🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.2

Radius: 14.8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.53 AU - 0.79 AU

Year: 370 Days

Day: 7.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,650,019 km

• M1: 184,155 km (0.067 R)
• M2: 729,589 km (0.115 R)
• M3: 1,191,547 km (0.115 R)
• M4: 1,753,586 km (0.094 R)
• M5: 2,413,313 km (0.116 R)
• M6: 2,912,222 km (0.058 R)
• M7: 3,896,127 km (0.104 R)
• M8: 4,439,317 km (0.098 R)
• M9: 4,988,790 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14

Radius: 14.4

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.62 AU - 0.74 AU

Year: 387 Days

Day: 11.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 80,650,019 km

• M1: 179,817 km (0.085 R)
• M2: 696,976 km (0.098 R)
• M3: 1,184,067 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.5

Radius: 10.6

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.73 AU - 2.69 AU

Year: 2268 Days

Day: 14.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,650,019 km

• M1: 131,796 km (0.099 R)
• M2: 496,665 km (0.098 R)
• M3: 835,504 km (0.098 R)
• M4: 1,320,949 km (0.091 R)
• M5: 1,684,771 km (0.041 R)
• M6: 2,800,921 km (0.067 R)
• M7: 3,979,752 km (0.104 R)
• M8: 4,630,353 km (0.111 R)
• M9: 4,981,609 km (0.061 R)
• M10: 5,395,247 km (0.115 R)
• M11: 6,391,569 km (0.042 R)
• M12: 6,723,676 km (0.098 R)
• M13: 7,675,568 km (0.073 R)
• M14: 8,378,678 km (0.118 R)
• M15: 9,778,764 km (0.05 R)
• M16: 10,394,359 km (0.045 R)
• M17: 11,969,774 km (0.091 R)
• M18: 14,777,128 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.5

Radius: 8.1

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.5 AU - 3.38 AU

Year: 3480 Days

Day: 13.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,650,019 km

• M1: 100,829 km (0.092 R)
• M2: 772,523 km (0.116 R)
• M3: 1,093,860 km (0.116 R)
• M4: 1,647,222 km (0.1 R)
• M5: 2,587,445 km (0.08 R)
• M6: 2,998,390 km (0.086 R)
• M7: 4,896,937 km (0.051 R)
• M8: 6,382,593 km (0.102 R)
• M9: 7,419,157 km (0.033 R)
• M10: 9,591,617 km (0.068 R)
• M11: 9,978,028 km (0.044 R)
• M12: 10,699,389 km (0.115 R)
• M13: 12,886,061 km (0.097 R)
• M14: 15,302,067 km (0.056 R)
• M15: 17,657,934 km (0.076 R)
• M16: 22,733,640 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.7

Radius: 10.8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.07 AU - 6.15 AU

Year: 7973 Days

Day: 9.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,650,019 km

• M1: 141,669 km (0.115 R)
• M2: 1,040,304 km (0.111 R)
• M3: 1,473,689 km (0.114 R)
• M4: 2,194,601 km (0.082 R)
• M5: 3,774,354 km (0.076 R)
• M6: 4,301,238 km (0.117 R)
• M7: 4,786,982 km (0.057 R)
• M8: 7,462,391 km (0.084 R)
• M9: 7,870,942 km (0.077 R)
• M10: 8,424,305 km (0.07 R)
• M11: 9,049,175 km (0.057 R)
• M12: 9,561,548 km (0.1 R)
• M13: 11,862,214 km (0.083 R)
• M14: 12,476,462 km (0.096 R)
• M15: 13,890,162 km (0.107 R)
• M16: 23,276,980 km (0.098 R)
• M17: 26,526,994 km (0.05 R)
• M18: 27,966,275 km (0.096 R)
• M19: 31,632,021 km (0.056 R)
• M20: 35,491,646 km (0.064 R)
• M21: 38,675,538 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.1

Radius: 6.2

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.51 AU - 8.69 AU

Year: 13059 Days

Day: 21 Hours

Environment

Temp: -229 °C

Axial Tilt: 60.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,650,019 km

• M1: 77,641 km (0.058 R)
• M2: 340,335 km (0.11 R)
• M3: 622,178 km (0.112 R)
• M4: 880,383 km (0.076 R)
• M5: 1,481,019 km (0.078 R)
• M6: 2,131,022 km (0.12 R)
• M7: 3,042,073 km (0.062 R)
• M8: 3,358,023 km (0.103 R)
• M9: 4,755,866 km (0.093 R)
• M10: 6,539,821 km (0.105 R)
• M11: 8,162,060 km (0.102 R)
• M12: 8,419,967 km (0.097 R)
• M13: 9,554,218 km (0.115 R)
• M14: 10,084,093 km (0.074 R)
• M15: 12,401,364 km (0.037 R)
• M16: 13,563,291 km (0.07 R)
• M17: 17,270,476 km (0.112 R)
• M18: 19,241,278 km (0.102 R)
• M19: 20,007,818 km (0.099 R)
• M20: 21,276,258 km (0.119 R)
• M21: 21,601,484 km (0.05 R)
• M22: 22,597,357 km (0.093 R)
• M23: 25,402,018 km (0.066 R)
• M24: 26,137,890 km (0.068 R)
• M25: 28,528,763 km (0.083 R)
• M26: 31,061,604 km (0.058 R)
• M27: 31,796,878 km (0.106 R)
• M28: 32,222,035 km (0.112 R)
• M29: 33,740,453 km (0.071 R)
• M30: 35,876,711 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.6

Radius: 7.5

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.25 AU - 10.27 AU

Year: 21047 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,650,019 km

• M1: 93,199 km (0.108 R)
• M2: 338,839 km (0.087 R)
• M3: 828,772 km (0.073 R)
• M4: 1,220,868 km (0.099 R)
• M5: 1,460,674 km (0.11 R)
• M6: 1,696,589 km (0.083 R)
• M7: 1,938,489 km (0.063 R)
• M8: 3,014,696 km (0.069 R)
• M9: 4,798,651 km (0.11 R)
• M10: 6,724,125 km (0.085 R)
• M11: 9,628,867 km (0.086 R)
• M12: 9,982,666 km (0.099 R)
• M13: 11,290,002 km (0.072 R)
• M14: 11,617,322 km (0.102 R)
• M15: 15,568,202 km (0.078 R)
• M16: 17,147,806 km (0.031 R)
• M17: 20,045,067 km (0.057 R)
• M18: 21,509,032 km (0.059 R)
• M19: 21,911,301 km (0.075 R)
• M20: 22,318,357 km (0.038 R)
• M21: 26,213,137 km (0.1 R)
• M22: 28,200,695 km (0.077 R)
• M23: 29,415,429 km (0.113 R)
• M24: 43,862,844 km (0.097 R)
• M25: 54,803,534 km (0.075 R)
• M26: 55,177,828 km (0.118 R)
• M27: 60,001,462 km (0.118 R)
• M28: 65,098,860 km (0.093 R)
• M29: 74,299,578 km (0.103 R)
• M30: 76,611,014 km (0.065 R)
• M31: 79,927,150 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 10,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit