🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.94 AU - 1 AU

Year: 354 Days

Day: 39.2 Hours

Environment

Temp: 28 °C

Axial Tilt: 18.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.1

Radius: 12.3

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.78 AU - 5.86 AU

Year: 3924 Days

Day: 5 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,263,283 km

• M1: 153,487 km (0.086 R)
• M2: 558,299 km (0.108 R)
• M3: 1,051,673 km (0.113 R)
• M4: 1,487,601 km (0.101 R)
• M5: 2,922,843 km (0.078 R)
• M6: 3,553,398 km (0.037 R)
• M7: 5,580,898 km (0.04 R)
• M8: 6,581,858 km (0.077 R)
• M9: 7,054,138 km (0.093 R)
• M10: 9,764,702 km (0.105 R)
• M11: 10,566,397 km (0.098 R)
• M12: 11,215,352 km (0.086 R)
• M13: 11,850,395 km (0.111 R)
• M14: 14,820,661 km (0.067 R)
• M15: 15,879,365 km (0.068 R)
• M16: 17,666,761 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.6

Radius: 10

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.05 AU - 8.45 AU

Year: 8001 Days

Day: 6.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,263,283 km

• M1: 126,709 km (0.111 R)
• M2: 626,217 km (0.064 R)
• M3: 1,638,097 km (0.05 R)
• M4: 2,175,003 km (0.084 R)
• M5: 3,147,090 km (0.114 R)
• M6: 4,909,353 km (0.091 R)
• M7: 5,233,382 km (0.109 R)
• M8: 8,399,322 km (0.114 R)
• M9: 11,736,851 km (0.085 R)
• M10: 12,234,563 km (0.096 R)
• M11: 14,792,985 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.2

Radius: 5.3

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 17.47 AU - 18.47 AU

Year: 28251 Days

Day: 23.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,263,283 km

• M1: 65,973 km (0.085 R)
• M2: 335,847 km (0.081 R)
• M3: 526,734 km (0.069 R)
• M4: 965,953 km (0.026 R)
• M5: 1,819,409 km (0.118 R)
• M6: 2,205,671 km (0.084 R)
• M7: 2,557,076 km (0.058 R)
• M8: 2,993,154 km (0.103 R)
• M9: 3,190,923 km (0.079 R)
• M10: 3,895,080 km (0.064 R)
• M11: 6,218,933 km (0.117 R)
• M12: 14,935,103 km (0.109 R)
• M13: 15,587,799 km (0.096 R)
• M14: 16,259,344 km (0.085 R)
• M15: 18,637,202 km (0.05 R)
• M16: 19,908,784 km (0.115 R)
• M17: 22,717,933 km (0.079 R)
• M18: 25,268,876 km (0.101 R)
• M19: 32,348,445 km (0.049 R)
• M20: 53,367,844 km (0.088 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 11,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit