🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.5 AU - 0.58 AU

Year: 149 Days

Day: 48 Hours

Environment

Temp: 216 °C

Axial Tilt: 10.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.68 AU - 0.86 AU

Year: 253 Days

Day: 22.7 Hours

Environment

Temp: 164 °C

Axial Tilt: 8.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.94 AU - 1.18 AU

Year: 409 Days

Day: 15.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.37 AU - 2.27 AU

Year: 920 Days

Day: 33.5 Hours

Environment

Temp: -59 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,233,365 km

• M1: 57,595 km (0.042 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.02 AU - 2.6 AU

Year: 1316 Days

Day: 34 Hours

Environment

Temp: -98 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,233,365 km

• M1: 400,324 km (0.087 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.43 AU - 3.71 AU

Year: 2016 Days

Day: 15 Hours

Environment

Temp: -118 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,233,365 km

• M1: 1,079,947 km (0.071 R)
• M2: 1,642,285 km (0.115 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.98 AU - 4.42 AU

Year: 2667 Days

Day: 15.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.5

Radius: 8.8

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.47 AU - 5.05 AU

Year: 3892 Days

Day: 7.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 27,233,365 km

• M1: 109,506 km (0.106 R)
• M2: 513,270 km (0.065 R)
• M3: 798,703 km (0.117 R)
• M4: 1,084,136 km (0.1 R)
• M5: 1,517,072 km (0.115 R)
• M6: 1,897,948 km (0.113 R)
• M7: 2,404,187 km (0.087 R)
• M8: 2,943,488 km (0.085 R)
• M9: 4,056,795 km (0.098 R)
• M10: 4,380,525 km (0.091 R)
• M11: 4,872,851 km (0.099 R)
• M12: 5,680,082 km (0.069 R)
• M13: 6,542,663 km (0.091 R)
• M14: 6,859,511 km (0.084 R)
• M15: 9,254,423 km (0.063 R)
• M16: 11,969,326 km (0.114 R)
• M17: 12,540,640 km (0.108 R)
• M18: 13,080,389 km (0.105 R)
• M19: 14,049,035 km (0.108 R)
• M20: 14,470,901 km (0.108 R)
• M21: 17,181,914 km (0.089 R)
• M22: 17,847,774 km (0.089 R)
• M23: 21,368,560 km (0.108 R)
• M24: 22,138,540 km (0.107 R)
• M25: 22,566,240 km (0.12 R)
• M26: 25,638,233 km (0.11 R)
• M27: 26,268,638 km (0.085 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 12,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit