🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.04 AU - 1.3 AU

Year: 443 Days

Day: 20.9 Hours

Environment

Temp: 24 °C

Axial Tilt: 47.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.67 AU - 4.63 AU

Year: 2958 Days

Day: 32.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 28.8 °

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: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.99 AU - 4.73 AU

Year: 3185 Days

Day: 46.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.1

Radius: 8.7

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.92 AU - 9.2 AU

Year: 8762 Days

Day: 9.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,980,425 km

• M1: 133,292 km (0.079 R)
• M2: 481,855 km (0.047 R)
• M3: 1,650,364 km (0.034 R)
• M4: 2,962,935 km (0.116 R)
• M5: 3,576,137 km (0.091 R)
• M6: 3,993,814 km (0.107 R)
• M7: 4,958,870 km (0.088 R)
• M8: 5,345,880 km (0.115 R)
• M9: 6,706,173 km (0.037 R)
• M10: 7,180,099 km (0.103 R)
• M11: 8,239,252 km (0.071 R)
• M12: 9,447,854 km (0.118 R)
• M13: 11,310,796 km (0.111 R)
• M14: 12,562,780 km (0.057 R)
• M15: 14,158,840 km (0.106 R)
• M16: 14,741,374 km (0.085 R)
• M17: 16,943,305 km (0.093 R)
• M18: 20,561,629 km (0.103 R)
• M19: 23,749,410 km (0.112 R)
• M20: 29,074,945 km (0.116 R)
• M21: 29,700,114 km (0.096 R)
• M22: 31,629,478 km (0.113 R)
• M23: 33,526,977 km (0.099 R)
• M24: 34,329,869 km (0.096 R)
• M25: 40,442,139 km (0.03 R)
• M26: 42,408,304 km (0.086 R)
• M27: 43,617,952 km (0.054 R)
• M28: 44,712,560 km (0.097 R)
• M29: 45,127,694 km (0.109 R)
• M30: 47,099,094 km (0.066 R)
• M31: 47,672,653 km (0.097 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 16,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit