🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.7

Radius: 11.8

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.65 AU - 0.69 AU

Year: 372 Days

Day: 14.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,704,840 km

• M1: 146,756 km (0.054 R)
• M2: 607,517 km (0.116 R)
• M3: 1,170,005 km (0.045 R)
• M4: 1,546,094 km (0.108 R)
• M5: 2,067,293 km (0.077 R)
• M6: 2,800,771 km (0.072 R)
• M7: 3,201,843 km (0.093 R)
• M8: 3,969,131 km (0.112 R)
• M9: 4,423,759 km (0.116 R)
• M10: 4,884,071 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.1

Radius: 10

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.24 AU - 1.4 AU

Year: 1029 Days

Day: 11.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,704,840 km

• M1: 124,316 km (0.028 R)
• M2: 509,381 km (0.092 R)
• M3: 943,364 km (0.115 R)
• M4: 1,282,503 km (0.1 R)
• M5: 1,743,563 km (0.101 R)
• M6: 3,648,393 km (0.114 R)
• M7: 4,090,155 km (0.1 R)
• M8: 4,567,373 km (0.054 R)
• M9: 5,705,364 km (0.088 R)
• M10: 6,282,961 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.2

Radius: 8.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.88 AU - 4.26 AU

Year: 5569 Days

Day: 8.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,704,840 km

• M1: 112,198 km (0.112 R)
• M2: 398,379 km (0.062 R)
• M3: 1,622,838 km (0.117 R)
• M4: 2,474,947 km (0.12 R)
• M5: 2,823,211 km (0.11 R)
• M6: 4,047,370 km (0.092 R)
• M7: 4,557,350 km (0.042 R)
• M8: 5,320,897 km (0.118 R)
• M9: 5,904,478 km (0.113 R)
• M10: 6,197,092 km (0.081 R)
• M11: 7,133,574 km (0.101 R)
• M12: 7,738,997 km (0.101 R)
• M13: 8,562,085 km (0.079 R)
• M14: 9,481,812 km (0.115 R)
• M15: 10,636,558 km (0.037 R)
• M16: 11,114,972 km (0.04 R)
• M17: 12,397,475 km (0.075 R)
• M18: 13,725,156 km (0.06 R)
• M19: 15,145,139 km (0.066 R)
• M20: 15,695,210 km (0.051 R)
• M21: 17,069,566 km (0.099 R)
• M22: 17,785,990 km (0.079 R)
• M23: 20,121,662 km (0.078 R)
• M24: 23,886,442 km (0.119 R)
• M25: 24,858,229 km (0.107 R)
• M26: 25,701,064 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.2

Radius: 7.9

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.72 AU - 7.1 AU

Year: 9745 Days

Day: 18.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,704,840 km

• M1: 98,735 km (0.119 R)
• M2: 383,270 km (0.035 R)
• M3: 1,470,397 km (0.098 R)
• M4: 2,752,451 km (0.107 R)
• M5: 4,280,294 km (0.106 R)
• M6: 4,896,338 km (0.043 R)
• M7: 5,773,580 km (0.108 R)
• M8: 6,790,098 km (0.11 R)
• M9: 7,503,680 km (0.113 R)
• M10: 8,006,478 km (0.114 R)
• M11: 12,930,193 km (0.075 R)
• M12: 13,530,679 km (0.045 R)
• M13: 17,969,397 km (0.094 R)
• M14: 18,717,087 km (0.114 R)
• M15: 19,252,648 km (0.097 R)
• M16: 20,194,516 km (0.061 R)
• M17: 23,029,695 km (0.099 R)
• M18: 23,911,574 km (0.087 R)
• M19: 25,648,854 km (0.073 R)
• M20: 26,692,299 km (0.077 R)
• M21: 27,078,561 km (0.06 R)
• M22: 35,494,937 km (0.115 R)
• M23: 46,469,287 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.9

Radius: 6.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.2 AU - 10.32 AU

Year: 17585 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,704,840 km

• M1: 84,972 km (0.105 R)
• M2: 365,019 km (0.101 R)
• M3: 598,691 km (0.055 R)
• M4: 1,419,684 km (0.085 R)
• M5: 1,754,334 km (0.097 R)
• M6: 2,258,629 km (0.075 R)
• M7: 2,697,100 km (0.092 R)
• M8: 3,190,923 km (0.045 R)
• M9: 6,392,915 km (0.071 R)
• M10: 6,857,866 km (0.106 R)
• M11: 7,775,050 km (0.115 R)
• M12: 9,390,707 km (0.055 R)
• M13: 9,804,046 km (0.084 R)
• M14: 10,181,332 km (0.068 R)
• M15: 10,865,144 km (0.043 R)
• M16: 11,947,634 km (0.107 R)
• M17: 12,161,708 km (0.053 R)
• M18: 14,265,055 km (0.039 R)
• M19: 16,074,590 km (0.102 R)
• M20: 23,651,573 km (0.083 R)
• M21: 28,775,599 km (0.095 R)
• M22: 30,336,653 km (0.106 R)
• M23: 31,953,357 km (0.077 R)
• M24: 32,470,218 km (0.104 R)
• M25: 36,469,119 km (0.114 R)
• M26: 38,063,981 km (0.03 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 10,892 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit