🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491

Radius: 9.5

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.68 AU - 0.7 AU

Year: 403 Days

Day: 8.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 75.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,078,541 km

• M1: 118,182 km (0.097 R)
• M2: 447,597 km (0.055 R)
• M3: 859,440 km (0.081 R)
• M4: 1,181,524 km (0.056 R)
• M5: 1,501,663 km (0.088 R)
• M6: 1,843,195 km (0.118 R)
• M7: 2,162,138 km (0.117 R)
• M8: 2,591,933 km (0.099 R)
• M9: 3,067,504 km (0.054 R)
• M10: 3,877,278 km (0.102 R)
• M11: 4,569,916 km (0.11 R)
• M12: 4,997,167 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.3

Radius: 11

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.47 AU - 2.67 AU

Year: 2896 Days

Day: 8 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,078,541 km

• M1: 136,882 km (0.081 R)
• M2: 484,996 km (0.085 R)
• M3: 836,252 km (0.069 R)
• M4: 1,188,106 km (0.075 R)
• M5: 1,674,599 km (0.087 R)
• M6: 2,028,098 km (0.117 R)
• M7: 2,534,038 km (0.091 R)
• M8: 3,279,634 km (0.092 R)
• M9: 4,642,471 km (0.098 R)
• M10: 5,155,591 km (0.057 R)
• M11: 6,720,834 km (0.116 R)
• M12: 7,628,444 km (0.07 R)
• M13: 9,069,371 km (0.058 R)
• M14: 13,430,897 km (0.106 R)
• M15: 14,818,267 km (0.066 R)
• M16: 17,988,396 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.2

Radius: 11.7

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.64 AU - 3.2 AU

Year: 3507 Days

Day: 14.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,078,541 km

• M1: 145,559 km (0.051 R)
• M2: 706,252 km (0.063 R)
• M3: 1,194,389 km (0.048 R)
• M4: 1,593,816 km (0.04 R)
• M5: 3,074,685 km (0.046 R)
• M6: 3,789,314 km (0.1 R)
• M7: 4,591,458 km (0.057 R)
• M8: 5,259,412 km (0.07 R)
• M9: 7,187,579 km (0.06 R)
• M10: 8,969,888 km (0.079 R)
• M11: 9,712,941 km (0.098 R)
• M12: 12,980,308 km (0.082 R)
• M13: 13,512,278 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.8

Radius: 12.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.04 AU - 4.04 AU

Year: 4682 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,078,541 km

• M1: 160,369 km (0.105 R)
• M2: 621,729 km (0.036 R)
• M3: 1,269,787 km (0.119 R)
• M4: 1,752,689 km (0.11 R)
• M5: 2,448,618 km (0.108 R)
• M6: 3,850,350 km (0.107 R)
• M7: 4,675,532 km (0.077 R)
• M8: 5,431,300 km (0.074 R)
• M9: 7,050,398 km (0.094 R)
• M10: 8,134,833 km (0.085 R)
• M11: 10,173,852 km (0.101 R)
• M12: 14,252,937 km (0.03 R)
• M13: 15,375,669 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.6

Radius: 6.6

Gravity: 20.1 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.98 AU - 7 AU

Year: 10305 Days

Day: 22.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 44,078,541 km

• M1: 126,111 km (0.108 R)
• M2: 361,279 km (0.087 R)
• M3: 971,040 km (0.074 R)
• M4: 1,208,302 km (0.071 R)
• M5: 1,986,361 km (0.057 R)
• M6: 2,220,481 km (0.114 R)
• M7: 2,595,822 km (0.111 R)
• M8: 2,876,468 km (0.058 R)
• M9: 3,177,309 km (0.069 R)
• M10: 4,236,761 km (0.118 R)
• M11: 5,942,476 km (0.03 R)
• M12: 6,470,258 km (0.059 R)
• M13: 7,749,918 km (0.078 R)
• M14: 8,472,625 km (0.09 R)
• M15: 10,103,691 km (0.094 R)
• M16: 10,745,316 km (0.048 R)
• M17: 12,228,579 km (0.089 R)
• M18: 13,522,451 km (0.052 R)
• M19: 14,038,414 km (0.111 R)
• M20: 15,735,901 km (0.096 R)
• M21: 17,263,893 km (0.091 R)
• M22: 17,948,005 km (0.101 R)
• M23: 20,443,147 km (0.094 R)
• M24: 21,381,575 km (0.11 R)
• M25: 21,729,689 km (0.081 R)
• M26: 23,343,701 km (0.081 R)
• M27: 24,844,018 km (0.105 R)
• M28: 26,208,500 km (0.038 R)
• M29: 26,909,216 km (0.12 R)
• M30: 29,621,276 km (0.077 R)
• M31: 34,497,419 km (0.109 R)
• M32: 35,581,704 km (0.106 R)
• M33: 42,843,035 km (0.063 R)
• M34: 43,675,098 km (0.078 R)
• M35: 44,376,712 km (0.089 R)
• M36: 50,415,829 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.4

Radius: 4

Gravity: 31.65 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.07 AU - 6.93 AU

Year: 11649 Days

Day: 20.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 44,078,541 km

• M1: 49,816 km (0.1 R)
• M2: 306,676 km (0.1 R)
• M3: 444,904 km (0.111 R)
• M4: 729,140 km (0.052 R)
• M5: 1,423,125 km (0.055 R)
• M6: 1,591,123 km (0.115 R)
• M7: 2,035,279 km (0.102 R)
• M8: 2,176,200 km (0.038 R)
• M9: 3,257,643 km (0.053 R)
• M10: 3,941,156 km (0.106 R)
• M11: 6,445,574 km (0.102 R)
• M12: 7,981,196 km (0.084 R)
• M13: 8,649,300 km (0.053 R)
• M14: 10,197,638 km (0.107 R)
• M15: 11,253,949 km (0.097 R)
• M16: 11,864,906 km (0.115 R)
• M17: 12,971,931 km (0.112 R)
• M18: 13,213,382 km (0.114 R)
• M19: 16,989,082 km (0.118 R)
• M20: 20,271,559 km (0.113 R)
• M21: 22,796,472 km (0.079 R)
• M22: 24,316,535 km (0.087 R)
• M23: 25,523,342 km (0.107 R)
• M24: 26,965,016 km (0.091 R)
• M25: 29,073,149 km (0.113 R)
• M26: 31,288,544 km (0.077 R)
• M27: 31,832,033 km (0.058 R)
• M28: 35,226,559 km (0.089 R)
• M29: 36,769,511 km (0.103 R)
• M30: 38,979,520 km (0.075 R)
• M31: 39,482,319 km (0.115 R)
• M32: 40,758,389 km (0.11 R)
• M33: 41,016,744 km (0.036 R)
• M34: 42,325,576 km (0.115 R)
• M35: 44,204,226 km (0.088 R)
• M36: 46,700,416 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.3

Radius: 7.3

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.71 AU - 8.81 AU

Year: 16687 Days

Day: 20.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,078,541 km

• M1: 322,533 km (0.078 R)
• M2: 786,436 km (0.063 R)
• M3: 1,098,348 km (0.1 R)
• M4: 1,850,376 km (0.076 R)
• M5: 2,092,126 km (0.081 R)
• M6: 2,391,920 km (0.117 R)
• M7: 2,905,939 km (0.096 R)
• M8: 4,686,901 km (0.094 R)
• M9: 5,490,840 km (0.095 R)
• M10: 7,489,318 km (0.041 R)
• M11: 8,151,588 km (0.09 R)
• M12: 10,625,039 km (0.085 R)
• M13: 13,439,574 km (0.095 R)
• M14: 15,114,022 km (0.103 R)
• M15: 16,992,673 km (0.083 R)
• M16: 18,796,972 km (0.116 R)
• M17: 30,477,873 km (0.101 R)
• M18: 34,905,073 km (0.116 R)
• M19: 38,043,487 km (0.117 R)
• M20: 42,772,126 km (0.067 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 15,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit