🌌 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: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.61 AU - 0.69 AU

Year: 193 Days

Day: 18 Hours

Environment

Temp: 185 °C

Axial Tilt: 16.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.9 AU - 2.4 AU

Year: 1163 Days

Day: 38.3 Hours

Environment

Temp: -71 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.67 AU - 2.79 AU

Year: 1229 Days

Day: 39.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.51 AU - 3.65 AU

Year: 1994 Days

Day: 20.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.47 AU - 3.87 AU

Year: 2082 Days

Day: 47.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.4

Radius: 4

Gravity: 58.53 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 16.37 AU - 17.69 AU

Year: 25930 Days

Day: 19.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 100,405,273 km

• M1: 49,816 km (0.047 R)
• M2: 313,557 km (0.105 R)
• M3: 525,537 km (0.11 R)
• M4: 992,432 km (0.038 R)
• M5: 2,348,537 km (0.097 R)
• M6: 3,186,435 km (0.082 R)
• M7: 3,689,083 km (0.104 R)
• M8: 4,315,749 km (0.105 R)
• M9: 6,569,291 km (0.084 R)
• M10: 7,973,118 km (0.092 R)
• M11: 8,140,518 km (0.096 R)
• M12: 9,255,770 km (0.062 R)
• M13: 9,628,119 km (0.104 R)
• M14: 9,817,959 km (0.069 R)
• M15: 10,010,342 km (0.065 R)
• M16: 11,640,958 km (0.118 R)
• M17: 16,837,689 km (0.085 R)
• M18: 22,494,134 km (0.088 R)
• M19: 25,263,041 km (0.101 R)
• M20: 30,776,770 km (0.11 R)
• M21: 30,913,802 km (0.116 R)
• M22: 32,305,959 km (0.073 R)
• M23: 37,351,447 km (0.117 R)
• M24: 42,218,165 km (0.065 R)
• M25: 42,726,797 km (0.061 R)
• M26: 57,431,670 km (0.089 R)
• M27: 59,318,697 km (0.106 R)
• M28: 59,530,827 km (0.057 R)
• M29: 79,734,319 km (0.098 R)
• M30: 81,032,080 km (0.061 R)
• M31: 83,936,672 km (0.071 R)
• M32: 84,472,083 km (0.11 R)
• M33: 87,183,545 km (0.044 R)
• M34: 97,720,022 km (0.029 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 10,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit