🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.8

Radius: 13.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.53 AU - 0.77 AU

Year: 362 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,707,483 km

• M1: 165,455 km (0.102 R)
• M2: 602,431 km (0.087 R)
• M3: 1,023,997 km (0.045 R)
• M4: 2,482,876 km (0.099 R)
• M5: 2,910,875 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.3

Radius: 10.1

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.8 AU - 0.88 AU

Year: 531 Days

Day: 7.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,707,483 km

• M1: 125,662 km (0.108 R)
• M2: 476,469 km (0.096 R)
• M3: 827,725 km (0.062 R)
• M4: 1,358,498 km (0.101 R)
• M5: 1,922,183 km (0.116 R)
• M6: 2,360,355 km (0.054 R)
• M7: 2,775,788 km (0.116 R)
• M8: 3,288,909 km (0.102 R)
• M9: 3,674,273 km (0.117 R)
• M10: 4,046,922 km (0.025 R)
• M11: 4,475,071 km (0.096 R)
• M12: 5,081,840 km (0.053 R)
• M13: 5,492,785 km (0.071 R)
• M14: 6,246,309 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.9

Radius: 9.6

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.81 AU - 1.11 AU

Year: 649 Days

Day: 5.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,707,483 km

• M1: 119,529 km (0.087 R)
• M2: 477,516 km (0.061 R)
• M3: 917,185 km (0.095 R)
• M4: 1,606,831 km (0.12 R)
• M5: 2,023,162 km (0.076 R)
• M6: 2,431,713 km (0.091 R)
• M7: 2,904,592 km (0.108 R)
• M8: 3,745,931 km (0.12 R)
• M9: 4,326,670 km (0.064 R)
• M10: 4,659,375 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.2

Radius: 9.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.01 AU - 3.19 AU

Year: 3768 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,707,483 km

• M1: 121,922 km (0.071 R)
• M2: 918,381 km (0.087 R)
• M3: 1,232,537 km (0.096 R)
• M4: 1,797,269 km (0.055 R)
• M5: 3,100,117 km (0.112 R)
• M6: 5,009,434 km (0.046 R)
• M7: 5,594,512 km (0.055 R)
• M8: 8,489,829 km (0.108 R)
• M9: 13,443,613 km (0.114 R)

Asteroid Belt

Center: 3.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 14.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.24 AU - 4.22 AU

Year: 4972 Days

Day: 6.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,707,483 km

• M1: 181,612 km (0.071 R)
• M2: 1,008,290 km (0.114 R)
• M3: 1,535,622 km (0.11 R)
• M4: 2,586,398 km (0.116 R)
• M5: 3,793,204 km (0.093 R)
• M6: 4,945,257 km (0.109 R)
• M7: 6,368,381 km (0.101 R)
• M8: 6,899,005 km (0.045 R)
• M9: 8,253,614 km (0.047 R)
• M10: 10,045,048 km (0.117 R)
• M11: 10,766,409 km (0.114 R)
• M12: 11,485,377 km (0.091 R)
• M13: 12,121,616 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.7

Radius: 9.5

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.19 AU - 4.65 AU

Year: 5357 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,707,483 km

• M1: 118,631 km (0.066 R)
• M2: 419,921 km (0.101 R)
• M3: 825,780 km (0.091 R)
• M4: 1,307,934 km (0.11 R)
• M5: 1,718,880 km (0.101 R)
• M6: 2,567,698 km (0.104 R)
• M7: 3,239,542 km (0.092 R)
• M8: 4,220,156 km (0.05 R)
• M9: 4,820,193 km (0.115 R)
• M10: 5,357,848 km (0.083 R)
• M11: 5,656,595 km (0.053 R)
• M12: 8,032,957 km (0.054 R)
• M13: 8,545,479 km (0.08 R)
• M14: 9,121,730 km (0.07 R)
• M15: 9,989,697 km (0.057 R)
• M16: 10,443,876 km (0.07 R)
• M17: 10,864,246 km (0.084 R)
• M18: 11,393,523 km (0.118 R)
• M19: 13,683,867 km (0.115 R)
• M20: 17,736,174 km (0.066 R)
• M21: 19,856,425 km (0.107 R)
• M22: 20,647,797 km (0.093 R)
• M23: 22,912,859 km (0.082 R)
• M24: 24,267,467 km (0.08 R)
• M25: 24,675,870 km (0.107 R)
• M26: 26,613,760 km (0.109 R)
• M27: 27,575,675 km (0.094 R)
• M28: 28,741,940 km (0.106 R)
• M29: 31,365,288 km (0.101 R)
• M30: 32,834,339 km (0.11 R)
• M31: 34,144,218 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.5

Radius: 13.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.96 AU - 6.08 AU

Year: 7764 Days

Day: 13.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,707,483 km

• M1: 166,652 km (0.119 R)
• M2: 605,572 km (0.052 R)
• M3: 1,178,532 km (0.052 R)
• M4: 1,711,100 km (0.091 R)
• M5: 2,404,038 km (0.11 R)
• M6: 3,802,628 km (0.11 R)
• M7: 4,665,509 km (0.036 R)
• M8: 5,459,425 km (0.075 R)
• M9: 6,705,725 km (0.109 R)
• M10: 7,841,172 km (0.109 R)
• M11: 10,441,333 km (0.113 R)
• M12: 10,899,102 km (0.117 R)
• M13: 11,964,539 km (0.09 R)
• M14: 13,039,848 km (0.094 R)
• M15: 14,931,363 km (0.104 R)
• M16: 18,138,891 km (0.091 R)
• M17: 23,728,466 km (0.09 R)
• M18: 24,255,350 km (0.108 R)
• M19: 24,700,254 km (0.108 R)
• M20: 25,150,693 km (0.11 R)
• M21: 29,354,393 km (0.042 R)
• M22: 31,516,831 km (0.034 R)
• M23: 33,016,250 km (0.065 R)
• M24: 33,453,375 km (0.118 R)
• M25: 34,674,991 km (0.112 R)
• M26: 37,325,417 km (0.088 R)
• M27: 40,856,375 km (0.062 R)
• M28: 41,996,012 km (0.088 R)
• M29: 43,156,592 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.7

Radius: 4

Gravity: 57.54 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.86 AU - 7.56 AU

Year: 13363 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,707,483 km

• M1: 52,808 km (0.106 R)
• M2: 197,170 km (0.105 R)
• M3: 423,811 km (0.108 R)
• M4: 723,306 km (0.117 R)
• M5: 882,029 km (0.12 R)
• M6: 1,016,069 km (0.116 R)
• M7: 1,354,459 km (0.052 R)
• M8: 1,923,380 km (0.116 R)
• M9: 4,534,461 km (0.117 R)
• M10: 4,800,895 km (0.066 R)
• M11: 6,050,635 km (0.065 R)
• M12: 6,793,090 km (0.083 R)
• M13: 7,780,585 km (0.085 R)
• M14: 8,210,978 km (0.092 R)
• M15: 8,606,515 km (0.11 R)
• M16: 9,435,736 km (0.107 R)
• M17: 10,603,048 km (0.105 R)
• M18: 10,835,823 km (0.087 R)
• M19: 12,822,632 km (0.055 R)
• M20: 14,180,382 km (0.081 R)
• M21: 15,556,234 km (0.064 R)
• M22: 15,856,776 km (0.1 R)
• M23: 17,337,795 km (0.054 R)
• M24: 22,045,640 km (0.095 R)
• M25: 23,687,476 km (0.073 R)
• M26: 25,099,381 km (0.092 R)
• M27: 25,616,840 km (0.075 R)
• M28: 33,752,870 km (0.078 R)
• M29: 34,130,006 km (0.089 R)
• M30: 35,408,021 km (0.091 R)
• M31: 44,954,011 km (0.088 R)
• M32: 46,488,137 km (0.107 R)
• M33: 46,955,181 km (0.096 R)
• M34: 50,804,185 km (0.12 R)
• M35: 52,300,164 km (0.119 R)
• M36: 57,319,771 km (0.079 R)
• M37: 59,304,785 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.2

Radius: 6

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.79 AU - 11.89 AU

Year: 22950 Days

Day: 18.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,707,483 km

• M1: 74,649 km (0.11 R)
• M2: 452,384 km (0.108 R)
• M3: 737,966 km (0.084 R)
• M4: 988,244 km (0.114 R)
• M5: 1,599,800 km (0.108 R)
• M6: 1,794,875 km (0.06 R)
• M7: 2,253,542 km (0.119 R)
• M8: 2,652,071 km (0.058 R)
• M9: 2,927,182 km (0.12 R)
• M10: 5,099,941 km (0.047 R)
• M11: 6,450,361 km (0.109 R)
• M12: 6,949,120 km (0.108 R)
• M13: 7,428,581 km (0.085 R)
• M14: 8,949,094 km (0.081 R)
• M15: 10,217,535 km (0.097 R)
• M16: 10,552,484 km (0.076 R)
• M17: 10,952,509 km (0.066 R)
• M18: 11,244,374 km (0.062 R)
• M19: 15,746,672 km (0.12 R)
• M20: 17,035,158 km (0.086 R)
• M21: 18,474,589 km (0.098 R)
• M22: 21,050,515 km (0.072 R)
• M23: 21,867,618 km (0.033 R)
• M24: 23,661,895 km (0.079 R)
• M25: 25,756,565 km (0.057 R)
• M26: 26,796,120 km (0.069 R)
• M27: 27,219,781 km (0.104 R)
• M28: 30,196,629 km (0.115 R)
• M29: 38,372,003 km (0.115 R)
• M30: 39,317,163 km (0.058 R)
• M31: 47,442,870 km (0.11 R)
• M32: 48,687,973 km (0.1 R)
• M33: 51,895,801 km (0.043 R)
• M34: 53,384,150 km (0.078 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 14,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit