🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.78 AU - 1.18 AU

Year: 349 Days

Day: 16 Hours

Environment

Temp: 129 °C

Axial Tilt: 26.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,929,882 km

• M1: 37,549 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.15 AU - 1.69 AU

Year: 609 Days

Day: 43.2 Hours

Environment

Temp: -20 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.42 AU - 1.7 AU

Year: 701 Days

Day: 29.3 Hours

Environment

Temp: -26 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.57 AU - 3.61 AU

Year: 1955 Days

Day: 25.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,929,882 km

• M1: 103,671 km (0.072 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.97 AU - 4.01 AU

Year: 2868 Days

Day: 45.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.06 AU - 5.16 AU

Year: 3562 Days

Day: 15.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,929,882 km

• M1: 3,720,499 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.2

Radius: 11

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.97 AU - 7.29 AU

Year: 6144 Days

Day: 9.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,929,882 km

• M1: 137,181 km (0.091 R)
• M2: 501,153 km (0.12 R)
• M3: 1,034,768 km (0.086 R)
• M4: 1,518,269 km (0.081 R)
• M5: 2,509,504 km (0.117 R)
• M6: 3,031,451 km (0.107 R)
• M7: 4,268,177 km (0.096 R)
• M8: 4,700,814 km (0.048 R)
• M9: 6,110,624 km (0.08 R)
• M10: 7,511,758 km (0.106 R)
• M11: 8,855,745 km (0.116 R)
• M12: 9,929,559 km (0.101 R)
• M13: 10,643,589 km (0.118 R)
• M14: 11,752,110 km (0.086 R)
• M15: 12,880,676 km (0.075 R)
• M16: 14,257,275 km (0.11 R)
• M17: 16,633,937 km (0.119 R)
• M18: 19,118,458 km (0.107 R)
• M19: 20,073,491 km (0.052 R)
• M20: 21,059,939 km (0.114 R)
• M21: 23,376,911 km (0.115 R)
• M22: 25,594,101 km (0.093 R)
• M23: 28,135,171 km (0.12 R)
• M24: 31,541,963 km (0.111 R)
• M25: 32,152,472 km (0.087 R)
• M26: 32,874,581 km (0.054 R)
• M27: 37,210,226 km (0.111 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 16,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit