🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.48 AU - 0.64 AU

Year: 147 Days

Day: 39.1 Hours

Environment

Temp: 190 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 64,372,128 km

• M1: 19,747 km (0.117 R)
• M2: 180,864 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.57 AU - 0.81 AU

Year: 201 Days

Day: 26.4 Hours

Environment

Temp: 190 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.01 AU - 1.33 AU

Year: 443 Days

Day: 22.3 Hours

Environment

Temp: 35 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.91 AU - 1.45 AU

Year: 448 Days

Day: 19.8 Hours

Environment

Temp: 34 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.22 AU - 1.58 AU

Year: 580 Days

Day: 16.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 17.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.42 AU - 3.36 AU

Year: 1719 Days

Day: 29 Hours

Environment

Temp: -92 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.04 AU - 5.18 AU

Year: 3463 Days

Day: 29.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 20.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.5

Radius: 4.4

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 17.07 AU - 24.27 AU

Year: 32877 Days

Day: 15.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,372,128 km

• M1: 119,080 km (0.071 R)
• M2: 308,471 km (0.095 R)
• M3: 461,958 km (0.105 R)
• M4: 1,292,825 km (0.052 R)
• M5: 3,260,037 km (0.054 R)
• M6: 5,204,211 km (0.116 R)
• M7: 10,126,280 km (0.106 R)
• M8: 12,603,770 km (0.114 R)
• M9: 12,931,240 km (0.099 R)
• M10: 19,312,487 km (0.075 R)
• M11: 22,400,486 km (0.1 R)
• M12: 24,161,253 km (0.075 R)
• M13: 33,357,034 km (0.067 R)
• M14: 38,723,110 km (0.111 R)
• M15: 42,261,997 km (0.093 R)
• M16: 43,735,985 km (0.047 R)
• M17: 54,505,236 km (0.109 R)
• M18: 57,852,339 km (0.034 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 18,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit