🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.45 AU - 0.61 AU

Year: 167 Days

Day: 33.8 Hours

Environment

Temp: 25 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.5 AU - 0.8 AU

Year: 227 Days

Day: 18.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 44 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.83 AU - 0.85 AU

Year: 334 Days

Day: 26.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,670,888 km

• M1: 32,463 km (0.056 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.91 AU - 1.37 AU

Year: 528 Days

Day: 37.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.5 AU - 2.1 AU

Year: 1047 Days

Day: 41.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,670,888 km

• M1: 20,495 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.5

Radius: 9.3

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.63 AU - 3.43 AU

Year: 2286 Days

Day: 9.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,670,888 km

• M1: 116,088 km (0.117 R)
• M2: 408,253 km (0.112 R)
• M3: 1,336,956 km (0.107 R)
• M4: 2,127,581 km (0.074 R)
• M5: 2,714,902 km (0.107 R)
• M6: 3,019,633 km (0.025 R)
• M7: 3,542,926 km (0.114 R)
• M8: 4,280,893 km (0.026 R)
• M9: 4,658,777 km (0.107 R)
• M10: 6,421,638 km (0.113 R)
• M11: 8,759,554 km (0.071 R)
• M12: 9,281,501 km (0.118 R)
• M13: 9,824,092 km (0.119 R)
• M14: 10,260,619 km (0.118 R)
• M15: 10,873,671 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.8

Radius: 14.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.99 AU - 4.51 AU

Year: 3148 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,670,888 km

• M1: 179,218 km (0.082 R)
• M2: 644,767 km (0.064 R)
• M3: 1,223,561 km (0.097 R)
• M4: 2,113,668 km (0.07 R)
• M5: 3,265,422 km (0.091 R)
• M6: 4,202,653 km (0.079 R)
• M7: 5,076,155 km (0.091 R)
• M8: 6,638,106 km (0.092 R)
• M9: 7,303,817 km (0.03 R)
• M10: 9,252,180 km (0.088 R)
• M11: 9,825,887 km (0.114 R)
• M12: 10,730,805 km (0.055 R)
• M13: 11,856,230 km (0.112 R)
• M14: 13,237,018 km (0.068 R)
• M15: 13,689,851 km (0.049 R)
• M16: 15,062,112 km (0.1 R)
• M17: 16,317,089 km (0.067 R)
• M18: 19,437,850 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 16,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit