🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 10.9

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.99 AU - 1.47 AU

Year: 959 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,613,194 km

• M1: 135,536 km (0.099 R)
• M2: 587,321 km (0.057 R)
• M3: 986,000 km (0.103 R)
• M4: 1,453,643 km (0.116 R)
• M5: 2,088,087 km (0.098 R)
• M6: 2,669,424 km (0.096 R)
• M7: 3,073,488 km (0.105 R)
• M8: 4,832,161 km (0.109 R)
• M9: 5,538,412 km (0.091 R)
• M10: 6,447,967 km (0.088 R)
• M11: 7,429,180 km (0.056 R)
• M12: 7,812,001 km (0.117 R)
• M13: 8,562,234 km (0.09 R)
• M14: 9,012,075 km (0.062 R)
• M15: 9,867,625 km (0.114 R)
• M16: 10,552,185 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932

Radius: 11.3

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.78 AU - 2.5 AU

Year: 2201 Days

Day: 7.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,613,194 km

• M1: 140,472 km (0.03 R)
• M2: 498,161 km (0.116 R)
• M3: 895,942 km (0.071 R)
• M4: 1,263,204 km (0.099 R)
• M5: 1,986,959 km (0.074 R)
• M6: 2,874,224 km (0.105 R)
• M7: 3,390,636 km (0.089 R)
• M8: 3,813,399 km (0.07 R)
• M9: 4,502,896 km (0.095 R)
• M10: 4,900,527 km (0.111 R)
• M11: 5,590,921 km (0.111 R)
• M12: 6,157,000 km (0.078 R)
• M13: 7,647,742 km (0.044 R)
• M14: 8,119,574 km (0.087 R)
• M15: 8,711,084 km (0.106 R)
• M16: 9,544,494 km (0.067 R)
• M17: 10,054,622 km (0.114 R)
• M18: 13,148,606 km (0.08 R)
• M19: 15,057,325 km (0.074 R)
• M20: 16,411,186 km (0.044 R)
• M21: 18,619,699 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 14.6

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.81 AU - 2.95 AU

Year: 3436 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,613,194 km

• M1: 181,612 km (0.07 R)
• M2: 698,622 km (0.03 R)
• M3: 1,218,624 km (0.067 R)
• M4: 2,030,342 km (0.106 R)
• M5: 4,873,749 km (0.116 R)
• M6: 5,553,522 km (0.083 R)
• M7: 6,295,976 km (0.06 R)
• M8: 7,690,527 km (0.041 R)
• M9: 8,752,373 km (0.092 R)
• M10: 10,061,354 km (0.039 R)
• M11: 10,604,395 km (0.083 R)
• M12: 11,166,883 km (0.109 R)
• M13: 12,839,985 km (0.094 R)
• M14: 13,340,839 km (0.059 R)
• M15: 13,854,558 km (0.095 R)
• M16: 15,172,216 km (0.06 R)
• M17: 15,835,683 km (0.04 R)
• M18: 16,465,340 km (0.108 R)
• M19: 17,002,696 km (0.051 R)
• M20: 17,774,770 km (0.114 R)
• M21: 18,917,997 km (0.106 R)
• M22: 20,415,472 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.7

Radius: 10.7

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.42 AU - 5.02 AU

Year: 6094 Days

Day: 8 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,613,194 km

• M1: 133,740 km (0.058 R)
• M2: 542,292 km (0.091 R)
• M3: 975,378 km (0.062 R)
• M4: 1,406,818 km (0.079 R)
• M5: 2,410,470 km (0.091 R)
• M6: 2,818,125 km (0.055 R)
• M7: 3,387,793 km (0.066 R)
• M8: 4,303,781 km (0.114 R)
• M9: 8,261,094 km (0.108 R)
• M10: 9,002,949 km (0.099 R)
• M11: 9,508,590 km (0.103 R)
• M12: 9,951,101 km (0.091 R)
• M13: 10,747,859 km (0.066 R)
• M14: 11,496,447 km (0.088 R)
• M15: 15,493,253 km (0.094 R)
• M16: 16,276,996 km (0.116 R)
• M17: 21,135,337 km (0.116 R)
• M18: 22,734,239 km (0.118 R)
• M19: 23,092,227 km (0.107 R)
• M20: 24,712,222 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.2

Radius: 6.6

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.61 AU - 7.33 AU

Year: 10253 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,613,194 km

• M1: 228,137 km (0.063 R)
• M2: 631,004 km (0.067 R)
• M3: 1,261,858 km (0.074 R)
• M4: 1,504,356 km (0.114 R)
• M5: 4,154,183 km (0.091 R)
• M6: 4,753,173 km (0.095 R)
• M7: 5,254,326 km (0.112 R)
• M8: 5,790,036 km (0.057 R)
• M9: 11,103,752 km (0.102 R)
• M10: 11,825,562 km (0.07 R)
• M11: 12,854,945 km (0.06 R)
• M12: 13,135,441 km (0.069 R)
• M13: 16,694,823 km (0.116 R)
• M14: 17,028,875 km (0.102 R)
• M15: 22,105,329 km (0.086 R)
• M16: 24,253,854 km (0.074 R)
• M17: 32,658,562 km (0.08 R)
• M18: 36,996,750 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.1

Radius: 5.2

Gravity: 19.64 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.76 AU - 7.24 AU

Year: 10331 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,613,194 km

• M1: 67,319 km (0.111 R)
• M2: 252,222 km (0.11 R)
• M3: 480,808 km (0.095 R)
• M4: 999,164 km (0.111 R)
• M5: 1,709,006 km (0.114 R)
• M6: 2,041,263 km (0.061 R)
• M7: 2,750,806 km (0.041 R)
• M8: 3,276,343 km (0.071 R)
• M9: 3,441,649 km (0.072 R)
• M10: 4,024,482 km (0.095 R)
• M11: 5,614,558 km (0.081 R)
• M12: 6,604,297 km (0.038 R)
• M13: 9,199,970 km (0.107 R)
• M14: 9,387,715 km (0.11 R)
• M15: 10,064,945 km (0.097 R)
• M16: 11,247,366 km (0.029 R)
• M17: 13,701,071 km (0.067 R)
• M18: 14,444,722 km (0.065 R)
• M19: 16,977,114 km (0.036 R)
• M20: 17,617,543 km (0.105 R)
• M21: 19,174,109 km (0.073 R)
• M22: 23,418,799 km (0.084 R)
• M23: 25,205,296 km (0.115 R)
• M24: 29,553,209 km (0.098 R)
• M25: 32,496,547 km (0.05 R)
• M26: 32,822,970 km (0.089 R)
• M27: 35,055,718 km (0.044 R)
• M28: 35,629,426 km (0.114 R)
• M29: 36,913,275 km (0.072 R)
• M30: 37,268,719 km (0.106 R)
• M31: 43,665,973 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.7

Radius: 5.2

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.38 AU - 10.5 AU

Year: 17235 Days

Day: 22 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,613,194 km

• M1: 64,776 km (0.108 R)
• M2: 397,631 km (0.055 R)
• M3: 567,425 km (0.033 R)
• M4: 856,897 km (0.052 R)
• M5: 1,252,284 km (0.111 R)
• M6: 1,791,435 km (0.116 R)
• M7: 2,164,980 km (0.037 R)
• M8: 3,850,649 km (0.11 R)
• M9: 4,471,480 km (0.07 R)
• M10: 6,402,340 km (0.059 R)
• M11: 7,919,113 km (0.115 R)
• M12: 9,054,112 km (0.114 R)
• M13: 10,194,347 km (0.072 R)
• M14: 10,953,855 km (0.061 R)
• M15: 12,246,381 km (0.091 R)
• M16: 12,698,914 km (0.03 R)
• M17: 14,937,946 km (0.117 R)
• M18: 20,023,525 km (0.094 R)
• M19: 20,572,101 km (0.082 R)
• M20: 20,890,146 km (0.057 R)
• M21: 21,617,491 km (0.059 R)
• M22: 23,466,221 km (0.059 R)
• M23: 30,250,485 km (0.05 R)
• M24: 33,535,055 km (0.065 R)
• M25: 36,932,423 km (0.066 R)
• M26: 37,402,011 km (0.12 R)
• M27: 38,834,859 km (0.045 R)
• M28: 41,809,613 km (0.051 R)
• M29: 43,352,416 km (0.062 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 14,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit