🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.59 AU - 0.79 AU

Year: 211 Days

Day: 17.2 Hours

Environment

Temp: 165 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.97 AU - 2.95 AU

Year: 1424 Days

Day: 14.5 Hours

Environment

Temp: -99 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.43 AU - 2.69 AU

Year: 1511 Days

Day: 14.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.4 AU - 3 AU

Year: 1637 Days

Day: 32 Hours

Environment

Temp: -104 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,094,107 km

• M1: 172,935 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.32 AU - 3.16 AU

Year: 1673 Days

Day: 34 Hours

Environment

Temp: -104 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 14.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.15 AU - 7.75 AU

Year: 6044 Days

Day: 14.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,094,107 km

• M1: 176,974 km (0.115 R)
• M2: 929,152 km (0.081 R)
• M3: 1,575,714 km (0.087 R)
• M4: 2,125,187 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395

Radius: 5.3

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 9.41 AU - 15.51 AU

Year: 16228 Days

Day: 21.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,094,107 km

• M1: 68,665 km (0.05 R)
• M2: 287,078 km (0.084 R)
• M3: 546,930 km (0.079 R)
• M4: 789,278 km (0.092 R)
• M5: 1,113,307 km (0.045 R)
• M6: 2,676,306 km (0.08 R)
• M7: 2,921,646 km (0.036 R)
• M8: 3,206,182 km (0.099 R)
• M9: 8,304,776 km (0.068 R)
• M10: 8,539,794 km (0.085 R)
• M11: 13,054,209 km (0.118 R)
• M12: 14,423,778 km (0.077 R)
• M13: 18,459,330 km (0.102 R)
• M14: 18,698,986 km (0.047 R)
• M15: 22,004,949 km (0.107 R)
• M16: 22,274,375 km (0.109 R)
• M17: 30,517,816 km (0.096 R)
• M18: 37,057,038 km (0.059 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 14,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit