🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.55 AU - 0.85 AU

Year: 247 Days

Day: 42.4 Hours

Environment

Temp: 14 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.8 AU - 0.9 AU

Year: 331 Days

Day: 39.7 Hours

Environment

Temp: -18 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.07 AU - 1.11 AU

Year: 480 Days

Day: 39.2 Hours

Environment

Temp: -64 °C

Axial Tilt: 42.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.19 AU - 1.25 AU

Year: 568 Days

Day: 25.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.15 AU - 1.87 AU

Year: 783 Days

Day: 46.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.2

Radius: 13.2

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.33 AU - 3.87 AU

Year: 2881 Days

Day: 14 Hours

Environment

Temp: -143 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,356,913 km

• M1: 164,857 km (0.093 R)
• M2: 635,791 km (0.047 R)
• M3: 1,085,333 km (0.036 R)
• M4: 2,016,430 km (0.089 R)
• M5: 2,633,970 km (0.089 R)
• M6: 3,076,031 km (0.041 R)
• M7: 3,621,764 km (0.091 R)
• M8: 4,374,092 km (0.059 R)
• M9: 4,976,672 km (0.089 R)
• M10: 5,683,373 km (0.117 R)
• M11: 7,504,278 km (0.089 R)
• M12: 10,525,856 km (0.06 R)
• M13: 11,452,016 km (0.118 R)
• M14: 12,770,721 km (0.04 R)
• M15: 13,824,339 km (0.099 R)
• M16: 17,651,202 km (0.101 R)
• M17: 18,188,109 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 14.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.9 AU - 5 AU

Year: 3959 Days

Day: 13.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,356,913 km

• M1: 253,120 km (0.045 R)
• M2: 1,353,562 km (0.102 R)
• M3: 2,640,402 km (0.059 R)
• M4: 3,423,098 km (0.119 R)
• M5: 4,091,951 km (0.103 R)
• M6: 4,750,630 km (0.036 R)
• M7: 7,949,481 km (0.048 R)
• M8: 9,165,114 km (0.071 R)
• M9: 10,960,288 km (0.04 R)
• M10: 11,696,310 km (0.065 R)
• M11: 14,560,062 km (0.058 R)
• M12: 15,237,441 km (0.12 R)
• M13: 21,171,390 km (0.111 R)
• M14: 21,703,958 km (0.042 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: 177 - 17,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit