🌌 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: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.73 AU - 0.77 AU

Year: 229 Days

Day: 45.6 Hours

Environment

Temp: 214 °C

Axial Tilt: 13.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.78 AU - 0.98 AU

Year: 291 Days

Day: 12.9 Hours

Environment

Temp: 142 °C

Axial Tilt: 27.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.3 AU - 1.66 AU

Year: 636 Days

Day: 46.4 Hours

Environment

Temp: -4 °C

Axial Tilt: 49 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.37 AU - 2.15 AU

Year: 824 Days

Day: 29 Hours

Environment

Temp: -49 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.75 AU - 4.23 AU

Year: 2814 Days

Day: 25.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 12.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 14.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 12.01 AU - 12.5 AU

Year: 15139 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,671,168 km

• M1: 182,958 km (0.108 R)
• M2: 764,595 km (0.057 R)
• M3: 1,441,824 km (0.043 R)
• M4: 2,049,491 km (0.04 R)
• M5: 2,611,081 km (0.113 R)
• M6: 4,651,297 km (0.077 R)
• M7: 5,253,578 km (0.059 R)
• M8: 6,450,062 km (0.092 R)
• M9: 7,821,425 km (0.062 R)
• M10: 8,516,607 km (0.059 R)
• M11: 9,127,265 km (0.091 R)
• M12: 10,619,953 km (0.103 R)
• M13: 11,279,979 km (0.038 R)
• M14: 12,526,727 km (0.065 R)
• M15: 14,652,513 km (0.078 R)
• M16: 16,819,588 km (0.118 R)
• M17: 17,328,819 km (0.109 R)
• M18: 19,539,427 km (0.117 R)
• M19: 26,430,204 km (0.09 R)
• M20: 27,468,413 km (0.079 R)

Kuiper Belt

Range: 31.1 - 52.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 11,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit