🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.6 AU - 0.86 AU

Year: 263 Days

Day: 31.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 77.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 32,576,791 km

• M1: 22,440 km (0.095 R)
• M2: 126,859 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.2 AU - 1.9 AU

Year: 814 Days

Day: 43.8 Hours

Environment

Temp: -98 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,576,791 km

• M1: 114,442 km (0.08 R)

Asteroid Belt

Center: 2.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.3

Radius: 11.3

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.59 AU - 3.81 AU

Year: 2414 Days

Day: 13.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,576,791 km

• M1: 141,220 km (0.086 R)
• M2: 649,255 km (0.104 R)
• M3: 1,240,615 km (0.045 R)
• M4: 2,054,128 km (0.081 R)
• M5: 2,670,472 km (0.102 R)
• M6: 3,158,909 km (0.101 R)
• M7: 3,922,755 km (0.066 R)
• M8: 4,898,582 km (0.068 R)
• M9: 5,331,668 km (0.107 R)
• M10: 6,056,171 km (0.066 R)
• M11: 6,757,485 km (0.117 R)
• M12: 7,512,207 km (0.06 R)
• M13: 8,423,108 km (0.077 R)
• M14: 9,011,327 km (0.091 R)
• M15: 10,269,744 km (0.043 R)
• M16: 11,103,453 km (0.084 R)
• M17: 12,024,677 km (0.037 R)
• M18: 13,132,599 km (0.083 R)
• M19: 15,550,848 km (0.067 R)
• M20: 16,278,044 km (0.069 R)
• M21: 17,136,586 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.4

Radius: 14.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.45 AU - 10.23 AU

Year: 10158 Days

Day: 8.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,576,791 km

• M1: 175,478 km (0.094 R)
• M2: 2,408,526 km (0.041 R)
• M3: 3,267,816 km (0.064 R)
• M4: 4,863,876 km (0.054 R)
• M5: 7,174,115 km (0.107 R)
• M6: 10,635,511 km (0.097 R)
• M7: 13,954,340 km (0.079 R)
• M8: 17,845,081 km (0.11 R)
• M9: 18,635,257 km (0.072 R)
• M10: 20,144,251 km (0.112 R)
• M11: 21,000,848 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 12,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit