🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.92 AU - 0.94 AU

Year: 329 Days

Day: 19.3 Hours

Environment

Temp: 91 °C

Axial Tilt: 148.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.65 AU - 3.79 AU

Year: 2634 Days

Day: 40.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,518,050 km

• M1: 127,757 km (0.098 R)
• M2: 1,775,278 km (0.034 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.33 AU - 4.17 AU

Year: 2666 Days

Day: 33.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 11.8

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.43 AU - 6.47 AU

Year: 6013 Days

Day: 8.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,518,050 km

• M1: 146,756 km (0.078 R)
• M2: 778,657 km (0.063 R)
• M3: 1,188,854 km (0.058 R)
• M4: 1,627,326 km (0.089 R)
• M5: 3,618,174 km (0.092 R)
• M6: 4,321,882 km (0.112 R)
• M7: 5,842,096 km (0.105 R)
• M8: 7,206,578 km (0.093 R)
• M9: 8,361,773 km (0.111 R)
• M10: 9,069,221 km (0.08 R)
• M11: 10,698,641 km (0.091 R)
• M12: 12,675,577 km (0.062 R)
• M13: 13,109,561 km (0.08 R)
• M14: 14,295,872 km (0.116 R)
• M15: 15,862,161 km (0.101 R)
• M16: 16,622,418 km (0.106 R)
• M17: 17,274,365 km (0.102 R)
• M18: 18,284,301 km (0.111 R)
• M19: 18,699,135 km (0.051 R)
• M20: 19,261,923 km (0.079 R)
• M21: 21,169,744 km (0.105 R)
• M22: 21,935,985 km (0.07 R)
• M23: 22,325,986 km (0.067 R)
• M24: 22,720,625 km (0.083 R)
• M25: 24,097,375 km (0.092 R)
• M26: 27,016,478 km (0.115 R)
• M27: 27,826,999 km (0.12 R)
• M28: 28,653,827 km (0.113 R)
• M29: 29,876,640 km (0.037 R)
• M30: 33,547,622 km (0.096 R)
• M31: 35,224,315 km (0.082 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 13,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit