🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.61 AU - 0.73 AU

Year: 195 Days

Day: 46.8 Hours

Environment

Temp: 203 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.91 AU - 1.41 AU

Year: 445 Days

Day: 20.3 Hours

Environment

Temp: 33 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.04 AU - 1.5 AU

Year: 510 Days

Day: 29.6 Hours

Environment

Temp: 16 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 38,241,072 km

• M1: 454,628 km (0.025 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.57 AU - 4.03 AU

Year: 2640 Days

Day: 38.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.82 AU - 4.1 AU

Year: 2809 Days

Day: 14.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 47.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.08 AU - 5.06 AU

Year: 3482 Days

Day: 33.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.5

Radius: 14.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.56 AU - 9.62 AU

Year: 9769 Days

Day: 7.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,241,072 km

• M1: 184,005 km (0.098 R)
• M2: 684,261 km (0.057 R)
• M3: 1,815,819 km (0.098 R)
• M4: 2,529,550 km (0.049 R)
• M5: 4,392,792 km (0.059 R)
• M6: 6,110,325 km (0.061 R)
• M7: 7,084,656 km (0.118 R)
• M8: 8,822,235 km (0.094 R)
• M9: 10,348,732 km (0.108 R)
• M10: 10,927,526 km (0.107 R)
• M11: 13,690,300 km (0.062 R)
• M12: 14,686,771 km (0.116 R)
• M13: 16,175,270 km (0.107 R)
• M14: 18,244,059 km (0.087 R)
• M15: 19,669,278 km (0.061 R)
• M16: 20,334,240 km (0.118 R)
• M17: 20,938,017 km (0.117 R)
• M18: 22,902,088 km (0.063 R)
• M19: 23,887,339 km (0.119 R)
• M20: 30,795,470 km (0.069 R)
• M21: 37,447,489 km (0.043 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 12,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit