🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.4

Radius: 13.9

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.49 AU - 1.71 AU

Year: 1287 Days

Day: 10.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,336,101 km

• M1: 172,935 km (0.104 R)
• M2: 674,238 km (0.116 R)
• M3: 1,153,699 km (0.12 R)
• M4: 1,598,902 km (0.043 R)
• M5: 2,140,746 km (0.118 R)
• M6: 2,691,415 km (0.089 R)
• M7: 3,221,889 km (0.105 R)
• M8: 3,934,723 km (0.072 R)
• M9: 4,390,398 km (0.048 R)
• M10: 6,040,313 km (0.098 R)
• M11: 7,054,587 km (0.084 R)
• M12: 7,501,136 km (0.108 R)
• M13: 8,152,785 km (0.08 R)
• M14: 10,752,048 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.2

Radius: 11.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.88 AU - 2.2 AU

Year: 1853 Days

Day: 11 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,336,101 km

• M1: 144,212 km (0.119 R)
• M2: 543,788 km (0.062 R)
• M3: 1,951,055 km (0.069 R)
• M4: 2,800,023 km (0.081 R)
• M5: 3,624,308 km (0.082 R)
• M6: 5,155,292 km (0.109 R)
• M7: 6,465,919 km (0.072 R)
• M8: 7,053,540 km (0.116 R)
• M9: 7,732,265 km (0.103 R)
• M10: 8,102,221 km (0.087 R)
• M11: 9,475,230 km (0.111 R)
• M12: 11,212,360 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.2

Radius: 10.1

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.15 AU - 2.29 AU

Year: 2103 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,336,101 km

• M1: 125,662 km (0.092 R)
• M2: 466,297 km (0.086 R)
• M3: 1,445,265 km (0.06 R)
• M4: 1,893,161 km (0.077 R)
• M5: 2,211,805 km (0.064 R)
• M6: 2,797,929 km (0.063 R)
• M7: 3,917,968 km (0.114 R)
• M8: 4,441,561 km (0.093 R)
• M9: 5,030,976 km (0.09 R)
• M10: 5,355,305 km (0.104 R)
• M11: 5,912,108 km (0.107 R)
• M12: 6,459,935 km (0.098 R)
• M13: 6,892,722 km (0.11 R)
• M14: 8,087,410 km (0.094 R)
• M15: 9,506,496 km (0.091 R)
• M16: 10,003,909 km (0.116 R)
• M17: 10,617,110 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.6

Radius: 10.8

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.79 AU - 3.99 AU

Year: 3969 Days

Day: 7.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,336,101 km

• M1: 134,788 km (0.092 R)
• M2: 521,049 km (0.107 R)
• M3: 1,370,616 km (0.12 R)
• M4: 1,811,630 km (0.103 R)
• M5: 2,488,261 km (0.103 R)
• M6: 2,859,264 km (0.091 R)
• M7: 3,248,069 km (0.111 R)
• M8: 4,019,844 km (0.114 R)
• M9: 4,935,383 km (0.116 R)
• M10: 6,913,217 km (0.072 R)
• M11: 7,310,698 km (0.058 R)
• M12: 8,115,086 km (0.101 R)
• M13: 8,938,772 km (0.054 R)
• M14: 10,235,187 km (0.119 R)
• M15: 10,840,161 km (0.107 R)
• M16: 12,360,973 km (0.07 R)
• M17: 14,549,739 km (0.054 R)
• M18: 16,630,197 km (0.107 R)
• M19: 18,143,679 km (0.082 R)
• M20: 21,373,048 km (0.097 R)
• M21: 22,290,083 km (0.084 R)
• M22: 23,159,845 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.8

Radius: 9.9

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.83 AU - 3.99 AU

Year: 4004 Days

Day: 8.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,336,101 km

• M1: 123,119 km (0.115 R)
• M2: 539,600 km (0.098 R)
• M3: 977,024 km (0.092 R)
• M4: 1,708,557 km (0.102 R)
• M5: 2,186,822 km (0.103 R)
• M6: 2,531,794 km (0.093 R)
• M7: 3,642,110 km (0.11 R)
• M8: 4,038,544 km (0.112 R)
• M9: 5,076,753 km (0.074 R)
• M10: 5,487,848 km (0.073 R)
• M11: 6,314,825 km (0.084 R)
• M12: 6,629,579 km (0.096 R)
• M13: 8,705,998 km (0.1 R)
• M14: 10,253,288 km (0.079 R)
• M15: 10,645,085 km (0.072 R)
• M16: 11,458,748 km (0.114 R)
• M17: 11,786,218 km (0.068 R)
• M18: 18,740,125 km (0.086 R)
• M19: 19,458,644 km (0.097 R)
• M20: 21,653,394 km (0.085 R)
• M21: 25,090,256 km (0.085 R)
• M22: 27,020,218 km (0.06 R)
• M23: 28,021,476 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.2

Radius: 12

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.24 AU - 3.82 AU

Year: 4217 Days

Day: 5.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,336,101 km

• M1: 149,299 km (0.085 R)
• M2: 719,566 km (0.096 R)
• M3: 1,666,670 km (0.072 R)
• M4: 3,389,589 km (0.103 R)
• M5: 4,155,081 km (0.12 R)
• M6: 4,557,649 km (0.106 R)
• M7: 5,270,483 km (0.056 R)
• M8: 6,408,623 km (0.057 R)
• M9: 7,304,415 km (0.113 R)
• M10: 9,166,909 km (0.119 R)
• M11: 10,807,249 km (0.09 R)
• M12: 11,990,419 km (0.102 R)
• M13: 13,808,033 km (0.051 R)
• M14: 16,683,753 km (0.109 R)
• M15: 18,771,242 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.6

Radius: 12.6

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.9 AU - 3.98 AU

Year: 4973 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,336,101 km

• M1: 156,629 km (0.102 R)
• M2: 617,839 km (0.117 R)
• M3: 1,044,343 km (0.053 R)
• M4: 1,659,340 km (0.096 R)
• M5: 2,284,659 km (0.089 R)
• M6: 2,950,668 km (0.104 R)
• M7: 5,329,873 km (0.116 R)
• M8: 6,232,846 km (0.111 R)
• M9: 8,392,740 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 13.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.15 AU - 4.75 AU

Year: 5969 Days

Day: 6.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,336,101 km

• M1: 169,345 km (0.096 R)
• M2: 629,807 km (0.117 R)
• M3: 1,196,933 km (0.105 R)
• M4: 1,621,491 km (0.101 R)
• M5: 2,576,075 km (0.074 R)
• M6: 3,139,611 km (0.114 R)
• M7: 3,784,826 km (0.108 R)
• M8: 6,266,356 km (0.041 R)
• M9: 6,870,133 km (0.107 R)
• M10: 8,116,582 km (0.096 R)
• M11: 10,399,296 km (0.112 R)
• M12: 11,103,004 km (0.113 R)
• M13: 12,243,539 km (0.104 R)
• M14: 12,710,583 km (0.111 R)
• M15: 15,646,292 km (0.108 R)
• M16: 17,336,598 km (0.043 R)
• M17: 17,860,191 km (0.086 R)
• M18: 18,394,255 km (0.072 R)
• M19: 19,354,374 km (0.109 R)
• M20: 21,151,942 km (0.095 R)
• M21: 26,257,418 km (0.09 R)
• M22: 29,555,603 km (0.096 R)
• M23: 30,115,398 km (0.097 R)
• M24: 31,352,423 km (0.082 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 18,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit