🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.42 AU - 2.34 AU

Year: 961 Days

Day: 23.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.2 AU - 3.24 AU

Year: 1672 Days

Day: 45.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.16 AU - 4.1 AU

Year: 2578 Days

Day: 37.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252

Radius: 12.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.97 AU - 10.41 AU

Year: 11245 Days

Day: 14.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,260,573 km

• M1: 159,172 km (0.105 R)
• M2: 743,950 km (0.094 R)
• M3: 1,704,219 km (0.102 R)
• M4: 2,670,771 km (0.051 R)
• M5: 4,726,395 km (0.105 R)
• M6: 6,211,603 km (0.111 R)
• M7: 7,638,766 km (0.097 R)
• M8: 8,635,687 km (0.062 R)
• M9: 10,742,473 km (0.099 R)
• M10: 21,610,908 km (0.066 R)
• M11: 24,426,640 km (0.119 R)
• M12: 27,569,242 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.7

Radius: 3.6

Gravity: 24.82 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 12.34 AU - 13.28 AU

Year: 17091 Days

Day: 18.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,260,573 km

• M1: 44,879 km (0.1 R)
• M2: 427,401 km (0.101 R)
• M3: 709,244 km (0.083 R)
• M4: 2,081,505 km (0.078 R)
• M5: 2,527,606 km (0.089 R)
• M6: 3,875,782 km (0.116 R)
• M7: 4,101,076 km (0.113 R)
• M8: 4,547,027 km (0.12 R)
• M9: 5,464,661 km (0.112 R)
• M10: 6,343,997 km (0.094 R)
• M11: 7,356,026 km (0.095 R)
• M12: 8,802,339 km (0.059 R)
• M13: 10,753,394 km (0.044 R)
• M14: 11,085,651 km (0.084 R)
• M15: 15,344,104 km (0.1 R)
• M16: 16,851,452 km (0.068 R)
• M17: 18,850,828 km (0.113 R)
• M18: 22,049,230 km (0.108 R)
• M19: 22,585,090 km (0.095 R)
• M20: 24,529,413 km (0.11 R)
• M21: 25,201,407 km (0.098 R)
• M22: 26,682,875 km (0.114 R)
• M23: 29,926,306 km (0.113 R)
• M24: 31,137,600 km (0.067 R)
• M25: 35,695,249 km (0.095 R)
• M26: 39,358,601 km (0.094 R)
• M27: 39,489,200 km (0.118 R)
• M28: 44,669,475 km (0.086 R)
• M29: 49,368,345 km (0.069 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 10,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit