🌌 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: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.59 AU - 0.59 AU

Year: 167 Days

Day: 26 Hours

Environment

Temp: 159 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.82 AU - 1.1 AU

Year: 347 Days

Day: 18.4 Hours

Environment

Temp: 39 °C

Axial Tilt: 27.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.86 AU - 2.82 AU

Year: 1321 Days

Day: 27.2 Hours

Environment

Temp: -84 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.98 AU - 3.62 AU

Year: 2212 Days

Day: 31.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.46 AU - 3.84 AU

Year: 2573 Days

Day: 38.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.08 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.3

Radius: 9

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.66 AU - 10.34 AU

Year: 9143 Days

Day: 9.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,348,347 km

• M1: 112,049 km (0.117 R)
• M2: 477,068 km (0.114 R)
• M3: 793,916 km (0.082 R)
• M4: 1,652,308 km (0.063 R)
• M5: 2,038,121 km (0.094 R)
• M6: 2,591,185 km (0.075 R)
• M7: 3,198,702 km (0.111 R)
• M8: 3,502,834 km (0.119 R)
• M9: 3,898,221 km (0.117 R)
• M10: 4,890,504 km (0.088 R)
• M11: 6,140,693 km (0.107 R)
• M12: 7,516,395 km (0.093 R)
• M13: 7,939,009 km (0.099 R)
• M14: 8,664,709 km (0.106 R)
• M15: 9,700,375 km (0.109 R)
• M16: 11,758,991 km (0.083 R)
• M17: 13,580,794 km (0.117 R)
• M18: 14,441,580 km (0.093 R)
• M19: 15,216,497 km (0.101 R)
• M20: 16,144,752 km (0.079 R)
• M21: 16,655,030 km (0.076 R)
• M22: 24,470,771 km (0.082 R)
• M23: 26,440,376 km (0.091 R)
• M24: 26,793,278 km (0.088 R)
• M25: 29,541,989 km (0.102 R)
• M26: 31,082,099 km (0.112 R)
• M27: 35,378,700 km (0.029 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: 190 - 16,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit