🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.5

Radius: 9.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.46 AU - 0.72 AU

Year: 302 Days

Day: 6.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,544,499 km

• M1: 123,119 km (0.111 R)
• M2: 623,973 km (0.111 R)
• M3: 1,004,998 km (0.107 R)
• M4: 1,315,264 km (0.115 R)
• M5: 1,740,272 km (0.034 R)
• M6: 2,066,395 km (0.104 R)
• M7: 2,457,444 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.8

Radius: 13

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.74 AU - 0.9 AU

Year: 495 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,544,499 km

• M1: 161,715 km (0.067 R)
• M2: 567,275 km (0.112 R)
• M3: 1,068,428 km (0.098 R)
• M4: 1,689,259 km (0.116 R)
• M5: 2,419,297 km (0.111 R)
• M6: 2,893,073 km (0.076 R)
• M7: 3,621,914 km (0.082 R)
• M8: 4,376,935 km (0.117 R)
• M9: 4,827,673 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.4

Radius: 8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.93 AU - 1.09 AU

Year: 677 Days

Day: 14.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,544,499 km

• M1: 99,782 km (0.062 R)
• M2: 354,547 km (0.047 R)
• M3: 738,714 km (0.11 R)
• M4: 1,288,337 km (0.079 R)
• M5: 1,766,900 km (0.115 R)
• M6: 2,061,010 km (0.1 R)
• M7: 2,387,881 km (0.081 R)
• M8: 2,932,118 km (0.027 R)
• M9: 3,181,199 km (0.087 R)
• M10: 3,827,312 km (0.105 R)
• M11: 4,111,847 km (0.051 R)
• M12: 4,723,553 km (0.045 R)
• M13: 5,003,750 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665

Radius: 9.5

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.6 AU - 1.74 AU

Year: 1439 Days

Day: 9 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,544,499 km

• M1: 119,678 km (0.113 R)
• M2: 473,926 km (0.051 R)
• M3: 826,827 km (0.065 R)
• M4: 1,203,365 km (0.072 R)
• M5: 2,096,016 km (0.042 R)
• M6: 3,107,896 km (0.116 R)
• M7: 4,624,669 km (0.112 R)
• M8: 5,309,677 km (0.101 R)
• M9: 6,881,053 km (0.098 R)
• M10: 7,610,642 km (0.104 R)
• M11: 7,938,710 km (0.103 R)
• M12: 8,362,072 km (0.107 R)
• M13: 10,142,885 km (0.037 R)
• M14: 11,724,883 km (0.066 R)
• M15: 12,650,445 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 8.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.85 AU - 5.69 AU

Year: 6947 Days

Day: 14.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,544,499 km

• M1: 111,750 km (0.117 R)
• M2: 399,576 km (0.045 R)
• M3: 749,336 km (0.12 R)
• M4: 1,664,875 km (0.071 R)
• M5: 2,296,776 km (0.097 R)
• M6: 2,914,167 km (0.062 R)
• M7: 3,765,977 km (0.117 R)
• M8: 4,285,231 km (0.105 R)
• M9: 4,649,203 km (0.102 R)
• M10: 7,662,403 km (0.119 R)
• M11: 9,511,283 km (0.116 R)
• M12: 9,922,378 km (0.107 R)
• M13: 10,517,777 km (0.043 R)
• M14: 14,120,393 km (0.095 R)
• M15: 15,149,178 km (0.113 R)
• M16: 15,484,128 km (0.045 R)
• M17: 16,111,092 km (0.119 R)
• M18: 19,568,748 km (0.11 R)
• M19: 21,191,286 km (0.077 R)
• M20: 21,822,290 km (0.082 R)
• M21: 23,417,452 km (0.11 R)
• M22: 25,322,731 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.1

Radius: 4.4

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.67 AU - 9.21 AU

Year: 17825 Days

Day: 19 Hours

Environment

Temp: -239 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,544,499 km

• M1: 54,902 km (0.063 R)
• M2: 261,048 km (0.111 R)
• M3: 529,128 km (0.114 R)
• M4: 677,978 km (0.054 R)
• M5: 1,146,817 km (0.032 R)
• M6: 1,501,813 km (0.086 R)
• M7: 1,850,526 km (0.068 R)
• M8: 2,499,631 km (0.098 R)
• M9: 3,266,769 km (0.091 R)
• M10: 3,899,717 km (0.096 R)
• M11: 4,050,811 km (0.085 R)
• M12: 4,258,453 km (0.112 R)
• M13: 5,529,436 km (0.076 R)
• M14: 10,576,270 km (0.066 R)
• M15: 11,944,792 km (0.103 R)
• M16: 16,034,199 km (0.12 R)
• M17: 16,227,779 km (0.105 R)
• M18: 16,950,785 km (0.107 R)
• M19: 19,103,798 km (0.091 R)
• M20: 19,248,758 km (0.112 R)
• M21: 24,365,903 km (0.116 R)
• M22: 29,734,073 km (0.087 R)
• M23: 30,418,932 km (0.083 R)
• M24: 30,914,550 km (0.104 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 12,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit