🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.3

Radius: 13.3

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.05 AU - 1.11 AU

Year: 775 Days

Day: 10.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,368,457 km

• M1: 165,455 km (0.07 R)
• M2: 682,166 km (0.073 R)
• M3: 1,424,022 km (0.057 R)
• M4: 1,964,968 km (0.111 R)
• M5: 2,393,716 km (0.084 R)
• M6: 2,978,045 km (0.092 R)
• M7: 3,549,808 km (0.084 R)
• M8: 4,329,213 km (0.036 R)
• M9: 4,768,283 km (0.079 R)
• M10: 6,406,230 km (0.091 R)
• M11: 7,084,506 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.9

Radius: 9.5

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.16 AU - 1.78 AU

Year: 1230 Days

Day: 6.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,368,457 km

• M1: 118,182 km (0.072 R)
• M2: 461,061 km (0.113 R)
• M3: 863,778 km (0.062 R)
• M4: 1,173,595 km (0.09 R)
• M5: 1,499,120 km (0.093 R)
• M6: 2,071,033 km (0.026 R)
• M7: 2,372,921 km (0.104 R)
• M8: 2,970,116 km (0.119 R)
• M9: 3,356,527 km (0.069 R)
• M10: 3,680,108 km (0.061 R)
• M11: 4,126,956 km (0.103 R)
• M12: 4,481,055 km (0.082 R)
• M13: 5,861,544 km (0.089 R)
• M14: 6,927,129 km (0.101 R)
• M15: 8,420,864 km (0.109 R)
• M16: 10,438,191 km (0.07 R)
• M17: 11,472,810 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.4

Radius: 12.8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.47 AU - 2.07 AU

Year: 1625 Days

Day: 7.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,368,457 km

• M1: 160,219 km (0.118 R)
• M2: 752,178 km (0.025 R)
• M3: 1,373,009 km (0.103 R)
• M4: 3,481,442 km (0.092 R)
• M5: 4,741,953 km (0.076 R)
• M6: 5,585,087 km (0.11 R)
• M7: 6,839,315 km (0.043 R)
• M8: 8,273,361 km (0.067 R)
• M9: 8,992,777 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.9

Radius: 12.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.19 AU - 3.31 AU

Year: 4044 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,368,457 km

• M1: 162,613 km (0.092 R)
• M2: 628,909 km (0.086 R)
• M3: 1,337,555 km (0.101 R)
• M4: 1,756,578 km (0.093 R)
• M5: 2,539,125 km (0.077 R)
• M6: 3,269,611 km (0.116 R)
• M7: 5,098,295 km (0.115 R)
• M8: 6,204,572 km (0.09 R)
• M9: 6,720,684 km (0.117 R)
• M10: 7,464,635 km (0.091 R)
• M11: 8,084,718 km (0.11 R)
• M12: 11,669,083 km (0.1 R)
• M13: 13,281,748 km (0.099 R)
• M14: 17,357,093 km (0.091 R)
• M15: 19,775,043 km (0.094 R)
• M16: 20,231,766 km (0.069 R)
• M17: 23,628,385 km (0.108 R)
• M18: 24,815,295 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.9

Radius: 3.1

Gravity: 34.02 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.36 AU - 6.18 AU

Year: 9567 Days

Day: 18.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,368,457 km

• M1: 39,344 km (0.08 R)
• M2: 187,297 km (0.1 R)
• M3: 295,755 km (0.098 R)
• M4: 1,019,509 km (0.103 R)
• M5: 1,790,687 km (0.084 R)
• M6: 2,111,724 km (0.039 R)
• M7: 3,197,056 km (0.12 R)
• M8: 3,551,753 km (0.08 R)
• M9: 4,081,479 km (0.109 R)
• M10: 4,234,667 km (0.107 R)
• M11: 5,058,951 km (0.07 R)
• M12: 5,887,275 km (0.099 R)
• M13: 6,116,010 km (0.07 R)
• M14: 6,418,646 km (0.07 R)
• M15: 8,203,947 km (0.092 R)
• M16: 9,878,097 km (0.093 R)
• M17: 13,940,427 km (0.078 R)
• M18: 14,582,052 km (0.102 R)
• M19: 14,820,063 km (0.067 R)
• M20: 17,345,424 km (0.108 R)
• M21: 20,143,054 km (0.074 R)
• M22: 23,715,302 km (0.069 R)
• M23: 26,523,104 km (0.084 R)
• M24: 30,892,708 km (0.088 R)
• M25: 34,232,032 km (0.025 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 16,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit