🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.8

Radius: 12.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.7 AU - 1.12 AU

Year: 561 Days

Day: 5.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,598,600 km

• M1: 156,629 km (0.03 R)
• M2: 556,354 km (0.118 R)
• M3: 1,160,580 km (0.12 R)
• M4: 1,674,898 km (0.099 R)
• M5: 2,167,673 km (0.091 R)
• M6: 3,354,134 km (0.025 R)
• M7: 4,203,102 km (0.077 R)
• M8: 4,809,123 km (0.092 R)
• M9: 5,422,324 km (0.114 R)
• M10: 6,086,988 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.4

Radius: 13.2

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.31 AU - 1.93 AU

Year: 1331 Days

Day: 12.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,598,600 km

• M1: 165,306 km (0.117 R)
• M2: 641,176 km (0.114 R)
• M3: 1,088,025 km (0.065 R)
• M4: 1,536,221 km (0.111 R)
• M5: 2,079,111 km (0.092 R)
• M6: 2,518,630 km (0.089 R)
• M7: 3,239,991 km (0.089 R)
• M8: 3,696,264 km (0.106 R)
• M9: 4,981,908 km (0.072 R)
• M10: 6,478,635 km (0.11 R)
• M11: 7,257,292 km (0.094 R)
• M12: 8,582,430 km (0.051 R)
• M13: 9,317,404 km (0.105 R)
• M14: 9,760,214 km (0.119 R)
• M15: 10,848,389 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 11.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.49 AU - 2.37 AU

Year: 1731 Days

Day: 8.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,598,600 km

• M1: 144,661 km (0.097 R)
• M2: 527,183 km (0.112 R)
• M3: 1,006,943 km (0.104 R)
• M4: 1,398,590 km (0.102 R)
• M5: 1,958,835 km (0.105 R)
• M6: 3,752,214 km (0.064 R)
• M7: 5,807,240 km (0.112 R)
• M8: 6,197,391 km (0.107 R)
• M9: 6,693,308 km (0.07 R)
• M10: 7,619,020 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.8

Radius: 14.2

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.78 AU - 2.7 AU

Year: 2165 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,598,600 km

• M1: 176,525 km (0.058 R)
• M2: 712,385 km (0.073 R)
• M3: 1,285,794 km (0.072 R)
• M4: 1,988,604 km (0.109 R)
• M5: 2,949,771 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.9

Radius: 13.9

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.07 AU - 2.55 AU

Year: 2267 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,598,600 km

• M1: 172,935 km (0.106 R)
• M2: 738,116 km (0.098 R)
• M3: 1,749,846 km (0.081 R)
• M4: 3,861,121 km (0.091 R)
• M5: 5,184,763 km (0.067 R)
• M6: 6,719,338 km (0.111 R)
• M7: 8,368,654 km (0.031 R)
• M8: 9,333,710 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.1

Radius: 13.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.55 AU - 3.39 AU

Year: 3305 Days

Day: 14 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,598,600 km

• M1: 167,998 km (0.109 R)
• M2: 929,152 km (0.111 R)
• M3: 1,414,448 km (0.101 R)
• M4: 1,839,306 km (0.091 R)
• M5: 2,514,441 km (0.083 R)
• M6: 3,117,470 km (0.071 R)
• M7: 4,083,872 km (0.069 R)
• M8: 5,217,974 km (0.106 R)
• M9: 6,912,170 km (0.101 R)
• M10: 9,496,772 km (0.087 R)
• M11: 12,416,174 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 12.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.38 AU - 4.46 AU

Year: 6000 Days

Day: 15 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,598,600 km

• M1: 160,519 km (0.117 R)
• M2: 718,519 km (0.119 R)
• M3: 1,302,100 km (0.105 R)
• M4: 2,084,198 km (0.072 R)
• M5: 2,504,418 km (0.111 R)
• M6: 2,981,785 km (0.094 R)
• M7: 3,720,200 km (0.053 R)
• M8: 4,345,818 km (0.087 R)
• M9: 4,792,966 km (0.116 R)
• M10: 5,864,237 km (0.054 R)
• M11: 6,744,919 km (0.076 R)
• M12: 8,659,024 km (0.115 R)
• M13: 9,217,922 km (0.12 R)
• M14: 10,491,149 km (0.093 R)
• M15: 10,912,267 km (0.12 R)
• M16: 12,569,363 km (0.101 R)
• M17: 13,286,984 km (0.091 R)
• M18: 14,543,456 km (0.095 R)
• M19: 17,467,197 km (0.107 R)
• M20: 23,796,533 km (0.048 R)
• M21: 24,969,530 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 10.5

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.72 AU - 4.86 AU

Year: 6769 Days

Day: 6.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,598,600 km

• M1: 130,599 km (0.045 R)
• M2: 558,748 km (0.064 R)
• M3: 1,034,170 km (0.082 R)
• M4: 3,232,062 km (0.118 R)
• M5: 4,451,434 km (0.047 R)
• M6: 4,966,051 km (0.071 R)
• M7: 5,611,416 km (0.114 R)
• M8: 8,041,185 km (0.105 R)
• M9: 10,481,126 km (0.103 R)
• M10: 11,246,319 km (0.107 R)
• M11: 12,202,848 km (0.106 R)
• M12: 14,978,936 km (0.072 R)
• M13: 16,833,052 km (0.083 R)
• M14: 17,882,032 km (0.1 R)
• M15: 18,286,545 km (0.111 R)
• M16: 19,465,675 km (0.113 R)
• M17: 20,694,921 km (0.089 R)
• M18: 21,215,820 km (0.094 R)
• M19: 23,628,535 km (0.048 R)
• M20: 24,444,292 km (0.098 R)
• M21: 28,532,353 km (0.1 R)
• M22: 31,075,666 km (0.068 R)
• M23: 31,562,757 km (0.044 R)
• M24: 34,384,921 km (0.113 R)
• M25: 35,010,988 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.3

Radius: 5

Gravity: 15.53 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.74 AU - 7.38 AU

Year: 9632 Days

Day: 21.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,598,600 km

• M1: 62,233 km (0.115 R)
• M2: 265,686 km (0.102 R)
• M3: 484,847 km (0.056 R)
• M4: 756,965 km (0.093 R)
• M5: 2,266,557 km (0.088 R)
• M6: 2,442,933 km (0.041 R)
• M7: 3,535,446 km (0.11 R)
• M8: 3,996,358 km (0.045 R)
• M9: 6,111,073 km (0.103 R)
• M10: 10,818,170 km (0.085 R)
• M11: 18,323,046 km (0.109 R)
• M12: 19,544,812 km (0.111 R)
• M13: 25,237,011 km (0.112 R)
• M14: 26,656,695 km (0.087 R)
• M15: 29,848,515 km (0.108 R)
• M16: 34,775,222 km (0.086 R)
• M17: 35,755,537 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.2

Radius: 6.2

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 10.47 AU - 11.51 AU

Year: 23524 Days

Day: 17.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,598,600 km

• M1: 164,558 km (0.116 R)
• M2: 570,117 km (0.104 R)
• M3: 1,512,135 km (0.101 R)
• M4: 1,758,224 km (0.108 R)
• M5: 2,088,685 km (0.076 R)
• M6: 2,849,839 km (0.113 R)
• M7: 3,637,771 km (0.112 R)
• M8: 4,696,775 km (0.071 R)
• M9: 6,437,346 km (0.108 R)
• M10: 8,069,608 km (0.057 R)
• M11: 13,664,419 km (0.106 R)
• M12: 16,800,439 km (0.081 R)
• M13: 22,258,518 km (0.093 R)
• M14: 29,834,603 km (0.072 R)
• M15: 33,115,583 km (0.078 R)
• M16: 33,621,373 km (0.104 R)
• M17: 47,677,739 km (0.117 R)
• M18: 52,484,019 km (0.098 R)
• M19: 60,942,881 km (0.053 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: 539 - 18,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit