🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.3

Radius: 9.3

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.61 AU - 0.67 AU

Year: 353 Days

Day: 6.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,460,291 km

• M1: 115,789 km (0.098 R)
• M2: 406,009 km (0.101 R)
• M3: 812,167 km (0.087 R)
• M4: 1,111,213 km (0.101 R)
• M5: 1,603,540 km (0.079 R)
• M6: 2,194,002 km (0.12 R)
• M7: 2,540,172 km (0.119 R)
• M8: 3,155,468 km (0.097 R)
• M9: 3,792,456 km (0.045 R)
• M10: 4,122,319 km (0.105 R)
• M11: 4,928,053 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999

Radius: 13.1

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.98 AU - 3.08 AU

Year: 2778 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,460,291 km

• M1: 162,912 km (0.076 R)
• M2: 802,144 km (0.034 R)
• M3: 1,217,278 km (0.089 R)
• M4: 2,201,482 km (0.115 R)
• M5: 2,899,506 km (0.058 R)
• M6: 4,307,371 km (0.044 R)
• M7: 5,052,219 km (0.117 R)
• M8: 6,649,775 km (0.106 R)
• M9: 7,711,471 km (0.102 R)
• M10: 8,775,261 km (0.05 R)
• M11: 9,741,065 km (0.108 R)
• M12: 10,170,411 km (0.087 R)
• M13: 11,406,239 km (0.032 R)
• M14: 12,194,470 km (0.051 R)
• M15: 15,662,448 km (0.119 R)
• M16: 16,471,324 km (0.102 R)
• M17: 20,876,233 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.1

Radius: 13.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.71 AU - 3.07 AU

Year: 3391 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,460,291 km

• M1: 173,384 km (0.083 R)
• M2: 646,263 km (0.11 R)
• M3: 1,748,949 km (0.088 R)
• M4: 2,369,181 km (0.072 R)
• M5: 2,831,140 km (0.067 R)
• M6: 4,682,862 km (0.091 R)
• M7: 6,473,997 km (0.115 R)
• M8: 7,479,295 km (0.101 R)
• M9: 15,866,051 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.2

Radius: 15

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.23 AU - 4.55 AU

Year: 6349 Days

Day: 8.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,460,291 km

• M1: 232,774 km (0.047 R)
• M2: 752,178 km (0.107 R)
• M3: 2,488,411 km (0.109 R)
• M4: 3,091,739 km (0.056 R)
• M5: 3,772,410 km (0.093 R)
• M6: 5,186,857 km (0.1 R)
• M7: 5,721,371 km (0.108 R)
• M8: 6,635,862 km (0.082 R)
• M9: 7,455,060 km (0.083 R)
• M10: 14,247,701 km (0.068 R)
• M11: 14,944,827 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.7

Radius: 9.8

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.89 AU - 5.27 AU

Year: 6766 Days

Day: 14 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,460,291 km

• M1: 122,371 km (0.098 R)
• M2: 446,400 km (0.064 R)
• M3: 1,047,185 km (0.081 R)
• M4: 1,431,652 km (0.115 R)
• M5: 1,791,883 km (0.085 R)
• M6: 2,456,547 km (0.064 R)
• M7: 2,836,525 km (0.064 R)
• M8: 3,344,410 km (0.057 R)
• M9: 3,739,947 km (0.102 R)
• M10: 4,999,262 km (0.084 R)
• M11: 5,330,920 km (0.066 R)
• M12: 6,038,967 km (0.111 R)
• M13: 6,881,352 km (0.057 R)
• M14: 10,211,850 km (0.097 R)
• M15: 10,649,124 km (0.082 R)
• M16: 12,634,438 km (0.083 R)
• M17: 15,290,847 km (0.112 R)
• M18: 15,671,125 km (0.119 R)
• M19: 17,876,497 km (0.091 R)
• M20: 25,634,044 km (0.06 R)
• M21: 26,533,426 km (0.082 R)
• M22: 28,394,873 km (0.107 R)
• M23: 29,945,604 km (0.065 R)
• M24: 30,641,384 km (0.111 R)
• M25: 32,480,241 km (0.117 R)
• M26: 36,040,670 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.7

Radius: 8

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.91 AU - 5.59 AU

Year: 7146 Days

Day: 8.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,460,291 km

• M1: 99,782 km (0.082 R)
• M2: 377,435 km (0.109 R)
• M3: 627,862 km (0.112 R)
• M4: 1,023,698 km (0.118 R)
• M5: 1,274,424 km (0.079 R)
• M6: 1,962,874 km (0.097 R)
• M7: 3,814,147 km (0.087 R)
• M8: 4,403,563 km (0.073 R)
• M9: 4,693,334 km (0.084 R)
• M10: 5,311,323 km (0.098 R)
• M11: 8,657,827 km (0.056 R)
• M12: 9,029,877 km (0.102 R)
• M13: 9,806,140 km (0.111 R)
• M14: 13,305,384 km (0.097 R)
• M15: 13,689,851 km (0.11 R)
• M16: 14,654,907 km (0.07 R)
• M17: 17,558,152 km (0.114 R)
• M18: 17,821,744 km (0.103 R)
• M19: 19,179,195 km (0.12 R)
• M20: 23,029,096 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.7

Radius: 7.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.74 AU - 7.68 AU

Year: 10682 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,460,291 km

• M1: 105,915 km (0.059 R)
• M2: 376,388 km (0.091 R)
• M3: 942,467 km (0.077 R)
• M4: 1,560,156 km (0.055 R)
• M5: 2,018,674 km (0.074 R)
• M6: 3,204,087 km (0.12 R)
• M7: 4,277,751 km (0.085 R)
• M8: 7,341,067 km (0.049 R)
• M9: 8,227,135 km (0.072 R)
• M10: 8,732,776 km (0.111 R)
• M11: 13,160,424 km (0.102 R)
• M12: 14,724,470 km (0.041 R)
• M13: 16,863,270 km (0.064 R)
• M14: 18,828,089 km (0.028 R)
• M15: 20,742,343 km (0.075 R)
• M16: 23,277,429 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.4

Radius: 4.3

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.86 AU - 7.44 AU

Year: 13197 Days

Day: 21.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,460,291 km

• M1: 53,706 km (0.082 R)
• M2: 330,761 km (0.112 R)
• M3: 556,055 km (0.051 R)
• M4: 833,709 km (0.118 R)
• M5: 1,109,268 km (0.086 R)
• M6: 1,619,397 km (0.057 R)
• M7: 2,132,667 km (0.061 R)
• M8: 2,954,857 km (0.11 R)
• M9: 3,285,917 km (0.06 R)
• M10: 4,714,128 km (0.11 R)
• M11: 4,861,482 km (0.086 R)
• M12: 5,228,146 km (0.071 R)
• M13: 5,418,136 km (0.087 R)
• M14: 5,711,946 km (0.11 R)
• M15: 7,303,069 km (0.108 R)
• M16: 7,460,895 km (0.078 R)
• M17: 7,783,577 km (0.093 R)
• M18: 9,678,982 km (0.033 R)
• M19: 10,556,523 km (0.114 R)
• M20: 12,024,976 km (0.112 R)
• M21: 14,167,068 km (0.082 R)
• M22: 14,661,489 km (0.068 R)
• M23: 16,482,693 km (0.064 R)
• M24: 17,098,737 km (0.084 R)
• M25: 19,188,171 km (0.099 R)
• M26: 22,925,724 km (0.109 R)
• M27: 24,126,247 km (0.097 R)
• M28: 25,730,684 km (0.078 R)
• M29: 26,651,908 km (0.072 R)
• M30: 33,944,056 km (0.092 R)
• M31: 36,873,182 km (0.084 R)
• M32: 39,479,626 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 14,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit