🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

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: 71.6

Radius: 9.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.79 AU - 1.31 AU

Year: 706 Days

Day: 10.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,897,908 km

• M1: 118,482 km (0.078 R)
• M2: 622,776 km (0.094 R)
• M3: 1,111,961 km (0.039 R)
• M4: 1,433,596 km (0.097 R)
• M5: 2,126,833 km (0.102 R)
• M6: 2,834,132 km (0.116 R)
• M7: 3,154,122 km (0.088 R)
• M8: 3,529,911 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.3

Radius: 9.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.25 AU - 1.33 AU

Year: 961 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,897,908 km

• M1: 116,836 km (0.092 R)
• M2: 776,263 km (0.091 R)
• M3: 1,193,941 km (0.072 R)
• M4: 1,583,194 km (0.105 R)
• M5: 1,894,657 km (0.035 R)
• M6: 2,198,490 km (0.041 R)
• M7: 2,643,993 km (0.112 R)
• M8: 3,275,146 km (0.107 R)
• M9: 4,077,440 km (0.106 R)
• M10: 5,592,716 km (0.037 R)
• M11: 6,487,461 km (0.082 R)
• M12: 7,164,242 km (0.104 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.6

Radius: 8

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.36 AU - 7.44 AU

Year: 13206 Days

Day: 20.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,897,908 km

• M1: 99,782 km (0.103 R)
• M2: 727,644 km (0.041 R)
• M3: 1,104,182 km (0.1 R)
• M4: 2,113,369 km (0.105 R)
• M5: 3,589,451 km (0.111 R)
• M6: 9,374,700 km (0.06 R)
• M7: 10,369,376 km (0.093 R)
• M8: 11,052,590 km (0.089 R)
• M9: 12,921,815 km (0.084 R)
• M10: 14,471,200 km (0.078 R)
• M11: 16,071,598 km (0.08 R)
• M12: 31,457,291 km (0.097 R)
• M13: 44,388,830 km (0.037 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570

Radius: 6.3

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.51 AU - 9.23 AU

Year: 15885 Days

Day: 19.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,897,908 km

• M1: 83,176 km (0.109 R)
• M2: 401,221 km (0.105 R)
• M3: 629,957 km (0.094 R)
• M4: 1,155,793 km (0.086 R)
• M5: 2,509,055 km (0.062 R)
• M6: 2,820,967 km (0.079 R)
• M7: 4,396,681 km (0.1 R)
• M8: 4,620,031 km (0.103 R)
• M9: 4,884,520 km (0.089 R)
• M10: 6,123,340 km (0.091 R)
• M11: 6,900,202 km (0.107 R)
• M12: 7,290,353 km (0.063 R)
• M13: 8,549,518 km (0.045 R)
• M14: 11,732,363 km (0.114 R)
• M15: 12,477,360 km (0.104 R)
• M16: 17,782,549 km (0.069 R)
• M17: 18,681,184 km (0.116 R)
• M18: 27,955,653 km (0.092 R)
• M19: 28,834,840 km (0.094 R)
• M20: 30,417,286 km (0.104 R)
• M21: 30,996,380 km (0.118 R)
• M22: 35,639,000 km (0.054 R)
• M23: 39,753,689 km (0.116 R)
• M24: 42,858,593 km (0.092 R)
• M25: 43,148,514 km (0.102 R)
• M26: 49,705,538 km (0.082 R)
• M27: 52,969,464 km (0.119 R)
• M28: 54,824,179 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.9

Radius: 5.8

Gravity: 17.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8 AU - 10.38 AU

Year: 18276 Days

Day: 23.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,897,908 km

• M1: 72,106 km (0.09 R)
• M2: 552,166 km (0.066 R)
• M3: 865,424 km (0.031 R)
• M4: 1,545,196 km (0.089 R)
• M5: 2,015,532 km (0.108 R)
• M6: 2,955,306 km (0.106 R)
• M7: 3,507,771 km (0.09 R)
• M8: 4,780,998 km (0.102 R)
• M9: 5,278,860 km (0.113 R)
• M10: 7,387,143 km (0.091 R)
• M11: 7,667,340 km (0.112 R)
• M12: 7,857,927 km (0.103 R)
• M13: 8,248,827 km (0.057 R)
• M14: 10,169,813 km (0.058 R)
• M15: 11,418,357 km (0.084 R)
• M16: 14,359,301 km (0.087 R)
• M17: 14,943,331 km (0.11 R)
• M18: 15,695,509 km (0.115 R)
• M19: 16,236,904 km (0.118 R)
• M20: 16,710,830 km (0.104 R)
• M21: 18,957,940 km (0.086 R)
• M22: 21,777,261 km (0.069 R)
• M23: 29,494,866 km (0.102 R)
• M24: 31,521,917 km (0.115 R)
• M25: 31,766,360 km (0.116 R)
• M26: 34,023,493 km (0.094 R)
• M27: 40,416,558 km (0.091 R)
• M28: 47,726,209 km (0.118 R)
• M29: 55,157,932 km (0.111 R)
• M30: 67,289,272 km (0.05 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 11,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit