🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.49 AU - 0.59 AU

Year: 139 Days

Day: 30.4 Hours

Environment

Temp: 205 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.98 AU - 1.24 AU

Year: 409 Days

Day: 25.9 Hours

Environment

Temp: 31 °C

Axial Tilt: 0.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.4 AU - 1.58 AU

Year: 636 Days

Day: 29.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 14.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.77 AU - 1.83 AU

Year: 845 Days

Day: 14.4 Hours

Environment

Temp: -41 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,671,249 km

• M1: 15,259 km (0.107 R)
• M2: 32,014 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.22 AU - 3.54 AU

Year: 1710 Days

Day: 28.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.05 AU - 4.85 AU

Year: 2746 Days

Day: 12.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.83 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 8.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.45 AU - 5.95 AU

Year: 4761 Days

Day: 10.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,671,249 km

• M1: 100,679 km (0.048 R)
• M2: 388,954 km (0.112 R)
• M3: 710,739 km (0.03 R)
• M4: 1,019,958 km (0.077 R)
• M5: 1,704,219 km (0.056 R)
• M6: 3,037,286 km (0.109 R)
• M7: 3,588,703 km (0.11 R)
• M8: 4,778,605 km (0.089 R)
• M9: 5,189,251 km (0.091 R)
• M10: 5,874,409 km (0.071 R)
• M11: 6,956,151 km (0.091 R)
• M12: 8,293,257 km (0.079 R)
• M13: 9,022,547 km (0.112 R)
• M14: 9,473,136 km (0.041 R)
• M15: 11,668,933 km (0.111 R)
• M16: 12,798,397 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.8

Radius: 13.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.22 AU - 8.86 AU

Year: 7243 Days

Day: 10.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,671,249 km

• M1: 165,455 km (0.068 R)
• M2: 847,622 km (0.115 R)
• M3: 1,915,302 km (0.087 R)
• M4: 2,373,071 km (0.092 R)
• M5: 2,984,029 km (0.074 R)
• M6: 3,936,369 km (0.088 R)
• M7: 4,741,953 km (0.084 R)
• M8: 5,378,343 km (0.05 R)
• M9: 6,270,245 km (0.09 R)
• M10: 7,483,185 km (0.064 R)
• M11: 8,226,237 km (0.081 R)
• M12: 10,465,418 km (0.052 R)
• M13: 11,145,490 km (0.084 R)
• M14: 13,085,176 km (0.069 R)
• M15: 14,695,896 km (0.076 R)
• M16: 21,688,400 km (0.081 R)
• M17: 24,355,581 km (0.061 R)
• M18: 25,205,296 km (0.104 R)
• M19: 30,822,696 km (0.097 R)
• M20: 36,447,128 km (0.073 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 13,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit