🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.62 AU - 0.7 AU

Year: 193 Days

Day: 18.9 Hours

Environment

Temp: 147 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,589,889 km

• M1: 38,447 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.74 AU - 1.04 AU

Year: 302 Days

Day: 37.7 Hours

Environment

Temp: 112 °C

Axial Tilt: 27.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.85 AU - 1.21 AU

Year: 376 Days

Day: 24.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.23 AU - 1.25 AU

Year: 497 Days

Day: 47.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 25.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.56 AU - 3.76 AU

Year: 2022 Days

Day: 41.1 Hours

Environment

Temp: -99 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,589,889 km

• M1: 907,161 km (0.089 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.65 AU - 4.09 AU

Year: 2226 Days

Day: 18.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.96 AU - 4.58 AU

Year: 3176 Days

Day: 31.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 48.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 14

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.77 AU - 7.07 AU

Year: 5854 Days

Day: 10.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,589,889 km

• M1: 174,282 km (0.085 R)
• M2: 768,335 km (0.041 R)
• M3: 1,363,136 km (0.109 R)
• M4: 1,995,785 km (0.1 R)
• M5: 3,089,944 km (0.045 R)
• M6: 4,690,940 km (0.108 R)
• M7: 5,400,334 km (0.097 R)
• M8: 8,305,375 km (0.067 R)
• M9: 11,005,167 km (0.083 R)
• M10: 15,157,855 km (0.118 R)
• M11: 16,271,910 km (0.065 R)
• M12: 16,932,684 km (0.116 R)
• M13: 20,763,436 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.7

Radius: 12.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.03 AU - 9.49 AU

Year: 10141 Days

Day: 5.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,589,889 km

• M1: 151,692 km (0.082 R)
• M2: 772,374 km (0.099 R)
• M3: 2,127,731 km (0.114 R)
• M4: 3,744,734 km (0.072 R)
• M5: 4,275,956 km (0.096 R)
• M6: 4,730,434 km (0.114 R)
• M7: 5,455,535 km (0.112 R)
• M8: 6,445,424 km (0.097 R)
• M9: 7,725,384 km (0.037 R)
• M10: 8,589,760 km (0.109 R)
• M11: 9,618,844 km (0.093 R)
• M12: 10,031,884 km (0.07 R)
• M13: 11,514,399 km (0.115 R)
• M14: 14,637,703 km (0.094 R)
• M15: 15,393,920 km (0.102 R)
• M16: 16,687,493 km (0.073 R)
• M17: 23,789,353 km (0.089 R)
• M18: 28,365,551 km (0.075 R)
• M19: 31,874,818 km (0.104 R)
• M20: 33,262,339 km (0.09 R)
• M21: 33,970,984 km (0.081 R)
• M22: 35,296,271 km (0.058 R)
• M23: 37,032,504 km (0.118 R)
• M24: 38,824,986 km (0.105 R)
• M25: 43,698,884 km (0.054 R)
• M26: 47,165,665 km (0.111 R)
• M27: 47,910,364 km (0.102 R)
• M28: 53,344,357 km (0.113 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.3

Radius: 12.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 10.69 AU - 13.75 AU

Year: 15374 Days

Day: 13.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,589,889 km

• M1: 167,250 km (0.071 R)
• M2: 749,635 km (0.114 R)
• M3: 1,411,606 km (0.116 R)
• M4: 2,717,296 km (0.104 R)
• M5: 3,161,302 km (0.073 R)
• M6: 4,069,361 km (0.079 R)
• M7: 5,025,890 km (0.037 R)
• M8: 6,434,204 km (0.115 R)
• M9: 9,239,015 km (0.099 R)
• M10: 10,638,952 km (0.12 R)
• M11: 12,283,332 km (0.105 R)
• M12: 15,307,752 km (0.047 R)
• M13: 17,329,866 km (0.118 R)
• M14: 23,611,930 km (0.083 R)
• M15: 30,662,776 km (0.083 R)
• M16: 34,179,523 km (0.06 R)
• M17: 39,471,697 km (0.117 R)

Kuiper Belt

Range: 30.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 16,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit