🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100

Radius: 11.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.55 AU - 0.79 AU

Year: 372 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,892,947 km

• M1: 148,850 km (0.065 R)
• M2: 501,153 km (0.083 R)
• M3: 960,568 km (0.111 R)
• M4: 1,330,673 km (0.108 R)
• M5: 1,683,874 km (0.045 R)
• M6: 2,261,471 km (0.071 R)
• M7: 2,796,283 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 12.2

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.63 AU - 0.89 AU

Year: 449 Days

Day: 5.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,892,947 km

• M1: 152,590 km (0.114 R)
• M2: 615,296 km (0.073 R)
• M3: 1,315,863 km (0.094 R)
• M4: 2,262,817 km (0.07 R)
• M5: 2,699,194 km (0.113 R)
• M6: 3,316,585 km (0.11 R)
• M7: 3,895,379 km (0.069 R)
• M8: 4,372,895 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.6

Radius: 11.5

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.96 AU - 1.36 AU

Year: 847 Days

Day: 13.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,892,947 km

• M1: 143,016 km (0.115 R)
• M2: 631,602 km (0.027 R)
• M3: 1,252,583 km (0.096 R)
• M4: 1,708,707 km (0.1 R)
• M5: 2,100,205 km (0.109 R)
• M6: 2,528,952 km (0.102 R)
• M7: 2,888,585 km (0.09 R)
• M8: 3,638,669 km (0.115 R)
• M9: 4,279,097 km (0.097 R)
• M10: 4,740,757 km (0.092 R)
• M11: 5,350,069 km (0.048 R)
• M12: 5,784,950 km (0.089 R)
• M13: 6,680,891 km (0.06 R)
• M14: 7,185,934 km (0.062 R)
• M15: 7,940,805 km (0.12 R)
• M16: 8,992,178 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 10.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.64 AU - 2.72 AU

Year: 2976 Days

Day: 6.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,892,947 km

• M1: 136,583 km (0.083 R)
• M2: 496,067 km (0.048 R)
• M3: 905,366 km (0.058 R)
• M4: 1,382,284 km (0.098 R)
• M5: 1,959,283 km (0.101 R)
• M6: 2,492,600 km (0.053 R)
• M7: 3,722,444 km (0.106 R)
• M8: 4,447,545 km (0.1 R)
• M9: 6,463,825 km (0.114 R)
• M10: 7,465,383 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.4

Radius: 13.1

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.04 AU - 3.68 AU

Year: 4177 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,892,947 km

• M1: 163,211 km (0.051 R)
• M2: 649,255 km (0.078 R)
• M3: 1,937,592 km (0.116 R)
• M4: 2,925,087 km (0.096 R)
• M5: 3,668,140 km (0.117 R)
• M6: 8,753,271 km (0.105 R)
• M7: 12,873,346 km (0.096 R)
• M8: 13,771,830 km (0.091 R)
• M9: 14,966,070 km (0.089 R)
• M10: 16,013,106 km (0.096 R)
• M11: 18,428,962 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.7

Radius: 7.6

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.65 AU - 7.25 AU

Year: 11110 Days

Day: 16.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,892,947 km

• M1: 96,191 km (0.088 R)
• M2: 663,616 km (0.114 R)
• M3: 1,064,688 km (0.085 R)
• M4: 1,726,958 km (0.093 R)
• M5: 2,006,706 km (0.064 R)
• M6: 2,413,911 km (0.055 R)
• M7: 2,808,999 km (0.083 R)
• M8: 3,080,220 km (0.068 R)
• M9: 3,675,769 km (0.104 R)
• M10: 4,616,889 km (0.099 R)
• M11: 5,853,316 km (0.1 R)
• M12: 7,724,636 km (0.082 R)
• M13: 8,397,527 km (0.027 R)
• M14: 8,724,548 km (0.112 R)
• M15: 9,404,321 km (0.104 R)
• M16: 10,276,476 km (0.118 R)
• M17: 10,543,060 km (0.114 R)
• M18: 11,541,027 km (0.113 R)
• M19: 15,461,538 km (0.051 R)
• M20: 16,239,298 km (0.105 R)
• M21: 17,567,577 km (0.082 R)
• M22: 33,750,327 km (0.1 R)
• M23: 37,141,711 km (0.112 R)
• M24: 43,750,795 km (0.075 R)
• M25: 45,876,581 km (0.043 R)
• M26: 46,454,926 km (0.085 R)
• M27: 49,117,469 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.3

Radius: 4.4

Gravity: 45.93 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.01 AU - 7.69 AU

Year: 12160 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,892,947 km

• M1: 55,950 km (0.048 R)
• M2: 251,624 km (0.119 R)
• M3: 732,581 km (0.103 R)
• M4: 2,477,490 km (0.077 R)
• M5: 3,320,474 km (0.084 R)
• M6: 7,317,131 km (0.087 R)
• M7: 9,902,930 km (0.097 R)
• M8: 10,174,450 km (0.053 R)
• M9: 11,970,074 km (0.104 R)
• M10: 14,936,599 km (0.116 R)
• M11: 15,150,225 km (0.025 R)
• M12: 15,951,023 km (0.086 R)
• M13: 19,100,806 km (0.096 R)
• M14: 21,627,514 km (0.107 R)
• M15: 24,172,323 km (0.082 R)
• M16: 25,770,776 km (0.101 R)
• M17: 27,014,832 km (0.077 R)
• M18: 30,185,709 km (0.101 R)
• M19: 35,709,760 km (0.031 R)
• M20: 37,384,807 km (0.055 R)
• M21: 39,789,593 km (0.058 R)
• M22: 44,904,793 km (0.11 R)
• M23: 45,498,696 km (0.102 R)
• M24: 52,546,850 km (0.066 R)
• M25: 56,933,060 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.5

Radius: 6.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.49 AU - 7.87 AU

Year: 13049 Days

Day: 19.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,892,947 km

• M1: 77,492 km (0.103 R)
• M2: 629,807 km (0.116 R)
• M3: 953,387 km (0.104 R)
• M4: 1,179,430 km (0.099 R)
• M5: 2,485,120 km (0.065 R)
• M6: 2,677,951 km (0.047 R)
• M7: 5,457,630 km (0.033 R)
• M8: 6,252,742 km (0.072 R)
• M9: 8,300,737 km (0.094 R)
• M10: 10,080,952 km (0.085 R)
• M11: 12,969,687 km (0.073 R)
• M12: 27,788,253 km (0.095 R)
• M13: 28,313,791 km (0.113 R)
• M14: 31,229,453 km (0.068 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 15,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit