🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.96 AU - 1.36 AU

Year: 378 Days

Day: 37.3 Hours

Environment

Temp: 210 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.13 AU - 4.29 AU

Year: 2611 Days

Day: 32 Hours

Environment

Temp: -66 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.34 AU - 4.38 AU

Year: 2752 Days

Day: 19.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,121,935 km

• M1: 188,045 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.29 AU - 6.93 AU

Year: 4017 Days

Day: 19.7 Hours

Environment

Temp: -107 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.67 AU - 10.83 AU

Year: 8504 Days

Day: 33.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.3

Radius: 11

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.49 AU - 11.65 AU

Year: 8949 Days

Day: 13.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,121,935 km

• M1: 138,079 km (0.114 R)
• M2: 494,271 km (0.117 R)
• M3: 889,359 km (0.089 R)
• M4: 1,876,855 km (0.074 R)
• M5: 2,280,470 km (0.083 R)
• M6: 3,118,667 km (0.099 R)
• M7: 3,666,793 km (0.097 R)
• M8: 5,218,123 km (0.116 R)
• M9: 5,800,358 km (0.112 R)
• M10: 6,156,850 km (0.085 R)
• M11: 6,986,221 km (0.092 R)
• M12: 8,165,650 km (0.095 R)
• M13: 9,606,726 km (0.105 R)
• M14: 11,062,463 km (0.109 R)
• M15: 11,972,467 km (0.079 R)
• M16: 12,986,442 km (0.114 R)
• M17: 14,289,439 km (0.107 R)
• M18: 18,650,367 km (0.068 R)
• M19: 19,574,582 km (0.041 R)
• M20: 21,901,876 km (0.046 R)
• M21: 24,240,540 km (0.071 R)
• M22: 24,829,058 km (0.071 R)
• M23: 25,773,170 km (0.046 R)
• M24: 26,474,784 km (0.086 R)
• M25: 27,550,841 km (0.045 R)
• M26: 29,314,002 km (0.11 R)
• M27: 33,476,264 km (0.056 R)
• M28: 37,011,112 km (0.094 R)

Kuiper Belt

Range: 36.3 - 55.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 11,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit