🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.5 AU - 0.82 AU

Year: 187 Days

Day: 16.4 Hours

Environment

Temp: 220 °C

Axial Tilt: 24.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.81 AU - 0.89 AU

Year: 273 Days

Day: 23.9 Hours

Environment

Temp: 195 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.89 AU - 1.15 AU

Year: 359 Days

Day: 43.4 Hours

Environment

Temp: 104 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,280,479 km

• M1: 639,680 km (0.097 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.07 AU - 1.55 AU

Year: 522 Days

Day: 18.6 Hours

Environment

Temp: 14 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.78 AU - 1.86 AU

Year: 855 Days

Day: 44.5 Hours

Environment

Temp: -36 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.69 AU - 2.61 AU

Year: 1098 Days

Day: 42.8 Hours

Environment

Temp: -50 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.99 AU - 2.87 AU

Year: 1319 Days

Day: 24.4 Hours

Environment

Temp: -64 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 12.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.76 AU - 8.2 AU

Year: 7851 Days

Day: 10.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,280,479 km

• M1: 155,432 km (0.114 R)
• M2: 778,507 km (0.094 R)
• M3: 1,564,943 km (0.078 R)
• M4: 2,445,177 km (0.04 R)
• M5: 3,214,260 km (0.116 R)
• M6: 4,867,915 km (0.073 R)
• M7: 5,550,530 km (0.096 R)
• M8: 7,068,948 km (0.11 R)
• M9: 12,525,531 km (0.085 R)
• M10: 13,098,191 km (0.036 R)
• M11: 13,628,366 km (0.052 R)
• M12: 14,921,490 km (0.116 R)
• M13: 17,046,827 km (0.091 R)
• M14: 18,991,300 km (0.109 R)
• M15: 22,470,348 km (0.089 R)
• M16: 30,559,703 km (0.045 R)
• M17: 31,809,145 km (0.114 R)
• M18: 32,983,937 km (0.117 R)
• M19: 37,383,162 km (0.06 R)
• M20: 42,158,924 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.1

Radius: 7.7

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 12.81 AU - 13.91 AU

Year: 17006 Days

Day: 24.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,280,479 km

• M1: 95,892 km (0.045 R)
• M2: 541,993 km (0.102 R)
• M3: 857,046 km (0.092 R)
• M4: 1,402,779 km (0.082 R)
• M5: 1,976,936 km (0.06 R)
• M6: 2,358,410 km (0.103 R)
• M7: 3,070,795 km (0.101 R)
• M8: 5,653,603 km (0.087 R)
• M9: 5,915,848 km (0.088 R)
• M10: 7,846,857 km (0.094 R)
• M11: 8,904,514 km (0.031 R)
• M12: 10,608,583 km (0.093 R)
• M13: 11,537,437 km (0.108 R)
• M14: 11,838,577 km (0.117 R)
• M15: 15,073,182 km (0.078 R)
• M16: 21,184,704 km (0.06 R)
• M17: 21,910,703 km (0.095 R)
• M18: 29,209,283 km (0.096 R)
• M19: 30,336,204 km (0.08 R)
• M20: 32,916,767 km (0.083 R)
• M21: 35,008,595 km (0.119 R)
• M22: 41,390,290 km (0.109 R)
• M23: 42,524,092 km (0.056 R)
• M24: 45,002,181 km (0.086 R)
• M25: 45,449,179 km (0.071 R)
• M26: 46,200,909 km (0.1 R)
• M27: 53,177,106 km (0.098 R)
• M28: 56,741,126 km (0.047 R)
• M29: 59,203,657 km (0.085 R)

Kuiper Belt

Range: 31.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 18,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit