🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.74 AU - 0.92 AU

Year: 279 Days

Day: 31.8 Hours

Environment

Temp: 122 °C

Axial Tilt: 14.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.68 AU - 1.12 AU

Year: 315 Days

Day: 18.2 Hours

Environment

Temp: 124 °C

Axial Tilt: 0.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.73 AU - 1.09 AU

Year: 320 Days

Day: 23.2 Hours

Environment

Temp: 128 °C

Axial Tilt: 34 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.91 AU - 1.07 AU

Year: 363 Days

Day: 32.5 Hours

Environment

Temp: 39 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.29 AU - 1.39 AU

Year: 572 Days

Day: 33.3 Hours

Environment

Temp: -21 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,137,595 km

• M1: 725,250 km (0.07 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.43 AU - 1.59 AU

Year: 685 Days

Day: 26.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,137,595 km

• M1: 369,357 km (0.064 R)
• M2: 1,189,303 km (0.037 R)

Asteroid Belt

Center: 4.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.5

Radius: 13.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.33 AU - 7.35 AU

Year: 6600 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,137,595 km

• M1: 168,447 km (0.11 R)
• M2: 597,943 km (0.115 R)
• M3: 1,331,122 km (0.065 R)
• M4: 1,923,829 km (0.115 R)
• M5: 2,452,059 km (0.044 R)
• M6: 3,057,631 km (0.055 R)
• M7: 3,783,929 km (0.074 R)
• M8: 4,420,767 km (0.057 R)
• M9: 4,857,742 km (0.067 R)
• M10: 5,879,795 km (0.075 R)
• M11: 6,377,956 km (0.119 R)
• M12: 8,233,717 km (0.104 R)
• M13: 8,818,944 km (0.062 R)
• M14: 9,770,087 km (0.086 R)
• M15: 10,381,943 km (0.095 R)
• M16: 12,122,663 km (0.113 R)
• M17: 13,996,227 km (0.087 R)
• M18: 14,718,037 km (0.095 R)
• M19: 16,539,690 km (0.09 R)
• M20: 17,220,959 km (0.096 R)
• M21: 18,772,289 km (0.057 R)
• M22: 19,719,243 km (0.086 R)
• M23: 21,561,990 km (0.097 R)
• M24: 26,667,765 km (0.101 R)
• M25: 27,518,828 km (0.081 R)
• M26: 30,826,287 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.3

Radius: 9

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.52 AU - 7.8 AU

Year: 7822 Days

Day: 7.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,137,595 km

• M1: 111,899 km (0.071 R)
• M2: 570,865 km (0.066 R)
• M3: 876,045 km (0.099 R)
• M4: 1,305,092 km (0.12 R)
• M5: 2,381,449 km (0.064 R)
• M6: 4,544,783 km (0.088 R)
• M7: 5,942,327 km (0.082 R)
• M8: 7,981,794 km (0.094 R)
• M9: 9,560,501 km (0.06 R)
• M10: 12,219,004 km (0.066 R)
• M11: 14,305,596 km (0.113 R)
• M12: 14,813,929 km (0.076 R)
• M13: 17,323,433 km (0.081 R)
• M14: 24,494,108 km (0.116 R)
• M15: 25,777,060 km (0.064 R)
• M16: 27,200,932 km (0.089 R)
• M17: 28,776,646 km (0.103 R)
• M18: 30,204,408 km (0.061 R)
• M19: 38,301,094 km (0.115 R)
• M20: 41,419,611 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.8

Radius: 5.5

Gravity: 23.43 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 12.13 AU - 16.21 AU

Year: 19680 Days

Day: 19.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,137,595 km

• M1: 68,965 km (0.097 R)
• M2: 277,205 km (0.082 R)
• M3: 527,033 km (0.082 R)
• M4: 793,168 km (0.066 R)
• M5: 1,314,965 km (0.086 R)
• M6: 1,981,873 km (0.079 R)
• M7: 4,792,218 km (0.054 R)
• M8: 5,311,173 km (0.057 R)
• M9: 5,584,339 km (0.036 R)
• M10: 15,930,976 km (0.03 R)
• M11: 20,385,702 km (0.074 R)
• M12: 22,844,941 km (0.081 R)
• M13: 29,782,393 km (0.109 R)
• M14: 33,592,950 km (0.104 R)
• M15: 40,794,891 km (0.108 R)
• M16: 50,333,101 km (0.103 R)
• M17: 53,875,728 km (0.099 R)
• M18: 55,522,801 km (0.109 R)
• M19: 56,079,305 km (0.096 R)
• M20: 73,431,760 km (0.084 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 18,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit