🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.49 AU - 0.61 AU

Year: 143 Days

Day: 22.7 Hours

Environment

Temp: 200 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.26 AU - 1.96 AU

Year: 715 Days

Day: 27.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.76 AU - 2.28 AU

Year: 1004 Days

Day: 31.3 Hours

Environment

Temp: -45 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,782,479 km

• M1: 36,203 km (0.088 R)

Asteroid Belt

Center: 5.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431

Radius: 8.6

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9 AU - 10.02 AU

Year: 10260 Days

Day: 11.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,782,479 km

• M1: 106,962 km (0.101 R)
• M2: 450,439 km (0.026 R)
• M3: 1,176,886 km (0.078 R)
• M4: 2,183,830 km (0.086 R)
• M5: 2,834,580 km (0.107 R)
• M6: 3,374,479 km (0.106 R)
• M7: 3,981,099 km (0.107 R)
• M8: 4,517,257 km (0.082 R)
• M9: 4,802,840 km (0.093 R)
• M10: 5,131,057 km (0.059 R)
• M11: 6,346,690 km (0.08 R)
• M12: 9,659,834 km (0.116 R)
• M13: 11,186,330 km (0.058 R)
• M14: 13,738,320 km (0.088 R)
• M15: 15,023,067 km (0.064 R)
• M16: 15,533,046 km (0.07 R)
• M17: 16,054,395 km (0.084 R)
• M18: 20,113,284 km (0.092 R)
• M19: 23,338,614 km (0.082 R)
• M20: 25,610,707 km (0.12 R)
• M21: 26,063,988 km (0.03 R)
• M22: 26,430,353 km (0.116 R)
• M23: 32,877,722 km (0.073 R)
• M24: 34,721,965 km (0.095 R)
• M25: 39,692,953 km (0.109 R)
• M26: 40,913,372 km (0.087 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 17,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit