🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.52 AU - 0.6 AU

Year: 146 Days

Day: 30 Hours

Environment

Temp: 254 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.5 AU - 0.8 AU

Year: 183 Days

Day: 15.3 Hours

Environment

Temp: 209 °C

Axial Tilt: 31.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.39 AU - 3.65 AU

Year: 1828 Days

Day: 12 Hours

Environment

Temp: -92 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,411,244 km

• M1: 1,114,055 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.4

Radius: 12.1

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.09 AU - 6.51 AU

Year: 5507 Days

Day: 7.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,411,244 km

• M1: 153,487 km (0.04 R)
• M2: 670,348 km (0.112 R)
• M3: 1,073,664 km (0.084 R)
• M4: 1,490,593 km (0.066 R)
• M5: 2,148,824 km (0.106 R)
• M6: 2,863,004 km (0.051 R)
• M7: 3,729,924 km (0.095 R)
• M8: 4,334,299 km (0.102 R)
• M9: 4,976,373 km (0.036 R)
• M10: 5,769,691 km (0.085 R)
• M11: 6,711,409 km (0.104 R)
• M12: 8,312,555 km (0.106 R)
• M13: 9,429,603 km (0.094 R)
• M14: 10,242,817 km (0.09 R)
• M15: 13,487,744 km (0.07 R)
• M16: 15,084,402 km (0.054 R)
• M17: 15,898,813 km (0.054 R)
• M18: 17,112,800 km (0.073 R)
• M19: 18,387,673 km (0.086 R)
• M20: 19,317,124 km (0.113 R)
• M21: 20,487,428 km (0.101 R)
• M22: 21,125,912 km (0.087 R)
• M23: 23,427,027 km (0.078 R)
• M24: 23,968,870 km (0.12 R)
• M25: 28,874,184 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.2

Radius: 4.4

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 14.23 AU - 20.23 AU

Year: 24907 Days

Day: 24.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,411,244 km

• M1: 145,409 km (0.101 R)
• M2: 331,808 km (0.104 R)
• M3: 495,767 km (0.102 R)
• M4: 686,056 km (0.112 R)
• M5: 1,401,433 km (0.048 R)
• M6: 2,287,800 km (0.057 R)
• M7: 3,048,206 km (0.106 R)
• M8: 3,539,336 km (0.084 R)
• M9: 5,559,057 km (0.12 R)
• M10: 7,864,210 km (0.073 R)
• M11: 8,703,006 km (0.083 R)
• M12: 12,405,852 km (0.103 R)
• M13: 14,239,922 km (0.099 R)
• M14: 16,915,031 km (0.115 R)
• M15: 17,412,145 km (0.115 R)
• M16: 25,917,682 km (0.044 R)
• M17: 26,661,183 km (0.117 R)

Kuiper Belt

Range: 31.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 16,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit