🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.5

Radius: 11.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.27 AU - 1.51 AU

Year: 1093 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,760,429 km

• M1: 147,952 km (0.114 R)
• M2: 525,238 km (0.077 R)
• M3: 913,145 km (0.043 R)
• M4: 1,471,744 km (0.103 R)
• M5: 2,084,497 km (0.074 R)
• M6: 2,520,575 km (0.095 R)
• M7: 2,900,404 km (0.102 R)
• M8: 3,361,165 km (0.101 R)
• M9: 3,808,313 km (0.119 R)
• M10: 5,276,466 km (0.059 R)
• M11: 5,716,883 km (0.093 R)
• M12: 6,603,699 km (0.088 R)
• M13: 7,309,202 km (0.11 R)
• M14: 7,781,483 km (0.106 R)
• M15: 8,353,695 km (0.073 R)
• M16: 10,549,642 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.4

Radius: 9.8

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.73 AU - 1.89 AU

Year: 1624 Days

Day: 12.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,760,429 km

• M1: 122,221 km (0.092 R)
• M2: 655,687 km (0.115 R)
• M3: 1,022,202 km (0.104 R)
• M4: 1,427,912 km (0.109 R)
• M5: 1,749,996 km (0.062 R)
• M6: 2,584,453 km (0.045 R)
• M7: 3,496,252 km (0.087 R)
• M8: 4,412,240 km (0.112 R)
• M9: 4,916,085 km (0.097 R)
• M10: 5,390,759 km (0.055 R)
• M11: 5,778,367 km (0.086 R)
• M12: 7,134,771 km (0.053 R)
• M13: 7,490,814 km (0.067 R)
• M14: 8,120,621 km (0.037 R)
• M15: 12,624,415 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.3

Radius: 11.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.14 AU - 5.2 AU

Year: 7839 Days

Day: 6.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,760,429 km

• M1: 152,889 km (0.087 R)
• M2: 591,809 km (0.047 R)
• M3: 1,271,283 km (0.111 R)
• M4: 3,451,821 km (0.113 R)
• M5: 8,337,389 km (0.097 R)
• M6: 11,870,441 km (0.039 R)
• M7: 18,935,201 km (0.094 R)
• M8: 19,916,413 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.9

Radius: 5.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.18 AU - 6.94 AU

Year: 11204 Days

Day: 19.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,760,429 km

• M1: 73,303 km (0.103 R)
• M2: 282,291 km (0.072 R)
• M3: 481,256 km (0.096 R)
• M4: 1,072,467 km (0.036 R)
• M5: 1,281,306 km (0.098 R)
• M6: 1,885,831 km (0.088 R)
• M7: 2,282,116 km (0.106 R)
• M8: 3,278,288 km (0.066 R)
• M9: 4,807,028 km (0.068 R)
• M10: 5,140,632 km (0.076 R)
• M11: 6,981,284 km (0.057 R)
• M12: 8,989,486 km (0.069 R)
• M13: 11,945,240 km (0.098 R)
• M14: 12,366,957 km (0.116 R)
• M15: 16,390,392 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.6

Radius: 6.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.64 AU - 7.48 AU

Year: 11204 Days

Day: 24.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,760,429 km

• M1: 87,066 km (0.094 R)
• M2: 328,218 km (0.115 R)
• M3: 860,637 km (0.114 R)
• M4: 2,606,593 km (0.071 R)
• M5: 3,018,287 km (0.052 R)
• M6: 4,097,186 km (0.036 R)
• M7: 4,654,289 km (0.119 R)
• M8: 4,879,434 km (0.111 R)
• M9: 5,290,977 km (0.114 R)
• M10: 5,567,584 km (0.111 R)
• M11: 7,743,335 km (0.068 R)
• M12: 8,635,387 km (0.063 R)
• M13: 10,052,827 km (0.055 R)
• M14: 11,313,489 km (0.1 R)
• M15: 12,406,002 km (0.038 R)
• M16: 13,172,392 km (0.118 R)
• M17: 14,439,785 km (0.06 R)
• M18: 14,799,119 km (0.11 R)
• M19: 15,535,739 km (0.059 R)
• M20: 16,555,398 km (0.116 R)
• M21: 16,817,194 km (0.091 R)
• M22: 17,687,106 km (0.045 R)
• M23: 18,586,638 km (0.076 R)
• M24: 21,313,358 km (0.09 R)
• M25: 22,014,823 km (0.066 R)
• M26: 24,889,495 km (0.116 R)
• M27: 26,819,158 km (0.052 R)
• M28: 28,283,721 km (0.103 R)
• M29: 28,752,112 km (0.079 R)
• M30: 34,569,674 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.8

Radius: 5.4

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.81 AU - 11.03 AU

Year: 19280 Days

Day: 15.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,760,429 km

• M1: 67,169 km (0.077 R)
• M2: 420,819 km (0.051 R)
• M3: 885,171 km (0.064 R)
• M4: 3,624,008 km (0.09 R)
• M5: 4,592,056 km (0.087 R)
• M6: 5,983,017 km (0.099 R)
• M7: 6,449,912 km (0.1 R)
• M8: 7,455,958 km (0.117 R)
• M9: 9,104,676 km (0.097 R)
• M10: 15,338,718 km (0.073 R)
• M11: 15,698,352 km (0.112 R)
• M12: 29,395,533 km (0.097 R)
• M13: 34,030,673 km (0.077 R)
• M14: 39,263,607 km (0.094 R)
• M15: 39,666,324 km (0.079 R)
• M16: 45,596,982 km (0.113 R)
• M17: 46,789,876 km (0.083 R)
• M18: 49,862,765 km (0.117 R)
• M19: 55,728,199 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.5

Radius: 5.6

Gravity: 23.26 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.75 AU - 12.31 AU

Year: 22786 Days

Day: 15.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,760,429 km

• M1: 69,713 km (0.066 R)
• M2: 391,198 km (0.103 R)
• M3: 614,548 km (0.116 R)
• M4: 865,274 km (0.101 R)
• M5: 1,100,143 km (0.077 R)
• M6: 1,345,932 km (0.119 R)
• M7: 1,541,008 km (0.048 R)
• M8: 1,736,682 km (0.042 R)
• M9: 3,311,050 km (0.115 R)
• M10: 3,826,714 km (0.063 R)
• M11: 4,053,953 km (0.112 R)
• M12: 5,695,640 km (0.069 R)
• M13: 6,570,937 km (0.088 R)
• M14: 6,992,803 km (0.067 R)
• M15: 7,838,629 km (0.119 R)
• M16: 8,530,071 km (0.111 R)
• M17: 8,918,726 km (0.115 R)
• M18: 11,436,608 km (0.043 R)
• M19: 13,111,206 km (0.043 R)
• M20: 13,331,414 km (0.066 R)
• M21: 15,671,424 km (0.105 R)
• M22: 17,463,307 km (0.089 R)
• M23: 18,638,698 km (0.066 R)
• M24: 20,351,594 km (0.12 R)
• M25: 22,795,275 km (0.058 R)
• M26: 23,977,846 km (0.119 R)
• M27: 24,639,966 km (0.052 R)
• M28: 26,348,224 km (0.112 R)
• M29: 27,410,219 km (0.097 R)
• M30: 30,509,738 km (0.029 R)
• M31: 33,423,605 km (0.069 R)
• M32: 33,834,850 km (0.1 R)
• M33: 41,825,470 km (0.09 R)
• M34: 45,244,679 km (0.085 R)
• M35: 55,263,847 km (0.062 R)
• M36: 76,412,348 km (0.056 R)
• M37: 84,760,358 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 12,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit