🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.3

Radius: 8.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.88 AU - 1.1 AU

Year: 636 Days

Day: 6.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,406,034 km

• M1: 106,663 km (0.048 R)
• M2: 519,404 km (0.117 R)
• M3: 925,263 km (0.076 R)
• M4: 1,304,793 km (0.09 R)
• M5: 1,583,493 km (0.077 R)
• M6: 2,772,797 km (0.111 R)
• M7: 3,900,016 km (0.05 R)
• M8: 4,544,783 km (0.081 R)
• M9: 5,387,618 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.6

Radius: 14.1

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.86 AU - 1.18 AU

Year: 665 Days

Day: 7.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,406,034 km

• M1: 175,329 km (0.109 R)
• M2: 789,877 km (0.057 R)
• M3: 1,418,337 km (0.108 R)
• M4: 1,984,715 km (0.116 R)
• M5: 2,444,728 km (0.073 R)
• M6: 3,000,484 km (0.065 R)
• M7: 3,599,624 km (0.072 R)
• M8: 4,111,697 km (0.086 R)
• M9: 5,409,309 km (0.086 R)
• M10: 5,948,909 km (0.108 R)
• M11: 7,335,083 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.9

Radius: 11.6

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.36 AU - 1.4 AU

Year: 1047 Days

Day: 7.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,406,034 km

• M1: 144,212 km (0.076 R)
• M2: 534,962 km (0.088 R)
• M3: 1,019,659 km (0.085 R)
• M4: 1,398,590 km (0.085 R)
• M5: 1,993,242 km (0.106 R)
• M6: 2,443,681 km (0.043 R)
• M7: 2,988,816 km (0.036 R)
• M8: 3,521,833 km (0.11 R)
• M9: 4,741,953 km (0.06 R)
• M10: 5,126,569 km (0.034 R)
• M11: 6,002,615 km (0.074 R)
• M12: 6,453,652 km (0.05 R)
• M13: 7,629,342 km (0.054 R)
• M14: 8,742,200 km (0.11 R)
• M15: 9,352,709 km (0.066 R)
• M16: 10,147,672 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.6

Radius: 12.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.47 AU - 2.51 AU

Year: 2537 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,406,034 km

• M1: 153,039 km (0.098 R)
• M2: 638,185 km (0.087 R)
• M3: 1,486,554 km (0.072 R)
• M4: 2,253,243 km (0.095 R)
• M5: 2,683,187 km (0.081 R)
• M6: 3,938,014 km (0.113 R)
• M7: 4,895,890 km (0.109 R)
• M8: 6,028,944 km (0.116 R)
• M9: 7,568,306 km (0.119 R)
• M10: 8,220,403 km (0.116 R)
• M11: 8,808,921 km (0.086 R)
• M12: 9,355,402 km (0.032 R)
• M13: 15,342,907 km (0.033 R)
• M14: 17,587,324 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.5

Radius: 9.5

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.23 AU - 3.07 AU

Year: 2785 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,406,034 km

• M1: 118,182 km (0.102 R)
• M2: 449,841 km (0.071 R)
• M3: 814,710 km (0.078 R)
• M4: 1,332,917 km (0.076 R)
• M5: 1,679,087 km (0.053 R)
• M6: 2,163,933 km (0.116 R)
• M7: 3,014,247 km (0.103 R)
• M8: 3,581,373 km (0.048 R)
• M9: 4,239,005 km (0.084 R)
• M10: 4,720,860 km (0.03 R)
• M11: 5,287,686 km (0.1 R)
• M12: 5,768,045 km (0.095 R)
• M13: 6,614,171 km (0.118 R)
• M14: 7,447,580 km (0.112 R)
• M15: 8,051,956 km (0.078 R)
• M16: 8,931,442 km (0.092 R)
• M17: 10,138,397 km (0.099 R)
• M18: 13,931,451 km (0.119 R)
• M19: 16,750,025 km (0.03 R)
• M20: 17,127,161 km (0.101 R)
• M21: 17,565,184 km (0.104 R)
• M22: 18,577,961 km (0.09 R)
• M23: 19,098,711 km (0.117 R)
• M24: 19,868,243 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.1

Radius: 8.9

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.1 AU - 4.46 AU

Year: 4745 Days

Day: 10.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,406,034 km

• M1: 113,395 km (0.063 R)
• M2: 522,396 km (0.101 R)
• M3: 1,027,438 km (0.066 R)
• M4: 1,558,511 km (0.063 R)
• M5: 2,740,483 km (0.101 R)
• M6: 4,534,461 km (0.084 R)
• M7: 4,944,210 km (0.099 R)
• M8: 6,323,352 km (0.06 R)
• M9: 7,942,600 km (0.114 R)
• M10: 10,819,217 km (0.097 R)
• M11: 12,964,600 km (0.089 R)
• M12: 14,271,786 km (0.045 R)
• M13: 18,978,734 km (0.053 R)
• M14: 25,176,574 km (0.063 R)
• M15: 25,733,527 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.4

Radius: 6.3

Gravity: 20.9 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.54 AU - 7.18 AU

Year: 11601 Days

Day: 24.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,406,034 km

• M1: 79,436 km (0.097 R)
• M2: 355,145 km (0.092 R)
• M3: 2,029,894 km (0.077 R)
• M4: 2,641,150 km (0.117 R)
• M5: 3,292,799 km (0.077 R)
• M6: 3,737,703 km (0.114 R)
• M7: 4,651,147 km (0.072 R)
• M8: 5,525,397 km (0.117 R)
• M9: 5,889,219 km (0.117 R)
• M10: 6,827,647 km (0.065 R)
• M11: 7,727,478 km (0.112 R)
• M12: 8,607,413 km (0.103 R)
• M13: 8,849,761 km (0.114 R)
• M14: 9,096,598 km (0.081 R)
• M15: 9,552,422 km (0.111 R)
• M16: 11,068,597 km (0.105 R)
• M17: 12,367,256 km (0.051 R)
• M18: 13,244,647 km (0.108 R)
• M19: 16,868,357 km (0.059 R)
• M20: 17,401,823 km (0.031 R)
• M21: 18,824,947 km (0.112 R)
• M22: 20,495,207 km (0.101 R)
• M23: 21,900,829 km (0.067 R)
• M24: 25,793,814 km (0.094 R)
• M25: 26,399,686 km (0.049 R)
• M26: 29,681,863 km (0.057 R)
• M27: 35,161,184 km (0.104 R)
• M28: 36,031,096 km (0.056 R)
• M29: 37,942,957 km (0.092 R)
• M30: 39,921,688 km (0.112 R)
• M31: 41,004,477 km (0.052 R)
• M32: 42,665,313 km (0.03 R)
• M33: 43,087,478 km (0.092 R)
• M34: 43,512,336 km (0.109 R)
• M35: 53,745,279 km (0.077 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 20,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit