🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.42 AU - 0.58 AU

Year: 131 Days

Day: 40 Hours

Environment

Temp: 227 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.48 AU - 0.7 AU

Year: 168 Days

Day: 25.5 Hours

Environment

Temp: 160 °C

Axial Tilt: 27.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 55,930,189 km

• M1: 43,533 km (0.076 R)
• M2: 142,118 km (0.079 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.12 AU - 1.22 AU

Year: 469 Days

Day: 39.9 Hours

Environment

Temp: 1 °C

Axial Tilt: 20.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 55,930,189 km

• M1: 54,753 km (0.098 R)
• M2: 895,194 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.42 AU - 2.24 AU

Year: 918 Days

Day: 23.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.25 AU - 3.65 AU

Year: 1879 Days

Day: 29.2 Hours

Environment

Temp: -95 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,930,189 km

• M1: 1,236,726 km (0.073 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.33 AU - 4.63 AU

Year: 3517 Days

Day: 45.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,930,189 km

• M1: 1,545,346 km (0.114 R)

Asteroid Belt

Center: 5.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.5

Radius: 8.3

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.83 AU - 6.73 AU

Year: 5153 Days

Day: 5.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,930,189 km

• M1: 103,522 km (0.118 R)
• M2: 403,914 km (0.101 R)
• M3: 1,064,538 km (0.115 R)
• M4: 1,653,655 km (0.109 R)
• M5: 2,127,880 km (0.118 R)
• M6: 3,406,942 km (0.093 R)
• M7: 4,902,322 km (0.072 R)
• M8: 6,920,098 km (0.099 R)
• M9: 7,214,657 km (0.107 R)
• M10: 8,184,649 km (0.083 R)
• M11: 13,902,130 km (0.099 R)
• M12: 15,901,356 km (0.086 R)
• M13: 19,152,267 km (0.045 R)
• M14: 21,274,463 km (0.064 R)
• M15: 21,828,573 km (0.099 R)
• M16: 24,744,236 km (0.037 R)

Asteroid Belt

Center: 7.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.1

Radius: 8.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.08 AU - 9.54 AU

Year: 9698 Days

Day: 13.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,930,189 km

• M1: 111,750 km (0.095 R)
• M2: 493,523 km (0.12 R)
• M3: 1,014,722 km (0.113 R)
• M4: 1,726,359 km (0.098 R)
• M5: 4,050,961 km (0.037 R)
• M6: 5,358,446 km (0.071 R)
• M7: 6,670,569 km (0.092 R)
• M8: 7,038,879 km (0.098 R)
• M9: 9,588,775 km (0.099 R)
• M10: 10,058,662 km (0.083 R)
• M11: 11,825,263 km (0.112 R)
• M12: 13,380,333 km (0.109 R)
• M13: 16,622,268 km (0.117 R)
• M14: 17,095,297 km (0.046 R)
• M15: 23,241,226 km (0.06 R)
• M16: 26,482,713 km (0.08 R)
• M17: 27,407,975 km (0.055 R)
• M18: 30,715,285 km (0.054 R)
• M19: 38,227,043 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.1

Radius: 6.7

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 12.35 AU - 12.63 AU

Year: 16370 Days

Day: 17.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,930,189 km

• M1: 83,326 km (0.079 R)
• M2: 357,689 km (0.11 R)
• M3: 736,620 km (0.062 R)
• M4: 1,546,393 km (0.112 R)
• M5: 3,245,526 km (0.055 R)
• M6: 4,074,896 km (0.084 R)
• M7: 5,071,218 km (0.069 R)
• M8: 6,815,829 km (0.109 R)
• M9: 14,860,903 km (0.093 R)
• M10: 16,804,927 km (0.094 R)
• M11: 27,618,011 km (0.073 R)
• M12: 34,259,408 km (0.063 R)
• M13: 36,605,552 km (0.101 R)
• M14: 37,112,838 km (0.088 R)
• M15: 46,320,886 km (0.114 R)
• M16: 51,845,536 km (0.097 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: 289 - 15,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit