🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.8

Radius: 14.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.64 AU - 0.88 AU

Year: 442 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,291,141 km

• M1: 179,069 km (0.055 R)
• M2: 704,756 km (0.097 R)
• M3: 1,180,477 km (0.083 R)
• M4: 1,702,125 km (0.076 R)
• M5: 2,810,944 km (0.086 R)
• M6: 4,054,551 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.9

Radius: 10.6

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.63 AU - 0.97 AU

Year: 477 Days

Day: 10.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,291,141 km

• M1: 131,796 km (0.087 R)
• M2: 484,697 km (0.109 R)
• M3: 930,499 km (0.085 R)
• M4: 1,866,233 km (0.112 R)
• M5: 2,202,380 km (0.107 R)
• M6: 2,651,622 km (0.102 R)
• M7: 3,022,475 km (0.096 R)
• M8: 3,515,999 km (0.084 R)
• M9: 5,061,494 km (0.075 R)
• M10: 6,638,256 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.8

Radius: 11.8

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.71 AU - 1.01 AU

Year: 532 Days

Day: 5.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,291,141 km

• M1: 146,756 km (0.072 R)
• M2: 555,756 km (0.034 R)
• M3: 956,828 km (0.033 R)
• M4: 1,473,838 km (0.106 R)
• M5: 1,856,659 km (0.112 R)
• M6: 2,326,546 km (0.112 R)
• M7: 2,697,698 km (0.051 R)
• M8: 3,230,267 km (0.077 R)
• M9: 3,722,444 km (0.109 R)
• M10: 4,369,754 km (0.094 R)
• M11: 4,793,415 km (0.102 R)
• M12: 5,227,249 km (0.061 R)
• M13: 5,614,707 km (0.098 R)
• M14: 6,002,465 km (0.107 R)
• M15: 6,388,427 km (0.109 R)
• M16: 6,811,490 km (0.071 R)
• M17: 7,404,945 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284

Radius: 8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.44 AU - 2.12 AU

Year: 1584 Days

Day: 13 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,291,141 km

• M1: 107,262 km (0.109 R)
• M2: 615,894 km (0.107 R)
• M3: 946,655 km (0.075 R)
• M4: 1,758,523 km (0.07 R)
• M5: 2,163,484 km (0.112 R)
• M6: 2,605,247 km (0.087 R)
• M7: 2,854,327 km (0.114 R)
• M8: 4,756,913 km (0.038 R)
• M9: 5,325,983 km (0.085 R)
• M10: 7,355,578 km (0.052 R)
• M11: 7,805,867 km (0.069 R)
• M12: 8,247,929 km (0.091 R)
• M13: 8,679,070 km (0.114 R)
• M14: 9,239,015 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.1

Radius: 10.7

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.58 AU - 2.46 AU

Year: 1915 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,291,141 km

• M1: 132,993 km (0.04 R)
• M2: 534,513 km (0.117 R)
• M3: 994,078 km (0.108 R)
• M4: 1,841,849 km (0.066 R)
• M5: 2,447,272 km (0.115 R)
• M6: 3,411,280 km (0.084 R)
• M7: 3,905,701 km (0.092 R)
• M8: 5,851,371 km (0.068 R)
• M9: 6,301,960 km (0.105 R)
• M10: 6,668,325 km (0.035 R)
• M11: 7,216,452 km (0.071 R)
• M12: 8,003,785 km (0.063 R)
• M13: 8,402,912 km (0.096 R)
• M14: 8,847,517 km (0.067 R)
• M15: 9,888,270 km (0.066 R)
• M16: 11,932,674 km (0.056 R)
• M17: 15,482,033 km (0.102 R)
• M18: 15,862,161 km (0.088 R)
• M19: 16,346,111 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.6

Radius: 8.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.04 AU - 2.32 AU

Year: 2146 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,291,141 km

• M1: 105,766 km (0.079 R)
• M2: 753,375 km (0.08 R)
• M3: 1,117,646 km (0.096 R)
• M4: 1,395,599 km (0.104 R)
• M5: 1,738,178 km (0.112 R)
• M6: 2,147,029 km (0.114 R)
• M7: 3,269,461 km (0.058 R)
• M8: 4,321,733 km (0.08 R)
• M9: 5,075,706 km (0.093 R)
• M10: 7,942,151 km (0.1 R)
• M11: 8,547,274 km (0.117 R)
• M12: 8,902,868 km (0.104 R)
• M13: 9,672,699 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.7

Radius: 11.5

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.54 AU - 2.86 AU

Year: 2959 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,291,141 km

• M1: 143,016 km (0.094 R)
• M2: 506,688 km (0.087 R)
• M3: 1,191,846 km (0.059 R)
• M4: 1,567,786 km (0.118 R)
• M5: 2,632,773 km (0.085 R)
• M6: 3,360,267 km (0.115 R)
• M7: 3,968,832 km (0.051 R)
• M8: 6,051,084 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.3

Radius: 12.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.1 AU - 4.1 AU

Year: 4555 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,291,141 km

• M1: 167,699 km (0.1 R)
• M2: 777,161 km (0.104 R)
• M3: 1,198,429 km (0.068 R)
• M4: 1,645,577 km (0.107 R)
• M5: 3,181,199 km (0.102 R)
• M6: 4,263,240 km (0.034 R)
• M7: 4,991,333 km (0.102 R)
• M8: 9,656,094 km (0.093 R)
• M9: 10,104,887 km (0.057 R)
• M10: 11,132,924 km (0.104 R)
• M11: 12,999,457 km (0.051 R)
• M12: 16,008,319 km (0.099 R)
• M13: 17,344,527 km (0.099 R)
• M14: 18,255,129 km (0.096 R)
• M15: 18,816,719 km (0.115 R)
• M16: 19,713,110 km (0.119 R)
• M17: 20,907,200 km (0.112 R)
• M18: 21,868,815 km (0.117 R)
• M19: 23,075,771 km (0.085 R)
• M20: 24,177,260 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.8

Radius: 5.8

Gravity: 22.82 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.35 AU - 6.69 AU

Year: 9850 Days

Day: 16.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,291,141 km

• M1: 82,279 km (0.108 R)
• M2: 335,847 km (0.107 R)
• M3: 694,733 km (0.056 R)
• M4: 1,510,191 km (0.088 R)
• M5: 1,700,180 km (0.103 R)
• M6: 4,264,736 km (0.091 R)
• M7: 4,925,659 km (0.12 R)
• M8: 6,952,860 km (0.089 R)
• M9: 9,429,154 km (0.109 R)
• M10: 10,492,196 km (0.084 R)
• M11: 13,966,607 km (0.029 R)
• M12: 16,738,057 km (0.116 R)
• M13: 19,376,963 km (0.037 R)
• M14: 20,505,979 km (0.106 R)
• M15: 23,429,121 km (0.082 R)
• M16: 25,366,862 km (0.093 R)
• M17: 25,556,851 km (0.078 R)
• M18: 32,038,030 km (0.1 R)
• M19: 35,714,098 km (0.102 R)
• M20: 44,027,551 km (0.079 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: 386 - 10,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit