🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.58 AU - 0.74 AU

Year: 192 Days

Day: 43.5 Hours

Environment

Temp: 174 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.75 AU - 0.83 AU

Year: 251 Days

Day: 45.1 Hours

Environment

Temp: 116 °C

Axial Tilt: 10.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 42,148,058 km

• M1: 29,920 km (0.089 R)
• M2: 145,858 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.52 AU - 2.7 AU

Year: 1510 Days

Day: 46.5 Hours

Environment

Temp: -89 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.8

Radius: 9.9

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.18 AU - 9.04 AU

Year: 7519 Days

Day: 13.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,148,058 km

• M1: 124,017 km (0.08 R)
• M2: 454,329 km (0.078 R)
• M3: 819,946 km (0.072 R)
• M4: 1,552,527 km (0.102 R)
• M5: 2,200,435 km (0.106 R)
• M6: 3,040,726 km (0.052 R)
• M7: 4,294,207 km (0.096 R)
• M8: 4,887,961 km (0.116 R)
• M9: 6,169,566 km (0.106 R)
• M10: 6,594,573 km (0.078 R)
• M11: 7,743,186 km (0.047 R)
• M12: 8,579,737 km (0.11 R)
• M13: 11,295,387 km (0.085 R)
• M14: 12,819,341 km (0.116 R)
• M15: 13,630,760 km (0.067 R)
• M16: 13,988,747 km (0.093 R)
• M17: 15,678,455 km (0.077 R)
• M18: 16,404,454 km (0.118 R)
• M19: 21,000,848 km (0.119 R)
• M20: 21,801,646 km (0.075 R)
• M21: 26,574,566 km (0.029 R)
• M22: 27,322,256 km (0.107 R)
• M23: 27,701,337 km (0.12 R)
• M24: 31,376,059 km (0.116 R)
• M25: 34,474,381 km (0.073 R)
• M26: 37,420,411 km (0.073 R)
• M27: 38,835,158 km (0.096 R)
• M28: 41,271,659 km (0.08 R)
• M29: 41,771,017 km (0.108 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 12,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit