🌌 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: 629.1

Radius: 8.7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.53 AU - 0.79 AU

Year: 370 Days

Day: 6 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,609,966 km

• M1: 108,159 km (0.082 R)
• M2: 472,879 km (0.1 R)
• M3: 888,312 km (0.055 R)
• M4: 1,197,082 km (0.08 R)
• M5: 1,506,002 km (0.055 R)
• M6: 1,801,607 km (0.065 R)
• M7: 2,087,189 km (0.085 R)
• M8: 2,421,092 km (0.09 R)
• M9: 2,830,691 km (0.032 R)
• M10: 3,241,487 km (0.115 R)
• M11: 4,027,474 km (0.107 R)
• M12: 4,590,411 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.9

Radius: 13.6

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.6 AU - 0.74 AU

Year: 379 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,609,966 km

• M1: 169,345 km (0.088 R)
• M2: 660,026 km (0.072 R)
• M3: 1,505,553 km (0.067 R)
• M4: 2,025,705 km (0.097 R)
• M5: 2,636,363 km (0.077 R)
• M6: 3,937,117 km (0.119 R)
• M7: 5,513,430 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.2

Radius: 8.8

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.77 AU - 0.81 AU

Year: 485 Days

Day: 6.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,609,966 km

• M1: 109,655 km (0.106 R)
• M2: 420,669 km (0.111 R)
• M3: 705,055 km (0.088 R)
• M4: 997,818 km (0.044 R)
• M5: 1,282,353 km (0.032 R)
• M6: 1,698,385 km (0.073 R)
• M7: 2,092,725 km (0.071 R)
• M8: 2,630,978 km (0.118 R)
• M9: 2,916,111 km (0.069 R)
• M10: 3,234,306 km (0.113 R)
• M11: 3,628,048 km (0.097 R)
• M12: 4,068,015 km (0.114 R)
• M13: 4,360,778 km (0.048 R)
• M14: 4,636,337 km (0.047 R)
• M15: 4,939,722 km (0.113 R)
• M16: 5,376,697 km (0.103 R)
• M17: 5,875,606 km (0.075 R)
• M18: 6,308,393 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.1

Radius: 12.3

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.74 AU - 0.94 AU

Year: 531 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 14,609,966 km

• M1: 154,086 km (0.106 R)
• M2: 610,659 km (0.091 R)
• M3: 1,051,972 km (0.072 R)
• M4: 1,461,571 km (0.103 R)
• M5: 2,698,746 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 11.5

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.75 AU - 3.65 AU

Year: 3951 Days

Day: 14 Hours

Environment

Temp: -211 °C

Axial Tilt: 149.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,609,966 km

• M1: 181,462 km (0.106 R)
• M2: 798,553 km (0.104 R)
• M3: 1,204,412 km (0.039 R)
• M4: 1,839,904 km (0.088 R)
• M5: 2,514,441 km (0.113 R)
• M6: 3,278,886 km (0.082 R)
• M7: 4,111,697 km (0.045 R)
• M8: 4,503,494 km (0.099 R)
• M9: 5,196,731 km (0.103 R)
• M10: 7,677,961 km (0.094 R)
• M11: 9,849,374 km (0.103 R)
• M12: 10,516,880 km (0.101 R)
• M13: 11,453,363 km (0.1 R)
• M14: 12,444,748 km (0.114 R)
• M15: 12,917,926 km (0.032 R)
• M16: 14,176,493 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.9

Radius: 10

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.27 AU - 3.37 AU

Year: 4176 Days

Day: 6 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,609,966 km

• M1: 124,465 km (0.115 R)
• M2: 512,074 km (0.049 R)
• M3: 870,809 km (0.085 R)
• M4: 1,275,471 km (0.084 R)
• M5: 2,080,757 km (0.07 R)
• M6: 2,719,839 km (0.064 R)
• M7: 3,040,278 km (0.062 R)
• M8: 4,605,370 km (0.075 R)
• M9: 5,128,365 km (0.09 R)
• M10: 6,858,464 km (0.087 R)
• M11: 7,683,197 km (0.088 R)
• M12: 9,106,621 km (0.03 R)
• M13: 9,430,799 km (0.084 R)
• M14: 10,769,850 km (0.05 R)
• M15: 12,388,648 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.5

Radius: 14.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.83 AU - 3.95 AU

Year: 4308 Days

Day: 8.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 120.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,609,966 km

• M1: 207,193 km (0.074 R)
• M2: 893,548 km (0.091 R)
• M3: 1,401,134 km (0.098 R)
• M4: 1,888,374 km (0.119 R)
• M5: 3,788,416 km (0.114 R)
• M6: 4,717,419 km (0.073 R)
• M7: 6,122,891 km (0.102 R)
• M8: 7,513,104 km (0.099 R)
• M9: 11,563,766 km (0.061 R)
• M10: 14,012,384 km (0.109 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: 272 - 17,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit