🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.02 AU - 1.14 AU

Year: 396 Days

Day: 19.9 Hours

Environment

Temp: 41 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.1 AU - 1.44 AU

Year: 505 Days

Day: 14.9 Hours

Environment

Temp: 23 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.12 AU - 3.18 AU

Year: 1523 Days

Day: 23.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,008,329 km

• M1: 42,785 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.05 AU - 3.29 AU

Year: 1541 Days

Day: 26.6 Hours

Environment

Temp: -89 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,008,329 km

• M1: 61,186 km (0.062 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.99 AU - 3.27 AU

Year: 1955 Days

Day: 16 Hours

Environment

Temp: -105 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 10.4

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.03 AU - 8.25 AU

Year: 6737 Days

Day: 10.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,008,329 km

• M1: 129,402 km (0.1 R)
• M2: 665,112 km (0.092 R)
• M3: 1,028,785 km (0.089 R)
• M4: 1,835,715 km (0.065 R)
• M5: 2,765,167 km (0.109 R)
• M6: 5,840,151 km (0.115 R)
• M7: 7,140,306 km (0.094 R)
• M8: 8,135,132 km (0.043 R)
• M9: 8,665,905 km (0.081 R)
• M10: 9,616,750 km (0.104 R)
• M11: 10,025,301 km (0.095 R)
• M12: 11,623,306 km (0.112 R)
• M13: 16,127,398 km (0.111 R)
• M14: 18,520,067 km (0.077 R)
• M15: 22,144,225 km (0.096 R)
• M16: 23,504,668 km (0.059 R)
• M17: 25,778,855 km (0.073 R)
• M18: 26,215,680 km (0.036 R)
• M19: 32,655,719 km (0.114 R)
• M20: 35,266,352 km (0.095 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 15,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit