🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.59 AU - 0.65 AU

Year: 185 Days

Day: 13.5 Hours

Environment

Temp: 141 °C

Axial Tilt: 14.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,867,141 km

• M1: 165,605 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.58 AU - 0.82 AU

Year: 222 Days

Day: 40.4 Hours

Environment

Temp: 179 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.61 AU - 1.01 AU

Year: 276 Days

Day: 29.6 Hours

Environment

Temp: 125 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.25 AU - 3.29 AU

Year: 1746 Days

Day: 19.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,867,141 km

• M1: 54,154 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.17 AU - 3.39 AU

Year: 1756 Days

Day: 47.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.8

Radius: 5.7

Gravity: 19.08 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 13.18 AU - 15.84 AU

Year: 20934 Days

Day: 18.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,867,141 km

• M1: 72,256 km (0.059 R)
• M2: 484,099 km (0.044 R)
• M3: 793,018 km (0.095 R)
• M4: 1,171,950 km (0.085 R)
• M5: 4,004,286 km (0.091 R)
• M6: 4,197,267 km (0.095 R)
• M7: 5,333,164 km (0.081 R)
• M8: 7,642,656 km (0.109 R)
• M9: 10,007,499 km (0.118 R)
• M10: 10,851,830 km (0.112 R)
• M11: 14,181,878 km (0.117 R)
• M12: 15,637,914 km (0.093 R)
• M13: 15,876,523 km (0.105 R)
• M14: 17,444,907 km (0.093 R)
• M15: 23,175,253 km (0.044 R)
• M16: 23,903,645 km (0.067 R)
• M17: 24,647,296 km (0.105 R)
• M18: 25,736,219 km (0.076 R)
• M19: 26,517,270 km (0.095 R)
• M20: 32,432,669 km (0.081 R)
• M21: 35,901,993 km (0.087 R)
• M22: 36,178,599 km (0.081 R)
• M23: 36,596,426 km (0.089 R)
• M24: 37,868,756 km (0.052 R)
• M25: 40,203,081 km (0.116 R)
• M26: 52,253,938 km (0.031 R)
• M27: 54,775,709 km (0.118 R)
• M28: 54,958,817 km (0.071 R)
• M29: 56,252,390 km (0.031 R)
• M30: 60,254,881 km (0.113 R)
• M31: 60,645,630 km (0.072 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 19,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit