🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.66 AU - 0.88 AU

Year: 246 Days

Day: 38.6 Hours

Environment

Temp: 135 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.77 AU - 0.99 AU

Year: 300 Days

Day: 36.1 Hours

Environment

Temp: 136 °C

Axial Tilt: 180 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,919,767 km

• M1: 366,964 km (0.038 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.14 AU - 1.4 AU

Year: 520 Days

Day: 15.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 31.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,919,767 km

• M1: 102,923 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.34 AU - 1.52 AU

Year: 621 Days

Day: 31.2 Hours

Environment

Temp: -21 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.23 AU - 3.49 AU

Year: 1758 Days

Day: 39 Hours

Environment

Temp: -107 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.3 AU - 4.58 AU

Year: 3400 Days

Day: 39.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.65 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.7

Radius: 14.2

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.33 AU - 11.37 AU

Year: 12989 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,919,767 km

• M1: 177,273 km (0.051 R)
• M2: 676,332 km (0.091 R)
• M3: 1,138,739 km (0.081 R)
• M4: 1,581,997 km (0.098 R)
• M5: 2,038,570 km (0.099 R)
• M6: 2,483,773 km (0.094 R)
• M7: 3,086,653 km (0.088 R)
• M8: 4,651,596 km (0.112 R)
• M9: 6,345,044 km (0.082 R)
• M10: 7,101,860 km (0.12 R)
• M11: 8,372,843 km (0.115 R)
• M12: 9,585,783 km (0.117 R)
• M13: 11,080,116 km (0.105 R)
• M14: 12,179,361 km (0.094 R)
• M15: 16,202,945 km (0.099 R)
• M16: 17,849,270 km (0.092 R)
• M17: 22,540,210 km (0.108 R)
• M18: 22,995,287 km (0.107 R)
• M19: 24,877,677 km (0.076 R)
• M20: 25,461,857 km (0.109 R)
• M21: 25,955,679 km (0.045 R)
• M22: 26,657,892 km (0.116 R)
• M23: 28,840,525 km (0.025 R)
• M24: 29,702,508 km (0.111 R)
• M25: 31,252,342 km (0.115 R)
• M26: 32,507,318 km (0.052 R)
• M27: 33,677,173 km (0.091 R)
• M28: 42,388,856 km (0.028 R)
• M29: 46,816,205 km (0.055 R)
• M30: 48,157,200 km (0.088 R)
• M31: 52,016,526 km (0.09 R)
• M32: 53,778,191 km (0.104 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 19,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit