🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.59 AU - 0.87 AU

Year: 227 Days

Day: 33.5 Hours

Environment

Temp: 120 °C

Axial Tilt: 11.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.8 AU - 1.22 AU

Year: 369 Days

Day: 19.1 Hours

Environment

Temp: 24 °C

Axial Tilt: 42.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.17 AU - 1.33 AU

Year: 508 Days

Day: 13.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 10.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.99 AU - 1.51 AU

Year: 508 Days

Day: 38.1 Hours

Environment

Temp: -12 °C

Axial Tilt: 131.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.5 AU - 1.94 AU

Year: 820 Days

Day: 12.8 Hours

Environment

Temp: -57 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 24,172,697 km

• M1: 136,433 km (0.111 R)
• M2: 772,075 km (0.104 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.36 AU - 2.14 AU

Year: 841 Days

Day: 40.8 Hours

Environment

Temp: -53 °C

Axial Tilt: 41.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,172,697 km

• M1: 80,783 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.48 AU - 2.32 AU

Year: 952 Days

Day: 46.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 47.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,172,697 km

• M1: 843,882 km (0.082 R)

Asteroid Belt

Center: 3.62 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.8

Radius: 9.9

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.09 AU - 5.59 AU

Year: 4485 Days

Day: 10.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,172,697 km

• M1: 123,119 km (0.072 R)
• M2: 685,757 km (0.093 R)
• M3: 1,085,183 km (0.101 R)
• M4: 1,549,684 km (0.085 R)
• M5: 1,930,411 km (0.094 R)
• M6: 3,238,794 km (0.115 R)
• M7: 4,016,254 km (0.079 R)
• M8: 5,291,875 km (0.065 R)
• M9: 6,636,760 km (0.081 R)
• M10: 9,099,590 km (0.098 R)
• M11: 10,067,488 km (0.111 R)
• M12: 12,622,171 km (0.032 R)
• M13: 14,684,976 km (0.104 R)
• M14: 15,102,055 km (0.068 R)
• M15: 15,796,638 km (0.06 R)
• M16: 17,655,242 km (0.095 R)
• M17: 18,606,983 km (0.099 R)
• M18: 19,343,005 km (0.116 R)
• M19: 23,387,832 km (0.113 R)
• M20: 23,742,379 km (0.107 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 11,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit