🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.07 AU - 1.39 AU

Year: 479 Days

Day: 44.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 18.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 38,806,980 km

• M1: 503,546 km (0.028 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.59 AU - 4.05 AU

Year: 2126 Days

Day: 44.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.74 AU - 5.04 AU

Year: 3233 Days

Day: 19.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.19 AU - 5.25 AU

Year: 4192 Days

Day: 16.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.3

Radius: 8.5

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.17 AU - 8.51 AU

Year: 8465 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,806,980 km

• M1: 105,766 km (0.082 R)
• M2: 401,521 km (0.081 R)
• M3: 901,776 km (0.095 R)
• M4: 1,236,426 km (0.084 R)
• M5: 1,653,804 km (0.102 R)
• M6: 2,582,658 km (0.079 R)
• M7: 3,055,686 km (0.053 R)
• M8: 8,507,033 km (0.117 R)
• M9: 11,181,693 km (0.091 R)
• M10: 11,797,886 km (0.112 R)
• M11: 13,609,068 km (0.065 R)
• M12: 14,430,809 km (0.102 R)
• M13: 15,223,079 km (0.103 R)
• M14: 16,173,026 km (0.107 R)
• M15: 16,498,252 km (0.063 R)
• M16: 19,042,463 km (0.088 R)
• M17: 20,069,751 km (0.045 R)
• M18: 20,521,238 km (0.054 R)
• M19: 22,475,434 km (0.042 R)
• M20: 25,240,751 km (0.07 R)
• M21: 25,766,737 km (0.104 R)
• M22: 26,210,744 km (0.105 R)
• M23: 26,659,837 km (0.078 R)
• M24: 27,296,974 km (0.11 R)
• M25: 34,668,110 km (0.062 R)
• M26: 35,427,319 km (0.068 R)
• M27: 36,754,551 km (0.087 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 13,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit