🌌 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: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.5

Radius: 9.6

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.55 AU - 0.77 AU

Year: 364 Days

Day: 13.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,499,762 km

• M1: 119,379 km (0.098 R)
• M2: 529,726 km (0.07 R)
• M3: 884,722 km (0.119 R)
• M4: 1,303,596 km (0.092 R)
• M5: 1,619,247 km (0.025 R)
• M6: 2,101,401 km (0.104 R)
• M7: 2,598,665 km (0.054 R)
• M8: 3,460,648 km (0.101 R)
• M9: 3,997,106 km (0.115 R)
• M10: 4,375,588 km (0.102 R)
• M11: 5,049,527 km (0.101 R)
• M12: 5,395,696 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.9

Radius: 8.6

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.32 AU - 2 AU

Year: 1451 Days

Day: 6.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,499,762 km

• M1: 106,962 km (0.072 R)
• M2: 404,064 km (0.049 R)
• M3: 777,161 km (0.106 R)
• M4: 1,138,889 km (0.101 R)
• M5: 1,602,193 km (0.109 R)
• M6: 2,014,485 km (0.1 R)
• M7: 2,307,248 km (0.116 R)
• M8: 3,204,985 km (0.102 R)
• M9: 3,656,920 km (0.108 R)
• M10: 4,095,691 km (0.062 R)
• M11: 4,974,279 km (0.077 R)
• M12: 5,293,371 km (0.107 R)
• M13: 6,067,839 km (0.1 R)
• M14: 6,994,299 km (0.117 R)
• M15: 7,643,853 km (0.089 R)
• M16: 8,098,780 km (0.095 R)
• M17: 9,062,789 km (0.119 R)
• M18: 9,637,693 km (0.101 R)
• M19: 10,719,585 km (0.088 R)
• M20: 11,805,366 km (0.113 R)
• M21: 12,568,914 km (0.062 R)
• M22: 13,733,982 km (0.03 R)
• M23: 14,067,735 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.9

Radius: 10.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.81 AU - 3.15 AU

Year: 3489 Days

Day: 13.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,499,762 km

• M1: 137,032 km (0.112 R)
• M2: 596,148 km (0.071 R)
• M3: 950,545 km (0.057 R)
• M4: 1,315,564 km (0.105 R)
• M5: 1,956,291 km (0.103 R)
• M6: 2,442,634 km (0.07 R)
• M7: 3,216,055 km (0.117 R)
• M8: 4,294,506 km (0.067 R)
• M9: 4,811,367 km (0.099 R)
• M10: 5,219,619 km (0.113 R)
• M11: 5,835,514 km (0.119 R)
• M12: 9,370,960 km (0.088 R)
• M13: 9,705,760 km (0.079 R)
• M14: 10,320,608 km (0.11 R)
• M15: 11,333,235 km (0.073 R)
• M16: 11,671,027 km (0.104 R)
• M17: 12,146,300 km (0.025 R)
• M18: 13,840,496 km (0.112 R)
• M19: 17,023,938 km (0.101 R)
• M20: 18,435,544 km (0.099 R)
• M21: 19,319,069 km (0.086 R)
• M22: 20,665,599 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.9

Radius: 8.1

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.76 AU - 4.08 AU

Year: 5264 Days

Day: 8 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,499,762 km

• M1: 100,679 km (0.036 R)
• M2: 430,543 km (0.099 R)
• M3: 718,070 km (0.108 R)
• M4: 1,472,492 km (0.082 R)
• M5: 2,266,109 km (0.101 R)
• M6: 3,012,303 km (0.119 R)
• M7: 3,494,307 km (0.11 R)
• M8: 3,912,882 km (0.089 R)
• M9: 4,469,536 km (0.097 R)
• M10: 5,930,508 km (0.069 R)
• M11: 6,804,758 km (0.095 R)
• M12: 8,180,161 km (0.091 R)
• M13: 8,476,066 km (0.093 R)
• M14: 9,702,020 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.2

Radius: 3.9

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.45 AU - 7.47 AU

Year: 12454 Days

Day: 22.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,499,762 km

• M1: 53,855 km (0.081 R)
• M2: 255,812 km (0.109 R)
• M3: 499,058 km (0.071 R)
• M4: 724,502 km (0.106 R)
• M5: 1,214,286 km (0.089 R)
• M6: 1,490,593 km (0.107 R)
• M7: 1,943,127 km (0.095 R)
• M8: 2,391,472 km (0.04 R)
• M9: 2,649,528 km (0.109 R)
• M10: 2,987,619 km (0.118 R)
• M11: 4,800,596 km (0.102 R)
• M12: 7,698,755 km (0.116 R)
• M13: 8,677,724 km (0.075 R)
• M14: 9,554,666 km (0.056 R)
• M15: 11,482,684 km (0.087 R)
• M16: 11,792,651 km (0.048 R)
• M17: 12,921,516 km (0.085 R)
• M18: 13,369,861 km (0.119 R)
• M19: 22,581,499 km (0.097 R)
• M20: 24,568,608 km (0.116 R)
• M21: 27,763,121 km (0.117 R)
• M22: 37,385,555 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.9

Radius: 3.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.33 AU - 10.65 AU

Year: 19829 Days

Day: 16.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,499,762 km

• M1: 52,359 km (0.104 R)
• M2: 177,273 km (0.103 R)
• M3: 357,539 km (0.08 R)
• M4: 894,745 km (0.109 R)
• M5: 1,273,078 km (0.085 R)
• M6: 1,841,699 km (0.079 R)
• M7: 2,167,224 km (0.108 R)
• M8: 3,043,269 km (0.049 R)
• M9: 3,334,537 km (0.038 R)
• M10: 5,569,529 km (0.094 R)
• M11: 5,975,089 km (0.105 R)
• M12: 8,228,481 km (0.11 R)
• M13: 10,164,727 km (0.081 R)
• M14: 13,944,167 km (0.099 R)
• M15: 16,846,067 km (0.089 R)
• M16: 20,802,332 km (0.076 R)
• M17: 21,008,029 km (0.03 R)
• M18: 24,640,116 km (0.08 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 19,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit