🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.64 AU - 0.8 AU

Year: 229 Days

Day: 30.6 Hours

Environment

Temp: 114 °C

Axial Tilt: 17 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,171,293 km

• M1: 114,293 km (0.045 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.01 AU - 1.23 AU

Year: 444 Days

Day: 38.6 Hours

Environment

Temp: 6 °C

Axial Tilt: 36.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,171,293 km

• M1: 50,414 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.13 AU - 1.75 AU

Year: 648 Days

Day: 15.3 Hours

Environment

Temp: -51 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,171,293 km

• M1: 102,175 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.9 AU - 2.8 AU

Year: 1350 Days

Day: 13.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.67 AU - 3.73 AU

Year: 2667 Days

Day: 20.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.8

Radius: 3.1

Gravity: 25.16 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 12.98 AU - 15.58 AU

Year: 20222 Days

Day: 20.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,171,293 km

• M1: 39,344 km (0.083 R)
• M2: 157,527 km (0.12 R)
• M3: 260,300 km (0.091 R)
• M4: 979,118 km (0.088 R)
• M5: 1,116,000 km (0.11 R)
• M6: 2,543,164 km (0.064 R)
• M7: 2,802,866 km (0.059 R)
• M8: 3,529,163 km (0.116 R)
• M9: 3,634,630 km (0.094 R)
• M10: 4,135,633 km (0.078 R)
• M11: 4,556,153 km (0.06 R)
• M12: 5,622,935 km (0.08 R)
• M13: 6,100,302 km (0.114 R)
• M14: 7,432,621 km (0.05 R)
• M15: 8,006,777 km (0.106 R)
• M16: 8,327,964 km (0.104 R)
• M17: 10,383,439 km (0.045 R)
• M18: 10,820,564 km (0.097 R)
• M19: 11,556,735 km (0.059 R)
• M20: 15,250,456 km (0.066 R)
• M21: 17,821,594 km (0.057 R)
• M22: 25,925,461 km (0.104 R)
• M23: 30,434,939 km (0.112 R)
• M24: 33,400,268 km (0.093 R)
• M25: 34,831,620 km (0.069 R)
• M26: 46,450,588 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 12,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit