🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.17 AU - 3.23 AU

Year: 1680 Days

Day: 26.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 10.5

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.14 AU - 5.64 AU

Year: 4739 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,796,073 km

• M1: 131,197 km (0.111 R)
• M2: 1,515,576 km (0.064 R)
• M3: 2,294,682 km (0.111 R)
• M4: 3,340,072 km (0.041 R)
• M5: 4,362,723 km (0.114 R)
• M6: 5,103,980 km (0.043 R)
• M7: 5,846,285 km (0.091 R)
• M8: 10,477,386 km (0.119 R)
• M9: 12,020,787 km (0.056 R)
• M10: 13,332,461 km (0.094 R)
• M11: 21,158,524 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451

Radius: 14.6

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.48 AU - 7.3 AU

Year: 5414 Days

Day: 6.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,796,073 km

• M1: 182,061 km (0.068 R)
• M2: 741,407 km (0.11 R)
• M3: 1,392,008 km (0.051 R)
• M4: 2,324,003 km (0.066 R)
• M5: 2,807,952 km (0.096 R)
• M6: 4,514,714 km (0.117 R)
• M7: 4,988,341 km (0.079 R)
• M8: 5,662,579 km (0.051 R)
• M9: 6,645,137 km (0.057 R)
• M10: 7,949,930 km (0.107 R)
• M11: 9,620,340 km (0.1 R)
• M12: 10,409,917 km (0.057 R)
• M13: 11,197,550 km (0.103 R)
• M14: 12,404,955 km (0.074 R)
• M15: 13,442,266 km (0.114 R)
• M16: 15,859,319 km (0.077 R)
• M17: 19,450,566 km (0.057 R)
• M18: 19,976,103 km (0.098 R)
• M19: 21,470,286 km (0.115 R)
• M20: 23,774,991 km (0.05 R)
• M21: 24,987,332 km (0.117 R)
• M22: 26,640,538 km (0.101 R)
• M23: 27,207,365 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.7

Radius: 11.2

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.56 AU - 11.44 AU

Year: 13818 Days

Day: 7.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,796,073 km

• M1: 141,819 km (0.099 R)
• M2: 517,010 km (0.067 R)
• M3: 1,400,236 km (0.108 R)
• M4: 2,231,103 km (0.119 R)
• M5: 2,601,956 km (0.112 R)
• M6: 3,496,551 km (0.107 R)
• M7: 3,913,480 km (0.113 R)
• M8: 4,553,161 km (0.088 R)
• M9: 6,520,672 km (0.088 R)
• M10: 9,414,792 km (0.06 R)
• M11: 10,563,854 km (0.092 R)
• M12: 11,560,624 km (0.074 R)
• M13: 12,427,694 km (0.094 R)
• M14: 13,271,126 km (0.042 R)
• M15: 14,785,057 km (0.087 R)
• M16: 15,436,406 km (0.083 R)
• M17: 16,410,886 km (0.074 R)
• M18: 16,952,431 km (0.103 R)
• M19: 18,899,896 km (0.093 R)
• M20: 21,082,678 km (0.1 R)
• M21: 26,151,952 km (0.033 R)
• M22: 26,891,115 km (0.114 R)
• M23: 29,079,881 km (0.097 R)
• M24: 32,219,492 km (0.119 R)
• M25: 32,581,818 km (0.088 R)
• M26: 33,314,548 km (0.098 R)
• M27: 33,933,435 km (0.069 R)
• M28: 34,686,211 km (0.111 R)
• M29: 37,143,805 km (0.065 R)
• M30: 40,973,660 km (0.084 R)
• M31: 42,258,556 km (0.113 R)
• M32: 45,512,310 km (0.071 R)
• M33: 50,051,558 km (0.099 R)
• M34: 58,034,848 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 17,306 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit