🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.1

Radius: 9.5

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.59 AU - 0.95 AU

Year: 436 Days

Day: 8.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 80,359,718 km

• M1: 118,182 km (0.099 R)
• M2: 747,989 km (0.03 R)
• M3: 1,279,511 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.8

Radius: 10.5

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.03 AU - 1.43 AU

Year: 881 Days

Day: 7.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,359,718 km

• M1: 130,898 km (0.113 R)
• M2: 550,221 km (0.076 R)
• M3: 992,432 km (0.108 R)
• M4: 1,477,728 km (0.117 R)
• M5: 1,946,867 km (0.087 R)
• M6: 2,277,029 km (0.099 R)
• M7: 3,161,003 km (0.062 R)
• M8: 3,727,829 km (0.1 R)
• M9: 4,310,064 km (0.106 R)
• M10: 5,084,084 km (0.118 R)
• M11: 5,534,672 km (0.103 R)
• M12: 6,033,282 km (0.092 R)
• M13: 6,359,854 km (0.042 R)
• M14: 6,721,432 km (0.094 R)
• M15: 7,048,902 km (0.091 R)
• M16: 9,620,789 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.1

Radius: 10.6

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.88 AU - 2.66 AU

Year: 2208 Days

Day: 12.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,359,718 km

• M1: 131,796 km (0.106 R)
• M2: 496,964 km (0.039 R)
• M3: 847,622 km (0.119 R)
• M4: 1,363,884 km (0.06 R)
• M5: 1,812,079 km (0.114 R)
• M6: 2,149,273 km (0.055 R)
• M7: 3,038,034 km (0.03 R)
• M8: 3,630,890 km (0.061 R)
• M9: 4,085,219 km (0.101 R)
• M10: 4,501,998 km (0.107 R)
• M11: 4,967,098 km (0.119 R)
• M12: 5,747,101 km (0.113 R)
• M13: 7,603,013 km (0.083 R)
• M14: 8,123,464 km (0.109 R)
• M15: 8,464,248 km (0.065 R)
• M16: 8,993,375 km (0.08 R)
• M17: 10,714,499 km (0.097 R)
• M18: 11,404,444 km (0.043 R)
• M19: 12,645,059 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.8

Radius: 14.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.32 AU - 3.96 AU

Year: 4484 Days

Day: 13.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,359,718 km

• M1: 180,864 km (0.11 R)
• M2: 675,584 km (0.071 R)
• M3: 1,652,757 km (0.065 R)
• M4: 2,724,626 km (0.084 R)
• M5: 3,802,927 km (0.049 R)
• M6: 7,270,008 km (0.055 R)
• M7: 10,171,010 km (0.096 R)
• M8: 12,822,931 km (0.118 R)
• M9: 17,309,820 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.3

Radius: 5.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.56 AU - 11.58 AU

Year: 20633 Days

Day: 16.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,359,718 km

• M1: 66,122 km (0.048 R)
• M2: 1,150,108 km (0.099 R)
• M3: 5,111,610 km (0.047 R)
• M4: 5,803,799 km (0.083 R)
• M5: 6,278,323 km (0.083 R)
• M6: 7,071,192 km (0.097 R)
• M7: 9,807,337 km (0.094 R)
• M8: 15,174,011 km (0.091 R)
• M9: 17,184,607 km (0.089 R)
• M10: 17,974,633 km (0.114 R)
• M11: 20,556,991 km (0.112 R)
• M12: 20,828,063 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.4

Radius: 5.7

Gravity: 19.9 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.61 AU - 11.63 AU

Year: 22346 Days

Day: 24.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,359,718 km

• M1: 71,508 km (0.085 R)
• M2: 259,852 km (0.105 R)
• M3: 675,434 km (0.113 R)
• M4: 925,861 km (0.032 R)
• M5: 1,153,250 km (0.067 R)
• M6: 1,386,623 km (0.092 R)
• M7: 3,396,620 km (0.086 R)
• M8: 3,754,757 km (0.105 R)
• M9: 4,833,507 km (0.091 R)
• M10: 5,209,297 km (0.083 R)
• M11: 5,976,884 km (0.056 R)
• M12: 6,771,248 km (0.114 R)
• M13: 7,485,129 km (0.033 R)
• M14: 7,784,325 km (0.048 R)
• M15: 9,459,073 km (0.085 R)
• M16: 11,230,312 km (0.083 R)
• M17: 11,822,271 km (0.102 R)
• M18: 13,211,586 km (0.072 R)
• M19: 22,529,739 km (0.109 R)
• M20: 23,364,046 km (0.101 R)
• M21: 29,418,571 km (0.1 R)
• M22: 30,288,931 km (0.103 R)
• M23: 38,465,951 km (0.059 R)
• M24: 42,110,604 km (0.064 R)
• M25: 44,177,747 km (0.086 R)
• M26: 47,150,406 km (0.095 R)
• M27: 47,658,441 km (0.06 R)
• M28: 49,552,499 km (0.052 R)
• M29: 50,783,690 km (0.117 R)
• M30: 51,854,960 km (0.049 R)
• M31: 52,396,205 km (0.118 R)
• M32: 56,291,285 km (0.077 R)
• M33: 65,909,830 km (0.118 R)
• M34: 71,550,268 km (0.105 R)
• M35: 72,670,606 km (0.049 R)
• M36: 75,176,371 km (0.103 R)
• M37: 76,101,634 km (0.059 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: 513 - 18,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit