🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.49 AU - 0.61 AU

Year: 151 Days

Day: 41.1 Hours

Environment

Temp: 152 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.58 AU - 0.84 AU

Year: 222 Days

Day: 20.2 Hours

Environment

Temp: 193 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,925,388 km

• M1: 82,728 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.77 AU - 0.89 AU

Year: 280 Days

Day: 12.2 Hours

Environment

Temp: 109 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,925,388 km

• M1: 446,849 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.89 AU - 1.23 AU

Year: 405 Days

Day: 14.2 Hours

Environment

Temp: 16 °C

Axial Tilt: 5.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.27 AU - 2.69 AU

Year: 1448 Days

Day: 12.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.05 AU - 4.17 AU

Year: 2544 Days

Day: 25.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,925,388 km

• M1: 860,487 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.6

Radius: 13.2

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.14 AU - 8.48 AU

Year: 8884 Days

Day: 8.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,925,388 km

• M1: 168,746 km (0.094 R)
• M2: 1,008,589 km (0.056 R)
• M3: 1,526,945 km (0.119 R)
• M4: 2,375,465 km (0.117 R)
• M5: 2,818,424 km (0.065 R)
• M6: 3,333,340 km (0.115 R)
• M7: 4,616,740 km (0.093 R)
• M8: 7,197,004 km (0.116 R)
• M9: 8,014,407 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.5

Radius: 9.4

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.35 AU - 9.21 AU

Year: 9648 Days

Day: 6.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,925,388 km

• M1: 116,836 km (0.103 R)
• M2: 584,778 km (0.12 R)
• M3: 1,306,737 km (0.098 R)
• M4: 1,703,621 km (0.103 R)
• M5: 2,270,746 km (0.097 R)
• M6: 2,639,804 km (0.066 R)
• M7: 2,959,345 km (0.073 R)
• M8: 3,401,257 km (0.072 R)
• M9: 4,273,562 km (0.082 R)
• M10: 6,305,700 km (0.089 R)
• M11: 7,160,801 km (0.067 R)
• M12: 7,490,365 km (0.082 R)
• M13: 8,540,094 km (0.068 R)
• M14: 9,536,715 km (0.096 R)
• M15: 10,608,733 km (0.106 R)
• M16: 12,453,125 km (0.112 R)
• M17: 13,420,275 km (0.075 R)
• M18: 14,632,766 km (0.114 R)
• M19: 16,196,513 km (0.1 R)
• M20: 20,546,968 km (0.06 R)
• M21: 22,591,373 km (0.052 R)
• M22: 23,481,929 km (0.066 R)
• M23: 25,428,048 km (0.111 R)
• M24: 36,913,574 km (0.116 R)
• M25: 40,439,745 km (0.032 R)
• M26: 42,821,493 km (0.105 R)
• M27: 45,857,582 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 18,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit