🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.41 AU - 0.63 AU

Year: 137 Days

Day: 25.8 Hours

Environment

Temp: 250 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 22,217,833 km

• M1: 33,660 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.53 AU - 0.63 AU

Year: 161 Days

Day: 15.2 Hours

Environment

Temp: 184 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.59 AU - 0.61 AU

Year: 170 Days

Day: 29.9 Hours

Environment

Temp: 162 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.03 AU - 1.19 AU

Year: 427 Days

Day: 46.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 41 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.57 AU - 1.83 AU

Year: 810 Days

Day: 15.7 Hours

Environment

Temp: -53 °C

Axial Tilt: 95.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.11 AU - 2.49 AU

Year: 1274 Days

Day: 26.6 Hours

Environment

Temp: -74 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.14 AU - 3.28 AU

Year: 2101 Days

Day: 16.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.8

Radius: 11.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.82 AU - 7.12 AU

Year: 6011 Days

Day: 9.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,217,833 km

• M1: 145,559 km (0.055 R)
• M2: 511,475 km (0.091 R)
• M3: 1,558,062 km (0.086 R)
• M4: 2,710,564 km (0.115 R)
• M5: 3,160,405 km (0.097 R)
• M6: 3,918,866 km (0.109 R)
• M7: 4,587,120 km (0.104 R)
• M8: 5,904,478 km (0.103 R)
• M9: 6,607,289 km (0.031 R)
• M10: 8,487,435 km (0.116 R)
• M11: 9,053,514 km (0.109 R)
• M12: 9,531,928 km (0.104 R)
• M13: 11,745,826 km (0.12 R)
• M14: 13,652,900 km (0.081 R)
• M15: 16,343,717 km (0.047 R)
• M16: 18,187,361 km (0.095 R)
• M17: 18,772,588 km (0.06 R)
• M18: 21,888,412 km (0.076 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 14,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit