🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.65 AU - 0.75 AU

Year: 219 Days

Day: 22.2 Hours

Environment

Temp: 132 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.7 AU - 0.94 AU

Year: 278 Days

Day: 39.8 Hours

Environment

Temp: 82 °C

Axial Tilt: 12.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,270,491 km

• M1: 62,532 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.65 AU - 1.03 AU

Year: 289 Days

Day: 47.1 Hours

Environment

Temp: 128 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,270,491 km

• M1: 174,730 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.81 AU - 0.93 AU

Year: 304 Days

Day: 44.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 38,270,491 km

• M1: 41,887 km (0.114 R)
• M2: 111,899 km (0.054 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.75 AU - 2.19 AU

Year: 1036 Days

Day: 40.1 Hours

Environment

Temp: -64 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.66 AU - 3.08 AU

Year: 1822 Days

Day: 24.8 Hours

Environment

Temp: -104 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.8

Radius: 14.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.77 AU - 9.59 AU

Year: 8767 Days

Day: 9.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,270,491 km

• M1: 184,454 km (0.106 R)
• M2: 3,314,939 km (0.103 R)
• M3: 4,322,182 km (0.048 R)
• M4: 5,438,481 km (0.077 R)
• M5: 5,911,509 km (0.064 R)
• M6: 8,392,441 km (0.08 R)
• M7: 10,891,473 km (0.09 R)
• M8: 12,897,580 km (0.108 R)
• M9: 15,197,648 km (0.087 R)
• M10: 17,888,315 km (0.066 R)
• M11: 19,278,528 km (0.101 R)
• M12: 20,668,442 km (0.116 R)
• M13: 22,198,828 km (0.116 R)
• M14: 29,621,725 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.1

Radius: 8.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.87 AU - 10.29 AU

Year: 9418 Days

Day: 12.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,270,491 km

• M1: 107,411 km (0.103 R)
• M2: 391,647 km (0.091 R)
• M3: 1,604,138 km (0.044 R)
• M4: 2,252,645 km (0.094 R)
• M5: 2,539,573 km (0.106 R)
• M6: 2,927,930 km (0.102 R)
• M7: 4,111,249 km (0.105 R)
• M8: 4,490,330 km (0.089 R)
• M9: 5,145,419 km (0.025 R)
• M10: 5,677,538 km (0.117 R)
• M11: 6,713,354 km (0.062 R)
• M12: 7,097,222 km (0.098 R)
• M13: 7,385,348 km (0.062 R)
• M14: 8,780,647 km (0.119 R)
• M15: 9,497,221 km (0.103 R)
• M16: 10,026,049 km (0.054 R)
• M17: 10,621,150 km (0.107 R)
• M18: 11,287,907 km (0.117 R)
• M19: 12,237,255 km (0.12 R)
• M20: 13,456,478 km (0.107 R)
• M21: 17,079,738 km (0.055 R)
• M22: 17,533,170 km (0.096 R)
• M23: 18,667,869 km (0.12 R)
• M24: 19,921,948 km (0.102 R)
• M25: 20,424,448 km (0.038 R)
• M26: 22,986,461 km (0.09 R)
• M27: 27,044,602 km (0.097 R)
• M28: 32,042,966 km (0.087 R)
• M29: 33,332,201 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.3

Radius: 6.2

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 15.53 AU - 16.35 AU

Year: 23848 Days

Day: 19.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,270,491 km

• M1: 77,641 km (0.048 R)
• M2: 311,164 km (0.113 R)
• M3: 512,223 km (0.117 R)
• M4: 725,400 km (0.091 R)
• M5: 942,766 km (0.075 R)
• M6: 1,139,637 km (0.118 R)
• M7: 1,700,629 km (0.102 R)
• M8: 5,113,704 km (0.073 R)
• M9: 6,892,871 km (0.037 R)
• M10: 10,517,628 km (0.077 R)
• M11: 16,975,768 km (0.09 R)
• M12: 20,905,405 km (0.044 R)
• M13: 21,836,801 km (0.088 R)
• M14: 28,480,592 km (0.045 R)
• M15: 33,134,432 km (0.036 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 13,583 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit