🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.6

Radius: 11.6

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.66 AU - 0.88 AU

Year: 451 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,111,383 km

• M1: 144,212 km (0.104 R)
• M2: 559,945 km (0.084 R)
• M3: 949,198 km (0.032 R)
• M4: 1,481,468 km (0.097 R)
• M5: 2,054,428 km (0.105 R)
• M6: 3,073,638 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.1

Radius: 12.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.93 AU - 0.99 AU

Year: 627 Days

Day: 10.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,111,383 km

• M1: 151,692 km (0.107 R)
• M2: 692,489 km (0.088 R)
• M3: 1,113,307 km (0.11 R)
• M4: 1,818,063 km (0.07 R)
• M5: 2,385,936 km (0.048 R)
• M6: 3,127,792 km (0.109 R)
• M7: 4,031,812 km (0.078 R)
• M8: 4,613,598 km (0.09 R)
• M9: 5,184,613 km (0.101 R)
• M10: 5,678,436 km (0.03 R)
• M11: 6,073,973 km (0.068 R)
• M12: 6,468,612 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 12.1

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.08 AU - 1.6 AU

Year: 1034 Days

Day: 11.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,111,383 km

• M1: 159,172 km (0.116 R)
• M2: 615,146 km (0.095 R)
• M3: 1,071,869 km (0.1 R)
• M4: 1,488,050 km (0.086 R)
• M5: 2,043,657 km (0.116 R)
• M6: 2,542,715 km (0.113 R)
• M7: 3,387,345 km (0.071 R)
• M8: 3,836,288 km (0.063 R)
• M9: 4,709,491 km (0.116 R)
• M10: 5,232,186 km (0.09 R)
• M11: 5,982,120 km (0.091 R)
• M12: 6,756,289 km (0.112 R)
• M13: 7,746,776 km (0.033 R)
• M14: 8,211,278 km (0.103 R)
• M15: 8,666,953 km (0.06 R)
• M16: 9,835,761 km (0.119 R)
• M17: 10,381,045 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.6

Radius: 11.2

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.78 AU - 2.78 AU

Year: 2296 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,111,383 km

• M1: 139,276 km (0.109 R)
• M2: 543,339 km (0.084 R)
• M3: 1,045,390 km (0.1 R)
• M4: 1,506,451 km (0.048 R)
• M5: 2,247,259 km (0.07 R)
• M6: 2,827,101 km (0.1 R)
• M7: 3,545,170 km (0.066 R)
• M8: 4,028,970 km (0.114 R)
• M9: 4,540,445 km (0.072 R)
• M10: 6,946,727 km (0.097 R)
• M11: 7,387,741 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.6

Radius: 4.4

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.85 AU - 8.43 AU

Year: 12723 Days

Day: 24.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,111,383 km

• M1: 54,753 km (0.119 R)
• M2: 330,910 km (0.075 R)
• M3: 638,484 km (0.047 R)
• M4: 831,764 km (0.11 R)
• M5: 1,276,668 km (0.09 R)
• M6: 1,642,435 km (0.114 R)
• M7: 1,804,150 km (0.079 R)
• M8: 2,176,649 km (0.102 R)
• M9: 2,540,770 km (0.113 R)
• M10: 3,365,952 km (0.086 R)
• M11: 3,877,577 km (0.069 R)
• M12: 4,383,816 km (0.1 R)
• M13: 5,146,167 km (0.043 R)
• M14: 6,631,374 km (0.094 R)
• M15: 7,431,873 km (0.045 R)
• M16: 8,906,160 km (0.118 R)
• M17: 9,500,213 km (0.111 R)
• M18: 10,464,969 km (0.117 R)
• M19: 11,177,953 km (0.107 R)
• M20: 13,928,759 km (0.079 R)
• M21: 14,171,556 km (0.107 R)
• M22: 15,884,003 km (0.113 R)
• M23: 17,168,749 km (0.09 R)
• M24: 18,814,625 km (0.11 R)
• M25: 20,719,754 km (0.034 R)
• M26: 24,554,097 km (0.111 R)
• M27: 29,928,550 km (0.048 R)
• M28: 33,264,283 km (0.111 R)
• M29: 35,695,997 km (0.081 R)
• M30: 40,416,109 km (0.041 R)
• M31: 41,033,948 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.8

Radius: 4.7

Gravity: 43.77 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.98 AU - 8.56 AU

Year: 13072 Days

Day: 22.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 57,111,383 km

• M1: 60,587 km (0.115 R)
• M2: 258,356 km (0.106 R)
• M3: 935,136 km (0.059 R)
• M4: 1,148,612 km (0.058 R)
• M5: 1,350,869 km (0.08 R)
• M6: 2,202,529 km (0.044 R)
• M7: 2,494,544 km (0.106 R)
• M8: 3,232,960 km (0.073 R)
• M9: 5,058,353 km (0.043 R)
• M10: 6,726,070 km (0.081 R)
• M11: 8,086,064 km (0.106 R)
• M12: 9,036,459 km (0.05 R)
• M13: 9,728,050 km (0.076 R)
• M14: 11,518,886 km (0.027 R)
• M15: 12,459,558 km (0.075 R)
• M16: 13,047,777 km (0.076 R)
• M17: 13,315,258 km (0.107 R)
• M18: 13,999,518 km (0.033 R)
• M19: 15,888,341 km (0.089 R)
• M20: 16,657,873 km (0.063 R)
• M21: 16,972,477 km (0.107 R)
• M22: 19,721,637 km (0.112 R)
• M23: 24,632,935 km (0.109 R)
• M24: 31,362,446 km (0.088 R)
• M25: 32,083,807 km (0.113 R)
• M26: 33,559,739 km (0.061 R)
• M27: 35,467,710 km (0.106 R)
• M28: 36,911,928 km (0.083 R)
• M29: 39,081,845 km (0.116 R)
• M30: 40,906,341 km (0.117 R)
• M31: 42,640,180 km (0.083 R)
• M32: 44,272,143 km (0.091 R)
• M33: 44,422,489 km (0.061 R)
• M34: 45,945,246 km (0.063 R)
• M35: 50,721,457 km (0.083 R)
• M36: 52,048,690 km (0.095 R)
• M37: 54,254,809 km (0.114 R)
• M38: 55,993,585 km (0.082 R)
• M39: 56,169,513 km (0.062 R)
• M40: 56,699,388 km (0.098 R)
• M41: 58,309,061 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.1

Radius: 4.3

Gravity: 48.73 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.37 AU - 7.39 AU

Year: 13369 Days

Day: 19.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,111,383 km

• M1: 54,005 km (0.089 R)
• M2: 232,026 km (0.082 R)
• M3: 511,326 km (0.079 R)
• M4: 933,790 km (0.051 R)
• M5: 1,543,252 km (0.104 R)
• M6: 1,773,034 km (0.12 R)
• M7: 1,932,356 km (0.067 R)
• M8: 2,737,491 km (0.1 R)
• M9: 3,150,382 km (0.04 R)
• M10: 4,805,532 km (0.117 R)
• M11: 6,092,074 km (0.113 R)
• M12: 6,665,483 km (0.118 R)
• M13: 8,353,246 km (0.057 R)
• M14: 8,905,262 km (0.08 R)
• M15: 9,642,480 km (0.098 R)
• M16: 12,934,531 km (0.105 R)
• M17: 13,878,344 km (0.082 R)
• M18: 16,514,558 km (0.101 R)
• M19: 18,279,663 km (0.103 R)
• M20: 22,274,076 km (0.118 R)
• M21: 22,464,065 km (0.078 R)
• M22: 28,453,515 km (0.091 R)
• M23: 47,886,877 km (0.084 R)
• M24: 61,660,203 km (0.12 R)
• M25: 61,847,200 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.6

Radius: 3.3

Gravity: 30.36 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.11 AU - 8.27 AU

Year: 14221 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,111,383 km

• M1: 41,139 km (0.084 R)
• M2: 168,597 km (0.074 R)
• M3: 313,557 km (0.099 R)
• M4: 553,811 km (0.065 R)
• M5: 765,642 km (0.113 R)
• M6: 2,606,743 km (0.116 R)
• M7: 2,815,881 km (0.083 R)
• M8: 2,946,629 km (0.079 R)
• M9: 3,510,613 km (0.095 R)
• M10: 5,261,956 km (0.045 R)
• M11: 7,274,795 km (0.085 R)
• M12: 11,417,758 km (0.067 R)
• M13: 12,907,304 km (0.103 R)
• M14: 13,087,121 km (0.084 R)
• M15: 15,646,890 km (0.072 R)
• M16: 18,144,277 km (0.104 R)
• M17: 22,325,687 km (0.093 R)
• M18: 25,007,827 km (0.107 R)
• M19: 34,557,108 km (0.025 R)
• M20: 38,747,494 km (0.119 R)
• M21: 43,130,263 km (0.105 R)
• M22: 45,717,558 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.5

Radius: 5.9

Gravity: 25.5 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.98 AU - 8.94 AU

Year: 16409 Days

Day: 18.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 57,111,383 km

• M1: 73,453 km (0.097 R)
• M2: 268,379 km (0.067 R)
• M3: 540,647 km (0.118 R)
• M4: 825,780 km (0.095 R)
• M5: 2,133,864 km (0.041 R)
• M6: 4,414,484 km (0.099 R)
• M7: 5,301,599 km (0.097 R)
• M8: 6,430,016 km (0.063 R)
• M9: 7,709,975 km (0.044 R)
• M10: 8,307,469 km (0.116 R)
• M11: 9,650,409 km (0.12 R)
• M12: 10,284,854 km (0.083 R)
• M13: 10,946,675 km (0.049 R)
• M14: 11,256,791 km (0.092 R)
• M15: 11,636,470 km (0.085 R)
• M16: 13,879,840 km (0.095 R)
• M17: 15,217,395 km (0.072 R)
• M18: 16,801,935 km (0.038 R)
• M19: 17,131,499 km (0.099 R)
• M20: 17,381,627 km (0.106 R)
• M21: 20,575,093 km (0.082 R)
• M22: 20,763,137 km (0.101 R)
• M23: 21,720,863 km (0.039 R)
• M24: 23,110,627 km (0.09 R)
• M25: 24,664,351 km (0.07 R)
• M26: 25,412,789 km (0.078 R)
• M27: 25,738,014 km (0.087 R)
• M28: 26,730,746 km (0.096 R)
• M29: 27,067,192 km (0.073 R)
• M30: 29,981,956 km (0.073 R)
• M31: 31,702,332 km (0.086 R)
• M32: 33,099,426 km (0.064 R)
• M33: 33,357,782 km (0.092 R)
• M34: 35,069,930 km (0.078 R)
• M35: 36,978,499 km (0.091 R)
• M36: 38,241,255 km (0.112 R)
• M37: 40,704,533 km (0.082 R)
• M38: 41,299,185 km (0.09 R)
• M39: 49,902,559 km (0.108 R)
• M40: 63,925,265 km (0.043 R)
• M41: 65,741,831 km (0.11 R)
• M42: 72,479,271 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.5

Radius: 4.7

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.44 AU - 10.76 AU

Year: 19835 Days

Day: 16.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 57,111,383 km

• M1: 61,186 km (0.069 R)
• M2: 247,136 km (0.042 R)
• M3: 617,540 km (0.073 R)
• M4: 827,575 km (0.115 R)
• M5: 1,709,305 km (0.071 R)
• M6: 2,261,471 km (0.107 R)
• M7: 2,421,690 km (0.102 R)
• M8: 3,139,910 km (0.102 R)
• M9: 3,416,815 km (0.088 R)
• M10: 3,601,419 km (0.043 R)
• M11: 4,754,669 km (0.046 R)
• M12: 6,057,816 km (0.103 R)
• M13: 6,447,219 km (0.104 R)
• M14: 6,853,228 km (0.101 R)
• M15: 8,126,904 km (0.114 R)
• M16: 8,456,468 km (0.113 R)
• M17: 9,042,294 km (0.102 R)
• M18: 9,654,598 km (0.098 R)
• M19: 10,568,790 km (0.08 R)
• M20: 11,422,097 km (0.119 R)
• M21: 19,460,289 km (0.104 R)
• M22: 21,088,213 km (0.117 R)
• M23: 22,990,650 km (0.119 R)
• M24: 26,003,700 km (0.045 R)
• M25: 28,294,792 km (0.116 R)
• M26: 28,725,334 km (0.067 R)
• M27: 29,160,215 km (0.034 R)
• M28: 29,379,227 km (0.111 R)
• M29: 33,873,895 km (0.112 R)
• M30: 37,887,606 km (0.101 R)
• M31: 41,788,819 km (0.109 R)
• M32: 43,621,393 km (0.088 R)
• M33: 44,340,210 km (0.083 R)
• M34: 45,213,114 km (0.074 R)
• M35: 46,246,087 km (0.089 R)
• M36: 48,053,230 km (0.053 R)
• M37: 50,535,208 km (0.092 R)
• M38: 51,487,548 km (0.052 R)
• M39: 55,584,734 km (0.119 R)
• M40: 56,429,514 km (0.09 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 12,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit