🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.9

Radius: 15

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.26 AU - 1.54 AU

Year: 1053 Days

Day: 6.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,877,908 km

• M1: 190,288 km (0.08 R)
• M2: 727,794 km (0.099 R)
• M3: 1,347,578 km (0.057 R)
• M4: 2,121,148 km (0.114 R)
• M5: 2,954,708 km (0.112 R)
• M6: 3,593,191 km (0.113 R)
• M7: 4,291,514 km (0.098 R)
• M8: 6,243,617 km (0.026 R)
• M9: 7,839,527 km (0.119 R)
• M10: 8,758,955 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45

Radius: 10.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.53 AU - 1.61 AU

Year: 1251 Days

Day: 12.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,877,908 km

• M1: 135,685 km (0.087 R)
• M2: 509,381 km (0.114 R)
• M3: 871,856 km (0.116 R)
• M4: 1,734,438 km (0.032 R)
• M5: 2,095,417 km (0.062 R)
• M6: 2,690,219 km (0.049 R)
• M7: 4,015,805 km (0.117 R)
• M8: 4,560,790 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.4

Radius: 12.9

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.61 AU - 4.33 AU

Year: 5029 Days

Day: 8.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,877,908 km

• M1: 160,369 km (0.081 R)
• M2: 613,650 km (0.071 R)
• M3: 1,071,270 km (0.119 R)
• M4: 1,827,787 km (0.092 R)
• M5: 3,513,306 km (0.097 R)
• M6: 4,620,779 km (0.106 R)
• M7: 5,406,168 km (0.102 R)
• M8: 5,831,325 km (0.117 R)
• M9: 10,128,075 km (0.057 R)
• M10: 10,954,753 km (0.078 R)
• M11: 12,643,862 km (0.111 R)
• M12: 13,550,874 km (0.082 R)
• M13: 14,339,405 km (0.079 R)
• M14: 16,123,659 km (0.086 R)
• M15: 16,769,921 km (0.113 R)
• M16: 17,802,745 km (0.072 R)
• M17: 18,429,710 km (0.118 R)
• M18: 22,145,422 km (0.112 R)
• M19: 27,895,515 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638

Radius: 9.2

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.23 AU - 4.87 AU

Year: 5182 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,877,908 km

• M1: 115,639 km (0.075 R)
• M2: 490,083 km (0.053 R)
• M3: 993,479 km (0.089 R)
• M4: 1,589,477 km (0.077 R)
• M5: 2,203,277 km (0.11 R)
• M6: 3,042,970 km (0.064 R)
• M7: 3,400,360 km (0.084 R)
• M8: 4,152,538 km (0.051 R)
• M9: 4,443,206 km (0.104 R)
• M10: 5,715,536 km (0.086 R)
• M11: 6,484,021 km (0.082 R)
• M12: 7,078,672 km (0.112 R)
• M13: 7,673,324 km (0.075 R)
• M14: 9,163,318 km (0.11 R)
• M15: 9,658,338 km (0.077 R)
• M16: 9,998,074 km (0.038 R)
• M17: 10,656,754 km (0.061 R)
• M18: 12,109,499 km (0.114 R)
• M19: 12,605,117 km (0.086 R)
• M20: 13,217,720 km (0.082 R)
• M21: 14,119,197 km (0.084 R)
• M22: 14,724,021 km (0.045 R)
• M23: 18,074,564 km (0.087 R)
• M24: 18,396,349 km (0.076 R)
• M25: 18,787,697 km (0.102 R)
• M26: 24,314,740 km (0.088 R)
• M27: 26,983,417 km (0.083 R)
• M28: 28,605,357 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.8

Radius: 12.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.37 AU - 4.75 AU

Year: 5201 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,877,908 km

• M1: 153,039 km (0.114 R)
• M2: 567,126 km (0.073 R)
• M3: 1,115,551 km (0.101 R)
• M4: 1,545,645 km (0.099 R)
• M5: 2,062,057 km (0.045 R)
• M6: 2,952,015 km (0.111 R)
• M7: 3,448,081 km (0.084 R)
• M8: 4,253,516 km (0.086 R)
• M9: 4,724,450 km (0.064 R)
• M10: 5,155,741 km (0.094 R)
• M11: 7,722,392 km (0.095 R)
• M12: 9,580,996 km (0.119 R)
• M13: 10,434,003 km (0.085 R)
• M14: 11,002,774 km (0.097 R)
• M15: 15,897,616 km (0.1 R)
• M16: 20,342,468 km (0.036 R)
• M17: 20,783,632 km (0.07 R)
• M18: 21,881,681 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.9

Radius: 13.5

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.4 AU - 5.22 AU

Year: 6707 Days

Day: 5.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,877,908 km

• M1: 168,597 km (0.091 R)
• M2: 589,416 km (0.051 R)
• M3: 1,191,846 km (0.114 R)
• M4: 1,614,011 km (0.109 R)
• M5: 2,735,397 km (0.099 R)
• M6: 3,623,859 km (0.115 R)
• M7: 9,817,360 km (0.111 R)
• M8: 10,642,093 km (0.069 R)
• M9: 12,547,821 km (0.088 R)
• M10: 13,149,354 km (0.087 R)
• M11: 14,584,147 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.7

Radius: 13.8

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.34 AU - 6.26 AU

Year: 7758 Days

Day: 7.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,877,908 km

• M1: 176,077 km (0.11 R)
• M2: 744,100 km (0.067 R)
• M3: 2,326,396 km (0.06 R)
• M4: 3,523,927 km (0.118 R)
• M5: 4,182,756 km (0.099 R)
• M6: 5,463,613 km (0.085 R)
• M7: 6,665,333 km (0.05 R)
• M8: 8,962,259 km (0.082 R)
• M9: 10,242,368 km (0.118 R)
• M10: 11,331,141 km (0.079 R)
• M11: 11,850,844 km (0.093 R)
• M12: 12,550,364 km (0.055 R)
• M13: 15,500,733 km (0.105 R)
• M14: 17,477,818 km (0.077 R)
• M15: 19,322,959 km (0.085 R)
• M16: 22,491,591 km (0.034 R)
• M17: 24,499,194 km (0.103 R)
• M18: 27,173,556 km (0.083 R)
• M19: 27,637,608 km (0.083 R)
• M20: 32,157,558 km (0.078 R)
• M21: 35,028,341 km (0.036 R)
• M22: 36,021,970 km (0.109 R)
• M23: 37,719,906 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.6

Radius: 15

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.78 AU - 7.28 AU

Year: 9415 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,877,908 km

• M1: 186,549 km (0.098 R)
• M2: 1,207,404 km (0.112 R)
• M3: 2,530,897 km (0.12 R)
• M4: 3,453,916 km (0.058 R)
• M5: 4,072,802 km (0.053 R)
• M6: 4,794,612 km (0.101 R)
• M7: 6,175,400 km (0.066 R)
• M8: 9,665,070 km (0.025 R)
• M9: 12,020,638 km (0.116 R)
• M10: 13,510,333 km (0.096 R)
• M11: 14,611,523 km (0.059 R)
• M12: 19,469,864 km (0.11 R)
• M13: 22,513,732 km (0.069 R)
• M14: 25,677,876 km (0.115 R)
• M15: 26,232,735 km (0.068 R)
• M16: 30,859,797 km (0.096 R)
• M17: 33,640,073 km (0.111 R)
• M18: 40,188,720 km (0.073 R)
• M19: 41,314,893 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828

Radius: 4.9

Gravity: 34.49 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.05 AU - 7.59 AU

Year: 10102 Days

Day: 22.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,877,908 km

• M1: 61,036 km (0.066 R)
• M2: 237,711 km (0.084 R)
• M3: 424,409 km (0.082 R)
• M4: 592,856 km (0.073 R)
• M5: 816,056 km (0.095 R)
• M6: 1,094,159 km (0.06 R)
• M7: 1,532,181 km (0.116 R)
• M8: 2,061,309 km (0.114 R)
• M9: 2,358,111 km (0.095 R)
• M10: 3,106,699 km (0.085 R)
• M11: 3,421,602 km (0.078 R)
• M12: 4,114,839 km (0.071 R)
• M13: 4,316,497 km (0.102 R)
• M14: 6,634,366 km (0.045 R)
• M15: 8,697,171 km (0.119 R)
• M16: 8,981,856 km (0.031 R)
• M17: 11,658,162 km (0.114 R)
• M18: 11,830,499 km (0.096 R)
• M19: 15,712,264 km (0.073 R)
• M20: 17,372,352 km (0.055 R)
• M21: 28,892,286 km (0.116 R)
• M22: 33,523,686 km (0.098 R)
• M23: 33,872,249 km (0.107 R)
• M24: 39,009,290 km (0.091 R)
• M25: 43,529,689 km (0.087 R)
• M26: 45,630,492 km (0.106 R)
• M27: 47,944,622 km (0.085 R)
• M28: 48,832,335 km (0.092 R)
• M29: 49,730,820 km (0.081 R)
• M30: 50,487,935 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.5

Radius: 7.3

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.6 AU - 11.44 AU

Year: 20167 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,877,908 km

• M1: 90,806 km (0.098 R)
• M2: 319,990 km (0.073 R)
• M3: 805,734 km (0.119 R)
• M4: 1,165,816 km (0.062 R)
• M5: 1,773,184 km (0.079 R)
• M6: 2,004,013 km (0.117 R)
• M7: 5,894,156 km (0.099 R)
• M8: 16,048,411 km (0.054 R)
• M9: 22,551,580 km (0.094 R)
• M10: 24,799,587 km (0.105 R)
• M11: 29,611,403 km (0.078 R)
• M12: 33,098,678 km (0.115 R)
• M13: 35,569,886 km (0.116 R)
• M14: 41,965,793 km (0.08 R)
• M15: 46,015,557 km (0.09 R)
• M16: 52,293,581 km (0.1 R)
• M17: 54,506,882 km (0.068 R)
• M18: 56,398,397 km (0.035 R)
• M19: 58,137,772 km (0.101 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 10,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit