🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.6 AU - 0.8 AU

Year: 215 Days

Day: 19.9 Hours

Environment

Temp: 174 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.07 AU - 1.29 AU

Year: 471 Days

Day: 46.7 Hours

Environment

Temp: -9 °C

Axial Tilt: 17.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.17 AU - 1.35 AU

Year: 519 Days

Day: 18 Hours

Environment

Temp: -12 °C

Axial Tilt: 12.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.53 AU - 2.03 AU

Year: 872 Days

Day: 13.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.84 AU - 3.88 AU

Year: 2784 Days

Day: 23.1 Hours

Environment

Temp: -117 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.1

Radius: 9.8

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.67 AU - 5.89 AU

Year: 4454 Days

Day: 9.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,959,497 km

• M1: 122,820 km (0.098 R)
• M2: 430,094 km (0.084 R)
• M3: 737,069 km (0.044 R)
• M4: 2,010,595 km (0.092 R)
• M5: 2,412,116 km (0.108 R)
• M6: 2,787,308 km (0.097 R)
• M7: 3,149,634 km (0.109 R)
• M8: 4,174,678 km (0.073 R)
• M9: 5,584,489 km (0.1 R)
• M10: 7,349,594 km (0.029 R)
• M11: 13,359,090 km (0.069 R)
• M12: 14,588,934 km (0.073 R)
• M13: 17,436,679 km (0.08 R)
• M14: 18,047,786 km (0.069 R)
• M15: 18,615,660 km (0.113 R)
• M16: 19,906,839 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.5

Radius: 13.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.55 AU - 8.11 AU

Year: 7285 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,959,497 km

• M1: 164,258 km (0.106 R)
• M2: 783,743 km (0.096 R)
• M3: 1,345,782 km (0.093 R)
• M4: 1,941,930 km (0.1 R)
• M5: 2,618,112 km (0.108 R)
• M6: 3,089,346 km (0.096 R)
• M7: 3,617,127 km (0.032 R)
• M8: 4,099,281 km (0.117 R)
• M9: 5,120,286 km (0.113 R)
• M10: 5,837,010 km (0.092 R)
• M11: 6,475,045 km (0.111 R)
• M12: 7,006,416 km (0.067 R)
• M13: 7,858,227 km (0.065 R)
• M14: 11,582,017 km (0.115 R)
• M15: 12,727,338 km (0.106 R)
• M16: 13,374,648 km (0.108 R)
• M17: 15,089,339 km (0.074 R)
• M18: 16,946,297 km (0.053 R)
• M19: 17,447,600 km (0.089 R)
• M20: 21,495,868 km (0.041 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.6

Radius: 14.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.07 AU - 9.61 AU

Year: 8058 Days

Day: 11.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,959,497 km

• M1: 187,895 km (0.031 R)
• M2: 842,236 km (0.084 R)
• M3: 1,366,427 km (0.096 R)
• M4: 2,861,358 km (0.064 R)
• M5: 3,392,132 km (0.049 R)
• M6: 3,858,877 km (0.118 R)
• M7: 4,453,229 km (0.045 R)
• M8: 5,362,336 km (0.117 R)
• M9: 6,211,603 km (0.119 R)
• M10: 6,915,760 km (0.116 R)
• M11: 10,686,673 km (0.097 R)
• M12: 13,978,425 km (0.097 R)
• M13: 16,126,351 km (0.086 R)
• M14: 16,678,667 km (0.078 R)
• M15: 33,817,047 km (0.062 R)
• M16: 34,268,085 km (0.109 R)
• M17: 37,059,133 km (0.111 R)
• M18: 37,538,743 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 14.2

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.15 AU - 8.35 AU

Year: 8699 Days

Day: 11.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,959,497 km

• M1: 177,273 km (0.109 R)
• M2: 619,485 km (0.117 R)
• M3: 2,339,412 km (0.117 R)
• M4: 2,886,641 km (0.106 R)
• M5: 3,765,229 km (0.116 R)
• M6: 4,549,271 km (0.115 R)
• M7: 5,741,267 km (0.09 R)
• M8: 6,444,078 km (0.082 R)
• M9: 10,807,100 km (0.083 R)
• M10: 13,240,010 km (0.105 R)
• M11: 14,354,364 km (0.114 R)
• M12: 14,817,220 km (0.104 R)
• M13: 15,834,187 km (0.1 R)
• M14: 16,897,079 km (0.069 R)
• M15: 17,413,491 km (0.11 R)
• M16: 20,299,833 km (0.115 R)
• M17: 23,812,241 km (0.079 R)
• M18: 24,461,945 km (0.094 R)
• M19: 26,138,189 km (0.111 R)
• M20: 29,999,459 km (0.096 R)
• M21: 30,567,034 km (0.11 R)
• M22: 31,723,425 km (0.12 R)
• M23: 34,328,672 km (0.068 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 13.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.42 AU - 10.2 AU

Year: 8794 Days

Day: 6 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,959,497 km

• M1: 165,455 km (0.063 R)
• M2: 592,408 km (0.107 R)
• M3: 1,034,619 km (0.054 R)
• M4: 1,560,755 km (0.094 R)
• M5: 2,265,211 km (0.071 R)
• M6: 3,067,056 km (0.086 R)
• M7: 4,816,453 km (0.117 R)
• M8: 6,282,512 km (0.118 R)
• M9: 8,152,336 km (0.055 R)
• M10: 8,836,597 km (0.098 R)
• M11: 9,420,477 km (0.109 R)
• M12: 14,623,940 km (0.096 R)
• M13: 15,314,334 km (0.108 R)
• M14: 17,447,001 km (0.1 R)
• M15: 19,544,663 km (0.116 R)
• M16: 20,928,443 km (0.067 R)
• M17: 23,378,407 km (0.101 R)
• M18: 25,741,754 km (0.081 R)
• M19: 26,196,233 km (0.063 R)
• M20: 27,215,144 km (0.079 R)
• M21: 29,430,688 km (0.038 R)
• M22: 30,329,622 km (0.03 R)
• M23: 33,566,321 km (0.103 R)
• M24: 37,956,869 km (0.118 R)
• M25: 39,381,340 km (0.103 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 12,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit