🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.77 AU - 0.83 AU

Year: 258 Days

Day: 24.4 Hours

Environment

Temp: 172 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,676,312 km

• M1: 108,608 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.79 AU - 0.85 AU

Year: 267 Days

Day: 27.1 Hours

Environment

Temp: 184 °C

Axial Tilt: 42.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 71,676,312 km

• M1: 33,510 km (0.044 R)
• M2: 595,848 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.73 AU - 1.09 AU

Year: 312 Days

Day: 22.7 Hours

Environment

Temp: 125 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.02 AU - 1.42 AU

Year: 485 Days

Day: 44 Hours

Environment

Temp: 4 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 71,676,312 km

• M1: 146,456 km (0.059 R)
• M2: 309,668 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.49 AU - 1.61 AU

Year: 694 Days

Day: 28.5 Hours

Environment

Temp: -25 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.65 AU - 3.31 AU

Year: 1851 Days

Day: 32.8 Hours

Environment

Temp: -91 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.3 AU - 5.36 AU

Year: 3243 Days

Day: 35.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,676,312 km

• M1: 571,464 km (0.083 R)

Asteroid Belt

Center: 5.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.5

Radius: 12.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.55 AU - 7.29 AU

Year: 5854 Days

Day: 11.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,676,312 km

• M1: 153,487 km (0.067 R)
• M2: 568,771 km (0.077 R)
• M3: 1,085,482 km (0.055 R)
• M4: 1,914,105 km (0.06 R)
• M5: 3,479,048 km (0.079 R)
• M6: 3,879,671 km (0.092 R)
• M7: 5,621,589 km (0.084 R)
• M8: 8,489,679 km (0.079 R)
• M9: 9,994,484 km (0.077 R)
• M10: 11,139,506 km (0.107 R)
• M11: 11,523,973 km (0.108 R)
• M12: 12,217,808 km (0.091 R)
• M13: 14,868,233 km (0.098 R)
• M14: 15,992,162 km (0.097 R)
• M15: 16,668,195 km (0.115 R)
• M16: 17,750,535 km (0.044 R)
• M17: 21,059,341 km (0.095 R)
• M18: 22,248,195 km (0.073 R)
• M19: 24,194,314 km (0.109 R)
• M20: 25,085,618 km (0.069 R)
• M21: 32,825,064 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.2

Radius: 5.4

Gravity: 27.48 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 10.55 AU - 15.49 AU

Year: 16908 Days

Day: 23.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,676,312 km

• M1: 67,169 km (0.07 R)
• M2: 259,403 km (0.08 R)
• M3: 581,936 km (0.088 R)
• M4: 904,768 km (0.119 R)
• M5: 2,284,060 km (0.055 R)
• M6: 2,525,362 km (0.1 R)
• M7: 3,520,786 km (0.078 R)
• M8: 4,930,596 km (0.061 R)
• M9: 6,043,156 km (0.093 R)
• M10: 6,857,118 km (0.064 R)
• M11: 7,937,214 km (0.102 R)
• M12: 8,236,560 km (0.091 R)
• M13: 9,734,782 km (0.101 R)
• M14: 11,094,328 km (0.083 R)
• M15: 13,328,721 km (0.108 R)
• M16: 15,534,692 km (0.056 R)
• M17: 17,887,717 km (0.098 R)
• M18: 18,229,847 km (0.036 R)
• M19: 24,314,591 km (0.119 R)
• M20: 34,049,373 km (0.08 R)
• M21: 36,183,835 km (0.071 R)
• M22: 41,457,908 km (0.11 R)
• M23: 43,734,489 km (0.076 R)
• M24: 44,355,320 km (0.091 R)
• M25: 48,369,330 km (0.049 R)
• M26: 52,270,244 km (0.114 R)
• M27: 64,417,442 km (0.083 R)
• M28: 68,086,030 km (0.084 R)
• M29: 68,293,822 km (0.038 R)
• M30: 69,971,412 km (0.103 R)

Kuiper Belt

Range: 30.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 14,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit