🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.48 AU - 0.6 AU

Year: 181 Days

Day: 40 Hours

Environment

Temp: 14 °C

Axial Tilt: 22.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.53 AU - 0.63 AU

Year: 202 Days

Day: 39.6 Hours

Environment

Temp: -6 °C

Axial Tilt: 25.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.6 AU - 0.78 AU

Year: 262 Days

Day: 28.3 Hours

Environment

Temp: -35 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.58 AU - 0.82 AU

Year: 267 Days

Day: 32.3 Hours

Environment

Temp: -31 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.7

Radius: 10.1

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.19 AU - 3.71 AU

Year: 2926 Days

Day: 5.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,566,504 km

• M1: 125,662 km (0.112 R)
• M2: 469,289 km (0.106 R)
• M3: 1,022,950 km (0.053 R)
• M4: 1,573,620 km (0.115 R)
• M5: 1,942,828 km (0.102 R)
• M6: 2,341,356 km (0.069 R)
• M7: 2,667,928 km (0.08 R)
• M8: 5,048,928 km (0.099 R)
• M9: 5,755,928 km (0.108 R)
• M10: 8,515,410 km (0.101 R)
• M11: 8,970,936 km (0.114 R)
• M12: 10,475,740 km (0.066 R)
• M13: 11,288,207 km (0.107 R)
• M14: 11,667,288 km (0.065 R)
• M15: 12,585,070 km (0.114 R)
• M16: 13,597,250 km (0.04 R)
• M17: 14,074,916 km (0.077 R)
• M18: 14,514,285 km (0.055 R)
• M19: 15,114,471 km (0.1 R)
• M20: 16,471,623 km (0.094 R)
• M21: 18,079,202 km (0.116 R)
• M22: 18,832,876 km (0.091 R)
• M23: 19,486,768 km (0.036 R)
• M24: 20,777,050 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.6

Radius: 13.5

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.54 AU - 4.26 AU

Year: 3516 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,566,504 km

• M1: 167,849 km (0.119 R)
• M2: 718,668 km (0.114 R)
• M3: 1,269,637 km (0.101 R)
• M4: 1,690,007 km (0.071 R)
• M5: 2,423,785 km (0.11 R)
• M6: 4,106,910 km (0.091 R)
• M7: 4,530,123 km (0.027 R)
• M8: 6,724,424 km (0.101 R)
• M9: 7,499,640 km (0.089 R)
• M10: 8,808,023 km (0.076 R)
• M11: 9,300,350 km (0.112 R)
• M12: 10,533,784 km (0.12 R)
• M13: 12,258,199 km (0.028 R)
• M14: 12,872,897 km (0.106 R)
• M15: 15,897,167 km (0.101 R)
• M16: 18,612,967 km (0.053 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: 419 - 12,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit