🌌 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: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.55 AU - 0.55 AU

Year: 145 Days

Day: 36.6 Hours

Environment

Temp: 234 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.56 AU - 0.84 AU

Year: 209 Days

Day: 34.5 Hours

Environment

Temp: 173 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1 AU - 1.1 AU

Year: 384 Days

Day: 41.2 Hours

Environment

Temp: 30 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 25,389,743 km

• M1: 35,155 km (0.066 R)
• M2: 315,951 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.1 AU - 1.38 AU

Year: 492 Days

Day: 31 Hours

Environment

Temp: 16 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 25,389,743 km

• M1: 453,132 km (0.051 R)
• M2: 1,187,508 km (0.081 R)

Asteroid Belt

Center: 3.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.7

Radius: 10.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.96 AU - 6.14 AU

Year: 4661 Days

Day: 7.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,389,743 km

• M1: 136,882 km (0.107 R)
• M2: 621,729 km (0.118 R)
• M3: 1,043,146 km (0.038 R)
• M4: 1,456,634 km (0.078 R)
• M5: 1,876,107 km (0.057 R)
• M6: 2,301,563 km (0.083 R)
• M7: 3,016,641 km (0.087 R)
• M8: 4,201,157 km (0.104 R)
• M9: 6,183,478 km (0.115 R)
• M10: 6,601,904 km (0.073 R)
• M11: 7,429,030 km (0.046 R)
• M12: 8,288,320 km (0.054 R)
• M13: 9,212,536 km (0.099 R)
• M14: 9,561,698 km (0.085 R)
• M15: 10,245,210 km (0.034 R)
• M16: 11,265,318 km (0.098 R)
• M17: 12,073,895 km (0.096 R)
• M18: 12,872,747 km (0.078 R)
• M19: 14,997,187 km (0.068 R)
• M20: 15,481,136 km (0.071 R)
• M21: 15,864,705 km (0.084 R)
• M22: 18,730,551 km (0.093 R)
• M23: 20,058,232 km (0.103 R)
• M24: 20,977,661 km (0.098 R)
• M25: 24,788,517 km (0.118 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 12,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit