🌌 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: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.49 AU - 0.63 AU

Year: 153 Days

Day: 27.2 Hours

Environment

Temp: 188 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.73 AU - 0.77 AU

Year: 237 Days

Day: 12.7 Hours

Environment

Temp: 185 °C

Axial Tilt: 42.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.81 AU - 1.05 AU

Year: 328 Days

Day: 31.1 Hours

Environment

Temp: 118 °C

Axial Tilt: 69 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.93 AU - 0.93 AU

Year: 328 Days

Day: 44.9 Hours

Environment

Temp: 131 °C

Axial Tilt: 9.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.05 AU - 1.11 AU

Year: 410 Days

Day: 22.4 Hours

Environment

Temp: 25 °C

Axial Tilt: 16.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.42 AU - 2.98 AU

Year: 1620 Days

Day: 40.6 Hours

Environment

Temp: -94 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758

Radius: 12.6

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.37 AU - 9.55 AU

Year: 10627 Days

Day: 14.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 161.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 105,590,388 km

• M1: 156,779 km (0.054 R)
• M2: 689,945 km (0.086 R)
• M3: 3,003,626 km (0.085 R)
• M4: 5,500,863 km (0.063 R)
• M5: 5,992,891 km (0.106 R)
• M6: 7,352,735 km (0.049 R)
• M7: 10,514,935 km (0.114 R)
• M8: 11,725,780 km (0.094 R)
• M9: 18,502,265 km (0.118 R)
• M10: 19,691,418 km (0.119 R)
• M11: 20,678,914 km (0.101 R)
• M12: 35,474,741 km (0.109 R)
• M13: 36,936,013 km (0.068 R)
• M14: 42,638,086 km (0.037 R)
• M15: 44,849,292 km (0.069 R)
• M16: 49,800,084 km (0.11 R)
• M17: 50,557,648 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.6

Radius: 3.1

Gravity: 78.83 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 14.9 AU - 23.8 AU

Year: 31089 Days

Day: 19.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 105,590,388 km

• M1: 39,045 km (0.107 R)
• M2: 328,218 km (0.085 R)
• M3: 921,523 km (0.1 R)
• M4: 1,497,774 km (0.108 R)
• M5: 2,047,696 km (0.119 R)
• M6: 2,888,436 km (0.082 R)
• M7: 6,947,026 km (0.092 R)
• M8: 8,084,269 km (0.114 R)
• M9: 8,847,218 km (0.113 R)
• M10: 8,968,692 km (0.117 R)
• M11: 9,850,571 km (0.05 R)
• M12: 10,514,935 km (0.06 R)
• M13: 11,422,396 km (0.055 R)
• M14: 11,931,926 km (0.103 R)
• M15: 14,965,771 km (0.086 R)
• M16: 19,792,546 km (0.066 R)
• M17: 26,431,401 km (0.074 R)
• M18: 27,321,059 km (0.105 R)
• M19: 40,095,820 km (0.054 R)
• M20: 50,514,713 km (0.031 R)
• M21: 53,475,404 km (0.085 R)
• M22: 54,081,126 km (0.116 R)
• M23: 54,283,981 km (0.086 R)
• M24: 54,691,336 km (0.116 R)
• M25: 57,599,967 km (0.115 R)
• M26: 61,710,019 km (0.108 R)
• M27: 65,549,299 km (0.086 R)
• M28: 69,305,402 km (0.06 R)
• M29: 80,632,804 km (0.036 R)
• M30: 91,396,071 km (0.052 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 19,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit