🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.49 AU - 0.51 AU

Year: 128 Days

Day: 35.8 Hours

Environment

Temp: 261 °C

Axial Tilt: 47.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.65 AU - 0.67 AU

Year: 194 Days

Day: 24.2 Hours

Environment

Temp: 144 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 108,601,988 km

• M1: 30,967 km (0.09 R)
• M2: 303,384 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.34 AU - 1.34 AU

Year: 561 Days

Day: 17.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 20.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.51 AU - 1.69 AU

Year: 732 Days

Day: 15.3 Hours

Environment

Temp: -42 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.13 AU - 3.35 AU

Year: 1640 Days

Day: 23.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.3

Radius: 12.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 10.61 AU - 12.59 AU

Year: 14288 Days

Day: 14.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 108,601,988 km

• M1: 157,078 km (0.1 R)
• M2: 1,006,794 km (0.114 R)
• M3: 1,702,274 km (0.112 R)
• M4: 2,577,272 km (0.101 R)
• M5: 4,368,407 km (0.11 R)
• M6: 7,621,114 km (0.102 R)
• M7: 10,331,528 km (0.064 R)
• M8: 11,306,757 km (0.114 R)
• M9: 14,077,908 km (0.026 R)
• M10: 19,040,667 km (0.113 R)
• M11: 25,930,248 km (0.091 R)
• M12: 29,182,206 km (0.101 R)
• M13: 32,696,859 km (0.109 R)
• M14: 39,899,846 km (0.037 R)
• M15: 44,918,705 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.2

Radius: 7.9

Gravity: 15.47 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 16.63 AU - 20.33 AU

Year: 28730 Days

Day: 19.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 179.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 108,601,988 km

• M1: 104,270 km (0.099 R)
• M2: 612,753 km (0.113 R)
• M3: 1,350,719 km (0.119 R)
• M4: 1,773,333 km (0.082 R)
• M5: 2,969,667 km (0.11 R)
• M6: 4,177,521 km (0.074 R)
• M7: 4,911,747 km (0.097 R)
• M8: 6,052,131 km (0.076 R)
• M9: 9,341,041 km (0.12 R)
• M10: 11,149,081 km (0.114 R)
• M11: 12,023,031 km (0.075 R)
• M12: 26,715,786 km (0.11 R)
• M13: 44,783,469 km (0.063 R)
• M14: 45,507,971 km (0.116 R)
• M15: 46,240,403 km (0.087 R)
• M16: 49,827,012 km (0.113 R)
• M17: 53,189,523 km (0.117 R)
• M18: 57,975,458 km (0.116 R)
• M19: 76,848,127 km (0.091 R)
• M20: 99,740,491 km (0.117 R)
• M21: 102,221,123 km (0.084 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 19,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit