🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 12.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.61 AU - 0.79 AU

Year: 391 Days

Day: 10.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,088,847 km

• M1: 151,692 km (0.064 R)
• M2: 568,622 km (0.07 R)
• M3: 968,197 km (0.067 R)
• M4: 1,375,253 km (0.082 R)
• M5: 1,759,720 km (0.106 R)
• M6: 2,432,761 km (0.113 R)
• M7: 2,916,859 km (0.113 R)
• M8: 3,689,233 km (0.086 R)
• M9: 4,155,230 km (0.062 R)
• M10: 4,606,866 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.1

Radius: 14.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.97 AU - 2.99 AU

Year: 2604 Days

Day: 5.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,088,847 km

• M1: 176,525 km (0.11 R)
• M2: 840,441 km (0.05 R)
• M3: 1,937,891 km (0.073 R)
• M4: 2,644,591 km (0.1 R)
• M5: 3,690,579 km (0.094 R)
• M6: 4,557,649 km (0.087 R)
• M7: 5,533,625 km (0.091 R)
• M8: 6,697,347 km (0.084 R)
• M9: 8,505,836 km (0.096 R)
• M10: 9,175,735 km (0.11 R)
• M11: 10,053,725 km (0.093 R)
• M12: 11,436,757 km (0.05 R)
• M13: 12,016,449 km (0.106 R)
• M14: 13,276,661 km (0.111 R)
• M15: 13,960,772 km (0.12 R)
• M16: 14,533,882 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.3

Radius: 14.9

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.41 AU - 4.43 AU

Year: 5176 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,088,847 km

• M1: 186,997 km (0.059 R)
• M2: 930,798 km (0.055 R)
• M3: 1,985,613 km (0.062 R)
• M4: 2,450,413 km (0.069 R)
• M5: 2,989,115 km (0.088 R)
• M6: 3,808,762 km (0.096 R)
• M7: 4,909,353 km (0.095 R)
• M8: 6,407,426 km (0.098 R)
• M9: 8,626,412 km (0.094 R)
• M10: 9,454,735 km (0.113 R)
• M11: 10,200,032 km (0.09 R)
• M12: 12,108,900 km (0.089 R)
• M13: 12,725,543 km (0.04 R)
• M14: 15,523,771 km (0.112 R)
• M15: 16,006,823 km (0.058 R)
• M16: 19,465,525 km (0.087 R)
• M17: 22,233,236 km (0.11 R)
• M18: 23,790,849 km (0.089 R)
• M19: 24,596,433 km (0.108 R)
• M20: 25,336,943 km (0.094 R)
• M21: 26,432,897 km (0.098 R)
• M22: 28,628,844 km (0.105 R)
• M23: 29,910,449 km (0.109 R)
• M24: 30,565,388 km (0.083 R)
• M25: 32,391,529 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.6

Radius: 7.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.2 AU - 9.56 AU

Year: 16177 Days

Day: 16.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,088,847 km

• M1: 91,255 km (0.102 R)
• M2: 1,165,966 km (0.091 R)
• M3: 1,635,554 km (0.09 R)
• M4: 3,353,087 km (0.083 R)
• M5: 4,792,817 km (0.048 R)
• M6: 8,914,537 km (0.099 R)
• M7: 9,992,240 km (0.104 R)
• M8: 16,059,182 km (0.112 R)
• M9: 18,693,451 km (0.068 R)
• M10: 23,041,363 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.9

Radius: 4.5

Gravity: 42.02 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.66 AU - 10.48 AU

Year: 19742 Days

Day: 15.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,088,847 km

• M1: 56,249 km (0.025 R)
• M2: 225,893 km (0.083 R)
• M3: 723,904 km (0.035 R)
• M4: 954,584 km (0.074 R)
• M5: 1,107,623 km (0.11 R)
• M6: 1,322,146 km (0.109 R)
• M7: 1,650,962 km (0.105 R)
• M8: 1,796,970 km (0.048 R)
• M9: 1,971,550 km (0.088 R)
• M10: 3,021,279 km (0.093 R)
• M11: 4,193,827 km (0.091 R)
• M12: 4,363,471 km (0.081 R)
• M13: 4,537,603 km (0.102 R)
• M14: 5,931,855 km (0.095 R)
• M15: 7,100,813 km (0.11 R)
• M16: 8,098,780 km (0.078 R)
• M17: 13,685,363 km (0.093 R)
• M18: 20,317,934 km (0.088 R)
• M19: 31,579,063 km (0.088 R)
• M20: 31,838,915 km (0.12 R)
• M21: 36,050,394 km (0.102 R)
• M22: 39,856,762 km (0.083 R)
• M23: 40,008,305 km (0.055 R)
• M24: 43,439,930 km (0.119 R)
• M25: 46,557,251 km (0.069 R)
• M26: 47,062,593 km (0.103 R)
• M27: 48,084,496 km (0.071 R)
• M28: 52,138,747 km (0.113 R)
• M29: 54,155,776 km (0.09 R)
• M30: 56,224,265 km (0.047 R)
• M31: 57,374,374 km (0.103 R)
• M32: 58,344,815 km (0.07 R)
• M33: 62,132,035 km (0.089 R)
• M34: 77,732,849 km (0.074 R)
• M35: 81,088,778 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 15,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit