🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.46 AU - 0.6 AU

Year: 163 Days

Day: 26 Hours

Environment

Temp: 81 °C

Axial Tilt: 45.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 23,536,487 km

• M1: 33,061 km (0.082 R)
• M2: 168,896 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.54 AU - 0.56 AU

Year: 172 Days

Day: 36.9 Hours

Environment

Temp: 122 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,536,487 km

• M1: 118,482 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.92 AU - 0.94 AU

Year: 378 Days

Day: 14.7 Hours

Environment

Temp: -37 °C

Axial Tilt: 80.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.89 AU - 1.19 AU

Year: 447 Days

Day: 35.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.96 AU - 1.14 AU

Year: 454 Days

Day: 20.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.52 AU - 1.56 AU

Year: 806 Days

Day: 21.1 Hours

Environment

Temp: -94 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.93 AU - 2.31 AU

Year: 1302 Days

Day: 38 Hours

Environment

Temp: -116 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 23,536,487 km

• M1: 271,520 km (0.114 R)
• M2: 1,643,632 km (0.118 R)

Asteroid Belt

Center: 2.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.4

Radius: 11.9

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.13 AU - 4.05 AU

Year: 2869 Days

Day: 7.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 23,536,487 km

• M1: 148,102 km (0.053 R)
• M2: 526,734 km (0.059 R)
• M3: 1,019,509 km (0.099 R)
• M4: 1,535,323 km (0.051 R)
• M5: 1,930,710 km (0.083 R)
• M6: 2,882,751 km (0.089 R)
• M7: 3,975,863 km (0.113 R)
• M8: 4,456,670 km (0.045 R)
• M9: 4,878,536 km (0.071 R)
• M10: 5,301,599 km (0.067 R)
• M11: 5,695,191 km (0.069 R)
• M12: 6,841,559 km (0.099 R)
• M13: 7,567,109 km (0.053 R)
• M14: 8,239,252 km (0.104 R)
• M15: 9,664,022 km (0.042 R)
• M16: 11,161,946 km (0.116 R)
• M17: 11,679,405 km (0.114 R)
• M18: 12,531,664 km (0.106 R)
• M19: 13,090,861 km (0.075 R)
• M20: 13,666,813 km (0.098 R)
• M21: 14,817,819 km (0.079 R)
• M22: 15,337,970 km (0.088 R)
• M23: 16,414,776 km (0.041 R)
• M24: 18,658,894 km (0.105 R)
• M25: 22,026,491 km (0.026 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 15,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit