🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.62 AU - 0.84 AU

Year: 218 Days

Day: 39.9 Hours

Environment

Temp: 144 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.66 AU - 1.02 AU

Year: 269 Days

Day: 12.9 Hours

Environment

Temp: 191 °C

Axial Tilt: 27.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.77 AU - 0.99 AU

Year: 289 Days

Day: 26.5 Hours

Environment

Temp: 97 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,702,658 km

• M1: 17,802 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.92 AU - 0.96 AU

Year: 319 Days

Day: 12.7 Hours

Environment

Temp: 177 °C

Axial Tilt: 44.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.13 AU - 1.17 AU

Year: 431 Days

Day: 26.7 Hours

Environment

Temp: 46 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.47 AU - 2.81 AU

Year: 1501 Days

Day: 44.6 Hours

Environment

Temp: -85 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,702,658 km

• M1: 38,297 km (0.032 R)

Asteroid Belt

Center: 4.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 10.3

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.84 AU - 6.44 AU

Year: 5323 Days

Day: 12.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,702,658 km

• M1: 128,056 km (0.119 R)
• M2: 703,409 km (0.088 R)
• M3: 1,066,483 km (0.084 R)
• M4: 1,616,255 km (0.113 R)
• M5: 2,239,331 km (0.106 R)
• M6: 3,167,735 km (0.106 R)
• M7: 3,549,808 km (0.085 R)
• M8: 3,917,669 km (0.095 R)
• M9: 4,807,477 km (0.091 R)
• M10: 7,084,357 km (0.107 R)
• M11: 7,848,802 km (0.091 R)
• M12: 8,705,998 km (0.094 R)
• M13: 9,748,695 km (0.044 R)
• M14: 10,257,178 km (0.092 R)
• M15: 11,327,252 km (0.043 R)
• M16: 14,111,418 km (0.042 R)
• M17: 17,200,165 km (0.069 R)
• M18: 17,569,073 km (0.099 R)
• M19: 18,069,179 km (0.066 R)
• M20: 19,626,642 km (0.103 R)
• M21: 22,491,142 km (0.112 R)
• M22: 23,756,591 km (0.084 R)
• M23: 24,678,114 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.1

Radius: 7.7

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 13.76 AU - 21.98 AU

Year: 26428 Days

Day: 21.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,702,658 km

• M1: 95,892 km (0.053 R)
• M2: 448,794 km (0.037 R)
• M3: 872,305 km (0.077 R)
• M4: 1,333,366 km (0.101 R)
• M5: 1,651,112 km (0.1 R)
• M6: 3,979,603 km (0.082 R)
• M7: 4,804,934 km (0.084 R)
• M8: 5,522,106 km (0.071 R)
• M9: 5,887,873 km (0.077 R)
• M10: 10,596,616 km (0.051 R)
• M11: 18,530,688 km (0.104 R)
• M12: 23,062,905 km (0.067 R)
• M13: 26,910,862 km (0.065 R)
• M14: 29,259,848 km (0.092 R)
• M15: 30,259,161 km (0.075 R)
• M16: 36,228,116 km (0.086 R)
• M17: 39,756,083 km (0.09 R)
• M18: 40,706,777 km (0.1 R)
• M19: 51,702,370 km (0.1 R)
• M20: 52,997,888 km (0.094 R)

Kuiper Belt

Range: 31.4 - 58.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 11,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit