🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.44 AU - 0.68 AU

Year: 155 Days

Day: 33.7 Hours

Environment

Temp: 229 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.66 AU - 0.72 AU

Year: 211 Days

Day: 17.4 Hours

Environment

Temp: 203 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.28 AU - 1.34 AU

Year: 553 Days

Day: 25 Hours

Environment

Temp: -17 °C

Axial Tilt: 7.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.3

Radius: 9.1

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.68 AU - 6.4 AU

Year: 4811 Days

Day: 9.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,187,400 km

• M1: 113,694 km (0.063 R)
• M2: 399,875 km (0.105 R)
• M3: 1,045,240 km (0.078 R)
• M4: 1,505,553 km (0.109 R)
• M5: 2,150,021 km (0.084 R)
• M6: 4,317,245 km (0.112 R)
• M7: 4,728,938 km (0.092 R)
• M8: 5,884,731 km (0.085 R)
• M9: 6,346,540 km (0.12 R)
• M10: 6,975,749 km (0.05 R)
• M11: 8,009,769 km (0.101 R)
• M12: 8,999,210 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.6

Radius: 4.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 14.08 AU - 17.32 AU

Year: 22952 Days

Day: 24.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,187,400 km

• M1: 85,869 km (0.09 R)
• M2: 319,541 km (0.108 R)
• M3: 712,834 km (0.119 R)
• M4: 1,118,244 km (0.082 R)
• M5: 1,906,475 km (0.058 R)
• M6: 2,260,873 km (0.106 R)
• M7: 2,482,277 km (0.116 R)
• M8: 3,564,618 km (0.116 R)
• M9: 4,838,444 km (0.116 R)
• M10: 4,989,687 km (0.079 R)
• M11: 5,560,852 km (0.071 R)
• M12: 6,316,471 km (0.072 R)
• M13: 8,071,553 km (0.057 R)
• M14: 9,313,963 km (0.091 R)
• M15: 13,496,421 km (0.113 R)
• M16: 15,043,263 km (0.111 R)
• M17: 22,667,219 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.5

Radius: 7.1

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 15.6 AU - 21.46 AU

Year: 29430 Days

Day: 24.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,187,400 km

• M1: 103,073 km (0.111 R)
• M2: 1,111,512 km (0.099 R)
• M3: 2,667,180 km (0.109 R)
• M4: 5,076,903 km (0.085 R)
• M5: 5,633,706 km (0.026 R)
• M6: 6,544,159 km (0.079 R)
• M7: 7,751,862 km (0.1 R)
• M8: 10,104,139 km (0.098 R)
• M9: 10,350,377 km (0.115 R)
• M10: 13,257,513 km (0.1 R)
• M11: 14,621,397 km (0.066 R)
• M12: 18,253,633 km (0.049 R)
• M13: 22,237,873 km (0.095 R)
• M14: 42,504,345 km (0.087 R)
• M15: 43,470,748 km (0.114 R)
• M16: 46,457,918 km (0.057 R)
• M17: 49,402,004 km (0.072 R)
• M18: 63,672,145 km (0.05 R)
• M19: 64,936,696 km (0.084 R)
• M20: 65,789,104 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 14,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit