🌌 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: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.45 AU - 0.65 AU

Year: 148 Days

Day: 21.3 Hours

Environment

Temp: 192 °C

Axial Tilt: 22.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,195,920 km

• M1: 37,848 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.61 AU - 0.73 AU

Year: 199 Days

Day: 23.9 Hours

Environment

Temp: 140 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.8 AU - 0.86 AU

Year: 275 Days

Day: 13.5 Hours

Environment

Temp: 133 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.89 AU - 3.83 AU

Year: 2238 Days

Day: 44.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.1

Radius: 6.7

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 14.06 AU - 21.4 AU

Year: 27133 Days

Day: 20 Hours

Environment

Temp: -204 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,195,920 km

• M1: 85,271 km (0.08 R)
• M2: 392,545 km (0.066 R)
• M3: 694,134 km (0.118 R)
• M4: 1,607,878 km (0.043 R)
• M5: 1,835,267 km (0.072 R)
• M6: 2,444,130 km (0.077 R)
• M7: 3,599,026 km (0.091 R)
• M8: 5,457,330 km (0.077 R)
• M9: 5,934,847 km (0.081 R)
• M10: 6,791,893 km (0.111 R)
• M11: 8,279,644 km (0.112 R)
• M12: 9,628,119 km (0.104 R)
• M13: 12,548,868 km (0.12 R)
• M14: 16,495,260 km (0.083 R)
• M15: 20,063,019 km (0.077 R)
• M16: 21,390,401 km (0.102 R)
• M17: 25,395,136 km (0.111 R)
• M18: 27,630,577 km (0.036 R)
• M19: 43,385,626 km (0.046 R)
• M20: 44,640,603 km (0.109 R)
• M21: 45,597,730 km (0.1 R)
• M22: 46,081,380 km (0.117 R)
• M23: 49,562,971 km (0.089 R)
• M24: 50,934,185 km (0.103 R)
• M25: 59,121,228 km (0.089 R)
• M26: 64,837,213 km (0.026 R)
• M27: 70,480,045 km (0.118 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 14,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit