🌌 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: 163.2

Radius: 11.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.63 AU - 0.77 AU

Year: 404 Days

Day: 9.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,569,422 km

• M1: 148,850 km (0.112 R)
• M2: 572,062 km (0.111 R)
• M3: 1,120,488 km (0.077 R)
• M4: 1,539,661 km (0.066 R)
• M5: 1,969,306 km (0.1 R)
• M6: 2,657,457 km (0.062 R)
• M7: 3,076,779 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.9

Radius: 15

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.75 AU - 1.09 AU

Year: 609 Days

Day: 10.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,569,422 km

• M1: 186,549 km (0.09 R)
• M2: 713,731 km (0.095 R)
• M3: 1,384,977 km (0.113 R)
• M4: 1,857,407 km (0.11 R)
• M5: 2,345,695 km (0.106 R)
• M6: 2,888,136 km (0.091 R)
• M7: 3,928,141 km (0.076 R)
• M8: 4,670,745 km (0.113 R)
• M9: 5,238,469 km (0.076 R)
• M10: 6,158,645 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.9

Radius: 8.2

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.06 AU - 1.56 AU

Year: 1035 Days

Day: 11.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,569,422 km

• M1: 102,026 km (0.032 R)
• M2: 502,649 km (0.104 R)
• M3: 938,577 km (0.12 R)
• M4: 1,198,877 km (0.115 R)
• M5: 1,516,025 km (0.071 R)
• M6: 1,935,198 km (0.064 R)
• M7: 2,540,920 km (0.03 R)
• M8: 3,744,584 km (0.076 R)
• M9: 4,077,888 km (0.114 R)
• M10: 4,447,395 km (0.111 R)
• M11: 4,839,042 km (0.113 R)
• M12: 5,309,378 km (0.072 R)
• M13: 6,071,878 km (0.089 R)
• M14: 6,447,369 km (0.091 R)
• M15: 7,314,588 km (0.118 R)
• M16: 8,107,307 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.2

Radius: 13.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.41 AU - 2.79 AU

Year: 2894 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,569,422 km

• M1: 171,738 km (0.083 R)
• M2: 644,916 km (0.106 R)
• M3: 1,462,918 km (0.092 R)
• M4: 2,253,243 km (0.085 R)
• M5: 4,427,947 km (0.101 R)
• M6: 4,934,635 km (0.056 R)
• M7: 5,383,279 km (0.092 R)
• M8: 6,003,213 km (0.042 R)
• M9: 6,670,569 km (0.11 R)
• M10: 8,946,401 km (0.034 R)
• M11: 9,474,482 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.3

Radius: 14.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3 AU - 3.04 AU

Year: 3623 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 179.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,569,422 km

• M1: 181,612 km (0.107 R)
• M2: 806,781 km (0.111 R)
• M3: 1,549,086 km (0.077 R)
• M4: 2,480,333 km (0.066 R)
• M5: 3,229,369 km (0.088 R)
• M6: 3,759,843 km (0.106 R)
• M7: 4,665,808 km (0.108 R)
• M8: 5,276,466 km (0.079 R)
• M9: 5,940,232 km (0.05 R)
• M10: 6,687,025 km (0.119 R)
• M11: 8,999,210 km (0.035 R)
• M12: 10,467,961 km (0.104 R)
• M13: 11,043,614 km (0.071 R)
• M14: 11,599,819 km (0.107 R)
• M15: 12,597,038 km (0.051 R)
• M16: 15,585,555 km (0.063 R)
• M17: 17,008,081 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 13.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.89 AU - 3.75 AU

Year: 4176 Days

Day: 6.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 97.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,569,422 km

• M1: 165,904 km (0.111 R)
• M2: 855,251 km (0.064 R)
• M3: 1,305,840 km (0.118 R)
• M4: 1,738,178 km (0.086 R)
• M5: 2,254,889 km (0.109 R)
• M6: 2,842,509 km (0.083 R)
• M7: 3,284,272 km (0.118 R)
• M8: 4,782,644 km (0.053 R)
• M9: 5,339,896 km (0.097 R)
• M10: 5,966,113 km (0.083 R)
• M11: 6,982,780 km (0.119 R)
• M12: 7,426,637 km (0.108 R)
• M13: 9,044,538 km (0.077 R)
• M14: 9,753,482 km (0.11 R)
• M15: 10,196,591 km (0.097 R)
• M16: 10,925,581 km (0.06 R)
• M17: 12,021,086 km (0.04 R)
• M18: 14,008,045 km (0.103 R)
• M19: 15,055,231 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.5

Radius: 8.4

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.88 AU - 3.84 AU

Year: 4251 Days

Day: 10.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 26,569,422 km

• M1: 104,868 km (0.084 R)
• M2: 426,504 km (0.099 R)
• M3: 691,741 km (0.114 R)
• M4: 1,090,568 km (0.094 R)
• M5: 1,444,966 km (0.093 R)
• M6: 3,031,302 km (0.071 R)
• M7: 4,225,541 km (0.056 R)
• M8: 7,782,380 km (0.056 R)
• M9: 8,135,581 km (0.104 R)
• M10: 8,723,052 km (0.082 R)
• M11: 9,259,959 km (0.115 R)
• M12: 9,656,842 km (0.12 R)
• M13: 11,047,504 km (0.113 R)
• M14: 11,721,891 km (0.061 R)
• M15: 12,092,744 km (0.058 R)
• M16: 13,807,584 km (0.037 R)
• M17: 14,857,163 km (0.118 R)
• M18: 15,902,702 km (0.106 R)
• M19: 16,414,626 km (0.115 R)
• M20: 17,833,861 km (0.114 R)
• M21: 18,698,687 km (0.038 R)
• M22: 19,916,413 km (0.109 R)
• M23: 21,945,858 km (0.108 R)
• M24: 23,082,652 km (0.06 R)
• M25: 24,860,922 km (0.083 R)
• M26: 26,490,043 km (0.096 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 14,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit