🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627

Radius: 10.5

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.99 AU - 1.51 AU

Year: 982 Days

Day: 5.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,455,529 km

• M1: 130,599 km (0.06 R)
• M2: 539,151 km (0.076 R)
• M3: 1,027,588 km (0.057 R)
• M4: 1,419,983 km (0.077 R)
• M5: 2,098,260 km (0.111 R)
• M6: 2,954,558 km (0.109 R)
• M7: 3,719,751 km (0.065 R)
• M8: 4,322,032 km (0.058 R)
• M9: 4,951,540 km (0.118 R)
• M10: 5,423,820 km (0.087 R)
• M11: 7,596,580 km (0.07 R)
• M12: 8,020,989 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.3

Radius: 11.7

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.47 AU - 1.67 AU

Year: 1383 Days

Day: 8.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,455,529 km

• M1: 145,858 km (0.115 R)
• M2: 513,270 km (0.1 R)
• M3: 1,140,235 km (0.109 R)
• M4: 1,586,186 km (0.093 R)
• M5: 2,068,639 km (0.099 R)
• M6: 2,898,010 km (0.045 R)
• M7: 3,381,809 km (0.12 R)
• M8: 3,849,004 km (0.095 R)
• M9: 4,811,666 km (0.07 R)
• M10: 5,426,812 km (0.087 R)
• M11: 5,857,953 km (0.038 R)
• M12: 6,311,833 km (0.12 R)
• M13: 6,737,888 km (0.111 R)
• M14: 7,317,729 km (0.116 R)
• M15: 8,190,932 km (0.031 R)
• M16: 10,009,893 km (0.106 R)
• M17: 11,339,070 km (0.092 R)
• M18: 11,857,277 km (0.091 R)
• M19: 12,901,470 km (0.039 R)
• M20: 14,430,659 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.1

Radius: 8.6

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.49 AU - 1.99 AU

Year: 1613 Days

Day: 6.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,455,529 km

• M1: 108,758 km (0.113 R)
• M2: 450,140 km (0.112 R)
• M3: 1,024,596 km (0.034 R)
• M4: 1,652,308 km (0.084 R)
• M5: 2,882,302 km (0.05 R)
• M6: 3,498,795 km (0.107 R)
• M7: 4,534,162 km (0.067 R)
• M8: 4,822,437 km (0.117 R)
• M9: 5,643,729 km (0.107 R)
• M10: 6,659,349 km (0.103 R)
• M11: 7,561,574 km (0.037 R)
• M12: 10,084,392 km (0.106 R)
• M13: 12,792,413 km (0.049 R)
• M14: 15,530,204 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.9

Radius: 11.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.63 AU - 4.77 AU

Year: 6050 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,455,529 km

• M1: 145,708 km (0.109 R)
• M2: 602,131 km (0.095 R)
• M3: 1,236,127 km (0.111 R)
• M4: 1,845,589 km (0.093 R)
• M5: 2,237,984 km (0.065 R)
• M6: 2,844,454 km (0.09 R)
• M7: 3,526,620 km (0.088 R)
• M8: 4,497,211 km (0.091 R)
• M9: 6,263,962 km (0.114 R)
• M10: 7,162,596 km (0.1 R)
• M11: 7,550,504 km (0.109 R)
• M12: 8,858,288 km (0.08 R)
• M13: 12,390,144 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.8

Radius: 11.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.3 AU - 5.38 AU

Year: 6355 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,455,529 km

• M1: 143,016 km (0.079 R)
• M2: 588,518 km (0.061 R)
• M3: 1,000,211 km (0.06 R)
• M4: 1,549,236 km (0.056 R)
• M5: 1,964,818 km (0.093 R)
• M6: 2,341,207 km (0.113 R)
• M7: 2,766,214 km (0.051 R)
• M8: 3,795,896 km (0.09 R)
• M9: 4,386,658 km (0.111 R)
• M10: 6,500,626 km (0.089 R)
• M11: 8,735,468 km (0.075 R)
• M12: 9,470,443 km (0.087 R)
• M13: 13,724,408 km (0.05 R)
• M14: 14,105,284 km (0.086 R)
• M15: 15,758,490 km (0.073 R)
• M16: 17,793,021 km (0.113 R)
• M17: 21,056,349 km (0.116 R)
• M18: 21,930,749 km (0.051 R)
• M19: 22,753,238 km (0.12 R)
• M20: 23,673,863 km (0.05 R)
• M21: 25,020,543 km (0.036 R)
• M22: 28,565,414 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.6

Radius: 6.8

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.91 AU - 7.15 AU

Year: 13102 Days

Day: 17.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,455,529 km

• M1: 130,001 km (0.108 R)
• M2: 684,560 km (0.077 R)
• M3: 1,572,274 km (0.115 R)
• M4: 2,234,394 km (0.058 R)
• M5: 2,607,042 km (0.11 R)
• M6: 4,065,322 km (0.066 R)
• M7: 4,368,407 km (0.116 R)
• M8: 6,233,145 km (0.101 R)
• M9: 6,595,621 km (0.094 R)
• M10: 7,585,809 km (0.081 R)
• M11: 8,140,069 km (0.113 R)
• M12: 9,643,677 km (0.112 R)
• M13: 11,382,902 km (0.069 R)
• M14: 12,233,067 km (0.09 R)
• M15: 13,059,595 km (0.032 R)
• M16: 15,180,145 km (0.074 R)
• M17: 15,396,762 km (0.081 R)
• M18: 16,284,327 km (0.095 R)
• M19: 20,880,721 km (0.057 R)
• M20: 21,419,274 km (0.078 R)
• M21: 24,449,229 km (0.078 R)
• M22: 31,577,717 km (0.105 R)
• M23: 33,007,125 km (0.039 R)
• M24: 38,483,903 km (0.051 R)
• M25: 40,251,701 km (0.113 R)
• M26: 40,528,457 km (0.101 R)
• M27: 43,656,399 km (0.095 R)
• M28: 46,788,828 km (0.05 R)
• M29: 53,664,047 km (0.095 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 19,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit