🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.5 AU - 0.72 AU

Year: 181 Days

Day: 35.5 Hours

Environment

Temp: 111 °C

Axial Tilt: 29.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,666,100 km

• M1: 146,307 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.98 AU - 1.02 AU

Year: 381 Days

Day: 37.2 Hours

Environment

Temp: 2 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.12 AU - 1.32 AU

Year: 513 Days

Day: 46.1 Hours

Environment

Temp: -38 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.78 AU - 4.52 AU

Year: 2655 Days

Day: 21.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,666,100 km

• M1: 33,360 km (0.06 R)
• M2: 635,492 km (0.075 R)

Asteroid Belt

Center: 4.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 9.1

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.72 AU - 5.2 AU

Year: 3587 Days

Day: 7.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,666,100 km

• M1: 115,639 km (0.079 R)
• M2: 901,626 km (0.116 R)
• M3: 1,268,740 km (0.076 R)
• M4: 2,995,249 km (0.063 R)
• M5: 3,763,284 km (0.092 R)
• M6: 4,091,651 km (0.113 R)
• M7: 4,486,889 km (0.088 R)
• M8: 6,298,968 km (0.085 R)
• M9: 10,767,456 km (0.066 R)
• M10: 11,705,734 km (0.074 R)
• M11: 12,313,401 km (0.113 R)
• M12: 15,118,810 km (0.05 R)
• M13: 16,065,764 km (0.105 R)
• M14: 16,524,730 km (0.033 R)
• M15: 17,469,142 km (0.118 R)
• M16: 18,386,625 km (0.104 R)
• M17: 19,594,628 km (0.106 R)
• M18: 20,384,355 km (0.061 R)
• M19: 21,058,443 km (0.063 R)
• M20: 24,277,341 km (0.086 R)
• M21: 26,121,583 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.4

Radius: 4.4

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 10.15 AU - 15.65 AU

Year: 17643 Days

Day: 21.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,666,100 km

• M1: 55,351 km (0.117 R)
• M2: 402,418 km (0.058 R)
• M3: 721,211 km (0.114 R)
• M4: 1,689,110 km (0.073 R)
• M5: 2,113,668 km (0.11 R)
• M6: 3,408,737 km (0.067 R)
• M7: 4,480,606 km (0.053 R)
• M8: 5,222,013 km (0.109 R)
• M9: 6,482,525 km (0.116 R)
• M10: 8,460,956 km (0.098 R)
• M11: 12,890,101 km (0.119 R)
• M12: 13,993,235 km (0.116 R)
• M13: 18,882,542 km (0.101 R)
• M14: 28,073,088 km (0.114 R)
• M15: 30,443,915 km (0.085 R)
• M16: 43,777,722 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 17,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit