🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.46 AU - 0.6 AU

Year: 147 Days

Day: 21.6 Hours

Environment

Temp: 149 °C

Axial Tilt: 13.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,285,957 km

• M1: 85,720 km (0.029 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.96 AU - 1.32 AU

Year: 464 Days

Day: 29.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 38,285,957 km

• M1: 32,014 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.08 AU - 1.26 AU

Year: 482 Days

Day: 12.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 11.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 38,285,957 km

• M1: 63,429 km (0.075 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.63 AU - 1.87 AU

Year: 882 Days

Day: 12.6 Hours

Environment

Temp: -71 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.21 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 8.7

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.62 AU - 5.7 AU

Year: 3831 Days

Day: 9.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,285,957 km

• M1: 108,159 km (0.109 R)
• M2: 462,108 km (0.12 R)
• M3: 931,247 km (0.076 R)
• M4: 1,267,692 km (0.049 R)
• M5: 1,601,744 km (0.041 R)
• M6: 2,781,174 km (0.084 R)
• M7: 3,552,351 km (0.107 R)
• M8: 3,889,545 km (0.055 R)
• M9: 4,531,320 km (0.089 R)
• M10: 5,057,455 km (0.085 R)
• M11: 5,651,957 km (0.062 R)
• M12: 7,142,850 km (0.111 R)
• M13: 7,961,599 km (0.065 R)
• M14: 8,690,589 km (0.053 R)
• M15: 9,543,147 km (0.105 R)
• M16: 9,825,738 km (0.119 R)
• M17: 10,365,487 km (0.083 R)
• M18: 11,686,436 km (0.075 R)
• M19: 12,821,435 km (0.1 R)
• M20: 15,090,386 km (0.063 R)
• M21: 16,319,781 km (0.11 R)
• M22: 17,374,147 km (0.11 R)
• M23: 18,913,060 km (0.102 R)
• M24: 21,908,608 km (0.097 R)
• M25: 22,829,682 km (0.108 R)
• M26: 23,336,071 km (0.072 R)
• M27: 26,138,787 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.3

Radius: 14.5

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.76 AU - 4.98 AU

Year: 4093 Days

Day: 11.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,285,957 km

• M1: 198,217 km (0.064 R)
• M2: 766,839 km (0.057 R)
• M3: 1,337,255 km (0.09 R)
• M4: 2,105,590 km (0.104 R)
• M5: 3,497,897 km (0.067 R)
• M6: 5,480,069 km (0.029 R)
• M7: 6,897,958 km (0.04 R)
• M8: 7,880,816 km (0.093 R)
• M9: 8,406,204 km (0.106 R)
• M10: 9,193,388 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.7

Radius: 13.3

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.5 AU - 7.68 AU

Year: 6442 Days

Day: 13.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,285,957 km

• M1: 189,690 km (0.054 R)
• M2: 726,746 km (0.109 R)
• M3: 1,816,268 km (0.099 R)
• M4: 3,351,142 km (0.047 R)
• M5: 5,721,071 km (0.104 R)
• M6: 6,413,410 km (0.068 R)
• M7: 7,197,902 km (0.032 R)
• M8: 7,729,872 km (0.066 R)
• M9: 9,710,847 km (0.098 R)
• M10: 11,493,455 km (0.099 R)
• M11: 14,295,573 km (0.072 R)
• M12: 14,833,676 km (0.117 R)
• M13: 17,525,690 km (0.032 R)
• M14: 18,561,505 km (0.065 R)
• M15: 20,755,059 km (0.054 R)
• M16: 30,378,989 km (0.079 R)
• M17: 34,898,790 km (0.108 R)
• M18: 36,095,124 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412

Radius: 12.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.99 AU - 8.73 AU

Year: 9205 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,285,957 km

• M1: 156,779 km (0.053 R)
• M2: 579,542 km (0.075 R)
• M3: 1,020,856 km (0.088 R)
• M4: 1,453,493 km (0.111 R)
• M5: 2,633,820 km (0.109 R)
• M6: 3,748,324 km (0.111 R)
• M7: 4,347,165 km (0.097 R)
• M8: 5,096,500 km (0.056 R)
• M9: 5,995,434 km (0.119 R)
• M10: 6,604,896 km (0.095 R)
• M11: 7,255,198 km (0.069 R)
• M12: 8,188,389 km (0.091 R)
• M13: 9,600,294 km (0.067 R)
• M14: 10,340,654 km (0.107 R)
• M15: 11,471,165 km (0.094 R)
• M16: 12,198,659 km (0.094 R)
• M17: 20,420,109 km (0.037 R)
• M18: 22,354,859 km (0.096 R)
• M19: 25,875,944 km (0.101 R)
• M20: 27,492,199 km (0.098 R)
• M21: 28,418,808 km (0.104 R)
• M22: 32,028,755 km (0.076 R)
• M23: 34,741,413 km (0.096 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 14,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit