🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.44 AU - 0.68 AU

Year: 147 Days

Day: 20.6 Hours

Environment

Temp: 235 °C

Axial Tilt: 107.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 56,863,556 km

• M1: 34,707 km (0.117 R)
• M2: 341,831 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.37 AU - 1.85 AU

Year: 718 Days

Day: 34.5 Hours

Environment

Temp: -39 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.84 AU - 1.96 AU

Year: 920 Days

Day: 18.6 Hours

Environment

Temp: -37 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.59 AU - 2.87 AU

Year: 1585 Days

Day: 36.4 Hours

Environment

Temp: -81 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 13.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.3

Radius: 5.2

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 12.41 AU - 14.59 AU

Year: 17433 Days

Day: 17.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,863,556 km

• M1: 65,673 km (0.064 R)
• M2: 485,894 km (0.093 R)
• M3: 941,569 km (0.085 R)
• M4: 1,195,137 km (0.076 R)
• M5: 1,393,355 km (0.095 R)
• M6: 2,376,811 km (0.055 R)
• M7: 3,356,827 km (0.119 R)
• M8: 3,565,216 km (0.115 R)
• M9: 5,275,120 km (0.102 R)
• M10: 6,624,942 km (0.104 R)
• M11: 7,868,100 km (0.109 R)
• M12: 8,236,709 km (0.067 R)
• M13: 8,616,837 km (0.046 R)
• M14: 9,880,042 km (0.067 R)
• M15: 11,849,049 km (0.108 R)
• M16: 12,210,926 km (0.099 R)
• M17: 15,663,047 km (0.069 R)
• M18: 16,995,216 km (0.06 R)
• M19: 23,645,290 km (0.065 R)
• M20: 25,393,790 km (0.114 R)
• M21: 27,962,535 km (0.084 R)
• M22: 32,659,010 km (0.104 R)
• M23: 35,069,481 km (0.091 R)
• M24: 37,338,133 km (0.115 R)
• M25: 50,159,867 km (0.065 R)
• M26: 51,105,924 km (0.055 R)
• M27: 51,583,440 km (0.065 R)
• M28: 52,224,766 km (0.046 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 12,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit