🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.71 AU - 0.87 AU

Year: 253 Days

Day: 18.9 Hours

Environment

Temp: 151 °C

Axial Tilt: 27 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.8 AU - 0.88 AU

Year: 277 Days

Day: 36.3 Hours

Environment

Temp: 90 °C

Axial Tilt: 3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.03 AU - 2.35 AU

Year: 1166 Days

Day: 40.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.7 AU - 2.98 AU

Year: 1722 Days

Day: 29.3 Hours

Environment

Temp: -95 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,078,285 km

• M1: 97,239 km (0.038 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.22 AU - 4.3 AU

Year: 2624 Days

Day: 37.5 Hours

Environment

Temp: -113 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.1 AU - 5.54 AU

Year: 3808 Days

Day: 33.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.53 AU - 5.27 AU

Year: 3904 Days

Day: 19 Hours

Environment

Temp: -137 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 17.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.4

Radius: 4.3

Gravity: 23.55 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 13.57 AU - 21.19 AU

Year: 26076 Days

Day: 23.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,078,285 km

• M1: 56,099 km (0.12 R)
• M2: 272,268 km (0.072 R)
• M3: 555,606 km (0.055 R)
• M4: 818,151 km (0.092 R)
• M5: 1,145,620 km (0.025 R)
• M6: 1,409,062 km (0.12 R)
• M7: 2,311,138 km (0.05 R)
• M8: 7,306,659 km (0.064 R)
• M9: 7,847,904 km (0.062 R)
• M10: 10,648,975 km (0.12 R)
• M11: 23,102,698 km (0.084 R)
• M12: 23,731,159 km (0.109 R)
• M13: 27,979,439 km (0.082 R)
• M14: 36,654,769 km (0.08 R)
• M15: 37,652,886 km (0.113 R)
• M16: 38,522,798 km (0.108 R)
• M17: 38,668,955 km (0.112 R)
• M18: 40,152,218 km (0.11 R)
• M19: 44,990,363 km (0.096 R)
• M20: 47,129,762 km (0.071 R)
• M21: 68,654,352 km (0.101 R)

Kuiper Belt

Range: 30.5 - 45.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 14,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit