🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.61 AU - 0.75 AU

Year: 250 Days

Day: 12.9 Hours

Environment

Temp: -18 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 18,213,231 km

• M1: 133,890 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.53 AU - 0.85 AU

Year: 256 Days

Day: 36.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 18,213,231 km

• M1: 22,140 km (0.062 R)
• M2: 130,150 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.7 AU - 1.02 AU

Year: 356 Days

Day: 36.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.75 AU - 1.17 AU

Year: 420 Days

Day: 12.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,213,231 km

• M1: 34,258 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.96 AU - 1.22 AU

Year: 508 Days

Day: 19.7 Hours

Environment

Temp: -80 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.63 AU - 2.53 AU

Year: 1339 Days

Day: 46.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.9

Radius: 12.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.83 AU - 3.53 AU

Year: 2530 Days

Day: 9.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 18,213,231 km

• M1: 154,235 km (0.103 R)
• M2: 550,670 km (0.045 R)
• M3: 1,003,802 km (0.103 R)
• M4: 1,570,030 km (0.114 R)
• M5: 1,969,905 km (0.074 R)
• M6: 2,357,812 km (0.098 R)
• M7: 3,158,759 km (0.091 R)
• M8: 3,844,366 km (0.108 R)
• M9: 4,253,217 km (0.037 R)
• M10: 4,669,847 km (0.104 R)
• M11: 5,299,056 km (0.085 R)
• M12: 5,933,351 km (0.051 R)
• M13: 6,374,964 km (0.098 R)
• M14: 8,658,426 km (0.084 R)
• M15: 9,966,360 km (0.11 R)
• M16: 11,283,868 km (0.108 R)
• M17: 11,964,239 km (0.043 R)
• M18: 14,079,404 km (0.077 R)
• M19: 14,633,365 km (0.11 R)
• M20: 15,442,839 km (0.088 R)
• M21: 17,730,040 km (0.054 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 12,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit