🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.68 AU - 0.72 AU

Year: 208 Days

Day: 18.6 Hours

Environment

Temp: 172 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.75 AU - 0.83 AU

Year: 249 Days

Day: 40.5 Hours

Environment

Temp: 191 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.88 AU - 0.94 AU

Year: 308 Days

Day: 34.4 Hours

Environment

Temp: 149 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.97 AU - 1.45 AU

Year: 472 Days

Day: 32.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 31,523,154 km

• M1: 129,552 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.21 AU - 4.29 AU

Year: 2576 Days

Day: 47 Hours

Environment

Temp: -120 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.2 AU - 4.98 AU

Year: 2934 Days

Day: 32.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,523,154 km

• M1: 124,914 km (0.064 R)
• M2: 924,365 km (0.112 R)

Asteroid Belt

Center: 4.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.3

Radius: 14

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.24 AU - 6.4 AU

Year: 4981 Days

Day: 13 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,523,154 km

• M1: 174,132 km (0.062 R)
• M2: 663,915 km (0.099 R)
• M3: 1,321,248 km (0.061 R)
• M4: 1,907,971 km (0.097 R)
• M5: 2,447,272 km (0.088 R)
• M6: 2,974,006 km (0.043 R)
• M7: 3,576,436 km (0.039 R)
• M8: 5,001,506 km (0.064 R)
• M9: 5,475,581 km (0.089 R)
• M10: 6,133,812 km (0.044 R)
• M11: 6,911,721 km (0.066 R)
• M12: 9,645,024 km (0.075 R)
• M13: 10,294,428 km (0.09 R)
• M14: 11,252,602 km (0.059 R)
• M15: 13,935,640 km (0.092 R)
• M16: 15,338,718 km (0.082 R)
• M17: 16,406,099 km (0.092 R)
• M18: 19,088,539 km (0.042 R)
• M19: 21,103,622 km (0.117 R)
• M20: 25,881,180 km (0.105 R)
• M21: 28,170,625 km (0.108 R)
• M22: 29,319,687 km (0.105 R)
• M23: 30,684,318 km (0.102 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 19,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit