🌌 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: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.51 AU - 0.57 AU

Year: 141 Days

Day: 19.7 Hours

Environment

Temp: 268 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 58,248,486 km

• M1: 35,006 km (0.099 R)
• M2: 253,419 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.49 AU - 0.61 AU

Year: 145 Days

Day: 36.4 Hours

Environment

Temp: 186 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.3 AU - 1.38 AU

Year: 553 Days

Day: 36.3 Hours

Environment

Temp: -2 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.75 AU - 1.77 AU

Year: 832 Days

Day: 26 Hours

Environment

Temp: -37 °C

Axial Tilt: 76.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.43 AU - 2.23 AU

Year: 882 Days

Day: 47.7 Hours

Environment

Temp: -43 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,248,486 km

• M1: 32,912 km (0.112 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.11 AU - 2.75 AU

Year: 1350 Days

Day: 43.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 12.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.9

Radius: 10.2

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 11.72 AU - 12.74 AU

Year: 15245 Days

Day: 5.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,248,486 km

• M1: 130,599 km (0.105 R)
• M2: 571,165 km (0.117 R)
• M3: 930,349 km (0.027 R)
• M4: 1,618,948 km (0.095 R)
• M5: 2,122,046 km (0.1 R)
• M6: 2,618,860 km (0.093 R)
• M7: 3,167,436 km (0.113 R)
• M8: 3,874,585 km (0.116 R)
• M9: 4,281,042 km (0.104 R)
• M10: 5,248,641 km (0.084 R)
• M11: 6,716,645 km (0.034 R)
• M12: 9,744,207 km (0.105 R)
• M13: 11,467,126 km (0.099 R)
• M14: 15,434,611 km (0.053 R)
• M15: 20,062,570 km (0.088 R)
• M16: 21,105,567 km (0.091 R)
• M17: 23,204,874 km (0.101 R)
• M18: 25,041,337 km (0.11 R)
• M19: 26,661,333 km (0.12 R)
• M20: 28,674,471 km (0.052 R)
• M21: 29,110,848 km (0.09 R)
• M22: 29,662,565 km (0.053 R)
• M23: 33,000,991 km (0.096 R)
• M24: 38,797,460 km (0.082 R)
• M25: 40,005,762 km (0.099 R)
• M26: 42,075,299 km (0.116 R)
• M27: 47,788,142 km (0.105 R)
• M28: 50,116,483 km (0.077 R)
• M29: 52,032,683 km (0.092 R)
• M30: 52,356,861 km (0.078 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 11,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit