🌌 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: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.91 AU - 1.45 AU

Year: 468 Days

Day: 30.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 3.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.23 AU - 3.71 AU

Year: 1869 Days

Day: 13 Hours

Environment

Temp: -100 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.6

Radius: 9.7

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.14 AU - 10.18 AU

Year: 9308 Days

Day: 8.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,625,296 km

• M1: 121,922 km (0.097 R)
• M2: 1,149,959 km (0.095 R)
• M3: 1,831,976 km (0.05 R)
• M4: 2,547,801 km (0.051 R)
• M5: 3,829,855 km (0.051 R)
• M6: 6,530,097 km (0.11 R)
• M7: 10,853,625 km (0.069 R)
• M8: 12,925,705 km (0.058 R)
• M9: 15,837,179 km (0.097 R)
• M10: 16,989,980 km (0.103 R)
• M11: 22,835,217 km (0.049 R)
• M12: 24,481,841 km (0.066 R)
• M13: 25,017,850 km (0.077 R)
• M14: 27,527,504 km (0.114 R)
• M15: 28,892,734 km (0.069 R)
• M16: 30,405,019 km (0.115 R)
• M17: 31,969,215 km (0.096 R)
• M18: 35,598,459 km (0.118 R)
• M19: 36,983,586 km (0.106 R)
• M20: 40,354,624 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.7

Radius: 14.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.2 AU - 10.7 AU

Year: 9780 Days

Day: 13.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 144.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,625,296 km

• M1: 176,525 km (0.061 R)
• M2: 625,319 km (0.075 R)
• M3: 1,088,474 km (0.107 R)
• M4: 2,218,387 km (0.084 R)
• M5: 2,814,086 km (0.097 R)
• M6: 3,895,828 km (0.051 R)
• M7: 4,417,176 km (0.08 R)
• M8: 4,923,266 km (0.048 R)
• M9: 6,124,387 km (0.06 R)
• M10: 6,641,248 km (0.115 R)
• M11: 8,459,161 km (0.07 R)
• M12: 9,975,934 km (0.06 R)
• M13: 11,173,465 km (0.093 R)
• M14: 13,237,766 km (0.098 R)
• M15: 15,612,931 km (0.116 R)
• M16: 17,009,128 km (0.082 R)
• M17: 21,110,354 km (0.114 R)
• M18: 25,075,445 km (0.102 R)
• M19: 27,381,347 km (0.096 R)
• M20: 28,892,286 km (0.105 R)
• M21: 35,613,568 km (0.11 R)
• M22: 36,565,908 km (0.063 R)
• M23: 39,146,621 km (0.09 R)
• M24: 41,978,210 km (0.083 R)
• M25: 44,257,782 km (0.099 R)
• M26: 45,776,051 km (0.116 R)
• M27: 46,336,744 km (0.116 R)
• M28: 48,190,560 km (0.096 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 13,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit