🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.24 AU - 1.84 AU

Year: 672 Days

Day: 44.3 Hours

Environment

Temp: -16 °C

Axial Tilt: 11.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.32 AU - 2.14 AU

Year: 800 Days

Day: 37.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,227,827 km

• M1: 555,906 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.11 AU - 2.13 AU

Year: 1085 Days

Day: 46.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.53 AU - 4.57 AU

Year: 2865 Days

Day: 42.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 144.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 17.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.4

Radius: 3.5

Gravity: 67.3 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 14.51 AU - 20.67 AU

Year: 25928 Days

Day: 15.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 96,227,827 km

• M1: 43,832 km (0.054 R)
• M2: 259,702 km (0.099 R)
• M3: 909,106 km (0.102 R)
• M4: 1,168,659 km (0.106 R)
• M5: 1,389,914 km (0.075 R)
• M6: 1,915,750 km (0.068 R)
• M7: 2,154,957 km (0.077 R)
• M8: 2,799,425 km (0.057 R)
• M9: 4,132,192 km (0.091 R)
• M10: 5,197,329 km (0.094 R)
• M11: 6,480,580 km (0.047 R)
• M12: 7,427,235 km (0.087 R)
• M13: 7,906,247 km (0.076 R)
• M14: 10,093,518 km (0.09 R)
• M15: 11,994,608 km (0.094 R)
• M16: 19,697,552 km (0.105 R)
• M17: 24,555,144 km (0.118 R)
• M18: 26,094,057 km (0.085 R)
• M19: 26,702,771 km (0.119 R)
• M20: 29,624,717 km (0.064 R)
• M21: 35,794,731 km (0.047 R)
• M22: 36,697,255 km (0.074 R)
• M23: 39,019,762 km (0.12 R)
• M24: 39,815,174 km (0.06 R)
• M25: 39,975,543 km (0.101 R)
• M26: 43,613,614 km (0.067 R)
• M27: 54,841,981 km (0.11 R)
• M28: 57,256,191 km (0.107 R)
• M29: 59,321,390 km (0.099 R)
• M30: 64,922,334 km (0.099 R)
• M31: 66,940,260 km (0.046 R)
• M32: 69,695,404 km (0.046 R)
• M33: 70,630,391 km (0.058 R)
• M34: 73,726,618 km (0.087 R)
• M35: 77,160,787 km (0.064 R)
• M36: 85,141,235 km (0.099 R)
• M37: 88,918,880 km (0.099 R)
• M38: 92,525,236 km (0.095 R)
• M39: 92,806,629 km (0.066 R)
• M40: 94,506,809 km (0.101 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 11,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit