🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.45 AU - 0.59 AU

Year: 140 Days

Day: 28.8 Hours

Environment

Temp: 155 °C

Axial Tilt: 4.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 19,146,507 km

• M1: 54,454 km (0.042 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.65 AU - 1.01 AU

Year: 282 Days

Day: 44 Hours

Environment

Temp: 144 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.51 AU - 1.85 AU

Year: 812 Days

Day: 33.7 Hours

Environment

Temp: -55 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.44 AU - 2.38 AU

Year: 984 Days

Day: 39.7 Hours

Environment

Temp: -68 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.3 AU - 2.68 AU

Year: 1465 Days

Day: 45.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,146,507 km

• M1: 554,559 km (0.08 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.3 AU - 3.14 AU

Year: 1672 Days

Day: 39 Hours

Environment

Temp: -103 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 19,146,507 km

• M1: 50,714 km (0.062 R)
• M2: 1,788,592 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.2

Radius: 11.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.52 AU - 4.52 AU

Year: 3582 Days

Day: 5.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,146,507 km

• M1: 165,754 km (0.074 R)
• M2: 675,734 km (0.093 R)
• M3: 1,269,188 km (0.079 R)
• M4: 1,979,629 km (0.101 R)
• M5: 2,350,332 km (0.048 R)
• M6: 2,722,532 km (0.073 R)
• M7: 3,117,769 km (0.098 R)
• M8: 3,811,604 km (0.037 R)
• M9: 6,196,942 km (0.11 R)
• M10: 7,088,546 km (0.046 R)
• M11: 7,842,968 km (0.118 R)
• M12: 8,616,837 km (0.119 R)
• M13: 9,440,822 km (0.088 R)
• M14: 10,316,718 km (0.076 R)
• M15: 11,008,459 km (0.058 R)
• M16: 11,895,574 km (0.103 R)
• M17: 13,314,958 km (0.085 R)
• M18: 13,812,371 km (0.082 R)
• M19: 17,326,425 km (0.065 R)
• M20: 17,756,519 km (0.053 R)
• M21: 18,750,148 km (0.03 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 10,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit