🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.43 AU - 0.71 AU

Year: 156 Days

Day: 28.1 Hours

Environment

Temp: 195 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,275,744 km

• M1: 319,391 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.98 AU - 1.28 AU

Year: 437 Days

Day: 47.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 49 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.11 AU - 1.29 AU

Year: 478 Days

Day: 47.2 Hours

Environment

Temp: 23 °C

Axial Tilt: 1.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 50,275,744 km

• M1: 101,128 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.36 AU - 2.96 AU

Year: 1577 Days

Day: 17.4 Hours

Environment

Temp: -94 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.28 AU - 3.32 AU

Year: 1703 Days

Day: 22.2 Hours

Environment

Temp: -104 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.8

Radius: 12.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.01 AU - 9.37 AU

Year: 7750 Days

Day: 10.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,275,744 km

• M1: 153,039 km (0.08 R)
• M2: 587,022 km (0.1 R)
• M3: 1,402,330 km (0.074 R)
• M4: 1,971,550 km (0.096 R)
• M5: 2,445,177 km (0.111 R)
• M6: 3,514,652 km (0.093 R)
• M7: 4,070,109 km (0.105 R)
• M8: 4,472,378 km (0.117 R)
• M9: 5,446,559 km (0.115 R)
• M10: 5,936,791 km (0.105 R)
• M11: 7,041,572 km (0.112 R)
• M12: 7,549,756 km (0.079 R)
• M13: 8,318,390 km (0.059 R)
• M14: 10,422,334 km (0.091 R)
• M15: 12,700,560 km (0.064 R)
• M16: 13,510,483 km (0.099 R)
• M17: 14,701,731 km (0.085 R)
• M18: 15,473,656 km (0.105 R)
• M19: 16,147,594 km (0.106 R)
• M20: 19,180,541 km (0.117 R)
• M21: 21,202,057 km (0.105 R)
• M22: 23,682,091 km (0.103 R)
• M23: 27,755,940 km (0.08 R)
• M24: 32,672,175 km (0.087 R)
• M25: 33,274,306 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.3

Radius: 5.3

Gravity: 16.28 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 15.22 AU - 17.58 AU

Year: 24138 Days

Day: 22.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,275,744 km

• M1: 65,973 km (0.107 R)
• M2: 243,097 km (0.109 R)
• M3: 410,497 km (0.08 R)
• M4: 835,504 km (0.058 R)
• M5: 4,037,647 km (0.077 R)
• M6: 4,397,579 km (0.052 R)
• M7: 4,602,678 km (0.058 R)
• M8: 5,806,941 km (0.075 R)
• M9: 7,301,722 km (0.102 R)
• M10: 7,736,603 km (0.12 R)
• M11: 9,312,019 km (0.094 R)
• M12: 9,537,014 km (0.094 R)
• M13: 10,473,646 km (0.085 R)
• M14: 14,837,117 km (0.047 R)
• M15: 22,214,835 km (0.063 R)
• M16: 26,344,634 km (0.026 R)
• M17: 29,727,790 km (0.114 R)
• M18: 33,389,497 km (0.104 R)
• M19: 46,156,329 km (0.037 R)
• M20: 54,061,230 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.1

Radius: 6.7

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 13.87 AU - 20.29 AU

Year: 25654 Days

Day: 15.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,275,744 km

• M1: 83,326 km (0.096 R)
• M2: 734,675 km (0.096 R)
• M3: 1,150,108 km (0.102 R)
• M4: 2,216,891 km (0.066 R)
• M5: 3,129,887 km (0.108 R)
• M6: 3,417,563 km (0.107 R)
• M7: 4,329,811 km (0.1 R)
• M8: 4,687,649 km (0.072 R)
• M9: 5,565,041 km (0.085 R)
• M10: 10,029,191 km (0.055 R)
• M11: 11,476,101 km (0.1 R)
• M12: 18,276,372 km (0.104 R)
• M13: 32,120,009 km (0.064 R)
• M14: 38,031,668 km (0.084 R)
• M15: 38,659,979 km (0.038 R)
• M16: 43,253,083 km (0.098 R)
• M17: 44,629,234 km (0.097 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 11,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit