🌌 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: 304.5

Radius: 9.3

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.83 AU - 1.15 AU

Year: 626 Days

Day: 14.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,584,995 km

• M1: 118,631 km (0.083 R)
• M2: 472,131 km (0.059 R)
• M3: 1,015,770 km (0.108 R)
• M4: 1,940,883 km (0.12 R)
• M5: 2,252,346 km (0.089 R)
• M6: 2,850,587 km (0.114 R)
• M7: 3,383,455 km (0.115 R)
• M8: 4,061,133 km (0.063 R)
• M9: 4,532,516 km (0.119 R)
• M10: 5,436,835 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.4

Radius: 8.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.28 AU - 1.5 AU

Year: 1042 Days

Day: 5.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,584,995 km

• M1: 104,569 km (0.056 R)
• M2: 420,220 km (0.064 R)
• M3: 718,967 km (0.081 R)
• M4: 1,054,815 km (0.115 R)
• M5: 1,392,008 km (0.118 R)
• M6: 2,168,720 km (0.119 R)
• M7: 2,476,742 km (0.058 R)
• M8: 2,744,223 km (0.076 R)
• M9: 3,093,385 km (0.118 R)
• M10: 4,029,867 km (0.12 R)
• M11: 6,430,464 km (0.084 R)
• M12: 8,062,727 km (0.107 R)

Asteroid Belt

Center: 1.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.7

Radius: 12.4

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.03 AU - 2.37 AU

Year: 2075 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,584,995 km

• M1: 154,385 km (0.069 R)
• M2: 632,201 km (0.088 R)
• M3: 1,033,272 km (0.067 R)
• M4: 1,489,546 km (0.115 R)
• M5: 1,891,515 km (0.114 R)
• M6: 2,391,023 km (0.111 R)
• M7: 2,950,070 km (0.106 R)
• M8: 3,774,953 km (0.096 R)
• M9: 4,689,744 km (0.12 R)
• M10: 5,107,271 km (0.114 R)
• M11: 6,040,463 km (0.105 R)
• M12: 6,633,469 km (0.114 R)
• M13: 7,239,041 km (0.047 R)
• M14: 8,131,542 km (0.06 R)
• M15: 9,653,401 km (0.12 R)
• M16: 12,675,577 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 10.6

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.99 AU - 2.49 AU

Year: 2132 Days

Day: 12.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,584,995 km

• M1: 131,796 km (0.118 R)
• M2: 575,353 km (0.09 R)
• M3: 932,593 km (0.098 R)
• M4: 1,628,672 km (0.065 R)
• M5: 2,804,362 km (0.079 R)
• M6: 3,752,962 km (0.094 R)
• M7: 4,495,865 km (0.096 R)
• M8: 5,643,879 km (0.117 R)
• M9: 6,538,175 km (0.118 R)
• M10: 7,204,334 km (0.115 R)
• M11: 8,007,076 km (0.087 R)
• M12: 8,934,434 km (0.097 R)
• M13: 9,270,430 km (0.109 R)
• M14: 10,699,689 km (0.069 R)
• M15: 11,271,751 km (0.03 R)
• M16: 11,783,974 km (0.058 R)
• M17: 12,311,755 km (0.093 R)
• M18: 13,945,214 km (0.085 R)
• M19: 15,669,928 km (0.085 R)
• M20: 16,862,223 km (0.084 R)
• M21: 17,376,391 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 19,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit