🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.61 AU - 0.65 AU

Year: 228 Days

Day: 15.1 Hours

Environment

Temp: -12 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.48 AU - 0.8 AU

Year: 234 Days

Day: 34 Hours

Environment

Temp: -36 °C

Axial Tilt: 148.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,533,772 km

• M1: 370,105 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.64 AU - 0.9 AU

Year: 308 Days

Day: 43.1 Hours

Environment

Temp: -40 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,533,772 km

• M1: 107,112 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.74 AU - 1 AU

Year: 370 Days

Day: 16.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 41.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,533,772 km

• M1: 75,397 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.02 AU - 1.06 AU

Year: 484 Days

Day: 32.9 Hours

Environment

Temp: -77 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 12.8

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.46 AU - 2.5 AU

Year: 1783 Days

Day: 5.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 16,533,772 km

• M1: 159,172 km (0.066 R)
• M2: 610,210 km (0.092 R)
• M3: 1,115,701 km (0.03 R)
• M4: 1,582,745 km (0.11 R)
• M5: 2,853,879 km (0.077 R)
• M6: 3,354,134 km (0.098 R)
• M7: 3,821,328 km (0.067 R)
• M8: 4,292,711 km (0.029 R)
• M9: 4,866,868 km (0.115 R)
• M10: 6,220,130 km (0.054 R)
• M11: 6,740,880 km (0.097 R)
• M12: 7,605,705 km (0.09 R)
• M13: 8,171,335 km (0.066 R)
• M14: 8,796,953 km (0.096 R)
• M15: 9,555,863 km (0.066 R)
• M16: 10,038,765 km (0.107 R)
• M17: 11,128,885 km (0.093 R)
• M18: 13,543,843 km (0.037 R)
• M19: 14,421,235 km (0.111 R)
• M20: 14,828,291 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 14,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit