🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.54 AU - 0.54 AU

Year: 139 Days

Day: 45.3 Hours

Environment

Temp: 237 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.8 AU - 0.96 AU

Year: 289 Days

Day: 12.1 Hours

Environment

Temp: 124 °C

Axial Tilt: 152 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,031,542 km

• M1: 28,274 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.13 AU - 1.13 AU

Year: 420 Days

Day: 28.4 Hours

Environment

Temp: 38 °C

Axial Tilt: 13.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 36,031,542 km

• M1: 58,792 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.1 AU - 1.78 AU

Year: 605 Days

Day: 24.6 Hours

Environment

Temp: -8 °C

Axial Tilt: 108.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.13 AU - 1.81 AU

Year: 624 Days

Day: 20.5 Hours

Environment

Temp: 0 °C

Axial Tilt: 8.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 36,031,542 km

• M1: 648,208 km (0.096 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.97 AU - 2.73 AU

Year: 1260 Days

Day: 23.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 121.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.74 AU - 4.66 AU

Year: 3011 Days

Day: 20.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,031,542 km

• M1: 37,399 km (0.11 R)

Asteroid Belt

Center: 6.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.4

Radius: 11.9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.03 AU - 11.49 AU

Year: 9858 Days

Day: 6.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,031,542 km

• M1: 148,700 km (0.101 R)
• M2: 715,377 km (0.116 R)
• M3: 1,521,410 km (0.088 R)
• M4: 2,055,475 km (0.112 R)
• M5: 3,732,616 km (0.108 R)
• M6: 4,579,789 km (0.11 R)
• M7: 5,193,440 km (0.087 R)
• M8: 5,581,497 km (0.081 R)
• M9: 7,041,273 km (0.095 R)
• M10: 8,133,636 km (0.056 R)
• M11: 9,077,898 km (0.11 R)
• M12: 10,185,521 km (0.105 R)
• M13: 11,037,331 km (0.115 R)
• M14: 13,374,798 km (0.089 R)
• M15: 13,879,092 km (0.106 R)
• M16: 15,407,833 km (0.078 R)
• M17: 18,314,519 km (0.059 R)
• M18: 19,933,019 km (0.1 R)
• M19: 21,340,435 km (0.089 R)
• M20: 22,107,274 km (0.097 R)
• M21: 26,481,815 km (0.117 R)
• M22: 28,090,142 km (0.12 R)
• M23: 28,825,415 km (0.085 R)
• M24: 34,024,839 km (0.109 R)
• M25: 35,283,256 km (0.113 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 12,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit