🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.24 AU - 1.32 AU

Year: 526 Days

Day: 31.6 Hours

Environment

Temp: -2 °C

Axial Tilt: 19.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.36 AU - 1.9 AU

Year: 756 Days

Day: 31.6 Hours

Environment

Temp: -34 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.63 AU - 4.25 AU

Year: 2319 Days

Day: 33.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,257,393 km

• M1: 184,903 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.3

Radius: 14

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.03 AU - 6.61 AU

Year: 4460 Days

Day: 8.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,257,393 km

• M1: 174,132 km (0.071 R)
• M2: 750,682 km (0.11 R)
• M3: 1,522,458 km (0.092 R)
• M4: 2,050,837 km (0.097 R)
• M5: 3,179,254 km (0.071 R)
• M6: 3,692,225 km (0.07 R)
• M7: 4,260,547 km (0.106 R)
• M8: 4,811,666 km (0.1 R)
• M9: 5,410,207 km (0.066 R)
• M10: 6,884,494 km (0.084 R)
• M11: 9,379,039 km (0.081 R)
• M12: 10,786,455 km (0.084 R)
• M13: 12,425,749 km (0.046 R)
• M14: 13,607,422 km (0.083 R)
• M15: 14,278,219 km (0.111 R)
• M16: 14,862,848 km (0.086 R)
• M17: 16,193,970 km (0.088 R)
• M18: 17,303,088 km (0.073 R)
• M19: 18,214,139 km (0.094 R)
• M20: 18,902,289 km (0.096 R)
• M21: 19,672,718 km (0.107 R)
• M22: 26,530,285 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.2

Radius: 6.2

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 14.27 AU - 16.31 AU

Year: 21729 Days

Day: 16.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,257,393 km

• M1: 77,193 km (0.069 R)
• M2: 1,923,081 km (0.116 R)
• M3: 3,713,767 km (0.105 R)
• M4: 4,811,965 km (0.062 R)
• M5: 6,146,977 km (0.085 R)
• M6: 7,347,649 km (0.081 R)
• M7: 8,388,850 km (0.109 R)
• M8: 8,741,901 km (0.076 R)
• M9: 9,289,878 km (0.116 R)
• M10: 13,785,743 km (0.118 R)
• M11: 14,339,704 km (0.109 R)
• M12: 21,612,554 km (0.061 R)
• M13: 26,356,602 km (0.074 R)
• M14: 27,209,310 km (0.088 R)
• M15: 32,177,305 km (0.115 R)
• M16: 34,930,504 km (0.09 R)
• M17: 36,422,294 km (0.099 R)
• M18: 37,836,742 km (0.063 R)
• M19: 44,257,333 km (0.099 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 19,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit