🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.76 AU - 1.22 AU

Year: 365 Days

Day: 14 Hours

Environment

Temp: 16 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.19 AU - 1.79 AU

Year: 675 Days

Day: 45.6 Hours

Environment

Temp: -51 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.26 AU - 2.08 AU

Year: 800 Days

Day: 17.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.05 AU - 2.07 AU

Year: 1096 Days

Day: 13.2 Hours

Environment

Temp: -83 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 13.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.1

Radius: 5.5

Gravity: 32.4 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 13.14 AU - 13.84 AU

Year: 18375 Days

Day: 22.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,029,209 km

• M1: 68,366 km (0.095 R)
• M2: 330,910 km (0.066 R)
• M3: 677,978 km (0.068 R)
• M4: 1,458,729 km (0.09 R)
• M5: 1,903,334 km (0.116 R)
• M6: 2,977,895 km (0.088 R)
• M7: 4,169,293 km (0.115 R)
• M8: 4,870,907 km (0.1 R)
• M9: 5,288,883 km (0.072 R)
• M10: 5,854,961 km (0.036 R)
• M11: 9,593,412 km (0.028 R)
• M12: 13,030,423 km (0.103 R)
• M13: 14,059,058 km (0.089 R)
• M14: 16,611,647 km (0.107 R)
• M15: 16,950,935 km (0.026 R)
• M16: 19,645,043 km (0.1 R)
• M17: 20,602,918 km (0.059 R)
• M18: 22,923,630 km (0.115 R)
• M19: 23,984,877 km (0.078 R)
• M20: 25,078,437 km (0.079 R)
• M21: 27,364,592 km (0.051 R)
• M22: 27,719,139 km (0.078 R)
• M23: 30,286,837 km (0.107 R)
• M24: 34,087,371 km (0.119 R)
• M25: 34,497,718 km (0.075 R)
• M26: 35,328,435 km (0.115 R)
• M27: 43,253,831 km (0.062 R)
• M28: 46,528,229 km (0.109 R)
• M29: 47,202,467 km (0.054 R)
• M30: 64,770,492 km (0.073 R)
• M31: 64,979,930 km (0.114 R)
• M32: 69,701,538 km (0.099 R)
• M33: 72,145,967 km (0.096 R)
• M34: 73,959,093 km (0.103 R)
• M35: 77,440,385 km (0.102 R)
• M36: 77,676,301 km (0.092 R)
• M37: 78,386,741 km (0.051 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 11,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit