🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.49 AU - 0.61 AU

Year: 155 Days

Day: 37.5 Hours

Environment

Temp: 226 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.25 AU - 3.81 AU

Year: 2526 Days

Day: 47.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874

Radius: 15

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.37 AU - 5.99 AU

Year: 4489 Days

Day: 7.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,266,272 km

• M1: 188,643 km (0.1 R)
• M2: 659,876 km (0.089 R)
• M3: 1,197,980 km (0.102 R)
• M4: 1,684,023 km (0.072 R)
• M5: 2,528,653 km (0.096 R)
• M6: 3,135,272 km (0.063 R)
• M7: 7,029,155 km (0.066 R)
• M8: 7,906,846 km (0.048 R)
• M9: 10,009,444 km (0.112 R)
• M10: 11,588,449 km (0.11 R)
• M11: 13,856,054 km (0.045 R)
• M12: 14,673,906 km (0.032 R)
• M13: 15,466,026 km (0.119 R)
• M14: 16,108,250 km (0.098 R)
• M15: 18,989,056 km (0.078 R)
• M16: 23,930,872 km (0.106 R)
• M17: 24,554,396 km (0.034 R)
• M18: 29,315,199 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.4

Radius: 5

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 13.8 AU - 14.88 AU

Year: 20679 Days

Day: 17.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,266,272 km

• M1: 62,233 km (0.036 R)
• M2: 234,569 km (0.09 R)
• M3: 712,086 km (0.081 R)
• M4: 1,182,571 km (0.072 R)
• M5: 2,407,628 km (0.114 R)
• M6: 3,339,623 km (0.047 R)
• M7: 4,241,997 km (0.117 R)
• M8: 5,052,070 km (0.089 R)
• M9: 5,695,939 km (0.1 R)
• M10: 6,076,366 km (0.07 R)
• M11: 7,015,841 km (0.111 R)
• M12: 9,075,953 km (0.102 R)
• M13: 9,542,100 km (0.077 R)
• M14: 11,211,612 km (0.111 R)
• M15: 13,593,360 km (0.1 R)
• M16: 13,794,719 km (0.056 R)
• M17: 17,607,669 km (0.055 R)
• M18: 18,250,491 km (0.104 R)
• M19: 19,159,747 km (0.066 R)
• M20: 21,609,861 km (0.118 R)
• M21: 22,909,867 km (0.062 R)
• M22: 30,886,724 km (0.107 R)
• M23: 33,622,421 km (0.119 R)
• M24: 34,610,664 km (0.099 R)
• M25: 35,238,078 km (0.088 R)
• M26: 47,402,479 km (0.118 R)
• M27: 48,800,920 km (0.075 R)
• M28: 52,994,746 km (0.096 R)
• M29: 53,995,556 km (0.051 R)
• M30: 59,546,684 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 16,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit