🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

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: 810.3

Radius: 10.5

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.81 AU - 0.95 AU

Year: 533 Days

Day: 13.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,253,662 km

• M1: 130,599 km (0.113 R)
• M2: 585,077 km (0.041 R)
• M3: 1,006,494 km (0.087 R)
• M4: 1,368,521 km (0.084 R)
• M5: 1,722,769 km (0.084 R)
• M6: 2,075,371 km (0.089 R)
• M7: 2,569,194 km (0.111 R)
• M8: 3,104,455 km (0.064 R)
• M9: 3,462,892 km (0.044 R)
• M10: 4,219,707 km (0.085 R)
• M11: 4,983,703 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.3

Radius: 12.4

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.69 AU - 1.09 AU

Year: 542 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,253,662 km

• M1: 155,283 km (0.099 R)
• M2: 541,095 km (0.047 R)
• M3: 994,975 km (0.12 R)
• M4: 1,589,178 km (0.09 R)
• M5: 2,098,409 km (0.044 R)
• M6: 3,009,311 km (0.115 R)
• M7: 3,516,448 km (0.079 R)
• M8: 4,241,698 km (0.106 R)
• M9: 4,640,376 km (0.085 R)
• M10: 5,514,028 km (0.102 R)
• M11: 6,375,562 km (0.047 R)
• M12: 6,818,372 km (0.08 R)
• M13: 7,368,144 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.8

Radius: 14.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.05 AU - 2.59 AU

Year: 2282 Days

Day: 13.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,253,662 km

• M1: 180,565 km (0.109 R)
• M2: 687,851 km (0.109 R)
• M3: 1,160,580 km (0.115 R)
• M4: 1,689,110 km (0.077 R)
• M5: 2,430,666 km (0.112 R)
• M6: 3,873,687 km (0.069 R)
• M7: 4,610,457 km (0.047 R)
• M8: 5,997,079 km (0.089 R)
• M9: 6,670,569 km (0.084 R)
• M10: 7,675,119 km (0.076 R)
• M11: 9,222,260 km (0.114 R)
• M12: 9,849,075 km (0.118 R)
• M13: 10,860,656 km (0.103 R)
• M14: 12,806,176 km (0.11 R)
• M15: 13,545,489 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.7

Radius: 9.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.24 AU - 2.9 AU

Year: 2660 Days

Day: 8.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,253,662 km

• M1: 120,576 km (0.114 R)
• M2: 627,862 km (0.086 R)
• M3: 980,764 km (0.12 R)
• M4: 1,701,526 km (0.059 R)
• M5: 2,742,129 km (0.104 R)
• M6: 3,447,184 km (0.082 R)
• M7: 4,268,476 km (0.117 R)
• M8: 6,605,494 km (0.073 R)
• M9: 7,334,784 km (0.074 R)
• M10: 8,285,179 km (0.09 R)
• M11: 9,315,759 km (0.11 R)
• M12: 12,429,788 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 10.2

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.14 AU - 5.54 AU

Year: 6875 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,253,662 km

• M1: 130,599 km (0.12 R)
• M2: 547,678 km (0.091 R)
• M3: 1,399,937 km (0.093 R)
• M4: 1,779,766 km (0.07 R)
• M5: 3,514,204 km (0.109 R)
• M6: 3,847,807 km (0.117 R)
• M7: 4,294,805 km (0.119 R)
• M8: 9,453,389 km (0.077 R)
• M9: 11,718,899 km (0.084 R)
• M10: 16,186,041 km (0.108 R)
• M11: 21,883,326 km (0.112 R)
• M12: 25,101,775 km (0.072 R)
• M13: 26,346,279 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.8

Radius: 7.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.49 AU - 7.41 AU

Year: 10577 Days

Day: 20.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,253,662 km

• M1: 106,663 km (0.106 R)
• M2: 547,977 km (0.116 R)
• M3: 835,504 km (0.087 R)
• M4: 1,082,789 km (0.118 R)
• M5: 1,452,296 km (0.048 R)
• M6: 1,792,332 km (0.114 R)
• M7: 5,585,835 km (0.116 R)
• M8: 11,837,081 km (0.055 R)
• M9: 16,735,364 km (0.119 R)
• M10: 22,222,016 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.5

Radius: 4.3

Gravity: 31.94 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.04 AU - 6.9 AU

Year: 10626 Days

Day: 15.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 151 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,253,662 km

• M1: 55,202 km (0.11 R)
• M2: 201,209 km (0.066 R)
• M3: 887,415 km (0.12 R)
• M4: 1,175,241 km (0.106 R)
• M5: 1,386,623 km (0.119 R)
• M6: 1,774,231 km (0.043 R)
• M7: 2,476,443 km (0.108 R)
• M8: 3,205,583 km (0.107 R)
• M9: 3,494,157 km (0.108 R)
• M10: 3,799,786 km (0.115 R)
• M11: 5,235,776 km (0.042 R)
• M12: 5,534,074 km (0.094 R)
• M13: 5,843,442 km (0.111 R)
• M14: 7,197,902 km (0.1 R)
• M15: 7,904,901 km (0.069 R)
• M16: 8,077,836 km (0.079 R)
• M17: 10,251,493 km (0.08 R)
• M18: 12,785,980 km (0.055 R)
• M19: 13,571,519 km (0.111 R)
• M20: 14,842,054 km (0.113 R)
• M21: 17,543,641 km (0.096 R)
• M22: 17,763,999 km (0.05 R)
• M23: 18,285,647 km (0.116 R)
• M24: 20,474,413 km (0.114 R)
• M25: 23,537,131 km (0.115 R)
• M26: 25,645,713 km (0.105 R)
• M27: 26,215,830 km (0.055 R)
• M28: 32,832,245 km (0.095 R)
• M29: 33,617,035 km (0.12 R)
• M30: 33,843,526 km (0.079 R)
• M31: 40,607,444 km (0.095 R)
• M32: 45,262,033 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.8

Radius: 5.5

Gravity: 24.22 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.48 AU - 7.54 AU

Year: 13288 Days

Day: 18.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 123.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,253,662 km

• M1: 68,665 km (0.109 R)
• M2: 593,305 km (0.059 R)
• M3: 982,110 km (0.05 R)
• M4: 1,409,810 km (0.034 R)
• M5: 1,634,656 km (0.08 R)
• M6: 2,195,349 km (0.03 R)
• M7: 3,743,687 km (0.086 R)
• M8: 4,516,210 km (0.102 R)
• M9: 5,866,929 km (0.095 R)
• M10: 6,491,800 km (0.094 R)
• M11: 8,830,014 km (0.071 R)
• M12: 9,861,791 km (0.052 R)
• M13: 20,895,382 km (0.099 R)
• M14: 28,047,058 km (0.059 R)
• M15: 36,543,917 km (0.12 R)
• M16: 37,844,970 km (0.088 R)
• M17: 38,773,973 km (0.112 R)
• M18: 53,751,712 km (0.067 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 14,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit