🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 12.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.72 AU - 0.78 AU

Year: 441 Days

Day: 8.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,568,348 km

• M1: 160,369 km (0.088 R)
• M2: 614,548 km (0.112 R)
• M3: 1,105,079 km (0.117 R)
• M4: 1,632,113 km (0.097 R)
• M5: 2,200,585 km (0.093 R)
• M6: 3,420,107 km (0.108 R)
• M7: 4,003,089 km (0.07 R)
• M8: 5,080,194 km (0.076 R)
• M9: 5,551,727 km (0.079 R)
• M10: 5,981,671 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.9

Radius: 11.5

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.91 AU - 2.05 AU

Year: 1890 Days

Day: 7.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,568,348 km

• M1: 143,315 km (0.077 R)
• M2: 606,470 km (0.067 R)
• M3: 1,150,856 km (0.039 R)
• M4: 1,523,654 km (0.077 R)
• M5: 1,937,292 km (0.104 R)
• M6: 2,308,146 km (0.092 R)
• M7: 3,390,037 km (0.089 R)
• M8: 4,175,576 km (0.111 R)
• M9: 4,574,254 km (0.109 R)
• M10: 5,491,139 km (0.105 R)
• M11: 5,948,759 km (0.108 R)
• M12: 6,431,661 km (0.065 R)
• M13: 8,012,163 km (0.119 R)
• M14: 8,602,027 km (0.03 R)
• M15: 9,837,406 km (0.088 R)
• M16: 12,033,204 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.8

Radius: 12.4

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.43 AU - 4.41 AU

Year: 5264 Days

Day: 11.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,568,348 km

• M1: 154,235 km (0.115 R)
• M2: 651,798 km (0.034 R)
• M3: 1,164,769 km (0.086 R)
• M4: 1,738,178 km (0.064 R)
• M5: 2,128,030 km (0.058 R)
• M6: 2,978,344 km (0.108 R)
• M7: 3,755,505 km (0.114 R)
• M8: 6,464,722 km (0.073 R)
• M9: 7,946,788 km (0.06 R)
• M10: 8,844,974 km (0.031 R)
• M11: 9,480,615 km (0.087 R)
• M12: 10,061,654 km (0.084 R)
• M13: 13,433,440 km (0.114 R)
• M14: 14,167,218 km (0.107 R)
• M15: 14,707,415 km (0.041 R)
• M16: 15,714,658 km (0.077 R)
• M17: 17,249,981 km (0.101 R)
• M18: 17,866,324 km (0.093 R)
• M19: 19,870,936 km (0.094 R)
• M20: 20,343,515 km (0.119 R)
• M21: 24,017,041 km (0.117 R)
• M22: 25,889,856 km (0.025 R)
• M23: 26,943,923 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.4

Radius: 12.3

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.85 AU - 5.71 AU

Year: 8229 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,568,348 km

• M1: 153,338 km (0.042 R)
• M2: 659,278 km (0.114 R)
• M3: 1,127,370 km (0.051 R)
• M4: 1,520,513 km (0.089 R)
• M5: 2,388,629 km (0.099 R)
• M6: 3,344,260 km (0.11 R)
• M7: 5,176,834 km (0.033 R)
• M8: 6,065,146 km (0.101 R)
• M9: 6,597,266 km (0.08 R)
• M10: 7,160,502 km (0.1 R)
• M11: 9,129,808 km (0.038 R)
• M12: 9,607,474 km (0.041 R)
• M13: 10,425,176 km (0.112 R)
• M14: 11,587,103 km (0.12 R)
• M15: 12,941,113 km (0.11 R)
• M16: 13,712,739 km (0.059 R)
• M17: 14,456,241 km (0.085 R)
• M18: 17,702,514 km (0.054 R)
• M19: 19,925,539 km (0.086 R)
• M20: 22,173,247 km (0.097 R)
• M21: 22,958,636 km (0.097 R)
• M22: 23,681,343 km (0.094 R)
• M23: 25,087,713 km (0.111 R)
• M24: 34,091,709 km (0.107 R)
• M25: 34,507,591 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.3

Radius: 4.1

Gravity: 25.3 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.17 AU - 6.91 AU

Year: 10068 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 29,568,348 km

• M1: 51,162 km (0.065 R)
• M2: 228,735 km (0.064 R)
• M3: 470,186 km (0.09 R)
• M4: 699,819 km (0.067 R)
• M5: 849,566 km (0.063 R)
• M6: 1,692,102 km (0.096 R)
• M7: 1,917,695 km (0.104 R)
• M8: 2,756,191 km (0.048 R)
• M9: 3,200,347 km (0.098 R)
• M10: 3,617,725 km (0.103 R)
• M11: 4,096,588 km (0.083 R)
• M12: 4,283,286 km (0.101 R)
• M13: 5,429,356 km (0.094 R)
• M14: 5,786,296 km (0.088 R)
• M15: 6,475,344 km (0.093 R)
• M16: 8,434,178 km (0.079 R)
• M17: 8,736,516 km (0.102 R)
• M18: 9,501,260 km (0.073 R)
• M19: 10,856,168 km (0.078 R)
• M20: 11,685,688 km (0.104 R)
• M21: 13,295,361 km (0.06 R)
• M22: 17,428,152 km (0.099 R)
• M23: 18,060,502 km (0.101 R)
• M24: 22,015,870 km (0.107 R)
• M25: 22,754,285 km (0.118 R)
• M26: 22,920,638 km (0.113 R)
• M27: 23,255,737 km (0.119 R)
• M28: 26,055,012 km (0.098 R)
• M29: 28,392,030 km (0.111 R)
• M30: 30,058,850 km (0.115 R)
• M31: 30,662,328 km (0.088 R)
• M32: 31,582,654 km (0.061 R)
• M33: 33,693,480 km (0.095 R)
• M34: 35,114,809 km (0.097 R)
• M35: 39,737,982 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.4

Radius: 4.8

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.51 AU - 8.29 AU

Year: 12293 Days

Day: 16.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,568,348 km

• M1: 59,690 km (0.11 R)
• M2: 215,122 km (0.086 R)
• M3: 404,812 km (0.085 R)
• M4: 888,761 km (0.1 R)
• M5: 2,005,509 km (0.074 R)
• M6: 3,026,664 km (0.106 R)
• M7: 3,682,352 km (0.103 R)
• M8: 4,281,042 km (0.117 R)
• M9: 4,452,781 km (0.071 R)
• M10: 5,381,933 km (0.029 R)
• M11: 9,175,436 km (0.09 R)
• M12: 9,669,558 km (0.067 R)
• M13: 16,389,344 km (0.081 R)
• M14: 17,115,941 km (0.118 R)
• M15: 19,625,595 km (0.117 R)
• M16: 20,237,600 km (0.096 R)
• M17: 23,037,773 km (0.066 R)
• M18: 25,842,135 km (0.102 R)
• M19: 27,325,996 km (0.079 R)
• M20: 28,605,207 km (0.095 R)
• M21: 29,303,530 km (0.093 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: 394 - 14,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit