🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.38 AU - 0.62 AU

Year: 133 Days

Day: 16.2 Hours

Environment

Temp: 194 °C

Axial Tilt: 5.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.62 AU - 0.64 AU

Year: 188 Days

Day: 25.5 Hours

Environment

Temp: 135 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.6 AU - 0.84 AU

Year: 230 Days

Day: 19.3 Hours

Environment

Temp: 124 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.05 AU - 1.33 AU

Year: 489 Days

Day: 18.7 Hours

Environment

Temp: 8 °C

Axial Tilt: 34.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 64,190,098 km

• M1: 42,486 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.62 AU - 2.42 AU

Year: 1082 Days

Day: 16.8 Hours

Environment

Temp: -69 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,190,098 km

• M1: 39,943 km (0.103 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.38 AU - 3.38 AU

Year: 2341 Days

Day: 27.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,190,098 km

• M1: 861,235 km (0.064 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.42 AU - 4.98 AU

Year: 3243 Days

Day: 29.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 55.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.1

Radius: 11.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.75 AU - 7.07 AU

Year: 5413 Days

Day: 14.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,190,098 km

• M1: 138,079 km (0.092 R)
• M2: 516,561 km (0.096 R)
• M3: 971,788 km (0.066 R)
• M4: 1,359,695 km (0.075 R)
• M5: 2,493,198 km (0.064 R)
• M6: 4,630,353 km (0.09 R)
• M7: 5,121,782 km (0.107 R)
• M8: 5,840,301 km (0.065 R)
• M9: 7,217,948 km (0.1 R)
• M10: 9,480,017 km (0.09 R)
• M11: 11,816,287 km (0.056 R)
• M12: 12,642,516 km (0.065 R)
• M13: 13,069,768 km (0.073 R)
• M14: 15,730,665 km (0.075 R)
• M15: 16,225,385 km (0.091 R)
• M16: 17,245,942 km (0.072 R)
• M17: 18,188,408 km (0.114 R)
• M18: 23,281,617 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.5

Radius: 9.4

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 9.07 AU - 12.15 AU

Year: 13020 Days

Day: 10.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,190,098 km

• M1: 127,607 km (0.05 R)
• M2: 606,769 km (0.056 R)
• M3: 906,713 km (0.064 R)
• M4: 1,204,562 km (0.074 R)
• M5: 2,635,166 km (0.107 R)
• M6: 3,156,365 km (0.116 R)
• M7: 3,888,497 km (0.047 R)
• M8: 5,464,062 km (0.12 R)
• M9: 6,811,789 km (0.076 R)
• M10: 7,471,965 km (0.086 R)
• M11: 8,566,423 km (0.106 R)
• M12: 14,803,756 km (0.098 R)
• M13: 17,071,211 km (0.06 R)
• M14: 19,215,697 km (0.056 R)
• M15: 19,647,736 km (0.101 R)
• M16: 22,000,012 km (0.086 R)
• M17: 22,759,970 km (0.104 R)
• M18: 24,232,013 km (0.101 R)
• M19: 26,397,891 km (0.072 R)
• M20: 31,707,418 km (0.076 R)
• M21: 32,189,722 km (0.118 R)
• M22: 37,018,591 km (0.12 R)
• M23: 37,957,917 km (0.111 R)
• M24: 41,585,964 km (0.091 R)
• M25: 42,164,010 km (0.067 R)
• M26: 43,040,953 km (0.099 R)
• M27: 43,483,912 km (0.116 R)
• M28: 44,680,246 km (0.114 R)
• M29: 45,286,567 km (0.062 R)
• M30: 45,898,272 km (0.114 R)
• M31: 49,200,944 km (0.057 R)
• M32: 49,685,193 km (0.104 R)
• M33: 51,654,649 km (0.045 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: 344 - 10,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit