🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.69 AU - 1.11 AU

Year: 329 Days

Day: 41.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 49,428,287 km

• M1: 71,807 km (0.033 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.28 AU - 1.94 AU

Year: 787 Days

Day: 21.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,428,287 km

• M1: 320,289 km (0.12 R)
• M2: 1,340,696 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.72 AU - 1.8 AU

Year: 899 Days

Day: 25.7 Hours

Environment

Temp: -75 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,428,287 km

• M1: 639,531 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.12 AU - 3.32 AU

Year: 1727 Days

Day: 42.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.85 AU - 3.31 AU

Year: 2081 Days

Day: 20.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,428,287 km

• M1: 178,620 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.6

Radius: 3.6

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 13.62 AU - 15.3 AU

Year: 21170 Days

Day: 24 Hours

Environment

Temp: -198 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,428,287 km

• M1: 44,730 km (0.097 R)
• M2: 250,876 km (0.065 R)
• M3: 1,060,649 km (0.093 R)
• M4: 3,042,222 km (0.08 R)
• M5: 4,574,852 km (0.099 R)
• M6: 6,034,329 km (0.093 R)
• M7: 6,988,465 km (0.114 R)
• M8: 9,433,043 km (0.045 R)
• M9: 12,629,651 km (0.097 R)
• M10: 15,300,122 km (0.111 R)
• M11: 26,386,521 km (0.104 R)
• M12: 37,136,175 km (0.119 R)
• M13: 39,383,584 km (0.117 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 13,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit