🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.8 AU - 2.4 AU

Year: 1172 Days

Day: 12.6 Hours

Environment

Temp: -79 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,916,338 km

• M1: 194,627 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.24 AU - 2.26 AU

Year: 1299 Days

Day: 23.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,916,338 km

• M1: 219,610 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.59 AU - 2.83 AU

Year: 1718 Days

Day: 32 Hours

Environment

Temp: -108 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.55 AU - 3.61 AU

Year: 2081 Days

Day: 44.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.17 AU - 3.17 AU

Year: 2173 Days

Day: 31.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.35 AU - 3.71 AU

Year: 2553 Days

Day: 16.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,916,338 km

• M1: 310,116 km (0.092 R)

Asteroid Belt

Center: 4.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.7

Radius: 14.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5 AU - 6.28 AU

Year: 5157 Days

Day: 9 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,916,338 km

• M1: 176,077 km (0.085 R)
• M2: 669,151 km (0.082 R)
• M3: 2,243,818 km (0.085 R)
• M4: 2,830,990 km (0.113 R)
• M5: 5,815,318 km (0.109 R)
• M6: 7,348,995 km (0.112 R)
• M7: 7,817,386 km (0.092 R)
• M8: 9,680,777 km (0.115 R)
• M9: 12,268,970 km (0.083 R)
• M10: 15,000,926 km (0.102 R)
• M11: 15,522,125 km (0.083 R)
• M12: 20,701,204 km (0.064 R)
• M13: 27,101,449 km (0.099 R)
• M14: 28,224,331 km (0.116 R)
• M15: 29,739,458 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.3

Radius: 10.3

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.75 AU - 9.39 AU

Year: 8019 Days

Day: 10.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,916,338 km

• M1: 128,056 km (0.064 R)
• M2: 494,421 km (0.033 R)
• M3: 1,141,731 km (0.074 R)
• M4: 1,730,548 km (0.094 R)
• M5: 2,087,189 km (0.083 R)
• M6: 2,455,799 km (0.111 R)
• M7: 3,326,159 km (0.082 R)
• M8: 3,986,783 km (0.048 R)
• M9: 4,850,711 km (0.043 R)
• M10: 5,902,534 km (0.076 R)
• M11: 6,684,182 km (0.066 R)
• M12: 7,453,116 km (0.067 R)
• M13: 8,627,608 km (0.06 R)
• M14: 9,873,011 km (0.062 R)
• M15: 12,042,778 km (0.083 R)
• M16: 15,734,255 km (0.105 R)
• M17: 18,675,200 km (0.111 R)
• M18: 19,809,002 km (0.115 R)
• M19: 20,196,909 km (0.056 R)
• M20: 20,987,983 km (0.12 R)
• M21: 21,799,551 km (0.09 R)
• M22: 22,970,603 km (0.095 R)
• M23: 28,077,127 km (0.036 R)
• M24: 32,263,025 km (0.106 R)
• M25: 32,908,540 km (0.105 R)
• M26: 34,225,450 km (0.107 R)
• M27: 34,672,149 km (0.108 R)
• M28: 38,869,117 km (0.059 R)
• M29: 41,467,483 km (0.114 R)
• M30: 42,102,825 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 16,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit