🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.2

Radius: 13.9

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.74 AU - 0.78 AU

Year: 435 Days

Day: 14.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,953,404 km

• M1: 172,935 km (0.108 R)
• M2: 674,238 km (0.109 R)
• M3: 1,167,013 km (0.075 R)
• M4: 1,609,224 km (0.088 R)
• M5: 2,175,003 km (0.113 R)
• M6: 3,013,948 km (0.111 R)
• M7: 3,793,802 km (0.093 R)
• M8: 4,380,974 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.3

Radius: 9.6

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.09 AU - 3.89 AU

Year: 4277 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,953,404 km

• M1: 119,828 km (0.07 R)
• M2: 431,440 km (0.097 R)
• M3: 1,312,871 km (0.063 R)
• M4: 2,012,391 km (0.106 R)
• M5: 2,767,261 km (0.105 R)
• M6: 4,136,232 km (0.106 R)
• M7: 5,164,717 km (0.109 R)
• M8: 5,543,050 km (0.096 R)
• M9: 6,416,253 km (0.071 R)
• M10: 6,853,826 km (0.048 R)
• M11: 9,994,185 km (0.055 R)
• M12: 14,721,478 km (0.055 R)
• M13: 18,990,103 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.1

Radius: 14.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.89 AU - 4.35 AU

Year: 4518 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,953,404 km

• M1: 176,226 km (0.117 R)
• M2: 658,380 km (0.12 R)
• M3: 1,174,792 km (0.06 R)
• M4: 1,779,616 km (0.068 R)
• M5: 2,891,727 km (0.057 R)
• M6: 3,901,512 km (0.11 R)
• M7: 4,680,169 km (0.114 R)
• M8: 6,165,078 km (0.088 R)
• M9: 9,615,852 km (0.09 R)
• M10: 10,222,023 km (0.115 R)
• M11: 12,344,816 km (0.111 R)
• M12: 12,905,509 km (0.095 R)
• M13: 13,430,149 km (0.116 R)
• M14: 15,554,588 km (0.1 R)
• M15: 18,350,124 km (0.12 R)
• M16: 18,947,019 km (0.109 R)
• M17: 20,109,993 km (0.077 R)
• M18: 23,495,393 km (0.083 R)
• M19: 27,158,446 km (0.095 R)
• M20: 28,371,685 km (0.069 R)
• M21: 29,349,905 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.5

Radius: 10.2

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.16 AU - 4.74 AU

Year: 6158 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,953,404 km

• M1: 129,851 km (0.113 R)
• M2: 578,495 km (0.097 R)
• M3: 980,764 km (0.058 R)
• M4: 1,307,635 km (0.084 R)
• M5: 1,708,856 km (0.05 R)
• M6: 2,115,463 km (0.056 R)
• M7: 2,534,487 km (0.104 R)
• M8: 2,856,721 km (0.088 R)
• M9: 3,267,517 km (0.037 R)
• M10: 3,584,814 km (0.065 R)
• M11: 4,381,871 km (0.11 R)
• M12: 4,769,180 km (0.047 R)
• M13: 5,946,515 km (0.098 R)
• M14: 9,028,830 km (0.068 R)
• M15: 10,543,359 km (0.096 R)
• M16: 12,627,407 km (0.098 R)
• M17: 14,459,382 km (0.081 R)
• M18: 16,156,420 km (0.091 R)
• M19: 16,647,101 km (0.092 R)
• M20: 17,084,526 km (0.097 R)
• M21: 18,509,595 km (0.12 R)
• M22: 20,152,778 km (0.043 R)
• M23: 21,155,233 km (0.07 R)
• M24: 21,891,255 km (0.108 R)
• M25: 25,170,291 km (0.062 R)
• M26: 30,775,274 km (0.12 R)
• M27: 31,529,696 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.9

Radius: 11.1

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.74 AU - 5.4 AU

Year: 7489 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,953,404 km

• M1: 143,913 km (0.108 R)
• M2: 499,806 km (0.069 R)
• M3: 1,008,140 km (0.031 R)
• M4: 1,611,767 km (0.084 R)
• M5: 2,183,680 km (0.109 R)
• M6: 2,727,468 km (0.048 R)
• M7: 3,760,292 km (0.1 R)
• M8: 4,139,971 km (0.083 R)
• M9: 4,888,559 km (0.109 R)
• M10: 6,510,649 km (0.061 R)
• M11: 7,174,564 km (0.119 R)
• M12: 7,641,758 km (0.078 R)
• M13: 8,087,859 km (0.118 R)
• M14: 10,535,131 km (0.036 R)
• M15: 13,265,442 km (0.079 R)
• M16: 15,843,162 km (0.092 R)
• M17: 16,303,176 km (0.08 R)
• M18: 16,704,547 km (0.119 R)
• M19: 18,304,347 km (0.097 R)
• M20: 20,080,373 km (0.103 R)
• M21: 20,619,224 km (0.105 R)
• M22: 21,565,580 km (0.117 R)
• M23: 25,642,421 km (0.102 R)
• M24: 29,018,097 km (0.113 R)
• M25: 30,105,823 km (0.113 R)
• M26: 33,532,662 km (0.055 R)
• M27: 35,061,851 km (0.06 R)
• M28: 35,843,799 km (0.071 R)
• M29: 36,295,735 km (0.085 R)
• M30: 37,790,816 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.9

Radius: 3.5

Gravity: 37.54 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.84 AU - 7.02 AU

Year: 9473 Days

Day: 21.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,953,404 km

• M1: 43,533 km (0.085 R)
• M2: 164,258 km (0.089 R)
• M3: 303,684 km (0.101 R)
• M4: 529,128 km (0.113 R)
• M5: 1,124,527 km (0.025 R)
• M6: 1,457,532 km (0.052 R)
• M7: 1,883,587 km (0.113 R)
• M8: 2,125,337 km (0.078 R)
• M9: 2,954,857 km (0.12 R)
• M10: 3,236,400 km (0.115 R)
• M11: 4,488,086 km (0.084 R)
• M12: 5,376,547 km (0.038 R)
• M13: 5,567,285 km (0.073 R)
• M14: 5,697,136 km (0.115 R)
• M15: 6,626,138 km (0.041 R)
• M16: 7,812,150 km (0.1 R)
• M17: 8,181,358 km (0.114 R)
• M18: 10,059,559 km (0.026 R)
• M19: 10,300,711 km (0.098 R)
• M20: 10,895,213 km (0.098 R)
• M21: 11,512,155 km (0.107 R)
• M22: 12,536,302 km (0.115 R)
• M23: 13,386,466 km (0.046 R)
• M24: 15,582,413 km (0.106 R)
• M25: 16,166,743 km (0.045 R)
• M26: 16,298,538 km (0.099 R)
• M27: 17,241,304 km (0.034 R)
• M28: 18,291,032 km (0.091 R)
• M29: 18,795,177 km (0.043 R)
• M30: 18,941,035 km (0.095 R)
• M31: 22,422,926 km (0.115 R)
• M32: 24,530,161 km (0.103 R)
• M33: 25,855,898 km (0.062 R)
• M34: 26,950,206 km (0.119 R)
• M35: 27,228,608 km (0.081 R)
• M36: 39,283,054 km (0.066 R)
• M37: 40,363,001 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.4

Radius: 7.4

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.77 AU - 6.13 AU

Year: 9521 Days

Day: 23.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,953,404 km

• M1: 98,735 km (0.09 R)
• M2: 354,846 km (0.102 R)
• M3: 746,493 km (0.097 R)
• M4: 1,500,317 km (0.079 R)
• M5: 2,449,067 km (0.094 R)
• M6: 2,847,745 km (0.065 R)
• M7: 3,220,094 km (0.07 R)
• M8: 3,550,705 km (0.114 R)
• M9: 4,143,113 km (0.118 R)
• M10: 5,392,704 km (0.076 R)
• M11: 5,929,012 km (0.091 R)
• M12: 6,611,627 km (0.046 R)
• M13: 7,465,981 km (0.096 R)
• M14: 11,038,976 km (0.097 R)
• M15: 11,411,625 km (0.073 R)
• M16: 13,104,025 km (0.107 R)
• M17: 15,086,796 km (0.1 R)
• M18: 15,812,345 km (0.03 R)
• M19: 16,838,736 km (0.098 R)
• M20: 18,201,723 km (0.103 R)
• M21: 21,390,850 km (0.082 R)
• M22: 21,720,564 km (0.106 R)
• M23: 31,534,184 km (0.06 R)
• M24: 31,961,435 km (0.052 R)
• M25: 34,606,775 km (0.086 R)
• M26: 37,156,670 km (0.114 R)
• M27: 39,210,948 km (0.115 R)
• M28: 42,238,211 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.9

Radius: 6.7

Gravity: 21.32 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.96 AU - 6.4 AU

Year: 10078 Days

Day: 23.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,953,404 km

• M1: 83,326 km (0.034 R)
• M2: 352,303 km (0.068 R)
• M3: 746,194 km (0.116 R)
• M4: 1,017,714 km (0.118 R)
• M5: 1,669,961 km (0.11 R)
• M6: 2,087,189 km (0.084 R)
• M7: 2,613,475 km (0.101 R)
• M8: 3,927,094 km (0.079 R)
• M9: 4,419,121 km (0.082 R)
• M10: 7,217,200 km (0.041 R)
• M11: 7,820,977 km (0.059 R)
• M12: 8,741,153 km (0.044 R)
• M13: 9,277,162 km (0.048 R)
• M14: 10,042,804 km (0.118 R)
• M15: 11,933,572 km (0.119 R)
• M16: 13,150,102 km (0.041 R)
• M17: 13,723,660 km (0.114 R)
• M18: 17,904,322 km (0.039 R)
• M19: 18,608,778 km (0.106 R)
• M20: 22,410,359 km (0.047 R)
• M21: 25,213,674 km (0.086 R)
• M22: 25,999,063 km (0.089 R)
• M23: 26,598,501 km (0.085 R)
• M24: 29,303,680 km (0.063 R)
• M25: 36,358,865 km (0.119 R)
• M26: 36,857,475 km (0.071 R)
• M27: 38,252,176 km (0.049 R)
• M28: 40,877,618 km (0.066 R)
• M29: 42,097,290 km (0.098 R)
• M30: 45,901,713 km (0.038 R)
• M31: 48,261,021 km (0.066 R)
• M32: 50,390,696 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91

Radius: 6.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.51 AU - 9.93 AU

Year: 15460 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,953,404 km

• M1: 109,206 km (0.098 R)
• M2: 399,726 km (0.063 R)
• M3: 1,278,164 km (0.12 R)
• M4: 2,187,719 km (0.087 R)
• M5: 3,238,644 km (0.118 R)
• M6: 3,828,658 km (0.114 R)
• M7: 4,670,745 km (0.055 R)
• M8: 5,690,703 km (0.086 R)
• M9: 6,920,547 km (0.093 R)
• M10: 13,141,425 km (0.041 R)
• M11: 15,444,035 km (0.112 R)
• M12: 18,937,146 km (0.086 R)
• M13: 19,278,678 km (0.086 R)
• M14: 23,078,164 km (0.113 R)
• M15: 23,389,627 km (0.077 R)
• M16: 25,152,788 km (0.092 R)

Asteroid Belt

Center: 9.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.1

Radius: 4.3

Gravity: 42.79 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 10.19 AU - 11.07 AU

Year: 22736 Days

Day: 21.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 174.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,953,404 km

• M1: 55,351 km (0.065 R)
• M2: 257,907 km (0.077 R)
• M3: 396,285 km (0.077 R)
• M4: 535,411 km (0.099 R)
• M5: 688,001 km (0.11 R)
• M6: 917,185 km (0.113 R)
• M7: 2,307,098 km (0.112 R)
• M8: 2,519,079 km (0.08 R)
• M9: 4,107,808 km (0.09 R)
• M10: 5,090,217 km (0.096 R)
• M11: 7,157,211 km (0.115 R)
• M12: 7,972,220 km (0.058 R)
• M13: 8,239,103 km (0.06 R)
• M14: 10,277,224 km (0.069 R)
• M15: 11,580,820 km (0.107 R)
• M16: 15,726,925 km (0.066 R)
• M17: 15,894,026 km (0.076 R)
• M18: 17,184,756 km (0.108 R)
• M19: 19,875,274 km (0.11 R)
• M20: 22,199,127 km (0.118 R)
• M21: 22,727,208 km (0.067 R)
• M22: 23,480,433 km (0.114 R)
• M23: 27,740,831 km (0.097 R)
• M24: 28,974,864 km (0.093 R)
• M25: 30,245,099 km (0.062 R)
• M26: 30,893,755 km (0.097 R)
• M27: 40,347,593 km (0.04 R)
• M28: 40,818,078 km (0.08 R)
• M29: 56,101,595 km (0.067 R)
• M30: 66,188,531 km (0.083 R)
• M31: 67,061,584 km (0.113 R)
• M32: 75,504,439 km (0.116 R)
• M33: 77,418,544 km (0.107 R)
• M34: 81,843,050 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 16,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit