🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.79 AU - 0.81 AU

Year: 253 Days

Day: 13.7 Hours

Environment

Temp: 175 °C

Axial Tilt: 43.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 88,858,253 km

• M1: 88,263 km (0.076 R)
• M2: 153,487 km (0.033 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.93 AU - 1.31 AU

Year: 419 Days

Day: 33.9 Hours

Environment

Temp: 35 °C

Axial Tilt: 49.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.91 AU - 1.45 AU

Year: 453 Days

Day: 30.8 Hours

Environment

Temp: 37 °C

Axial Tilt: 98.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 88,858,253 km

• M1: 48,021 km (0.046 R)

Asteroid Belt

Center: 9.06 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 16.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.3

Radius: 4.1

Gravity: 42.91 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 12.88 AU - 20.98 AU

Year: 24597 Days

Day: 19.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,858,253 km

• M1: 51,462 km (0.042 R)
• M2: 344,823 km (0.079 R)
• M3: 838,646 km (0.101 R)
• M4: 1,035,816 km (0.096 R)
• M5: 2,424,832 km (0.028 R)
• M6: 3,071,543 km (0.103 R)
• M7: 3,572,397 km (0.105 R)
• M8: 6,490,603 km (0.119 R)
• M9: 10,057,614 km (0.089 R)
• M10: 12,537,947 km (0.072 R)
• M11: 12,828,317 km (0.115 R)
• M12: 13,123,174 km (0.085 R)
• M13: 13,957,332 km (0.12 R)
• M14: 14,826,346 km (0.067 R)
• M15: 19,137,607 km (0.091 R)
• M16: 21,628,561 km (0.09 R)
• M17: 22,362,937 km (0.114 R)
• M18: 22,897,450 km (0.114 R)
• M19: 29,607,214 km (0.08 R)
• M20: 31,568,292 km (0.067 R)
• M21: 33,753,618 km (0.107 R)
• M22: 38,881,534 km (0.086 R)
• M23: 42,356,992 km (0.068 R)
• M24: 44,002,867 km (0.087 R)
• M25: 44,504,918 km (0.066 R)
• M26: 50,099,280 km (0.101 R)
• M27: 55,557,807 km (0.064 R)
• M28: 61,399,604 km (0.053 R)
• M29: 69,429,868 km (0.103 R)
• M30: 79,360,922 km (0.029 R)
• M31: 80,104,424 km (0.101 R)
• M32: 81,857,412 km (0.027 R)
• M33: 88,858,293 km (0.115 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 18,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit