🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.49 AU - 0.81 AU

Year: 201 Days

Day: 37.3 Hours

Environment

Temp: 135 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.77 AU - 1.17 AU

Year: 366 Days

Day: 46 Hours

Environment

Temp: -3 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.81 AU - 1.29 AU

Year: 412 Days

Day: 39.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 80,976,919 km

• M1: 576,401 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.48 AU - 2.08 AU

Year: 909 Days

Day: 35 Hours

Environment

Temp: -70 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.72 AU - 2.22 AU

Year: 1059 Days

Day: 43.4 Hours

Environment

Temp: -87 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.52 AU - 3.12 AU

Year: 1813 Days

Day: 28.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.63 AU - 4.35 AU

Year: 3052 Days

Day: 20 Hours

Environment

Temp: -139 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.61 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799

Radius: 3.8

Gravity: 55.33 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 10.22 AU - 16.22 AU

Year: 18404 Days

Day: 18.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,976,919 km

• M1: 47,722 km (0.075 R)
• M2: 282,890 km (0.075 R)
• M3: 662,270 km (0.103 R)
• M4: 909,854 km (0.079 R)
• M5: 1,554,471 km (0.025 R)
• M6: 1,894,208 km (0.118 R)
• M7: 2,768,757 km (0.119 R)
• M8: 3,050,001 km (0.077 R)
• M9: 4,008,924 km (0.104 R)
• M10: 4,268,626 km (0.083 R)
• M11: 5,778,966 km (0.094 R)
• M12: 6,542,214 km (0.101 R)
• M13: 8,266,180 km (0.079 R)
• M14: 9,287,933 km (0.099 R)
• M15: 9,916,544 km (0.117 R)
• M16: 12,784,484 km (0.12 R)
• M17: 13,705,858 km (0.053 R)
• M18: 15,600,365 km (0.066 R)
• M19: 15,838,824 km (0.116 R)
• M20: 16,486,583 km (0.098 R)
• M21: 16,816,895 km (0.062 R)
• M22: 21,327,869 km (0.069 R)
• M23: 28,548,958 km (0.074 R)
• M24: 29,385,959 km (0.078 R)
• M25: 34,083,780 km (0.113 R)
• M26: 40,143,541 km (0.115 R)
• M27: 41,042,325 km (0.074 R)
• M28: 50,086,863 km (0.04 R)
• M29: 54,703,005 km (0.058 R)
• M30: 56,738,583 km (0.098 R)
• M31: 57,491,060 km (0.117 R)
• M32: 59,788,584 km (0.113 R)
• M33: 72,418,833 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.1

Radius: 6.1

Gravity: 25.91 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 12.16 AU - 14.38 AU

Year: 18509 Days

Day: 20.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,976,919 km

• M1: 76,145 km (0.068 R)
• M2: 317,447 km (0.12 R)
• M3: 532,120 km (0.058 R)
• M4: 891,155 km (0.054 R)
• M5: 2,348,687 km (0.104 R)
• M6: 2,652,969 km (0.076 R)
• M7: 2,904,592 km (0.062 R)
• M8: 3,227,574 km (0.101 R)
• M9: 3,456,010 km (0.107 R)
• M10: 4,206,991 km (0.111 R)
• M11: 4,621,078 km (0.03 R)
• M12: 5,253,578 km (0.103 R)
• M13: 5,530,184 km (0.088 R)
• M14: 5,816,365 km (0.099 R)
• M15: 6,155,653 km (0.045 R)
• M16: 10,433,105 km (0.103 R)
• M17: 11,255,445 km (0.068 R)
• M18: 12,885,762 km (0.089 R)
• M19: 16,272,359 km (0.072 R)
• M20: 19,450,266 km (0.114 R)
• M21: 21,583,233 km (0.111 R)
• M22: 21,784,592 km (0.111 R)
• M23: 22,705,965 km (0.081 R)
• M24: 27,351,876 km (0.084 R)
• M25: 28,303,319 km (0.045 R)
• M26: 31,033,181 km (0.055 R)
• M27: 31,677,200 km (0.061 R)
• M28: 36,866,151 km (0.061 R)
• M29: 37,733,969 km (0.048 R)
• M30: 38,615,399 km (0.09 R)
• M31: 41,652,685 km (0.051 R)
• M32: 47,855,162 km (0.093 R)
• M33: 58,269,867 km (0.051 R)
• M34: 66,204,388 km (0.113 R)
• M35: 80,010,028 km (0.047 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 13,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit