🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.6

Radius: 11.1

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.64 AU - 0.72 AU

Year: 368 Days

Day: 9.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,613,621 km

• M1: 138,079 km (0.06 R)
• M2: 590,463 km (0.062 R)
• M3: 1,000,211 km (0.108 R)
• M4: 1,829,283 km (0.119 R)
• M5: 2,374,866 km (0.08 R)
• M6: 2,740,783 km (0.05 R)
• M7: 3,332,741 km (0.096 R)
• M8: 3,970,028 km (0.11 R)
• M9: 4,475,519 km (0.102 R)
• M10: 5,175,338 km (0.118 R)

Planet 2 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.5

Radius: 6.3

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.39 AU - 9.01 AU

Year: 14017 Days

Day: 18.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,613,621 km

• M1: 78,688 km (0.113 R)
• M2: 276,906 km (0.086 R)
• M3: 478,115 km (0.103 R)
• M4: 739,761 km (0.078 R)
• M5: 997,219 km (0.118 R)
• M6: 1,327,232 km (0.085 R)
• M7: 1,532,780 km (0.112 R)
• M8: 1,775,577 km (0.067 R)
• M9: 2,225,268 km (0.104 R)
• M10: 3,108,644 km (0.073 R)
• M11: 3,399,462 km (0.116 R)
• M12: 4,874,497 km (0.063 R)
• M13: 7,303,218 km (0.109 R)
• M14: 8,084,419 km (0.098 R)
• M15: 9,558,406 km (0.055 R)
• M16: 9,811,825 km (0.112 R)
• M17: 14,173,201 km (0.108 R)
• M18: 14,837,865 km (0.091 R)
• M19: 15,592,885 km (0.101 R)
• M20: 16,883,167 km (0.115 R)
• M21: 17,629,959 km (0.073 R)
• M22: 20,753,563 km (0.064 R)
• M23: 21,093,449 km (0.07 R)
• M24: 22,938,889 km (0.098 R)
• M25: 29,011,216 km (0.036 R)
• M26: 31,511,595 km (0.112 R)
• M27: 32,986,480 km (0.047 R)
• M28: 33,565,873 km (0.099 R)
• M29: 35,224,165 km (0.11 R)
• M30: 35,465,466 km (0.069 R)
• M31: 45,188,281 km (0.025 R)
• M32: 46,046,524 km (0.107 R)
• M33: 46,479,759 km (0.102 R)
• M34: 50,962,459 km (0.063 R)
• M35: 52,048,390 km (0.094 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.8

Radius: 3

Gravity: 22.98 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.75 AU - 8.69 AU

Year: 15460 Days

Day: 15.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,613,621 km

• M1: 37,699 km (0.119 R)
• M2: 197,320 km (0.088 R)
• M3: 476,170 km (0.103 R)
• M4: 692,489 km (0.117 R)
• M5: 818,749 km (0.08 R)
• M6: 990,338 km (0.05 R)
• M7: 1,084,884 km (0.064 R)
• M8: 1,367,175 km (0.078 R)
• M9: 2,413,014 km (0.112 R)
• M10: 2,827,849 km (0.095 R)
• M11: 3,129,737 km (0.056 R)
• M12: 4,998,813 km (0.073 R)
• M13: 5,735,433 km (0.037 R)
• M14: 6,147,126 km (0.103 R)
• M15: 9,835,462 km (0.098 R)
• M16: 11,510,359 km (0.057 R)
• M17: 14,897,704 km (0.093 R)
• M18: 17,303,238 km (0.055 R)
• M19: 17,514,620 km (0.109 R)
• M20: 19,571,740 km (0.111 R)
• M21: 20,187,784 km (0.12 R)
• M22: 20,579,281 km (0.067 R)
• M23: 21,377,386 km (0.115 R)
• M24: 25,225,492 km (0.037 R)
• M25: 29,510,424 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.7

Radius: 7.4

Gravity: 18.26 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.82 AU - 12.22 AU

Year: 20807 Days

Day: 18.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 88,613,621 km

• M1: 92,152 km (0.108 R)
• M2: 923,617 km (0.036 R)
• M3: 1,475,185 km (0.05 R)
• M4: 1,795,922 km (0.104 R)
• M5: 2,119,802 km (0.032 R)
• M6: 2,780,576 km (0.076 R)
• M7: 3,510,314 km (0.077 R)
• M8: 3,952,825 km (0.098 R)
• M9: 4,539,697 km (0.118 R)
• M10: 8,540,842 km (0.069 R)
• M11: 8,935,032 km (0.04 R)
• M12: 9,699,328 km (0.097 R)
• M13: 11,834,538 km (0.116 R)
• M14: 12,395,829 km (0.083 R)
• M15: 12,683,057 km (0.079 R)
• M16: 13,571,519 km (0.042 R)
• M17: 15,062,112 km (0.096 R)
• M18: 15,389,283 km (0.113 R)
• M19: 16,142,957 km (0.055 R)
• M20: 20,884,461 km (0.106 R)
• M21: 28,296,138 km (0.077 R)
• M22: 29,808,872 km (0.116 R)
• M23: 30,846,931 km (0.093 R)
• M24: 31,110,224 km (0.063 R)
• M25: 35,097,605 km (0.048 R)
• M26: 35,384,534 km (0.1 R)
• M27: 36,842,664 km (0.119 R)
• M28: 41,138,218 km (0.071 R)
• M29: 42,586,774 km (0.102 R)
• M30: 50,160,615 km (0.074 R)
• M31: 53,501,584 km (0.096 R)
• M32: 55,809,580 km (0.097 R)
• M33: 59,191,539 km (0.092 R)
• M34: 63,554,711 km (0.105 R)
• M35: 64,409,363 km (0.117 R)
• M36: 67,019,547 km (0.116 R)
• M37: 72,217,624 km (0.081 R)
• M38: 77,678,395 km (0.064 R)
• M39: 78,410,228 km (0.077 R)
• M40: 85,206,010 km (0.037 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: 455 - 12,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit