🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.51 AU - 0.51 AU

Year: 139 Days

Day: 28.6 Hours

Environment

Temp: 219 °C

Axial Tilt: 18.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.79 AU - 0.97 AU

Year: 314 Days

Day: 36.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.33 AU - 1.43 AU

Year: 617 Days

Day: 47.8 Hours

Environment

Temp: -44 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.31 AU - 1.59 AU

Year: 665 Days

Day: 22.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.22 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.56 AU - 3.4 AU

Year: 1959 Days

Day: 34.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 178.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.78 AU - 4.5 AU

Year: 2645 Days

Day: 21.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.11 AU - 4.19 AU

Year: 2655 Days

Day: 44 Hours

Environment

Temp: -131 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,319,684 km

• M1: 60,886 km (0.106 R)

Asteroid Belt

Center: 5.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.8

Radius: 14.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.04 AU - 8.4 AU

Year: 7388 Days

Day: 12.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,319,684 km

• M1: 185,501 km (0.075 R)
• M2: 943,065 km (0.084 R)
• M3: 1,605,185 km (0.081 R)
• M4: 2,534,038 km (0.091 R)
• M5: 3,025,916 km (0.096 R)
• M6: 3,535,297 km (0.115 R)
• M7: 5,611,715 km (0.119 R)
• M8: 6,709,913 km (0.113 R)
• M9: 8,794,859 km (0.054 R)
• M10: 9,423,469 km (0.114 R)
• M11: 10,771,196 km (0.085 R)
• M12: 14,087,033 km (0.039 R)
• M13: 19,496,043 km (0.067 R)
• M14: 22,329,427 km (0.079 R)
• M15: 29,292,011 km (0.064 R)
• M16: 31,209,407 km (0.042 R)
• M17: 32,674,868 km (0.111 R)
• M18: 34,295,461 km (0.06 R)
• M19: 35,069,930 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 12,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit