🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.54 AU - 0.62 AU

Year: 161 Days

Day: 23.8 Hours

Environment

Temp: 148 °C

Axial Tilt: 9.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,266,035 km

• M1: 207,343 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.49 AU - 0.73 AU

Year: 173 Days

Day: 36.6 Hours

Environment

Temp: 192 °C

Axial Tilt: 37 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.56 AU - 0.86 AU

Year: 217 Days

Day: 37 Hours

Environment

Temp: 169 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.05 AU - 1.19 AU

Year: 431 Days

Day: 40 Hours

Environment

Temp: 29 °C

Axial Tilt: 9.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 39,266,035 km

• M1: 54,005 km (0.07 R)
• M2: 353,201 km (0.041 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.74 AU - 2.84 AU

Year: 1259 Days

Day: 36.8 Hours

Environment

Temp: -84 °C

Axial Tilt: 123.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.66 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110

Radius: 14

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.78 AU - 6.28 AU

Year: 4100 Days

Day: 6.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,266,035 km

• M1: 185,202 km (0.093 R)
• M2: 661,671 km (0.103 R)
• M3: 1,343,389 km (0.079 R)
• M4: 2,642,048 km (0.113 R)
• M5: 4,220,904 km (0.107 R)
• M6: 4,680,020 km (0.069 R)
• M7: 5,215,281 km (0.087 R)
• M8: 5,722,717 km (0.119 R)
• M9: 6,811,789 km (0.086 R)
• M10: 8,959,267 km (0.043 R)
• M11: 9,431,547 km (0.026 R)
• M12: 10,255,682 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.1

Radius: 14.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.57 AU - 7.15 AU

Year: 6530 Days

Day: 12.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,266,035 km

• M1: 185,202 km (0.071 R)
• M2: 808,277 km (0.114 R)
• M3: 1,302,698 km (0.119 R)
• M4: 2,395,810 km (0.085 R)
• M5: 3,422,051 km (0.086 R)
• M6: 4,724,899 km (0.051 R)
• M7: 5,367,272 km (0.03 R)
• M8: 7,157,361 km (0.102 R)
• M9: 8,291,612 km (0.104 R)
• M10: 13,877,746 km (0.101 R)
• M11: 20,118,520 km (0.09 R)
• M12: 21,340,286 km (0.036 R)
• M13: 22,692,052 km (0.095 R)
• M14: 26,097,199 km (0.107 R)
• M15: 28,864,909 km (0.078 R)
• M16: 29,344,520 km (0.079 R)
• M17: 30,122,878 km (0.066 R)
• M18: 33,375,285 km (0.119 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 18,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit