🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.43 AU - 0.71 AU

Year: 151 Days

Day: 17.7 Hours

Environment

Temp: 188 °C

Axial Tilt: 16.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.63 AU - 0.75 AU

Year: 201 Days

Day: 32.7 Hours

Environment

Temp: 172 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.79 AU - 0.91 AU

Year: 274 Days

Day: 17.4 Hours

Environment

Temp: 133 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.6 AU - 4.92 AU

Year: 3076 Days

Day: 34.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,602,668 km

• M1: 1,971,251 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.5

Radius: 10

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.04 AU - 9.68 AU

Year: 9226 Days

Day: 7.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,602,668 km

• M1: 142,866 km (0.071 R)
• M2: 476,469 km (0.07 R)
• M3: 1,010,384 km (0.077 R)
• M4: 1,329,626 km (0.103 R)
• M5: 1,931,907 km (0.096 R)
• M6: 2,764,569 km (0.115 R)
• M7: 4,753,173 km (0.077 R)
• M8: 5,578,654 km (0.095 R)
• M9: 6,025,802 km (0.119 R)
• M10: 6,706,173 km (0.104 R)
• M11: 7,860,770 km (0.104 R)
• M12: 9,099,739 km (0.101 R)
• M13: 10,087,833 km (0.068 R)
• M14: 14,347,483 km (0.088 R)
• M15: 17,841,491 km (0.115 R)
• M16: 18,955,696 km (0.118 R)
• M17: 21,168,996 km (0.098 R)
• M18: 26,723,864 km (0.051 R)
• M19: 27,537,228 km (0.085 R)
• M20: 28,647,244 km (0.06 R)
• M21: 31,452,354 km (0.088 R)
• M22: 32,767,319 km (0.092 R)
• M23: 33,594,595 km (0.078 R)
• M24: 34,224,103 km (0.094 R)
• M25: 36,269,555 km (0.039 R)
• M26: 37,378,225 km (0.111 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 15,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit