🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.59 AU - 0.61 AU

Year: 171 Days

Day: 46.3 Hours

Environment

Temp: 148 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 64,973,062 km

• M1: 63,130 km (0.076 R)
• M2: 136,583 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.75 AU - 1.05 AU

Year: 313 Days

Day: 26.2 Hours

Environment

Temp: 118 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 64,973,062 km

• M1: 50,714 km (0.078 R)
• M2: 173,085 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.07 AU - 1.29 AU

Year: 471 Days

Day: 19.5 Hours

Environment

Temp: 12 °C

Axial Tilt: 26.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.03 AU - 1.47 AU

Year: 513 Days

Day: 42 Hours

Environment

Temp: 10 °C

Axial Tilt: 21.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.71 AU - 2.69 AU

Year: 1198 Days

Day: 20.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.08 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.3 AU - 4.6 AU

Year: 2882 Days

Day: 19 Hours

Environment

Temp: -121 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 19.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.1

Radius: 5.2

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 15.27 AU - 24.09 AU

Year: 32049 Days

Day: 15.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,973,062 km

• M1: 92,003 km (0.079 R)
• M2: 917,783 km (0.059 R)
• M3: 2,132,368 km (0.087 R)
• M4: 4,281,491 km (0.115 R)
• M5: 6,341,454 km (0.086 R)
• M6: 6,846,795 km (0.075 R)
• M7: 11,161,048 km (0.05 R)
• M8: 11,896,471 km (0.096 R)
• M9: 14,653,261 km (0.11 R)
• M10: 15,384,944 km (0.116 R)
• M11: 17,807,981 km (0.113 R)
• M12: 18,221,320 km (0.07 R)
• M13: 24,291,553 km (0.088 R)
• M14: 24,799,886 km (0.058 R)
• M15: 27,338,562 km (0.066 R)
• M16: 31,703,828 km (0.102 R)
• M17: 40,919,506 km (0.07 R)
• M18: 50,115,287 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 15,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit