🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.61 AU - 0.65 AU

Year: 183 Days

Day: 17.6 Hours

Environment

Temp: 198 °C

Axial Tilt: 47.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.61 AU - 0.73 AU

Year: 200 Days

Day: 18 Hours

Environment

Temp: 125 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.51 AU - 1.57 AU

Year: 698 Days

Day: 30 Hours

Environment

Temp: -30 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2 AU - 2 AU

Year: 1033 Days

Day: 43.2 Hours

Environment

Temp: -64 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,624,246 km

• M1: 27,975 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.19 AU - 4.41 AU

Year: 3257 Days

Day: 27.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.3

Radius: 14.8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.94 AU - 12.74 AU

Year: 13036 Days

Day: 7.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,624,246 km

• M1: 192,832 km (0.071 R)
• M2: 766,240 km (0.115 R)
• M3: 1,248,394 km (0.11 R)
• M4: 1,959,882 km (0.032 R)
• M5: 2,707,123 km (0.104 R)
• M6: 4,455,773 km (0.1 R)
• M7: 7,081,514 km (0.084 R)
• M8: 8,848,714 km (0.103 R)
• M9: 11,601,913 km (0.117 R)
• M10: 12,720,157 km (0.051 R)
• M11: 15,099,063 km (0.032 R)
• M12: 17,601,087 km (0.102 R)
• M13: 19,844,906 km (0.09 R)
• M14: 24,693,821 km (0.093 R)
• M15: 27,284,408 km (0.05 R)
• M16: 29,483,796 km (0.102 R)
• M17: 38,651,901 km (0.061 R)
• M18: 40,437,651 km (0.06 R)
• M19: 42,134,240 km (0.112 R)
• M20: 45,518,144 km (0.028 R)
• M21: 48,132,965 km (0.064 R)
• M22: 51,828,033 km (0.044 R)
• M23: 52,323,501 km (0.119 R)
• M24: 59,959,275 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.8

Radius: 11.3

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 9.01 AU - 14.77 AU

Year: 14975 Days

Day: 13.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,624,246 km

• M1: 140,772 km (0.071 R)
• M2: 592,856 km (0.089 R)
• M3: 1,083,089 km (0.097 R)
• M4: 2,139,250 km (0.047 R)
• M5: 2,900,404 km (0.107 R)
• M6: 3,471,419 km (0.072 R)
• M7: 4,168,844 km (0.067 R)
• M8: 4,636,337 km (0.119 R)
• M9: 5,230,989 km (0.116 R)
• M10: 5,611,865 km (0.059 R)
• M11: 6,011,291 km (0.05 R)
• M12: 7,561,424 km (0.061 R)
• M13: 8,008,273 km (0.114 R)
• M14: 8,689,542 km (0.041 R)
• M15: 9,316,955 km (0.1 R)
• M16: 10,864,994 km (0.098 R)
• M17: 11,329,645 km (0.1 R)
• M18: 13,676,387 km (0.074 R)
• M19: 14,036,170 km (0.111 R)
• M20: 14,464,020 km (0.067 R)
• M21: 14,900,546 km (0.102 R)
• M22: 15,734,704 km (0.073 R)
• M23: 17,147,357 km (0.099 R)
• M24: 20,146,644 km (0.11 R)
• M25: 22,055,812 km (0.025 R)
• M26: 23,393,666 km (0.115 R)
• M27: 25,410,844 km (0.094 R)
• M28: 26,230,790 km (0.079 R)
• M29: 29,788,377 km (0.112 R)
• M30: 31,214,493 km (0.116 R)
• M31: 41,113,085 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 18,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit