🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.51 AU - 0.69 AU

Year: 165 Days

Day: 18 Hours

Environment

Temp: 159 °C

Axial Tilt: 45.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,938,618 km

• M1: 20,944 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.78 AU - 0.88 AU

Year: 268 Days

Day: 20.5 Hours

Environment

Temp: 165 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.23 AU - 1.37 AU

Year: 526 Days

Day: 44.6 Hours

Environment

Temp: -5 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.43 AU - 1.47 AU

Year: 619 Days

Day: 46.9 Hours

Environment

Temp: -0 °C

Axial Tilt: 5.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.63 AU - 2.43 AU

Year: 1026 Days

Day: 22.9 Hours

Environment

Temp: -64 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.6 AU - 2.74 AU

Year: 1548 Days

Day: 36.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.73 AU - 4.53 AU

Year: 2978 Days

Day: 32.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.7

Radius: 9.4

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.57 AU - 8.63 AU

Year: 8947 Days

Day: 10.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,938,618 km

• M1: 117,285 km (0.118 R)
• M2: 1,235,230 km (0.094 R)
• M3: 1,919,640 km (0.088 R)
• M4: 2,356,914 km (0.118 R)
• M5: 2,817,078 km (0.094 R)
• M6: 4,025,679 km (0.054 R)
• M7: 4,868,962 km (0.059 R)
• M8: 5,686,664 km (0.083 R)
• M9: 7,804,521 km (0.108 R)
• M10: 13,035,510 km (0.112 R)
• M11: 14,216,884 km (0.113 R)
• M12: 18,415,498 km (0.101 R)
• M13: 19,581,613 km (0.093 R)
• M14: 19,980,890 km (0.05 R)
• M15: 26,158,983 km (0.107 R)
• M16: 28,032,547 km (0.113 R)
• M17: 30,418,184 km (0.079 R)
• M18: 33,728,934 km (0.119 R)
• M19: 36,544,815 km (0.107 R)
• M20: 46,067,467 km (0.1 R)
• M21: 47,345,183 km (0.105 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 11,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit