🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.55 AU - 0.59 AU

Year: 152 Days

Day: 17.7 Hours

Environment

Temp: 264 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.49 AU - 0.81 AU

Year: 185 Days

Day: 19.5 Hours

Environment

Temp: 160 °C

Axial Tilt: 49 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.63 AU - 0.87 AU

Year: 229 Days

Day: 22.1 Hours

Environment

Temp: 165 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.98 AU - 1.24 AU

Year: 413 Days

Day: 31 Hours

Environment

Temp: 29 °C

Axial Tilt: 32.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.93 AU - 1.47 AU

Year: 464 Days

Day: 31.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 32,242,064 km

• M1: 175,030 km (0.12 R)
• M2: 491,579 km (0.055 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.75 AU - 2.97 AU

Year: 1708 Days

Day: 47.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.6 AU - 5 AU

Year: 3148 Days

Day: 13.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,242,064 km

• M1: 21,692 km (0.042 R)

Asteroid Belt

Center: 5.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.8

Radius: 8

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.1 AU - 6.8 AU

Year: 5125 Days

Day: 6.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,242,064 km

• M1: 99,483 km (0.094 R)
• M2: 437,125 km (0.104 R)
• M3: 782,696 km (0.102 R)
• M4: 1,297,163 km (0.119 R)
• M5: 1,624,334 km (0.093 R)
• M6: 1,891,216 km (0.107 R)
• M7: 2,234,693 km (0.046 R)
• M8: 2,893,971 km (0.088 R)
• M9: 3,228,172 km (0.103 R)
• M10: 3,998,003 km (0.058 R)
• M11: 4,777,258 km (0.063 R)
• M12: 7,649,238 km (0.1 R)
• M13: 10,028,892 km (0.114 R)
• M14: 11,314,536 km (0.059 R)
• M15: 12,706,544 km (0.108 R)
• M16: 18,279,663 km (0.066 R)
• M17: 24,401,208 km (0.072 R)
• M18: 26,372,908 km (0.052 R)
• M19: 27,744,870 km (0.082 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 18,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit