🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.95 AU - 1.15 AU

Year: 414 Days

Day: 19.1 Hours

Environment

Temp: 0 °C

Axial Tilt: 137.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.04 AU - 1.08 AU

Year: 420 Days

Day: 41.2 Hours

Environment

Temp: -12 °C

Axial Tilt: 36 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 29,504,067 km

• M1: 435,479 km (0.036 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.22 AU - 1.42 AU

Year: 584 Days

Day: 13.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,504,067 km

• M1: 159,771 km (0.075 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.04 AU - 3.98 AU

Year: 2532 Days

Day: 23.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.9

Radius: 10.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.68 AU - 6.98 AU

Year: 6132 Days

Day: 10.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 71.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,504,067 km

• M1: 134,488 km (0.104 R)
• M2: 482,453 km (0.094 R)
• M3: 858,093 km (0.052 R)
• M4: 1,481,917 km (0.099 R)
• M5: 2,056,522 km (0.102 R)
• M6: 2,757,388 km (0.11 R)
• M7: 3,341,867 km (0.079 R)
• M8: 4,335,795 km (0.081 R)
• M9: 4,967,547 km (0.099 R)
• M10: 5,544,845 km (0.11 R)
• M11: 6,541,765 km (0.074 R)
• M12: 6,899,454 km (0.093 R)
• M13: 7,236,049 km (0.107 R)
• M14: 7,618,870 km (0.099 R)
• M15: 8,539,645 km (0.094 R)
• M16: 9,491,835 km (0.083 R)
• M17: 10,601,702 km (0.051 R)
• M18: 11,419,404 km (0.077 R)
• M19: 12,624,116 km (0.086 R)
• M20: 13,805,490 km (0.116 R)
• M21: 15,115,369 km (0.115 R)
• M22: 15,569,847 km (0.054 R)
• M23: 16,092,093 km (0.1 R)
• M24: 16,988,334 km (0.064 R)
• M25: 18,555,671 km (0.084 R)
• M26: 22,633,260 km (0.054 R)
• M27: 26,281,504 km (0.087 R)
• M28: 27,188,815 km (0.071 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 15,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit