🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.2

Radius: 15

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.96 AU - 1.02 AU

Year: 636 Days

Day: 11.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,903,439 km

• M1: 189,989 km (0.114 R)
• M2: 749,485 km (0.1 R)
• M3: 1,299,856 km (0.051 R)
• M4: 1,806,245 km (0.109 R)
• M5: 2,397,455 km (0.067 R)
• M6: 3,497,598 km (0.11 R)
• M7: 4,612,252 km (0.082 R)
• M8: 5,467,653 km (0.094 R)
• M9: 6,824,655 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634

Radius: 11.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.27 AU - 1.51 AU

Year: 1058 Days

Day: 9.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,903,439 km

• M1: 157,227 km (0.079 R)
• M2: 681,867 km (0.109 R)
• M3: 1,201,869 km (0.094 R)
• M4: 2,192,058 km (0.092 R)
• M5: 2,607,640 km (0.039 R)
• M6: 3,267,367 km (0.052 R)
• M7: 6,034,329 km (0.104 R)
• M8: 7,237,545 km (0.109 R)
• M9: 8,379,276 km (0.068 R)
• M10: 9,318,751 km (0.101 R)
• M11: 10,357,708 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.5

Radius: 9.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.09 AU - 1.75 AU

Year: 1093 Days

Day: 11.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,903,439 km

• M1: 119,828 km (0.049 R)
• M2: 613,351 km (0.113 R)
• M3: 1,023,100 km (0.119 R)
• M4: 1,358,349 km (0.118 R)
• M5: 2,108,133 km (0.116 R)
• M6: 3,134,973 km (0.105 R)
• M7: 4,716,970 km (0.057 R)
• M8: 5,699,230 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.9

Radius: 10.5

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.77 AU - 2.65 AU

Year: 2121 Days

Day: 11.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,903,439 km

• M1: 130,749 km (0.029 R)
• M2: 475,123 km (0.112 R)
• M3: 886,966 km (0.052 R)
• M4: 1,342,042 km (0.079 R)
• M5: 1,892,712 km (0.095 R)
• M6: 2,546,156 km (0.118 R)
• M7: 3,242,085 km (0.096 R)
• M8: 4,060,385 km (0.109 R)
• M9: 5,194,487 km (0.06 R)
• M10: 5,772,683 km (0.08 R)
• M11: 7,706,834 km (0.088 R)
• M12: 8,077,387 km (0.099 R)
• M13: 9,056,057 km (0.114 R)
• M14: 9,751,238 km (0.04 R)
• M15: 11,014,293 km (0.102 R)
• M16: 12,299,787 km (0.116 R)
• M17: 13,065,429 km (0.026 R)
• M18: 13,817,458 km (0.109 R)
• M19: 15,651,528 km (0.101 R)
• M20: 15,997,248 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.3

Radius: 9.4

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.86 AU - 2.92 AU

Year: 3172 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,903,439 km

• M1: 117,434 km (0.044 R)
• M2: 479,910 km (0.103 R)
• M3: 867,817 km (0.095 R)
• M4: 1,394,851 km (0.12 R)
• M5: 2,855,973 km (0.094 R)
• M6: 3,192,419 km (0.12 R)
• M7: 3,612,041 km (0.09 R)
• M8: 4,068,314 km (0.059 R)
• M9: 4,386,210 km (0.088 R)
• M10: 5,048,479 km (0.073 R)
• M11: 5,391,208 km (0.055 R)
• M12: 6,744,620 km (0.115 R)
• M13: 7,222,136 km (0.103 R)
• M14: 8,686,849 km (0.067 R)
• M15: 10,301,459 km (0.12 R)
• M16: 11,977,554 km (0.085 R)
• M17: 16,599,679 km (0.104 R)
• M18: 16,922,960 km (0.113 R)
• M19: 18,776,178 km (0.074 R)
• M20: 19,363,500 km (0.118 R)
• M21: 20,084,412 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.6

Radius: 14.3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.66 AU - 5.52 AU

Year: 7415 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,903,439 km

• M1: 177,872 km (0.108 R)
• M2: 1,179,430 km (0.101 R)
• M3: 1,978,432 km (0.076 R)
• M4: 3,097,723 km (0.061 R)
• M5: 4,138,775 km (0.112 R)
• M6: 5,738,874 km (0.087 R)
• M7: 6,288,047 km (0.067 R)
• M8: 6,766,611 km (0.065 R)
• M9: 7,913,877 km (0.11 R)
• M10: 8,554,904 km (0.11 R)
• M11: 9,058,301 km (0.069 R)
• M12: 9,895,750 km (0.101 R)
• M13: 10,593,025 km (0.09 R)
• M14: 11,573,340 km (0.105 R)
• M15: 12,190,132 km (0.095 R)
• M16: 12,937,373 km (0.108 R)
• M17: 14,057,712 km (0.1 R)
• M18: 15,120,306 km (0.096 R)
• M19: 17,606,024 km (0.066 R)
• M20: 18,353,864 km (0.118 R)
• M21: 20,058,980 km (0.09 R)
• M22: 21,790,127 km (0.117 R)
• M23: 25,894,045 km (0.104 R)
• M24: 27,219,482 km (0.11 R)
• M25: 27,762,074 km (0.119 R)
• M26: 35,275,477 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 20,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit