🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.46 AU - 0.68 AU

Year: 162 Days

Day: 28.8 Hours

Environment

Temp: 138 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.6 AU - 0.9 AU

Year: 245 Days

Day: 41.8 Hours

Environment

Temp: 148 °C

Axial Tilt: 23.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.91 AU - 0.97 AU

Year: 343 Days

Day: 35.5 Hours

Environment

Temp: 27 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 63,882,012 km

• M1: 667,506 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.35 AU - 1.97 AU

Year: 806 Days

Day: 44 Hours

Environment

Temp: -48 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,882,012 km

• M1: 140,323 km (0.076 R)
• M2: 573,558 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.75 AU - 1.87 AU

Year: 917 Days

Day: 23.4 Hours

Environment

Temp: -70 °C

Axial Tilt: 49.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.53 AU - 2.11 AU

Year: 925 Days

Day: 28.2 Hours

Environment

Temp: -76 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,882,012 km

• M1: 57,894 km (0.116 R)

Asteroid Belt

Center: 4.33 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: 754.2

Radius: 13.4

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.57 AU - 8.11 AU

Year: 6739 Days

Day: 9.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,882,012 km

• M1: 171,439 km (0.08 R)
• M2: 855,700 km (0.119 R)
• M3: 1,295,069 km (0.111 R)
• M4: 2,196,246 km (0.112 R)
• M5: 2,815,731 km (0.117 R)
• M6: 3,327,805 km (0.095 R)
• M7: 4,200,559 km (0.099 R)
• M8: 4,901,574 km (0.106 R)
• M9: 5,340,644 km (0.118 R)
• M10: 5,934,548 km (0.096 R)
• M11: 7,218,546 km (0.119 R)
• M12: 8,638,230 km (0.11 R)
• M13: 9,683,321 km (0.117 R)
• M14: 10,958,044 km (0.102 R)
• M15: 12,077,036 km (0.106 R)
• M16: 14,423,030 km (0.109 R)
• M17: 15,766,419 km (0.1 R)
• M18: 18,913,509 km (0.114 R)
• M19: 20,148,440 km (0.101 R)
• M20: 23,676,257 km (0.053 R)
• M21: 29,758,906 km (0.101 R)
• M22: 30,536,815 km (0.099 R)
• M23: 33,994,770 km (0.077 R)
• M24: 36,036,781 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 8.2

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.17 AU - 12.81 AU

Year: 12799 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,882,012 km

• M1: 102,026 km (0.032 R)
• M2: 385,514 km (0.091 R)
• M3: 2,408,376 km (0.05 R)
• M4: 3,284,122 km (0.112 R)
• M5: 3,860,672 km (0.093 R)
• M6: 7,463,887 km (0.067 R)
• M7: 8,549,070 km (0.083 R)
• M8: 10,551,287 km (0.075 R)
• M9: 12,966,994 km (0.109 R)
• M10: 13,827,182 km (0.12 R)
• M11: 15,389,432 km (0.062 R)
• M12: 16,073,842 km (0.111 R)
• M13: 24,531,208 km (0.113 R)
• M14: 27,601,406 km (0.115 R)
• M15: 29,645,212 km (0.079 R)
• M16: 42,982,759 km (0.099 R)
• M17: 47,995,485 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611

Radius: 7.6

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 11.74 AU - 12.9 AU

Year: 16291 Days

Day: 19.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,882,012 km

• M1: 99,632 km (0.098 R)
• M2: 525,089 km (0.06 R)
• M3: 801,845 km (0.119 R)
• M4: 1,765,554 km (0.1 R)
• M5: 2,623,797 km (0.1 R)
• M6: 3,539,635 km (0.101 R)
• M7: 5,025,890 km (0.082 R)
• M8: 5,417,836 km (0.078 R)
• M9: 5,907,171 km (0.093 R)
• M10: 8,960,464 km (0.06 R)
• M11: 9,591,019 km (0.075 R)
• M12: 10,591,828 km (0.101 R)
• M13: 14,931,962 km (0.051 R)
• M14: 15,667,684 km (0.079 R)
• M15: 15,968,526 km (0.054 R)
• M16: 17,855,852 km (0.107 R)
• M17: 18,433,150 km (0.097 R)
• M18: 27,985,274 km (0.049 R)
• M19: 28,764,080 km (0.056 R)
• M20: 30,364,927 km (0.095 R)
• M21: 44,911,375 km (0.054 R)
• M22: 60,314,720 km (0.097 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 13,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit