🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.12 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.18 AU - 2.28 AU

Year: 1165 Days

Day: 44.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.86 AU - 5.7 AU

Year: 3656 Days

Day: 36.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.3

Radius: 13.8

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.09 AU - 8.91 AU

Year: 8670 Days

Day: 11.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,785,684 km

• M1: 171,589 km (0.118 R)
• M2: 604,525 km (0.082 R)
• M3: 1,169,257 km (0.094 R)
• M4: 1,997,431 km (0.119 R)
• M5: 2,462,082 km (0.106 R)
• M6: 4,336,543 km (0.044 R)
• M7: 4,885,118 km (0.086 R)
• M8: 5,848,828 km (0.115 R)
• M9: 6,549,544 km (0.12 R)
• M10: 7,119,063 km (0.114 R)
• M11: 9,697,383 km (0.094 R)
• M12: 11,772,904 km (0.046 R)
• M13: 15,083,355 km (0.044 R)
• M14: 15,549,951 km (0.091 R)
• M15: 16,133,233 km (0.108 R)
• M16: 16,951,982 km (0.119 R)
• M17: 17,741,111 km (0.085 R)
• M18: 19,030,495 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.5

Radius: 5.9

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 13.83 AU - 13.89 AU

Year: 18052 Days

Day: 23.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,785,684 km

• M1: 74,201 km (0.113 R)
• M2: 1,161,627 km (0.075 R)
• M3: 1,745,209 km (0.061 R)
• M4: 5,347,825 km (0.119 R)
• M5: 13,622,980 km (0.108 R)
• M6: 14,037,666 km (0.099 R)
• M7: 24,463,141 km (0.099 R)
• M8: 35,868,333 km (0.116 R)

Kuiper Belt

Range: 31.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 16,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit