🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.92 AU - 1.1 AU

Year: 376 Days

Day: 40.5 Hours

Environment

Temp: 26 °C

Axial Tilt: 23.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 19,299,844 km

• M1: 57,595 km (0.036 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.82 AU - 1.26 AU

Year: 393 Days

Day: 37.7 Hours

Environment

Temp: 14 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 19,299,844 km

• M1: 41,439 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.13 AU - 1.19 AU

Year: 463 Days

Day: 35.3 Hours

Environment

Temp: -1 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 19,299,844 km

• M1: 55,052 km (0.053 R)
• M2: 115,490 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.14 AU - 1.46 AU

Year: 550 Days

Day: 25.2 Hours

Environment

Temp: -6 °C

Axial Tilt: 43.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 19,299,844 km

• M1: 19,448 km (0.085 R)
• M2: 345,721 km (0.085 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.9 AU - 4.56 AU

Year: 3226 Days

Day: 44 Hours

Environment

Temp: -127 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,299,844 km

• M1: 174,581 km (0.111 R)

Asteroid Belt

Center: 4.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248

Radius: 9.1

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.91 AU - 5.25 AU

Year: 4246 Days

Day: 11.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,299,844 km

• M1: 113,246 km (0.097 R)
• M2: 503,546 km (0.106 R)
• M3: 957,127 km (0.119 R)
• M4: 2,733,901 km (0.055 R)
• M5: 3,703,894 km (0.082 R)
• M6: 4,278,200 km (0.066 R)
• M7: 4,685,854 km (0.109 R)
• M8: 6,066,642 km (0.094 R)
• M9: 6,694,206 km (0.086 R)
• M10: 7,364,404 km (0.038 R)
• M11: 8,804,433 km (0.075 R)
• M12: 9,465,656 km (0.109 R)
• M13: 9,826,635 km (0.09 R)
• M14: 10,461,529 km (0.107 R)
• M15: 13,548,182 km (0.103 R)
• M16: 15,998,445 km (0.081 R)
• M17: 16,459,655 km (0.098 R)
• M18: 18,673,554 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 12,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit