🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.73 AU - 1.03 AU

Year: 297 Days

Day: 18.2 Hours

Environment

Temp: 162 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.6 AU - 1.84 AU

Year: 812 Days

Day: 24.3 Hours

Environment

Temp: -55 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.54 AU - 3.96 AU

Year: 2109 Days

Day: 24.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 13.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.79 AU - 9.59 AU

Year: 7675 Days

Day: 10.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 20,744,655 km

• M1: 164,109 km (0.115 R)
• M2: 641,924 km (0.088 R)
• M3: 1,067,082 km (0.05 R)
• M4: 1,580,053 km (0.04 R)
• M5: 2,606,892 km (0.102 R)
• M6: 3,234,156 km (0.115 R)
• M7: 4,198,614 km (0.105 R)
• M8: 7,229,616 km (0.069 R)
• M9: 8,086,363 km (0.088 R)
• M10: 9,009,831 km (0.115 R)
• M11: 10,601,403 km (0.12 R)
• M12: 11,871,638 km (0.066 R)
• M13: 14,586,391 km (0.057 R)
• M14: 20,331,398 km (0.063 R)
• M15: 21,375,591 km (0.107 R)
• M16: 21,786,686 km (0.068 R)
• M17: 23,921,896 km (0.104 R)
• M18: 31,583,551 km (0.098 R)
• M19: 32,548,607 km (0.096 R)
• M20: 34,425,013 km (0.101 R)
• M21: 36,023,466 km (0.08 R)
• M22: 36,489,165 km (0.053 R)
• M23: 37,076,935 km (0.096 R)
• M24: 38,878,243 km (0.088 R)
• M25: 39,368,325 km (0.082 R)
• M26: 41,116,077 km (0.045 R)
• M27: 42,009,027 km (0.116 R)
• M28: 43,438,435 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.2

Radius: 8

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 9.38 AU - 11.78 AU

Year: 12385 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,744,655 km

• M1: 99,782 km (0.057 R)
• M2: 449,990 km (0.101 R)
• M3: 744,698 km (0.071 R)
• M4: 1,324,091 km (0.1 R)
• M5: 2,528,354 km (0.076 R)
• M6: 2,919,402 km (0.108 R)
• M7: 3,459,900 km (0.053 R)
• M8: 3,902,709 km (0.089 R)
• M9: 6,590,983 km (0.104 R)
• M10: 10,239,825 km (0.082 R)
• M11: 10,869,183 km (0.098 R)
• M12: 12,248,774 km (0.114 R)
• M13: 12,912,989 km (0.118 R)
• M14: 13,835,559 km (0.119 R)
• M15: 18,536,822 km (0.045 R)
• M16: 19,352,579 km (0.113 R)

Kuiper Belt

Range: 30.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 18,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit