🌌 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: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.58 AU - 0.58 AU

Year: 160 Days

Day: 15.6 Hours

Environment

Temp: 148 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.07 AU - 1.57 AU

Year: 548 Days

Day: 17.3 Hours

Environment

Temp: -1 °C

Axial Tilt: 9.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 71,186,874 km

• M1: 35,455 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.76 AU - 2.02 AU

Year: 940 Days

Day: 16.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.74 AU - 5.64 AU

Year: 3673 Days

Day: 31.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.97 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.5

Radius: 3.4

Gravity: 63.8 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 12.35 AU - 14.15 AU

Year: 17443 Days

Day: 17.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,186,874 km

• M1: 42,336 km (0.062 R)
• M2: 181,163 km (0.1 R)
• M3: 485,445 km (0.111 R)
• M4: 710,590 km (0.074 R)
• M5: 1,208,152 km (0.09 R)
• M6: 1,336,507 km (0.11 R)
• M7: 2,161,689 km (0.11 R)
• M8: 3,066,607 km (0.108 R)
• M9: 3,279,335 km (0.062 R)
• M10: 3,501,787 km (0.076 R)
• M11: 3,616,828 km (0.103 R)
• M12: 4,327,717 km (0.091 R)
• M13: 4,664,162 km (0.088 R)
• M14: 5,238,319 km (0.074 R)
• M15: 6,877,313 km (0.102 R)
• M16: 9,759,915 km (0.084 R)
• M17: 10,574,176 km (0.117 R)
• M18: 12,270,616 km (0.04 R)
• M19: 15,104,149 km (0.1 R)
• M20: 15,641,205 km (0.097 R)
• M21: 17,328,370 km (0.076 R)
• M22: 20,403,205 km (0.087 R)
• M23: 23,515,738 km (0.078 R)
• M24: 28,291,351 km (0.096 R)
• M25: 31,149,867 km (0.106 R)
• M26: 31,396,554 km (0.078 R)
• M27: 32,903,304 km (0.053 R)
• M28: 34,721,217 km (0.1 R)
• M29: 34,853,611 km (0.072 R)
• M30: 38,840,095 km (0.104 R)
• M31: 41,461,499 km (0.073 R)
• M32: 48,856,720 km (0.042 R)
• M33: 59,133,794 km (0.075 R)
• M34: 62,008,018 km (0.079 R)
• M35: 70,548,561 km (0.068 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 11,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit