🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.04 AU - 1.08 AU

Year: 391 Days

Day: 30.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 49.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 34,743,731 km

• M1: 334,202 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.25 AU - 1.49 AU

Year: 574 Days

Day: 13.9 Hours

Environment

Temp: -1 °C

Axial Tilt: 10.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.66 AU - 1.72 AU

Year: 787 Days

Day: 33.1 Hours

Environment

Temp: -37 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.35 AU - 2.71 AU

Year: 1441 Days

Day: 17.9 Hours

Environment

Temp: -78 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,743,731 km

• M1: 107,262 km (0.09 R)
• M2: 214,374 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.28 AU - 4.18 AU

Year: 2580 Days

Day: 43.1 Hours

Environment

Temp: -117 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.94 AU - 4.5 AU

Year: 3105 Days

Day: 17.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.6

Radius: 9.1

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.13 AU - 5.21 AU

Year: 4210 Days

Day: 7.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,743,731 km

• M1: 113,395 km (0.079 R)
• M2: 418,575 km (0.097 R)
• M3: 1,378,993 km (0.117 R)
• M4: 1,806,693 km (0.036 R)
• M5: 2,231,851 km (0.088 R)
• M6: 2,556,927 km (0.08 R)
• M7: 7,050,099 km (0.107 R)
• M8: 7,686,488 km (0.104 R)
• M9: 10,663,486 km (0.093 R)
• M10: 12,719,409 km (0.113 R)
• M11: 15,741,586 km (0.097 R)
• M12: 18,208,155 km (0.113 R)
• M13: 18,957,641 km (0.048 R)
• M14: 22,801,408 km (0.058 R)
• M15: 24,041,275 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.4

Radius: 12.2

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.56 AU - 6.34 AU

Year: 4557 Days

Day: 12.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,743,731 km

• M1: 156,031 km (0.118 R)
• M2: 598,840 km (0.116 R)
• M3: 1,043,146 km (0.085 R)
• M4: 1,886,579 km (0.065 R)
• M5: 2,755,593 km (0.056 R)
• M6: 3,291,602 km (0.113 R)
• M7: 3,853,940 km (0.078 R)
• M8: 5,069,124 km (0.058 R)
• M9: 5,682,026 km (0.067 R)
• M10: 6,284,158 km (0.088 R)
• M11: 8,386,157 km (0.088 R)
• M12: 9,361,236 km (0.089 R)
• M13: 9,836,210 km (0.07 R)
• M14: 12,790,169 km (0.102 R)
• M15: 13,725,455 km (0.058 R)
• M16: 15,185,979 km (0.039 R)
• M17: 18,972,451 km (0.064 R)
• M18: 21,935,685 km (0.09 R)
• M19: 22,422,776 km (0.104 R)
• M20: 24,592,992 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.3

Radius: 13.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.83 AU - 7.77 AU

Year: 5663 Days

Day: 8.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,743,731 km

• M1: 162,912 km (0.092 R)
• M2: 749,934 km (0.099 R)
• M3: 1,416,991 km (0.109 R)
• M4: 2,045,452 km (0.047 R)
• M5: 2,616,766 km (0.109 R)
• M6: 3,356,228 km (0.109 R)
• M7: 4,485,543 km (0.078 R)
• M8: 5,081,540 km (0.041 R)
• M9: 5,822,648 km (0.104 R)
• M10: 7,193,114 km (0.112 R)
• M11: 8,050,759 km (0.114 R)
• M12: 8,727,689 km (0.084 R)
• M13: 9,747,648 km (0.112 R)
• M14: 10,241,021 km (0.105 R)
• M15: 12,750,077 km (0.105 R)
• M16: 13,232,081 km (0.101 R)
• M17: 14,062,649 km (0.111 R)
• M18: 14,693,353 km (0.07 R)
• M19: 17,212,581 km (0.077 R)
• M20: 18,608,778 km (0.08 R)
• M21: 20,879,524 km (0.095 R)
• M22: 25,625,218 km (0.096 R)
• M23: 26,567,235 km (0.091 R)
• M24: 27,002,864 km (0.109 R)
• M25: 27,978,243 km (0.08 R)
• M26: 29,999,310 km (0.104 R)
• M27: 30,567,034 km (0.103 R)
• M28: 33,716,667 km (0.051 R)

Kuiper Belt

Range: 30.6 - 57.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 17,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit