🌌 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: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.61 AU - 0.65 AU

Year: 225 Days

Day: 29.8 Hours

Environment

Temp: -11 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.65 AU - 0.67 AU

Year: 241 Days

Day: 22.6 Hours

Environment

Temp: -15 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.58 AU - 0.94 AU

Year: 298 Days

Day: 27.9 Hours

Environment

Temp: -34 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.72 AU - 2.06 AU

Year: 1168 Days

Day: 16.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,741,972 km

• M1: 452,534 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.15 AU - 2.41 AU

Year: 1548 Days

Day: 12.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 13.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.5

Radius: 6.5

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 10.11 AU - 16.09 AU

Year: 21317 Days

Day: 24.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,741,972 km

• M1: 80,783 km (0.067 R)
• M2: 422,016 km (0.109 R)
• M3: 1,099,544 km (0.094 R)
• M4: 1,347,877 km (0.118 R)
• M5: 1,782,608 km (0.094 R)
• M6: 3,437,909 km (0.096 R)
• M7: 4,155,081 km (0.116 R)
• M8: 7,121,307 km (0.099 R)
• M9: 9,505,000 km (0.047 R)
• M10: 12,501,894 km (0.043 R)
• M11: 13,763,004 km (0.057 R)
• M12: 14,248,300 km (0.113 R)
• M13: 15,474,404 km (0.117 R)
• M14: 15,697,753 km (0.074 R)
• M15: 20,097,876 km (0.099 R)
• M16: 22,010,335 km (0.037 R)
• M17: 27,153,360 km (0.045 R)
• M18: 31,587,590 km (0.099 R)
• M19: 35,827,493 km (0.084 R)
• M20: 40,572,887 km (0.106 R)
• M21: 42,582,735 km (0.115 R)
• M22: 42,875,199 km (0.042 R)
• M23: 44,808,901 km (0.075 R)
• M24: 45,720,550 km (0.087 R)
• M25: 46,955,480 km (0.091 R)
• M26: 48,689,469 km (0.095 R)
• M27: 57,111,082 km (0.088 R)
• M28: 57,645,146 km (0.111 R)
• M29: 58,182,651 km (0.07 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 16,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit