🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.5 AU - 0.82 AU

Year: 188 Days

Day: 43.5 Hours

Environment

Temp: 151 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.18 AU - 1.28 AU

Year: 477 Days

Day: 46.4 Hours

Environment

Temp: 25 °C

Axial Tilt: 16.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 59,792,856 km

• M1: 467,194 km (0.032 R)
• M2: 983,157 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.53 AU - 2.27 AU

Year: 916 Days

Day: 37.3 Hours

Environment

Temp: -45 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,792,856 km

• M1: 45,478 km (0.087 R)

Asteroid Belt

Center: 7.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 12.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.9

Radius: 14.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 10.28 AU - 15.54 AU

Year: 16228 Days

Day: 14.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,792,856 km

• M1: 175,329 km (0.11 R)
• M2: 688,898 km (0.095 R)
• M3: 1,163,871 km (0.09 R)
• M4: 1,690,306 km (0.064 R)
• M5: 3,739,049 km (0.119 R)
• M6: 4,623,921 km (0.112 R)
• M7: 5,288,584 km (0.103 R)
• M8: 6,208,312 km (0.115 R)
• M9: 7,318,926 km (0.071 R)
• M10: 9,773,079 km (0.113 R)
• M11: 11,747,322 km (0.101 R)
• M12: 13,246,891 km (0.102 R)
• M13: 13,774,074 km (0.12 R)
• M14: 15,082,457 km (0.034 R)
• M15: 16,322,175 km (0.076 R)
• M16: 17,005,388 km (0.116 R)
• M17: 17,707,601 km (0.101 R)
• M18: 20,976,763 km (0.11 R)
• M19: 21,967,101 km (0.053 R)
• M20: 26,865,982 km (0.106 R)
• M21: 30,929,061 km (0.113 R)
• M22: 34,018,107 km (0.09 R)
• M23: 34,759,065 km (0.101 R)
• M24: 39,433,700 km (0.089 R)
• M25: 42,773,023 km (0.048 R)
• M26: 50,327,566 km (0.084 R)
• M27: 50,967,695 km (0.084 R)
• M28: 51,775,673 km (0.079 R)
• M29: 52,264,559 km (0.101 R)
• M30: 57,497,942 km (0.079 R)
• M31: 59,257,961 km (0.05 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 19,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit