🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.61 AU - 0.79 AU

Year: 219 Days

Day: 15.1 Hours

Environment

Temp: 153 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1 AU - 1.08 AU

Year: 397 Days

Day: 33 Hours

Environment

Temp: 28 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.17 AU - 1.31 AU

Year: 517 Days

Day: 43.9 Hours

Environment

Temp: -6 °C

Axial Tilt: 120.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.34 AU - 2.02 AU

Year: 816 Days

Day: 33.2 Hours

Environment

Temp: -53 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,782,983 km

• M1: 485,744 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.56 AU - 1.94 AU

Year: 868 Days

Day: 18.8 Hours

Environment

Temp: -69 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.45 AU - 2.69 AU

Year: 1544 Days

Day: 36.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.2

Radius: 10.8

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.65 AU - 7.73 AU

Year: 6484 Days

Day: 6.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,782,983 km

• M1: 135,386 km (0.104 R)
• M2: 756,367 km (0.107 R)
• M3: 1,123,779 km (0.112 R)
• M4: 1,746,406 km (0.101 R)
• M5: 2,161,240 km (0.1 R)
• M6: 2,753,648 km (0.071 R)
• M7: 3,843,020 km (0.078 R)
• M8: 5,082,139 km (0.099 R)
• M9: 7,699,503 km (0.111 R)
• M10: 9,429,752 km (0.111 R)
• M11: 10,432,956 km (0.095 R)
• M12: 12,121,467 km (0.089 R)
• M13: 15,349,340 km (0.115 R)
• M14: 16,477,607 km (0.056 R)
• M15: 17,794,966 km (0.118 R)
• M16: 18,548,790 km (0.087 R)
• M17: 22,880,396 km (0.04 R)
• M18: 25,710,040 km (0.101 R)
• M19: 26,496,476 km (0.053 R)
• M20: 27,479,483 km (0.056 R)
• M21: 28,672,227 km (0.041 R)
• M22: 29,612,899 km (0.1 R)
• M23: 30,283,546 km (0.116 R)
• M24: 33,998,061 km (0.107 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 11,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit