🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.55 AU - 0.65 AU

Year: 170 Days

Day: 36.8 Hours

Environment

Temp: 211 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.63 AU - 0.79 AU

Year: 219 Days

Day: 47.8 Hours

Environment

Temp: 128 °C

Axial Tilt: 38.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.73 AU - 0.95 AU

Year: 281 Days

Day: 22.3 Hours

Environment

Temp: 145 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.01 AU - 1.05 AU

Year: 382 Days

Day: 25.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 5.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 84,581,195 km

• M1: 160,519 km (0.085 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.85 AU - 1.33 AU

Year: 416 Days

Day: 17.6 Hours

Environment

Temp: 25 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Ice Giant

Semi-Major Axis: 14.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.1

Radius: 4.8

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 10.94 AU - 17.34 AU

Year: 19421 Days

Day: 16.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,581,195 km

• M1: 72,405 km (0.099 R)
• M2: 245,789 km (0.062 R)
• M3: 441,164 km (0.119 R)
• M4: 1,001,259 km (0.038 R)
• M5: 1,692,850 km (0.105 R)
• M6: 2,061,010 km (0.055 R)
• M7: 2,461,334 km (0.083 R)
• M8: 2,659,701 km (0.081 R)
• M9: 4,743,000 km (0.07 R)
• M10: 4,926,108 km (0.093 R)
• M11: 5,672,751 km (0.057 R)
• M12: 6,833,332 km (0.12 R)
• M13: 7,106,796 km (0.069 R)
• M14: 9,857,452 km (0.083 R)
• M15: 15,065,553 km (0.058 R)
• M16: 15,528,857 km (0.115 R)
• M17: 22,021,704 km (0.1 R)
• M18: 29,908,803 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.5

Radius: 7.3

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 16.44 AU - 18.58 AU

Year: 26762 Days

Day: 19.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,581,195 km

• M1: 90,806 km (0.087 R)
• M2: 600,187 km (0.069 R)
• M3: 978,220 km (0.068 R)
• M4: 1,610,271 km (0.115 R)
• M5: 3,382,408 km (0.073 R)
• M6: 11,430,923 km (0.107 R)
• M7: 13,995,030 km (0.038 R)
• M8: 14,770,247 km (0.029 R)
• M9: 17,092,754 km (0.109 R)
• M10: 22,343,489 km (0.114 R)
• M11: 22,657,346 km (0.087 R)
• M12: 22,974,194 km (0.088 R)
• M13: 27,366,686 km (0.089 R)
• M14: 43,349,873 km (0.054 R)
• M15: 44,495,343 km (0.107 R)
• M16: 56,692,806 km (0.099 R)
• M17: 74,143,846 km (0.12 R)
• M18: 78,884,453 km (0.089 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 17,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit