🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.74 AU - 0.84 AU

Year: 247 Days

Day: 27.8 Hours

Environment

Temp: 114 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,735,225 km

• M1: 208,091 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.53 AU - 2.65 AU

Year: 1465 Days

Day: 42.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,735,225 km

• M1: 194,926 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.7 AU - 3.74 AU

Year: 2031 Days

Day: 38.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 18.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.7

Radius: 6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 14.62 AU - 23 AU

Year: 28672 Days

Day: 15.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,735,225 km

• M1: 147,504 km (0.096 R)
• M2: 361,129 km (0.052 R)
• M3: 607,517 km (0.116 R)
• M4: 877,691 km (0.114 R)
• M5: 1,109,268 km (0.109 R)
• M6: 1,487,003 km (0.08 R)
• M7: 1,731,895 km (0.086 R)
• M8: 2,003,564 km (0.098 R)
• M9: 2,564,556 km (0.097 R)
• M10: 3,992,917 km (0.053 R)
• M11: 5,271,380 km (0.108 R)
• M12: 11,128,286 km (0.068 R)
• M13: 13,195,879 km (0.096 R)
• M14: 13,680,127 km (0.088 R)
• M15: 18,073,517 km (0.101 R)
• M16: 24,236,052 km (0.11 R)
• M17: 26,348,075 km (0.112 R)
• M18: 40,770,057 km (0.119 R)
• M19: 42,092,203 km (0.117 R)
• M20: 63,517,760 km (0.075 R)

Kuiper Belt

Range: 31.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 18,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit