🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.49 AU - 0.69 AU

Year: 166 Days

Day: 14.3 Hours

Environment

Temp: 234 °C

Axial Tilt: 1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,130,471 km

• M1: 193,580 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.56 AU - 0.72 AU

Year: 187 Days

Day: 23.8 Hours

Environment

Temp: 207 °C

Axial Tilt: 159.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,130,471 km

• M1: 135,536 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.71 AU - 0.87 AU

Year: 256 Days

Day: 27.8 Hours

Environment

Temp: 97 °C

Axial Tilt: 4.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.06 AU - 1.08 AU

Year: 404 Days

Day: 35.5 Hours

Environment

Temp: 17 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 39,130,471 km

• M1: 841,488 km (0.046 R)

Asteroid Belt

Center: 4.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 11.6

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.22 AU - 10.28 AU

Year: 8655 Days

Day: 14 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,130,471 km

• M1: 154,535 km (0.101 R)
• M2: 565,031 km (0.119 R)
• M3: 1,155,344 km (0.028 R)
• M4: 3,137,067 km (0.109 R)
• M5: 4,509,927 km (0.117 R)
• M6: 4,959,319 km (0.087 R)
• M7: 6,114,215 km (0.08 R)
• M8: 7,213,310 km (0.117 R)
• M9: 7,750,965 km (0.118 R)
• M10: 9,346,127 km (0.07 R)
• M11: 11,403,696 km (0.103 R)
• M12: 12,565,772 km (0.117 R)
• M13: 13,119,434 km (0.1 R)
• M14: 14,939,591 km (0.062 R)
• M15: 16,723,546 km (0.027 R)
• M16: 18,362,091 km (0.042 R)
• M17: 21,171,539 km (0.105 R)
• M18: 22,355,607 km (0.098 R)
• M19: 23,086,841 km (0.101 R)
• M20: 24,769,069 km (0.119 R)
• M21: 26,621,839 km (0.052 R)
• M22: 28,565,265 km (0.112 R)
• M23: 30,700,774 km (0.067 R)
• M24: 32,319,274 km (0.11 R)
• M25: 36,278,980 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 15,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit