🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.75 AU - 1.13 AU

Year: 347 Days

Day: 43.2 Hours

Environment

Temp: 20 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.12 AU - 1.64 AU

Year: 617 Days

Day: 28.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.91 AU - 3.33 AU

Year: 2099 Days

Day: 18.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.19 AU - 3.95 AU

Year: 2569 Days

Day: 39.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,443,855 km

• M1: 1,619,397 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3 AU - 4.38 AU

Year: 2699 Days

Day: 45.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,443,855 km

• M1: 534,064 km (0.112 R)

Asteroid Belt

Center: 4.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.3

Radius: 13.2

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.37 AU - 6.99 AU

Year: 5155 Days

Day: 6.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,443,855 km

• M1: 164,109 km (0.065 R)
• M2: 927,357 km (0.12 R)
• M3: 1,703,022 km (0.1 R)
• M4: 4,584,726 km (0.116 R)
• M5: 5,153,796 km (0.098 R)
• M6: 5,950,704 km (0.081 R)
• M7: 6,972,906 km (0.107 R)
• M8: 7,419,456 km (0.08 R)
• M9: 9,652,803 km (0.086 R)
• M10: 10,824,902 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.2

Radius: 10

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.1 AU - 8.2 AU

Year: 8860 Days

Day: 11.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,443,855 km

• M1: 156,180 km (0.067 R)
• M2: 566,677 km (0.106 R)
• M3: 1,020,856 km (0.101 R)
• M4: 2,018,524 km (0.057 R)
• M5: 2,922,993 km (0.088 R)
• M6: 3,523,927 km (0.057 R)
• M7: 4,660,273 km (0.062 R)
• M8: 6,327,541 km (0.087 R)
• M9: 8,652,142 km (0.082 R)
• M10: 9,390,109 km (0.099 R)
• M11: 12,932,886 km (0.059 R)
• M12: 15,277,683 km (0.109 R)
• M13: 16,161,357 km (0.057 R)
• M14: 17,012,120 km (0.116 R)
• M15: 17,755,173 km (0.103 R)
• M16: 21,175,279 km (0.112 R)
• M17: 23,409,075 km (0.107 R)
• M18: 27,047,445 km (0.089 R)
• M19: 34,026,933 km (0.099 R)
• M20: 36,633,826 km (0.08 R)
• M21: 38,214,327 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 18,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit