🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.6

Radius: 12.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1 AU - 1.1 AU

Year: 743 Days

Day: 10.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,549,901 km

• M1: 160,369 km (0.107 R)
• M2: 569,669 km (0.077 R)
• M3: 1,029,533 km (0.103 R)
• M4: 1,887,028 km (0.057 R)
• M5: 2,359,158 km (0.111 R)
• M6: 2,824,857 km (0.094 R)
• M7: 3,231,015 km (0.093 R)
• M8: 4,323,378 km (0.053 R)
• M9: 6,383,640 km (0.118 R)
• M10: 7,321,170 km (0.059 R)
• M11: 8,399,771 km (0.057 R)
• M12: 9,193,986 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.4

Radius: 10.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.98 AU - 1.22 AU

Year: 796 Days

Day: 11.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 65,549,901 km

• M1: 137,032 km (0.117 R)
• M2: 525,837 km (0.113 R)
• M3: 1,247,796 km (0.115 R)
• M4: 1,921,136 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 14.3

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.09 AU - 1.13 AU

Year: 807 Days

Day: 12 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,549,901 km

• M1: 177,872 km (0.07 R)
• M2: 753,824 km (0.092 R)
• M3: 1,274,424 km (0.117 R)
• M4: 2,468,963 km (0.071 R)
• M5: 3,135,871 km (0.118 R)
• M6: 3,795,298 km (0.108 R)
• M7: 4,834,106 km (0.033 R)
• M8: 5,306,685 km (0.051 R)
• M9: 7,103,954 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.2

Radius: 8.4

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.87 AU - 2.17 AU

Year: 1982 Days

Day: 10.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,549,901 km

• M1: 104,569 km (0.103 R)
• M2: 555,307 km (0.088 R)
• M3: 823,087 km (0.089 R)
• M4: 1,103,733 km (0.111 R)
• M5: 1,408,464 km (0.114 R)
• M6: 1,713,045 km (0.114 R)
• M7: 2,125,935 km (0.076 R)
• M8: 2,397,755 km (0.093 R)
• M9: 2,692,762 km (0.119 R)
• M10: 3,166,688 km (0.1 R)
• M11: 3,431,626 km (0.092 R)
• M12: 4,478,212 km (0.055 R)
• M13: 6,029,841 km (0.116 R)
• M14: 6,415,654 km (0.113 R)
• M15: 8,072,002 km (0.115 R)
• M16: 9,086,724 km (0.117 R)
• M17: 11,299,576 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.7

Radius: 8.8

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.65 AU - 2.99 AU

Year: 3269 Days

Day: 9.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,549,901 km

• M1: 112,049 km (0.103 R)
• M2: 448,943 km (0.095 R)
• M3: 803,490 km (0.094 R)
• M4: 1,374,356 km (0.118 R)
• M5: 1,762,413 km (0.066 R)
• M6: 2,481,529 km (0.029 R)
• M7: 3,219,945 km (0.113 R)
• M8: 3,515,400 km (0.113 R)
• M9: 3,930,834 km (0.068 R)
• M10: 6,011,441 km (0.076 R)
• M11: 6,994,748 km (0.084 R)
• M12: 7,783,727 km (0.095 R)
• M13: 9,425,563 km (0.12 R)
• M14: 9,764,552 km (0.097 R)
• M15: 11,328,598 km (0.092 R)
• M16: 12,414,978 km (0.115 R)
• M17: 16,738,805 km (0.088 R)
• M18: 17,972,838 km (0.116 R)
• M19: 20,432,825 km (0.107 R)
• M20: 21,841,289 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.5

Radius: 12.2

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.37 AU - 3.37 AU

Year: 3356 Days

Day: 7.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,549,901 km

• M1: 160,219 km (0.094 R)
• M2: 598,391 km (0.105 R)
• M3: 1,180,477 km (0.098 R)
• M4: 1,670,709 km (0.093 R)
• M5: 2,281,667 km (0.12 R)
• M6: 2,730,161 km (0.047 R)
• M7: 4,306,175 km (0.091 R)
• M8: 5,356,801 km (0.12 R)
• M9: 5,844,490 km (0.093 R)
• M10: 6,361,649 km (0.103 R)
• M11: 6,754,045 km (0.111 R)
• M12: 8,169,241 km (0.084 R)
• M13: 8,965,550 km (0.112 R)
• M14: 9,733,735 km (0.088 R)
• M15: 10,462,277 km (0.117 R)
• M16: 11,533,996 km (0.1 R)
• M17: 13,058,997 km (0.098 R)
• M18: 13,795,018 km (0.056 R)
• M19: 15,728,870 km (0.118 R)
• M20: 16,960,958 km (0.049 R)
• M21: 18,316,913 km (0.097 R)
• M22: 18,928,469 km (0.111 R)
• M23: 21,243,646 km (0.115 R)
• M24: 22,330,923 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.3

Radius: 14.6

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.71 AU - 5.11 AU

Year: 6392 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,549,901 km

• M1: 182,061 km (0.116 R)
• M2: 685,757 km (0.073 R)
• M3: 1,369,718 km (0.097 R)
• M4: 1,970,802 km (0.11 R)
• M5: 2,494,245 km (0.079 R)
• M6: 3,528,565 km (0.108 R)
• M7: 4,455,324 km (0.062 R)
• M8: 5,096,650 km (0.098 R)
• M9: 5,917,493 km (0.107 R)
• M10: 6,629,878 km (0.113 R)
• M11: 7,573,691 km (0.114 R)
• M12: 8,414,581 km (0.085 R)
• M13: 9,075,504 km (0.088 R)
• M14: 9,813,022 km (0.081 R)
• M15: 10,590,033 km (0.069 R)
• M16: 11,084,903 km (0.119 R)
• M17: 12,121,167 km (0.119 R)
• M18: 16,320,978 km (0.093 R)
• M19: 19,406,584 km (0.107 R)
• M20: 21,620,183 km (0.118 R)
• M21: 23,614,921 km (0.073 R)
• M22: 26,626,626 km (0.113 R)
• M23: 27,124,488 km (0.082 R)
• M24: 28,138,911 km (0.057 R)
• M25: 29,090,952 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.6

Radius: 4.3

Gravity: 17.99 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.31 AU - 12.37 AU

Year: 22950 Days

Day: 16.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,549,901 km

• M1: 53,556 km (0.085 R)
• M2: 200,760 km (0.078 R)
• M3: 429,047 km (0.117 R)
• M4: 626,067 km (0.11 R)
• M5: 819,647 km (0.112 R)
• M6: 1,357,002 km (0.1 R)
• M7: 1,684,173 km (0.102 R)
• M8: 2,343,600 km (0.097 R)
• M9: 2,790,000 km (0.108 R)
• M10: 3,479,796 km (0.111 R)
• M11: 4,213,873 km (0.113 R)
• M12: 4,940,769 km (0.076 R)
• M13: 5,519,413 km (0.116 R)
• M14: 8,741,602 km (0.082 R)
• M15: 12,898,777 km (0.049 R)
• M16: 16,197,859 km (0.077 R)
• M17: 18,712,749 km (0.114 R)
• M18: 19,840,717 km (0.106 R)
• M19: 20,647,648 km (0.088 R)
• M20: 21,105,268 km (0.07 R)
• M21: 21,663,268 km (0.101 R)
• M22: 22,711,799 km (0.095 R)
• M23: 23,994,152 km (0.077 R)
• M24: 25,219,807 km (0.116 R)
• M25: 28,353,284 km (0.114 R)
• M26: 30,777,668 km (0.087 R)
• M27: 34,093,205 km (0.088 R)
• M28: 34,860,941 km (0.086 R)
• M29: 37,774,809 km (0.116 R)
• M30: 39,711,353 km (0.089 R)
• M31: 49,572,546 km (0.041 R)
• M32: 50,227,784 km (0.109 R)
• M33: 51,890,864 km (0.108 R)
• M34: 63,797,358 km (0.084 R)
• M35: 64,572,425 km (0.083 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 12,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit