🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.15 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.9

Radius: 11.4

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.02 AU - 2.58 AU

Year: 2218 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 175.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,433,399 km

• M1: 145,110 km (0.114 R)
• M2: 515,065 km (0.075 R)
• M3: 959,072 km (0.077 R)
• M4: 1,683,724 km (0.116 R)
• M5: 2,220,332 km (0.119 R)
• M6: 2,654,465 km (0.065 R)
• M7: 3,368,495 km (0.099 R)
• M8: 4,436,624 km (0.1 R)
• M9: 6,133,064 km (0.083 R)
• M10: 6,995,645 km (0.062 R)
• M11: 7,842,668 km (0.108 R)
• M12: 8,927,253 km (0.088 R)
• M13: 9,740,317 km (0.117 R)
• M14: 10,410,665 km (0.095 R)
• M15: 11,968,578 km (0.118 R)
• M16: 12,737,810 km (0.081 R)
• M17: 13,448,849 km (0.115 R)
• M18: 14,469,704 km (0.065 R)
• M19: 17,247,288 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.3

Radius: 13.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.04 AU - 2.82 AU

Year: 2408 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,433,399 km

• M1: 182,210 km (0.088 R)
• M2: 767,138 km (0.118 R)
• M3: 2,089,134 km (0.089 R)
• M4: 5,006,592 km (0.091 R)
• M5: 5,482,313 km (0.116 R)
• M6: 7,162,896 km (0.117 R)
• M7: 7,913,877 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.4

Radius: 14.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.46 AU - 3.66 AU

Year: 3403 Days

Day: 10.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,433,399 km

• M1: 178,171 km (0.06 R)
• M2: 725,101 km (0.113 R)
• M3: 1,359,845 km (0.07 R)
• M4: 2,232,150 km (0.097 R)
• M5: 2,700,242 km (0.104 R)
• M6: 3,819,682 km (0.113 R)
• M7: 5,636,997 km (0.072 R)
• M8: 6,149,370 km (0.069 R)
• M9: 8,244,638 km (0.029 R)
• M10: 8,800,095 km (0.073 R)
• M11: 9,380,385 km (0.11 R)
• M12: 10,298,916 km (0.086 R)
• M13: 11,360,761 km (0.081 R)
• M14: 12,584,622 km (0.102 R)
• M15: 14,383,835 km (0.07 R)
• M16: 15,293,690 km (0.096 R)
• M17: 15,762,828 km (0.084 R)
• M18: 17,622,480 km (0.069 R)
• M19: 18,546,695 km (0.097 R)
• M20: 19,200,438 km (0.117 R)
• M21: 19,685,733 km (0.112 R)
• M22: 21,513,520 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 12.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.69 AU - 3.49 AU

Year: 3454 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,433,399 km

• M1: 157,975 km (0.098 R)
• M2: 739,163 km (0.035 R)
• M3: 1,335,311 km (0.09 R)
• M4: 1,938,489 km (0.076 R)
• M5: 2,750,955 km (0.03 R)
• M6: 3,336,631 km (0.108 R)
• M7: 3,779,141 km (0.041 R)
• M8: 4,239,155 km (0.078 R)
• M9: 4,951,091 km (0.103 R)
• M10: 5,529,736 km (0.088 R)
• M11: 7,129,087 km (0.084 R)
• M12: 8,909,301 km (0.108 R)
• M13: 9,961,273 km (0.114 R)
• M14: 10,639,550 km (0.109 R)
• M15: 11,136,514 km (0.105 R)
• M16: 11,955,263 km (0.066 R)
• M17: 13,568,228 km (0.071 R)
• M18: 15,062,561 km (0.076 R)
• M19: 15,796,338 km (0.076 R)
• M20: 17,391,949 km (0.03 R)
• M21: 19,213,902 km (0.051 R)
• M22: 19,828,001 km (0.119 R)
• M23: 21,682,865 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.9

Radius: 12.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.14 AU - 3.8 AU

Year: 4110 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,433,399 km

• M1: 671,096 km (0.116 R)
• M2: 1,820,606 km (0.04 R)
• M3: 2,418,998 km (0.07 R)
• M4: 2,997,044 km (0.083 R)
• M5: 3,968,981 km (0.034 R)
• M6: 4,726,844 km (0.071 R)
• M7: 5,384,177 km (0.104 R)
• M8: 7,313,242 km (0.092 R)
• M9: 17,406,311 km (0.059 R)
• M10: 18,335,912 km (0.109 R)
• M11: 18,780,816 km (0.067 R)
• M12: 19,825,159 km (0.089 R)
• M13: 20,565,219 km (0.039 R)
• M14: 21,533,716 km (0.117 R)
• M15: 24,699,057 km (0.11 R)
• M16: 25,477,265 km (0.039 R)
• M17: 27,165,029 km (0.105 R)
• M18: 28,162,248 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.4

Radius: 12

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.01 AU - 4.13 AU

Year: 5221 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,433,399 km

• M1: 152,440 km (0.1 R)
• M2: 790,176 km (0.084 R)
• M3: 1,250,788 km (0.101 R)
• M4: 2,061,459 km (0.036 R)
• M5: 3,210,670 km (0.059 R)
• M6: 4,254,863 km (0.113 R)
• M7: 5,234,878 km (0.1 R)
• M8: 6,776,933 km (0.061 R)
• M9: 7,557,834 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 13.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.16 AU - 4.2 AU

Year: 5434 Days

Day: 9 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,433,399 km

• M1: 167,849 km (0.044 R)
• M2: 684,111 km (0.11 R)
• M3: 1,475,933 km (0.108 R)
• M4: 1,929,813 km (0.068 R)
• M5: 2,384,889 km (0.099 R)
• M6: 3,019,783 km (0.095 R)
• M7: 4,274,460 km (0.091 R)
• M8: 4,930,746 km (0.114 R)
• M9: 5,514,477 km (0.099 R)
• M10: 6,821,065 km (0.101 R)
• M11: 7,377,868 km (0.091 R)
• M12: 8,143,510 km (0.056 R)
• M13: 9,833,816 km (0.111 R)
• M14: 10,718,388 km (0.083 R)
• M15: 11,382,154 km (0.103 R)
• M16: 12,597,786 km (0.104 R)
• M17: 13,187,202 km (0.113 R)
• M18: 14,263,110 km (0.085 R)
• M19: 16,014,003 km (0.089 R)
• M20: 18,088,776 km (0.119 R)
• M21: 18,649,918 km (0.116 R)
• M22: 19,094,523 km (0.113 R)
• M23: 20,808,166 km (0.088 R)
• M24: 24,539,586 km (0.068 R)
• M25: 26,803,450 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.4

Radius: 3

Gravity: 31.93 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.76 AU - 7.28 AU

Year: 10585 Days

Day: 22.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,433,399 km

• M1: 37,250 km (0.092 R)
• M2: 165,455 km (0.096 R)
• M3: 514,317 km (0.07 R)
• M4: 1,190,051 km (0.101 R)
• M5: 2,162,138 km (0.107 R)
• M6: 2,262,967 km (0.049 R)
• M7: 3,685,194 km (0.113 R)
• M8: 4,027,623 km (0.107 R)
• M9: 5,242,508 km (0.049 R)
• M10: 7,339,720 km (0.097 R)
• M11: 13,028,628 km (0.044 R)
• M12: 15,309,397 km (0.106 R)
• M13: 15,433,115 km (0.078 R)
• M14: 16,641,417 km (0.094 R)
• M15: 16,837,689 km (0.03 R)
• M16: 17,571,018 km (0.108 R)
• M17: 18,745,660 km (0.096 R)
• M18: 21,250,078 km (0.106 R)
• M19: 22,184,616 km (0.114 R)
• M20: 22,343,040 km (0.051 R)
• M21: 27,635,364 km (0.083 R)
• M22: 37,270,814 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.8

Radius: 4.2

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.37 AU - 8.95 AU

Year: 12182 Days

Day: 15.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,433,399 km

• M1: 52,359 km (0.107 R)
• M2: 189,241 km (0.105 R)
• M3: 329,714 km (0.104 R)
• M4: 486,492 km (0.102 R)
• M5: 921,972 km (0.086 R)
• M6: 1,409,810 km (0.097 R)
• M7: 1,605,784 km (0.096 R)
• M8: 1,792,033 km (0.069 R)
• M9: 2,022,563 km (0.103 R)
• M10: 2,256,235 km (0.114 R)
• M11: 3,046,710 km (0.057 R)
• M12: 3,375,377 km (0.065 R)
• M13: 3,526,471 km (0.081 R)
• M14: 3,772,858 km (0.082 R)
• M15: 5,499,966 km (0.118 R)
• M16: 6,701,835 km (0.078 R)
• M17: 7,292,298 km (0.104 R)
• M18: 8,145,454 km (0.096 R)
• M19: 8,696,274 km (0.069 R)
• M20: 10,680,690 km (0.067 R)
• M21: 11,006,963 km (0.075 R)
• M22: 11,291,946 km (0.11 R)
• M23: 12,226,784 km (0.065 R)
• M24: 13,751,186 km (0.042 R)
• M25: 15,754,451 km (0.117 R)
• M26: 20,328,107 km (0.102 R)
• M27: 21,191,735 km (0.117 R)
• M28: 22,685,171 km (0.119 R)
• M29: 24,087,950 km (0.118 R)
• M30: 29,634,740 km (0.113 R)
• M31: 31,689,167 km (0.05 R)
• M32: 31,976,545 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956

Radius: 5.3

Gravity: 34.03 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.41 AU - 9.27 AU

Year: 16711 Days

Day: 23.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 156.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,433,399 km

• M1: 65,973 km (0.079 R)
• M2: 320,289 km (0.064 R)
• M3: 659,876 km (0.087 R)
• M4: 1,174,343 km (0.12 R)
• M5: 1,847,534 km (0.112 R)
• M6: 2,246,661 km (0.101 R)
• M7: 3,582,271 km (0.107 R)
• M8: 3,945,793 km (0.118 R)
• M9: 5,109,814 km (0.086 R)
• M10: 5,298,457 km (0.076 R)
• M11: 5,689,656 km (0.064 R)
• M12: 6,355,516 km (0.092 R)
• M13: 7,306,659 km (0.104 R)
• M14: 7,497,995 km (0.092 R)
• M15: 8,824,629 km (0.084 R)
• M16: 10,663,187 km (0.047 R)
• M17: 13,876,998 km (0.116 R)
• M18: 14,847,140 km (0.093 R)
• M19: 16,102,266 km (0.075 R)
• M20: 16,838,587 km (0.106 R)
• M21: 19,091,381 km (0.114 R)
• M22: 20,102,214 km (0.119 R)
• M23: 20,289,660 km (0.047 R)
• M24: 29,869,758 km (0.111 R)
• M25: 31,229,902 km (0.116 R)
• M26: 32,501,783 km (0.12 R)
• M27: 32,760,139 km (0.06 R)
• M28: 33,675,528 km (0.073 R)
• M29: 41,926,000 km (0.111 R)
• M30: 64,888,376 km (0.09 R)
• M31: 71,873,399 km (0.117 R)
• M32: 75,433,380 km (0.102 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 12,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit