radius: 11.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.99 AU - 1.47 AU

Year: 881 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,358,067 km

• M1: 144,960 km (0.083 R)
• M2: 611,706 km (0.082 R)
• M3: 1,125,126 km (0.077 R)
• M4: 1,911,711 km (0.046 R)
• M5: 4,180,064 km (0.101 R)
• M6: 4,571,412 km (0.085 R)
• M7: 5,464,661 km (0.105 R)
• M8: 6,429,866 km (0.116 R)
• M9: 6,910,524 km (0.062 R)
• M10: 7,482,586 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 9.5

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.55 AU - 1.69 AU

Year: 1331 Days

Day: 10.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,358,067 km

• M1: 135,835 km (0.102 R)
• M2: 565,630 km (0.094 R)
• M3: 920,326 km (0.12 R)
• M4: 1,564,644 km (0.104 R)
• M5: 2,350,332 km (0.112 R)
• M6: 3,079,023 km (0.081 R)
• M7: 3,814,895 km (0.119 R)
• M8: 4,663,714 km (0.119 R)
• M9: 5,102,035 km (0.114 R)
• M10: 7,110,836 km (0.103 R)
• M11: 7,801,679 km (0.118 R)
• M12: 8,220,104 km (0.066 R)
• M13: 9,132,651 km (0.072 R)
• M14: 10,308,490 km (0.026 R)
• M15: 10,847,042 km (0.062 R)
• M16: 12,164,401 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.3

Radius: 14.3

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.04 AU - 5.8 AU

Year: 7046 Days

Day: 5.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,358,067 km

• M1: 178,021 km (0.071 R)
• M2: 783,145 km (0.05 R)
• M3: 1,371,364 km (0.119 R)
• M4: 2,220,930 km (0.08 R)
• M5: 3,644,503 km (0.109 R)
• M6: 4,852,656 km (0.076 R)
• M7: 5,399,286 km (0.046 R)
• M8: 6,346,390 km (0.087 R)
• M9: 10,741,426 km (0.112 R)
• M10: 11,573,789 km (0.095 R)
• M11: 12,554,403 km (0.056 R)
• M12: 13,092,506 km (0.057 R)
• M13: 15,038,027 km (0.113 R)
• M14: 17,367,266 km (0.118 R)
• M15: 21,488,388 km (0.089 R)
• M16: 23,369,880 km (0.112 R)
• M17: 25,104,467 km (0.043 R)
• M18: 28,828,856 km (0.095 R)
• M19: 29,672,438 km (0.07 R)
• M20: 30,628,967 km (0.063 R)
• M21: 31,212,698 km (0.103 R)
• M22: 35,402,187 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541

Radius: 11.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.88 AU - 5.32 AU

Year: 7437 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,358,067 km

• M1: 142,118 km (0.102 R)
• M2: 1,053,019 km (0.088 R)
• M3: 2,675,259 km (0.038 R)
• M4: 3,103,109 km (0.036 R)
• M5: 3,599,325 km (0.115 R)
• M6: 4,351,802 km (0.085 R)
• M7: 5,596,307 km (0.116 R)
• M8: 7,888,595 km (0.091 R)
• M9: 9,028,531 km (0.068 R)
• M10: 11,939,107 km (0.069 R)
• M11: 12,620,525 km (0.068 R)
• M12: 15,856,477 km (0.074 R)
• M13: 20,262,134 km (0.062 R)
• M14: 21,459,964 km (0.095 R)
• M15: 23,344,598 km (0.053 R)
• M16: 29,468,686 km (0.081 R)
• M17: 33,306,620 km (0.075 R)
• M18: 35,612,222 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.7

Radius: 13.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.58 AU - 6.32 AU

Year: 8215 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,358,067 km

• M1: 167,849 km (0.112 R)
• M2: 665,561 km (0.041 R)
• M3: 1,091,616 km (0.044 R)
• M4: 1,774,530 km (0.116 R)
• M5: 2,895,467 km (0.118 R)
• M6: 5,104,728 km (0.079 R)
• M7: 6,688,820 km (0.1 R)
• M8: 8,818,944 km (0.069 R)
• M9: 10,485,016 km (0.11 R)
• M10: 13,498,814 km (0.086 R)
• M11: 17,048,921 km (0.04 R)
• M12: 17,620,684 km (0.029 R)
• M13: 18,074,265 km (0.049 R)
• M14: 20,389,442 km (0.026 R)
• M15: 22,439,381 km (0.036 R)
• M16: 29,501,448 km (0.041 R)
• M17: 31,450,110 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.5

Radius: 7.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.87 AU - 7.07 AU

Year: 10626 Days

Day: 21.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,358,067 km

• M1: 125,363 km (0.1 R)
• M2: 780,751 km (0.09 R)
• M3: 1,069,924 km (0.102 R)
• M4: 1,325,886 km (0.074 R)
• M5: 2,464,326 km (0.108 R)
• M6: 3,387,494 km (0.119 R)
• M7: 4,357,936 km (0.077 R)
• M8: 4,670,146 km (0.091 R)
• M9: 5,810,531 km (0.081 R)
• M10: 6,615,517 km (0.114 R)
• M11: 7,225,128 km (0.052 R)
• M12: 8,263,188 km (0.066 R)
• M13: 10,001,964 km (0.086 R)
• M14: 10,589,285 km (0.116 R)
• M15: 14,501,120 km (0.11 R)
• M16: 15,253,298 km (0.065 R)
• M17: 19,797,333 km (0.065 R)
• M18: 22,375,503 km (0.109 R)
• M19: 25,092,948 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.9

Radius: 7.7

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.75 AU - 7.91 AU

Year: 12814 Days

Day: 24.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,358,067 km

• M1: 96,191 km (0.114 R)
• M2: 376,089 km (0.094 R)
• M3: 619,634 km (0.12 R)
• M4: 1,065,137 km (0.118 R)
• M5: 1,490,892 km (0.034 R)
• M6: 2,359,009 km (0.108 R)
• M7: 2,774,143 km (0.12 R)
• M8: 3,186,285 km (0.103 R)
• M9: 3,528,415 km (0.058 R)
• M10: 4,380,525 km (0.096 R)
• M11: 4,770,826 km (0.116 R)
• M12: 5,184,165 km (0.103 R)
• M13: 6,444,676 km (0.087 R)
• M14: 6,907,083 km (0.076 R)
• M15: 7,301,573 km (0.059 R)
• M16: 9,882,585 km (0.109 R)
• M17: 11,989,970 km (0.111 R)
• M18: 12,560,237 km (0.112 R)
• M19: 14,379,946 km (0.094 R)
• M20: 15,987,375 km (0.08 R)
• M21: 17,468,992 km (0.073 R)
• M22: 17,873,654 km (0.063 R)
• M23: 21,431,241 km (0.093 R)
• M24: 22,650,913 km (0.102 R)
• M25: 23,132,169 km (0.084 R)
• M26: 25,641,374 km (0.077 R)
• M27: 26,269,536 km (0.108 R)
• M28: 27,339,160 km (0.114 R)
• M29: 36,173,364 km (0.109 R)
• M30: 46,581,635 km (0.119 R)
• M31: 62,325,016 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.4

Radius: 5

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.37 AU - 10.27 AU

Year: 15495 Days

Day: 24 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,358,067 km

• M1: 62,233 km (0.106 R)
• M2: 554,709 km (0.043 R)
• M3: 804,837 km (0.067 R)
• M4: 1,052,720 km (0.103 R)
• M5: 2,397,755 km (0.109 R)
• M6: 3,243,282 km (0.113 R)
• M7: 4,162,561 km (0.067 R)
• M8: 4,523,391 km (0.039 R)
• M9: 5,212,439 km (0.059 R)
• M10: 7,256,993 km (0.076 R)
• M11: 7,454,911 km (0.119 R)
• M12: 8,283,384 km (0.12 R)
• M13: 10,978,539 km (0.117 R)
• M14: 13,126,764 km (0.062 R)
• M15: 13,421,023 km (0.073 R)
• M16: 13,840,346 km (0.088 R)
• M17: 26,153,597 km (0.087 R)
• M18: 28,735,507 km (0.085 R)
• M19: 34,287,982 km (0.12 R)
• M20: 39,774,633 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.1

Radius: 4.7

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.28 AU - 9.88 AU

Year: 17666 Days

Day: 22.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,358,067 km

• M1: 58,792 km (0.1 R)
• M2: 433,535 km (0.073 R)
• M3: 1,002,605 km (0.093 R)
• M4: 1,270,834 km (0.051 R)
• M5: 1,524,851 km (0.069 R)
• M6: 1,745,358 km (0.113 R)
• M7: 4,791,321 km (0.104 R)
• M8: 6,072,776 km (0.05 R)
• M9: 6,385,735 km (0.03 R)
• M10: 7,086,750 km (0.084 R)
• M11: 7,302,321 km (0.077 R)
• M12: 8,591,406 km (0.059 R)
• M13: 9,811,077 km (0.061 R)
• M14: 10,025,002 km (0.112 R)
• M15: 10,629,378 km (0.11 R)
• M16: 11,257,838 km (0.03 R)
• M17: 11,492,408 km (0.097 R)
• M18: 16,366,456 km (0.045 R)
• M19: 16,972,178 km (0.108 R)
• M20: 17,592,859 km (0.072 R)
• M21: 18,633,462 km (0.109 R)
• M22: 18,879,251 km (0.072 R)
• M23: 20,227,128 km (0.096 R)
• M24: 21,101,378 km (0.091 R)
• M25: 21,637,836 km (0.087 R)
• M26: 22,367,275 km (0.074 R)
• M27: 23,396,658 km (0.081 R)
• M28: 24,752,164 km (0.113 R)
• M29: 28,045,113 km (0.075 R)
• M30: 29,241,297 km (0.084 R)
• M31: 29,573,255 km (0.101 R)
• M32: 30,470,992 km (0.063 R)
• M33: 33,152,983 km (0.096 R)
• M34: 34,860,343 km (0.087 R)
• M35: 38,847,425 km (0.101 R)
• M36: 40,332,184 km (0.111 R)
• M37: 43,558,262 km (0.11 R)
• M38: 55,097,793 km (0.067 R)
• M39: 55,266,241 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 14,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit