🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809

Radius: 14.4

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.32 AU - 2 AU

Year: 1403 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,415,053 km

• M1: 179,517 km (0.115 R)
• M2: 673,190 km (0.072 R)
• M3: 1,554,172 km (0.071 R)
• M4: 2,246,511 km (0.054 R)
• M5: 3,396,769 km (0.109 R)
• M6: 4,043,032 km (0.12 R)
• M7: 5,239,516 km (0.106 R)
• M8: 5,806,941 km (0.099 R)
• M9: 7,091,837 km (0.054 R)
• M10: 8,470,680 km (0.077 R)
• M11: 9,317,255 km (0.097 R)
• M12: 11,609,244 km (0.076 R)
• M13: 13,160,723 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.6

Radius: 13.8

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.66 AU - 2.06 AU

Year: 1664 Days

Day: 14.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,415,053 km

• M1: 172,038 km (0.113 R)
• M2: 617,091 km (0.118 R)
• M3: 1,095,954 km (0.119 R)
• M4: 1,602,642 km (0.076 R)
• M5: 2,111,125 km (0.114 R)
• M6: 2,549,447 km (0.074 R)
• M7: 3,095,030 km (0.081 R)
• M8: 3,896,127 km (0.05 R)
• M9: 4,564,231 km (0.065 R)
• M10: 5,627,423 km (0.056 R)
• M11: 6,230,452 km (0.087 R)
• M12: 7,119,512 km (0.098 R)
• M13: 7,652,380 km (0.089 R)
• M14: 9,346,725 km (0.102 R)
• M15: 10,691,610 km (0.112 R)
• M16: 11,811,201 km (0.077 R)
• M17: 13,256,167 km (0.057 R)
• M18: 14,459,382 km (0.112 R)
• M19: 15,547,408 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 12.9

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.34 AU - 2.8 AU

Year: 2703 Days

Day: 5.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,415,053 km

• M1: 160,369 km (0.106 R)
• M2: 611,556 km (0.088 R)
• M3: 1,299,108 km (0.08 R)
• M4: 1,809,985 km (0.102 R)
• M5: 2,283,312 km (0.047 R)
• M6: 3,519,888 km (0.088 R)
• M7: 5,369,666 km (0.108 R)
• M8: 6,127,828 km (0.063 R)
• M9: 6,817,773 km (0.071 R)
• M10: 8,836,297 km (0.098 R)
• M11: 9,753,033 km (0.045 R)
• M12: 11,226,273 km (0.111 R)
• M13: 11,656,367 km (0.109 R)
• M14: 13,227,593 km (0.104 R)
• M15: 13,663,671 km (0.113 R)
• M16: 15,361,158 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.8

Radius: 8

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.96 AU - 5.68 AU

Year: 6942 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,415,053 km

• M1: 99,483 km (0.095 R)
• M2: 386,561 km (0.082 R)
• M3: 730,337 km (0.038 R)
• M4: 1,088,175 km (0.113 R)
• M5: 1,625,231 km (0.088 R)
• M6: 2,993,154 km (0.113 R)
• M7: 3,392,132 km (0.068 R)
• M8: 3,873,687 km (0.112 R)
• M9: 4,270,720 km (0.118 R)
• M10: 6,103,743 km (0.096 R)
• M11: 7,359,168 km (0.085 R)
• M12: 7,622,012 km (0.12 R)
• M13: 8,862,327 km (0.058 R)
• M14: 9,333,262 km (0.119 R)
• M15: 9,865,830 km (0.096 R)
• M16: 10,278,421 km (0.113 R)
• M17: 10,607,237 km (0.064 R)
• M18: 10,894,615 km (0.071 R)
• M19: 13,834,063 km (0.115 R)
• M20: 14,119,795 km (0.051 R)
• M21: 15,731,413 km (0.114 R)
• M22: 17,263,744 km (0.117 R)
• M23: 17,528,532 km (0.045 R)
• M24: 19,817,230 km (0.07 R)
• M25: 22,141,981 km (0.041 R)
• M26: 22,770,292 km (0.108 R)
• M27: 23,980,239 km (0.081 R)
• M28: 24,476,007 km (0.049 R)
• M29: 28,969,927 km (0.112 R)
• M30: 30,485,802 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.5

Radius: 6.6

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.68 AU - 9.96 AU

Year: 15743 Days

Day: 20.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,415,053 km

• M1: 82,129 km (0.104 R)
• M2: 690,993 km (0.051 R)
• M3: 956,080 km (0.097 R)
• M4: 1,166,265 km (0.108 R)
• M5: 1,613,862 km (0.054 R)
• M6: 2,104,543 km (0.115 R)
• M7: 3,159,208 km (0.103 R)
• M8: 6,184,974 km (0.095 R)
• M9: 8,458,264 km (0.118 R)
• M10: 8,798,449 km (0.105 R)
• M11: 12,014,953 km (0.078 R)
• M12: 12,940,814 km (0.115 R)
• M13: 14,568,289 km (0.105 R)
• M14: 22,125,675 km (0.09 R)
• M15: 22,609,025 km (0.09 R)
• M16: 22,934,999 km (0.097 R)
• M17: 23,181,686 km (0.108 R)
• M18: 23,932,069 km (0.055 R)
• M19: 24,784,926 km (0.104 R)
• M20: 29,065,520 km (0.111 R)
• M21: 34,240,858 km (0.096 R)
• M22: 34,779,111 km (0.116 R)
• M23: 36,204,779 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760

Radius: 4.1

Gravity: 45.21 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.05 AU - 10.17 AU

Year: 16573 Days

Day: 24.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,415,053 km

• M1: 52,359 km (0.081 R)
• M2: 550,221 km (0.072 R)
• M3: 2,200,884 km (0.089 R)
• M4: 3,237,298 km (0.09 R)
• M5: 3,683,848 km (0.105 R)
• M6: 3,861,420 km (0.089 R)
• M7: 8,422,659 km (0.107 R)
• M8: 9,154,791 km (0.11 R)
• M9: 10,985,869 km (0.078 R)
• M10: 11,922,651 km (0.108 R)
• M11: 19,654,916 km (0.106 R)
• M12: 21,218,812 km (0.095 R)
• M13: 23,262,918 km (0.099 R)
• M14: 23,972,311 km (0.115 R)
• M15: 25,755,218 km (0.104 R)
• M16: 27,176,847 km (0.094 R)
• M17: 30,897,495 km (0.106 R)
• M18: 38,620,785 km (0.115 R)
• M19: 40,045,555 km (0.058 R)
• M20: 41,652,984 km (0.095 R)
• M21: 43,760,369 km (0.082 R)
• M22: 43,913,557 km (0.057 R)
• M23: 45,308,408 km (0.091 R)
• M24: 47,213,686 km (0.119 R)
• M25: 47,536,369 km (0.1 R)
• M26: 48,023,011 km (0.058 R)
• M27: 49,171,773 km (0.082 R)
• M28: 52,727,415 km (0.082 R)
• M29: 58,654,932 km (0.053 R)
• M30: 66,214,262 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.3

Radius: 5.8

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 8.77 AU - 9.95 AU

Year: 18786 Days

Day: 23.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,415,053 km

• M1: 76,594 km (0.1 R)
• M2: 406,607 km (0.076 R)
• M3: 805,285 km (0.099 R)
• M4: 1,587,533 km (0.117 R)
• M5: 4,109,454 km (0.063 R)
• M6: 6,185,274 km (0.112 R)
• M7: 6,892,871 km (0.08 R)
• M8: 7,206,429 km (0.103 R)
• M9: 7,694,566 km (0.063 R)
• M10: 9,771,583 km (0.081 R)
• M11: 10,991,105 km (0.103 R)
• M12: 12,365,910 km (0.091 R)
• M13: 13,975,283 km (0.068 R)
• M14: 14,669,268 km (0.077 R)
• M15: 15,854,083 km (0.096 R)
• M16: 17,172,489 km (0.058 R)
• M17: 23,794,289 km (0.104 R)
• M18: 26,363,334 km (0.088 R)
• M19: 27,421,290 km (0.106 R)
• M20: 33,138,322 km (0.117 R)
• M21: 34,939,480 km (0.095 R)
• M22: 41,886,207 km (0.119 R)
• M23: 44,796,334 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.4

Radius: 7

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.11 AU - 10.99 AU

Year: 20901 Days

Day: 15.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,415,053 km

• M1: 87,216 km (0.069 R)
• M2: 401,820 km (0.117 R)
• M3: 1,129,165 km (0.104 R)
• M4: 1,404,126 km (0.073 R)
• M5: 1,834,369 km (0.063 R)
• M6: 2,349,435 km (0.12 R)
• M7: 2,727,169 km (0.113 R)
• M8: 3,311,798 km (0.113 R)
• M9: 3,756,403 km (0.089 R)
• M10: 4,140,121 km (0.116 R)
• M11: 5,099,343 km (0.112 R)
• M12: 5,449,701 km (0.108 R)
• M13: 8,584,823 km (0.106 R)
• M14: 10,875,316 km (0.117 R)
• M15: 12,893,242 km (0.114 R)
• M16: 15,307,602 km (0.091 R)
• M17: 16,285,673 km (0.12 R)
• M18: 16,536,549 km (0.091 R)
• M19: 17,566,231 km (0.096 R)
• M20: 20,422,802 km (0.098 R)
• M21: 22,113,856 km (0.094 R)
• M22: 24,004,026 km (0.117 R)
• M23: 33,851,305 km (0.057 R)
• M24: 41,105,456 km (0.082 R)
• M25: 46,421,416 km (0.07 R)
• M26: 47,775,875 km (0.109 R)
• M27: 51,276,765 km (0.044 R)
• M28: 51,635,949 km (0.097 R)
• M29: 53,089,741 km (0.058 R)
• M30: 54,944,904 km (0.1 R)
• M31: 63,209,888 km (0.114 R)
• M32: 65,715,053 km (0.102 R)
• M33: 66,778,096 km (0.045 R)
• M34: 70,256,994 km (0.118 R)
• M35: 73,171,011 km (0.074 R)
• M36: 74,773,055 km (0.119 R)
• M37: 75,235,013 km (0.089 R)
• M38: 80,928,110 km (0.11 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 14,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit