🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.68 AU - 0.74 AU

Year: 209 Days

Day: 24.5 Hours

Environment

Temp: 176 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.69 AU - 0.91 AU

Year: 250 Days

Day: 38.1 Hours

Environment

Temp: 143 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.74 AU - 1 AU

Year: 284 Days

Day: 35.7 Hours

Environment

Temp: 104 °C

Axial Tilt: 29.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.16 AU - 1.82 AU

Year: 636 Days

Day: 16.1 Hours

Environment

Temp: -2 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.45 AU - 5.72 AU

Year: 4006 Days

Day: 31.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.3

Radius: 11.5

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.12 AU - 6.76 AU

Year: 5065 Days

Day: 5.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,925,997 km

• M1: 151,991 km (0.108 R)
• M2: 528,230 km (0.057 R)
• M3: 994,975 km (0.108 R)
• M4: 2,634,119 km (0.111 R)
• M5: 3,148,586 km (0.053 R)
• M6: 3,945,943 km (0.107 R)
• M7: 5,939,933 km (0.116 R)
• M8: 9,868,373 km (0.065 R)
• M9: 11,614,180 km (0.095 R)
• M10: 12,560,536 km (0.099 R)
• M11: 13,303,290 km (0.101 R)
• M12: 14,606,287 km (0.104 R)
• M13: 16,337,883 km (0.094 R)
• M14: 17,163,214 km (0.063 R)
• M15: 17,647,163 km (0.07 R)
• M16: 18,769,446 km (0.078 R)
• M17: 22,927,669 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.3

Radius: 8

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.28 AU - 6.68 AU

Year: 5116 Days

Day: 6.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,925,997 km

• M1: 99,483 km (0.097 R)
• M2: 370,105 km (0.096 R)
• M3: 883,675 km (0.059 R)
• M4: 1,155,045 km (0.072 R)
• M5: 1,762,263 km (0.105 R)
• M6: 2,122,644 km (0.056 R)
• M7: 3,051,049 km (0.05 R)
• M8: 3,442,845 km (0.052 R)
• M9: 3,707,185 km (0.083 R)
• M10: 4,609,410 km (0.09 R)
• M11: 5,297,261 km (0.108 R)
• M12: 5,741,716 km (0.112 R)
• M13: 6,504,366 km (0.109 R)
• M14: 6,773,044 km (0.077 R)
• M15: 7,296,935 km (0.117 R)
• M16: 10,650,620 km (0.111 R)
• M17: 14,795,828 km (0.074 R)
• M18: 15,617,569 km (0.078 R)
• M19: 20,330,351 km (0.079 R)
• M20: 20,688,937 km (0.11 R)
• M21: 25,494,768 km (0.05 R)
• M22: 27,802,016 km (0.087 R)
• M23: 29,415,429 km (0.092 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 20,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit