🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.85 AU - 0.99 AU

Year: 318 Days

Day: 37.2 Hours

Environment

Temp: 104 °C

Axial Tilt: 14.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.79 AU - 1.17 AU

Year: 349 Days

Day: 28.3 Hours

Environment

Temp: 83 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.02 AU - 1.16 AU

Year: 410 Days

Day: 43.8 Hours

Environment

Temp: 35 °C

Axial Tilt: 29.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.37 AU - 5.17 AU

Year: 3176 Days

Day: 41.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.97 AU - 5.47 AU

Year: 3690 Days

Day: 14.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,347,314 km

• M1: 28,573 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.5

Radius: 13.4

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.66 AU - 11.2 AU

Year: 10422 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,347,314 km

• M1: 166,652 km (0.07 R)
• M2: 743,950 km (0.112 R)
• M3: 1,180,178 km (0.114 R)
• M4: 1,732,044 km (0.053 R)
• M5: 2,596,720 km (0.072 R)
• M6: 3,272,453 km (0.114 R)
• M7: 4,063,228 km (0.066 R)
• M8: 5,346,179 km (0.108 R)
• M9: 7,089,593 km (0.064 R)
• M10: 7,514,301 km (0.09 R)
• M11: 9,795,220 km (0.07 R)
• M12: 10,431,011 km (0.086 R)
• M13: 10,870,080 km (0.095 R)
• M14: 11,668,185 km (0.077 R)
• M15: 12,444,000 km (0.06 R)
• M16: 14,365,734 km (0.051 R)
• M17: 17,918,983 km (0.114 R)
• M18: 21,399,377 km (0.058 R)
• M19: 23,485,071 km (0.093 R)
• M20: 24,241,288 km (0.109 R)
• M21: 27,119,401 km (0.117 R)
• M22: 28,057,081 km (0.073 R)
• M23: 30,107,619 km (0.075 R)
• M24: 30,887,622 km (0.098 R)
• M25: 32,256,143 km (0.101 R)
• M26: 34,384,323 km (0.083 R)
• M27: 43,553,326 km (0.119 R)
• M28: 48,695,902 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.9

Radius: 3.6

Gravity: 68.82 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 15.35 AU - 15.97 AU

Year: 22303 Days

Day: 23.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,347,314 km

• M1: 79,436 km (0.091 R)
• M2: 236,514 km (0.084 R)
• M3: 468,241 km (0.112 R)
• M4: 1,203,664 km (0.047 R)
• M5: 2,862,705 km (0.068 R)
• M6: 4,351,652 km (0.116 R)
• M7: 4,716,522 km (0.087 R)
• M8: 6,803,861 km (0.069 R)
• M9: 7,294,542 km (0.086 R)
• M10: 8,737,114 km (0.113 R)
• M11: 9,676,140 km (0.115 R)
• M12: 10,876,064 km (0.114 R)
• M13: 11,074,132 km (0.105 R)
• M14: 13,415,189 km (0.083 R)
• M15: 19,046,203 km (0.09 R)
• M16: 20,314,792 km (0.114 R)
• M17: 22,587,932 km (0.11 R)
• M18: 26,070,571 km (0.115 R)
• M19: 30,283,396 km (0.109 R)
• M20: 31,470,006 km (0.069 R)
• M21: 37,119,720 km (0.094 R)
• M22: 69,357,014 km (0.06 R)
• M23: 73,040,712 km (0.098 R)
• M24: 82,561,270 km (0.085 R)

Kuiper Belt

Range: 30.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 11,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit