🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.5 AU - 0.52 AU

Year: 132 Days

Day: 18.2 Hours

Environment

Temp: 265 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.42 AU - 0.66 AU

Year: 144 Days

Day: 46.9 Hours

Environment

Temp: 189 °C

Axial Tilt: 15 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,599,030 km

• M1: 86,617 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.54 AU - 0.6 AU

Year: 156 Days

Day: 32 Hours

Environment

Temp: 162 °C

Axial Tilt: 11.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 52,599,030 km

• M1: 143,165 km (0.114 R)
• M2: 234,869 km (0.047 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.95 AU - 1.39 AU

Year: 458 Days

Day: 47.8 Hours

Environment

Temp: 20 °C

Axial Tilt: 23.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 52,599,030 km

• M1: 75,846 km (0.081 R)
• M2: 415,284 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.3 AU - 1.32 AU

Year: 542 Days

Day: 45.5 Hours

Environment

Temp: -15 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 52,599,030 km

• M1: 459,116 km (0.086 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.76 AU - 3.14 AU

Year: 1832 Days

Day: 12 Hours

Environment

Temp: -92 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,599,030 km

• M1: 301,739 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.97 AU - 3.87 AU

Year: 2287 Days

Day: 24.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 11.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 10.9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 11.27 AU - 12.71 AU

Year: 15015 Days

Day: 8.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,599,030 km

• M1: 138,677 km (0.072 R)
• M2: 725,250 km (0.058 R)
• M3: 1,123,031 km (0.1 R)
• M4: 2,038,121 km (0.063 R)
• M5: 4,248,879 km (0.073 R)
• M6: 4,696,625 km (0.033 R)
• M7: 7,597,777 km (0.066 R)
• M8: 8,350,852 km (0.102 R)
• M9: 9,250,684 km (0.112 R)
• M10: 12,043,825 km (0.116 R)
• M11: 15,564,013 km (0.058 R)
• M12: 19,392,821 km (0.105 R)
• M13: 22,180,128 km (0.117 R)
• M14: 24,556,490 km (0.113 R)
• M15: 29,168,144 km (0.098 R)
• M16: 34,802,149 km (0.116 R)
• M17: 35,523,510 km (0.079 R)
• M18: 37,621,621 km (0.103 R)
• M19: 40,855,178 km (0.09 R)
• M20: 49,362,809 km (0.063 R)
• M21: 51,195,234 km (0.117 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 13,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit