🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.41 AU - 0.63 AU

Year: 242 Days

Day: 15.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,398,875 km

• M1: 82,728 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948

Radius: 14

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.63 AU - 0.83 AU

Year: 403 Days

Day: 13.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,398,875 km

• M1: 175,030 km (0.091 R)
• M2: 659,278 km (0.095 R)
• M3: 1,222,813 km (0.085 R)
• M4: 1,714,392 km (0.073 R)
• M5: 2,222,426 km (0.079 R)
• M6: 3,321,671 km (0.032 R)
• M7: 5,003,301 km (0.072 R)
• M8: 5,438,631 km (0.118 R)
• M9: 6,221,027 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.9

Radius: 12.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.44 AU - 1.92 AU

Year: 1406 Days

Day: 6.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 101.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,398,875 km

• M1: 159,322 km (0.103 R)
• M2: 626,665 km (0.095 R)
• M3: 1,389,166 km (0.038 R)
• M4: 2,144,785 km (0.097 R)
• M5: 2,763,073 km (0.114 R)
• M6: 3,296,838 km (0.067 R)
• M7: 4,765,440 km (0.11 R)

Asteroid Belt

Center: 2.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.1

Radius: 10

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.22 AU - 3.36 AU

Year: 3009 Days

Day: 12.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,398,875 km

• M1: 125,064 km (0.106 R)
• M2: 483,650 km (0.094 R)
• M3: 983,756 km (0.091 R)
• M4: 1,473,389 km (0.044 R)
• M5: 2,000,722 km (0.101 R)
• M6: 2,666,283 km (0.082 R)
• M7: 2,981,635 km (0.115 R)
• M8: 3,396,919 km (0.088 R)
• M9: 4,211,778 km (0.088 R)
• M10: 4,549,122 km (0.115 R)
• M11: 5,027,087 km (0.115 R)
• M12: 5,999,623 km (0.085 R)
• M13: 6,545,655 km (0.05 R)
• M14: 7,670,930 km (0.061 R)
• M15: 9,104,377 km (0.1 R)
• M16: 12,677,522 km (0.065 R)
• M17: 13,240,908 km (0.109 R)
• M18: 16,093,739 km (0.088 R)
• M19: 17,953,988 km (0.096 R)
• M20: 19,271,347 km (0.119 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 12,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit