🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.69 AU - 0.83 AU

Year: 238 Days

Day: 32.5 Hours

Environment

Temp: 107 °C

Axial Tilt: 47 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.93 AU - 0.97 AU

Year: 333 Days

Day: 40.9 Hours

Environment

Temp: 108 °C

Axial Tilt: 17.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.17 AU - 1.49 AU

Year: 552 Days

Day: 19 Hours

Environment

Temp: -1 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 39,642,466 km

• M1: 70,610 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.65 AU - 3.17 AU

Year: 1787 Days

Day: 43 Hours

Environment

Temp: -89 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,642,466 km

• M1: 741,407 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.3

Radius: 10.5

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.78 AU - 9.5 AU

Year: 7600 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,642,466 km

• M1: 130,749 km (0.098 R)
• M2: 866,920 km (0.05 R)
• M3: 1,967,960 km (0.064 R)
• M4: 3,250,612 km (0.078 R)
• M5: 4,636,487 km (0.091 R)
• M6: 5,552,475 km (0.075 R)
• M7: 6,722,180 km (0.095 R)
• M8: 8,941,764 km (0.117 R)
• M9: 9,854,161 km (0.115 R)
• M10: 11,661,154 km (0.086 R)
• M11: 14,074,916 km (0.027 R)
• M12: 14,420,038 km (0.1 R)
• M13: 16,803,880 km (0.09 R)
• M14: 18,258,719 km (0.098 R)
• M15: 18,947,169 km (0.085 R)
• M16: 19,939,751 km (0.054 R)
• M17: 23,446,025 km (0.072 R)
• M18: 26,287,637 km (0.111 R)
• M19: 29,821,288 km (0.115 R)
• M20: 33,353,144 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.1

Radius: 10.3

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.52 AU - 9.7 AU

Year: 10722 Days

Day: 7.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,642,466 km

• M1: 129,253 km (0.112 R)
• M2: 791,074 km (0.116 R)
• M3: 1,822,252 km (0.072 R)
• M4: 3,097,723 km (0.103 R)
• M5: 3,801,282 km (0.108 R)
• M6: 4,204,448 km (0.097 R)
• M7: 5,780,911 km (0.105 R)
• M8: 6,111,372 km (0.049 R)
• M9: 6,559,867 km (0.093 R)
• M10: 7,067,452 km (0.096 R)
• M11: 7,917,916 km (0.085 R)
• M12: 8,748,783 km (0.042 R)
• M13: 12,884,416 km (0.088 R)
• M14: 20,132,732 km (0.106 R)
• M15: 33,580,533 km (0.085 R)
• M16: 37,204,990 km (0.055 R)

Kuiper Belt

Range: 30.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 10,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit