🌌 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: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.62 AU - 0.66 AU

Year: 183 Days

Day: 28.7 Hours

Environment

Temp: 184 °C

Axial Tilt: 25 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,485,049 km

• M1: 156,330 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.81 AU - 1.33 AU

Year: 395 Days

Day: 33.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.96 AU - 1.52 AU

Year: 492 Days

Day: 35.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 7.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.11 AU - 1.65 AU

Year: 578 Days

Day: 14.3 Hours

Environment

Temp: -13 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.58 AU - 2.08 AU

Year: 882 Days

Day: 26.2 Hours

Environment

Temp: -59 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.7

Radius: 3.9

Gravity: 61.45 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 12.88 AU - 14.38 AU

Year: 17937 Days

Day: 21.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,485,049 km

• M1: 62,981 km (0.065 R)
• M2: 400,922 km (0.114 R)
• M3: 595,100 km (0.112 R)
• M4: 795,861 km (0.12 R)
• M5: 3,023,822 km (0.109 R)
• M6: 3,158,609 km (0.075 R)
• M7: 5,068,376 km (0.108 R)
• M8: 5,220,517 km (0.087 R)
• M9: 5,494,131 km (0.086 R)
• M10: 7,195,957 km (0.067 R)
• M11: 8,454,673 km (0.094 R)
• M12: 9,052,317 km (0.116 R)
• M13: 11,725,930 km (0.119 R)
• M14: 16,239,746 km (0.046 R)
• M15: 16,990,728 km (0.032 R)
• M16: 19,568,149 km (0.104 R)
• M17: 22,804,251 km (0.109 R)
• M18: 23,851,137 km (0.088 R)
• M19: 28,240,637 km (0.047 R)
• M20: 28,960,353 km (0.059 R)
• M21: 29,569,366 km (0.072 R)
• M22: 32,091,286 km (0.08 R)
• M23: 33,404,307 km (0.094 R)
• M24: 35,717,988 km (0.056 R)
• M25: 50,287,474 km (0.096 R)
• M26: 53,137,164 km (0.11 R)
• M27: 59,351,010 km (0.099 R)
• M28: 64,162,527 km (0.103 R)
• M29: 64,574,818 km (0.109 R)
• M30: 65,196,697 km (0.109 R)
• M31: 65,822,465 km (0.063 R)
• M32: 69,011,293 km (0.091 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 18,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit