🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.5 AU - 0.52 AU

Year: 140 Days

Day: 19.7 Hours

Environment

Temp: 209 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.64 AU - 0.82 AU

Year: 240 Days

Day: 31.3 Hours

Environment

Temp: 79 °C

Axial Tilt: 43.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.82 AU - 0.94 AU

Year: 318 Days

Day: 16.5 Hours

Environment

Temp: 32 °C

Axial Tilt: 11.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.23 AU - 1.39 AU

Year: 577 Days

Day: 13.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 47.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.32 AU - 1.52 AU

Year: 651 Days

Day: 46.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.99 AU - 2.93 AU

Year: 1485 Days

Day: 41.8 Hours

Environment

Temp: -92 °C

Axial Tilt: 150.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,127,876 km

• M1: 1,201,869 km (0.03 R)

Asteroid Belt

Center: 6.62 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.1

Radius: 10.5

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.56 AU - 12.98 AU

Year: 13608 Days

Day: 14 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,127,876 km

• M1: 130,599 km (0.091 R)
• M2: 530,624 km (0.07 R)
• M3: 874,848 km (0.119 R)
• M4: 1,878,800 km (0.036 R)
• M5: 2,663,141 km (0.069 R)
• M6: 3,501,338 km (0.082 R)
• M7: 4,477,315 km (0.074 R)
• M8: 5,834,467 km (0.108 R)
• M9: 8,268,723 km (0.098 R)
• M10: 9,936,141 km (0.068 R)
• M11: 10,451,206 km (0.119 R)
• M12: 12,632,194 km (0.082 R)
• M13: 14,635,608 km (0.101 R)
• M14: 16,200,701 km (0.109 R)
• M15: 19,183,384 km (0.109 R)
• M16: 21,562,439 km (0.117 R)
• M17: 23,493,747 km (0.079 R)
• M18: 24,687,688 km (0.117 R)
• M19: 29,870,207 km (0.057 R)
• M20: 34,318,649 km (0.036 R)
• M21: 37,682,956 km (0.106 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: 454 - 15,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit