🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.57 AU - 0.71 AU

Year: 183 Days

Day: 41.7 Hours

Environment

Temp: 175 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.99 AU - 0.99 AU

Year: 353 Days

Day: 25.9 Hours

Environment

Temp: 131 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.98 AU - 1.02 AU

Year: 358 Days

Day: 19.9 Hours

Environment

Temp: 95 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 71,678,354 km

• M1: 155,283 km (0.099 R)
• M2: 515,664 km (0.049 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.07 AU - 1.27 AU

Year: 453 Days

Day: 19.3 Hours

Environment

Temp: 20 °C

Axial Tilt: 12.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.97 AU - 1.43 AU

Year: 471 Days

Day: 43.4 Hours

Environment

Temp: 22 °C

Axial Tilt: 0.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Ice Giant

Semi-Major Axis: 15.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474

Radius: 3.3

Gravity: 43.53 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 12.84 AU - 18.28 AU

Year: 21983 Days

Day: 21.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,678,354 km

• M1: 42,635 km (0.096 R)
• M2: 221,255 km (0.116 R)
• M3: 351,256 km (0.104 R)
• M4: 532,419 km (0.09 R)
• M5: 695,032 km (0.089 R)
• M6: 1,056,311 km (0.116 R)
• M7: 1,664,725 km (0.099 R)
• M8: 3,138,863 km (0.047 R)
• M9: 3,971,973 km (0.084 R)
• M10: 4,906,511 km (0.094 R)
• M11: 5,657,642 km (0.038 R)
• M12: 7,197,453 km (0.063 R)
• M13: 7,670,182 km (0.055 R)
• M14: 7,963,543 km (0.109 R)
• M15: 9,769,190 km (0.087 R)
• M16: 9,883,183 km (0.08 R)
• M17: 10,766,708 km (0.061 R)
• M18: 11,321,268 km (0.101 R)
• M19: 14,828,739 km (0.066 R)
• M20: 16,704,547 km (0.06 R)
• M21: 18,210,848 km (0.087 R)
• M22: 18,383,634 km (0.111 R)
• M23: 18,644,831 km (0.037 R)
• M24: 20,171,926 km (0.095 R)
• M25: 21,203,254 km (0.091 R)
• M26: 22,566,091 km (0.045 R)
• M27: 26,226,302 km (0.118 R)
• M28: 28,023,870 km (0.111 R)
• M29: 28,485,679 km (0.079 R)
• M30: 33,645,908 km (0.05 R)
• M31: 33,906,058 km (0.096 R)
• M32: 41,002,383 km (0.117 R)
• M33: 42,047,474 km (0.065 R)
• M34: 55,099,738 km (0.098 R)
• M35: 55,280,303 km (0.073 R)
• M36: 65,624,846 km (0.079 R)
• M37: 70,822,175 km (0.087 R)

Kuiper Belt

Range: 30.6 - 57.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 11,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit