🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.44 AU - 0.6 AU

Year: 238 Days

Day: 45.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.5

Radius: 8.9

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.03 AU - 1.41 AU

Year: 857 Days

Day: 9.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,927,110 km

• M1: 121,324 km (0.113 R)
• M2: 606,619 km (0.038 R)
• M3: 1,005,298 km (0.107 R)
• M4: 1,421,329 km (0.115 R)
• M5: 1,705,565 km (0.074 R)
• M6: 2,117,109 km (0.102 R)
• M7: 2,981,785 km (0.099 R)
• M8: 4,423,759 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.2

Radius: 11.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.07 AU - 1.44 AU

Year: 889 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,927,110 km

• M1: 146,756 km (0.095 R)
• M2: 620,682 km (0.093 R)
• M3: 1,290,581 km (0.047 R)
• M4: 2,296,776 km (0.038 R)
• M5: 2,694,706 km (0.118 R)
• M6: 3,067,504 km (0.111 R)
• M7: 3,605,458 km (0.091 R)
• M8: 4,339,535 km (0.119 R)
• M9: 4,710,837 km (0.105 R)
• M10: 6,105,239 km (0.085 R)
• M11: 6,877,313 km (0.109 R)
• M12: 7,276,590 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 11.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.58 AU - 5.34 AU

Year: 5989 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,927,110 km

• M1: 142,567 km (0.054 R)
• M2: 521,797 km (0.053 R)
• M3: 1,736,233 km (0.066 R)
• M4: 2,197,443 km (0.043 R)
• M5: 3,333,639 km (0.079 R)
• M6: 5,436,686 km (0.063 R)
• M7: 6,548,796 km (0.098 R)
• M8: 7,082,562 km (0.098 R)
• M9: 8,407,101 km (0.051 R)
• M10: 8,789,174 km (0.11 R)
• M11: 9,182,766 km (0.034 R)
• M12: 9,852,366 km (0.083 R)
• M13: 11,711,718 km (0.119 R)
• M14: 12,589,110 km (0.105 R)
• M15: 17,589,269 km (0.084 R)
• M16: 18,975,293 km (0.106 R)
• M17: 19,392,970 km (0.061 R)
• M18: 20,808,615 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.2

Radius: 5.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.98 AU - 7.26 AU

Year: 9626 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,927,110 km

• M1: 73,453 km (0.101 R)
• M2: 354,098 km (0.103 R)
• M3: 1,518,867 km (0.088 R)
• M4: 2,611,530 km (0.051 R)
• M5: 4,150,144 km (0.034 R)
• M6: 4,632,148 km (0.115 R)
• M7: 14,821,259 km (0.108 R)
• M8: 16,878,978 km (0.113 R)
• M9: 21,341,183 km (0.058 R)
• M10: 27,760,278 km (0.113 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: 393 - 15,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit