🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.1

Radius: 9.1

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.7 AU - 1.06 AU

Year: 550 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 141.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,972,001 km

• M1: 113,096 km (0.119 R)
• M2: 441,314 km (0.087 R)
• M3: 759,508 km (0.117 R)
• M4: 1,483,861 km (0.055 R)
• M5: 1,789,340 km (0.069 R)
• M6: 2,529,999 km (0.111 R)
• M7: 2,858,666 km (0.046 R)
• M8: 3,288,460 km (0.048 R)
• M9: 4,746,890 km (0.109 R)
• M10: 5,951,153 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.3

Radius: 8

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.49 AU - 1.89 AU

Year: 1465 Days

Day: 12.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,972,001 km

• M1: 99,632 km (0.049 R)
• M2: 414,685 km (0.098 R)
• M3: 968,048 km (0.067 R)
• M4: 1,516,174 km (0.105 R)
• M5: 1,793,379 km (0.083 R)
• M6: 2,169,020 km (0.111 R)
• M7: 3,512,857 km (0.054 R)
• M8: 4,137,279 km (0.073 R)
• M9: 4,777,558 km (0.117 R)
• M10: 7,096,325 km (0.111 R)
• M11: 7,724,486 km (0.096 R)
• M12: 8,581,831 km (0.104 R)
• M13: 9,091,212 km (0.064 R)
• M14: 9,650,559 km (0.089 R)
• M15: 10,612,174 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.7

Radius: 10.8

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.78 AU - 2.96 AU

Year: 2433 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 85.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,972,001 km

• M1: 134,339 km (0.111 R)
• M2: 526,734 km (0.037 R)
• M3: 871,408 km (0.084 R)
• M4: 1,900,791 km (0.041 R)
• M5: 2,270,297 km (0.041 R)
• M6: 2,658,653 km (0.098 R)
• M7: 2,994,800 km (0.079 R)
• M8: 3,535,147 km (0.082 R)
• M9: 4,001,593 km (0.089 R)
• M10: 5,727,354 km (0.063 R)
• M11: 6,135,158 km (0.104 R)
• M12: 6,895,863 km (0.115 R)
• M13: 7,933,624 km (0.114 R)
• M14: 8,280,392 km (0.101 R)
• M15: 8,803,087 km (0.064 R)
• M16: 9,382,330 km (0.071 R)
• M17: 10,541,564 km (0.029 R)
• M18: 12,582,827 km (0.044 R)
• M19: 13,362,531 km (0.082 R)
• M20: 14,451,753 km (0.075 R)
• M21: 14,922,687 km (0.047 R)
• M22: 17,169,796 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.5

Radius: 13.1

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.58 AU - 2.7 AU

Year: 2860 Days

Day: 12.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,972,001 km

• M1: 162,912 km (0.046 R)
• M2: 592,557 km (0.108 R)
• M3: 1,052,271 km (0.061 R)
• M4: 1,703,920 km (0.097 R)
• M5: 2,143,588 km (0.116 R)
• M6: 2,705,328 km (0.063 R)
• M7: 3,489,969 km (0.078 R)
• M8: 5,339,597 km (0.059 R)
• M9: 6,216,390 km (0.05 R)
• M10: 7,277,338 km (0.042 R)
• M11: 8,027,871 km (0.108 R)
• M12: 8,760,451 km (0.075 R)
• M13: 10,631,023 km (0.053 R)
• M14: 12,404,506 km (0.081 R)
• M15: 13,338,894 km (0.043 R)
• M16: 13,753,430 km (0.105 R)
• M17: 14,803,308 km (0.102 R)
• M18: 16,477,457 km (0.115 R)
• M19: 18,901,541 km (0.049 R)
• M20: 20,138,566 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 8.6

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.55 AU - 3.63 AU

Year: 4536 Days

Day: 10 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,972,001 km

• M1: 110,553 km (0.058 R)
• M2: 401,221 km (0.099 R)
• M3: 745,147 km (0.056 R)
• M4: 1,215,632 km (0.071 R)
• M5: 1,543,102 km (0.112 R)
• M6: 2,284,210 km (0.116 R)
• M7: 2,752,900 km (0.099 R)
• M8: 3,264,226 km (0.09 R)
• M9: 4,019,994 km (0.105 R)
• M10: 4,887,662 km (0.063 R)
• M11: 5,551,278 km (0.096 R)
• M12: 6,056,769 km (0.081 R)
• M13: 7,508,018 km (0.08 R)
• M14: 7,794,947 km (0.086 R)
• M15: 12,077,784 km (0.069 R)
• M16: 14,083,443 km (0.045 R)
• M17: 14,355,711 km (0.071 R)
• M18: 16,361,070 km (0.116 R)
• M19: 17,275,263 km (0.079 R)
• M20: 17,839,845 km (0.101 R)
• M21: 20,359,971 km (0.08 R)
• M22: 20,989,928 km (0.1 R)
• M23: 21,922,820 km (0.097 R)
• M24: 23,183,930 km (0.106 R)
• M25: 24,807,815 km (0.102 R)
• M26: 25,931,594 km (0.041 R)
• M27: 28,714,264 km (0.064 R)
• M28: 30,132,602 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.6

Radius: 13.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.41 AU - 4.89 AU

Year: 5638 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,972,001 km

• M1: 171,738 km (0.036 R)
• M2: 990,338 km (0.106 R)
• M3: 1,615,657 km (0.05 R)
• M4: 2,103,795 km (0.083 R)
• M5: 3,228,172 km (0.09 R)
• M6: 5,508,493 km (0.072 R)
• M7: 6,808,199 km (0.105 R)
• M8: 8,007,525 km (0.045 R)
• M9: 8,675,031 km (0.048 R)
• M10: 10,236,234 km (0.096 R)
• M11: 10,783,015 km (0.115 R)
• M12: 11,349,093 km (0.06 R)
• M13: 11,935,068 km (0.089 R)
• M14: 12,497,257 km (0.119 R)
• M15: 13,259,009 km (0.104 R)
• M16: 13,862,187 km (0.108 R)
• M17: 15,374,921 km (0.093 R)
• M18: 16,354,937 km (0.112 R)
• M19: 17,103,375 km (0.063 R)
• M20: 17,541,248 km (0.093 R)
• M21: 19,074,626 km (0.111 R)
• M22: 19,545,710 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878

Radius: 8.7

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.42 AU - 6.08 AU

Year: 8022 Days

Day: 6.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,972,001 km

• M1: 108,458 km (0.061 R)
• M2: 712,684 km (0.089 R)
• M3: 1,224,608 km (0.04 R)
• M4: 1,824,496 km (0.055 R)
• M5: 2,627,537 km (0.083 R)
• M6: 2,914,167 km (0.063 R)
• M7: 3,648,692 km (0.119 R)
• M8: 4,113,343 km (0.1 R)
• M9: 4,646,061 km (0.092 R)
• M10: 8,589,012 km (0.09 R)
• M11: 8,903,018 km (0.055 R)
• M12: 9,412,100 km (0.08 R)
• M13: 9,989,398 km (0.083 R)
• M14: 10,286,798 km (0.083 R)
• M15: 12,029,763 km (0.065 R)
• M16: 12,366,658 km (0.066 R)
• M17: 14,585,044 km (0.092 R)
• M18: 18,725,465 km (0.119 R)
• M19: 19,407,481 km (0.079 R)
• M20: 19,715,803 km (0.115 R)
• M21: 20,027,565 km (0.028 R)
• M22: 20,901,515 km (0.119 R)
• M23: 25,380,326 km (0.098 R)
• M24: 29,536,155 km (0.081 R)
• M25: 33,127,252 km (0.089 R)
• M26: 34,913,600 km (0.057 R)
• M27: 38,192,935 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558

Radius: 3.7

Gravity: 40.76 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.51 AU - 7.95 AU

Year: 11643 Days

Day: 18.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,972,001 km

• M1: 46,375 km (0.087 R)
• M2: 245,041 km (0.045 R)
• M3: 688,449 km (0.108 R)
• M4: 847,622 km (0.119 R)
• M5: 1,031,178 km (0.111 R)
• M6: 3,407,690 km (0.084 R)
• M7: 5,087,225 km (0.113 R)
• M8: 5,905,077 km (0.114 R)
• M9: 7,373,380 km (0.107 R)
• M10: 8,416,526 km (0.096 R)
• M11: 8,691,935 km (0.11 R)
• M12: 10,108,627 km (0.089 R)
• M13: 10,898,504 km (0.093 R)
• M14: 17,537,957 km (0.025 R)
• M15: 17,686,807 km (0.115 R)
• M16: 20,761,043 km (0.063 R)
• M17: 23,265,012 km (0.051 R)
• M18: 28,143,698 km (0.095 R)
• M19: 28,450,224 km (0.047 R)
• M20: 38,337,895 km (0.064 R)
• M21: 43,157,191 km (0.102 R)
• M22: 47,927,567 km (0.087 R)
• M23: 48,804,361 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.2

Radius: 7.7

Gravity: 14.47 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.24 AU - 7.76 AU

Year: 13697 Days

Day: 17.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,972,001 km

• M1: 97,538 km (0.107 R)
• M2: 479,312 km (0.05 R)
• M3: 975,378 km (0.111 R)
• M4: 1,390,512 km (0.099 R)
• M5: 2,361,851 km (0.069 R)
• M6: 2,991,060 km (0.12 R)
• M7: 3,267,068 km (0.101 R)
• M8: 3,727,231 km (0.06 R)
• M9: 4,017,600 km (0.04 R)
• M10: 8,586,768 km (0.101 R)
• M11: 10,740,828 km (0.11 R)
• M12: 11,151,773 km (0.057 R)
• M13: 18,059,904 km (0.108 R)
• M14: 19,840,866 km (0.073 R)
• M15: 20,193,020 km (0.091 R)
• M16: 20,728,879 km (0.07 R)
• M17: 21,091,355 km (0.096 R)
• M18: 28,696,761 km (0.091 R)
• M19: 42,434,334 km (0.1 R)
• M20: 44,204,376 km (0.079 R)
• M21: 46,176,824 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.2

Radius: 5.8

Gravity: 20.31 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.58 AU - 9.92 AU

Year: 15802 Days

Day: 24.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,972,001 km

• M1: 72,705 km (0.058 R)
• M2: 282,590 km (0.071 R)
• M3: 1,466,508 km (0.108 R)
• M4: 1,704,668 km (0.108 R)
• M5: 2,159,146 km (0.115 R)
• M6: 2,447,122 km (0.099 R)
• M7: 2,760,380 km (0.102 R)
• M8: 3,202,142 km (0.087 R)
• M9: 3,467,230 km (0.063 R)
• M10: 4,071,904 km (0.101 R)
• M11: 5,907,620 km (0.091 R)
• M12: 7,568,156 km (0.092 R)
• M13: 8,988,588 km (0.107 R)
• M14: 9,571,122 km (0.099 R)
• M15: 14,515,332 km (0.115 R)
• M16: 14,730,902 km (0.069 R)
• M17: 16,926,251 km (0.111 R)
• M18: 17,245,194 km (0.111 R)
• M19: 18,645,879 km (0.082 R)
• M20: 20,932,183 km (0.106 R)
• M21: 22,813,226 km (0.082 R)
• M22: 24,906,549 km (0.11 R)
• M23: 29,127,603 km (0.111 R)
• M24: 30,989,049 km (0.074 R)
• M25: 35,076,063 km (0.104 R)
• M26: 35,464,569 km (0.115 R)
• M27: 42,514,817 km (0.027 R)
• M28: 45,363,460 km (0.104 R)
• M29: 46,288,723 km (0.084 R)
• M30: 47,384,078 km (0.078 R)
• M31: 50,608,810 km (0.083 R)
• M32: 51,270,930 km (0.097 R)
• M33: 54,494,615 km (0.116 R)
• M34: 58,212,122 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 12,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit