🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.45 AU - 0.69 AU

Year: 158 Days

Day: 40.9 Hours

Environment

Temp: 195 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.59 AU - 0.97 AU

Year: 253 Days

Day: 41.4 Hours

Environment

Temp: 130 °C

Axial Tilt: 4.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.99 AU - 0.99 AU

Year: 362 Days

Day: 12.5 Hours

Environment

Temp: 28 °C

Axial Tilt: 133.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.45 AU - 1.45 AU

Year: 641 Days

Day: 44.7 Hours

Environment

Temp: -32 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.56 AU - 2.34 AU

Year: 1000 Days

Day: 14.3 Hours

Environment

Temp: -57 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,939,226 km

• M1: 32,612 km (0.104 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.11 AU - 4.21 AU

Year: 2570 Days

Day: 25.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.6

Radius: 10.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.63 AU - 6.47 AU

Year: 5463 Days

Day: 5.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,939,226 km

• M1: 130,599 km (0.075 R)
• M2: 489,484 km (0.071 R)
• M3: 1,013,077 km (0.056 R)
• M4: 1,605,036 km (0.079 R)
• M5: 1,938,938 km (0.064 R)
• M6: 2,279,572 km (0.117 R)
• M7: 3,479,946 km (0.093 R)
• M8: 3,909,890 km (0.107 R)
• M9: 4,312,308 km (0.067 R)
• M10: 4,899,629 km (0.088 R)
• M11: 5,663,775 km (0.119 R)
• M12: 6,616,564 km (0.116 R)
• M13: 7,249,363 km (0.098 R)
• M14: 8,209,034 km (0.09 R)
• M15: 9,932,401 km (0.113 R)
• M16: 12,219,453 km (0.087 R)
• M17: 13,083,680 km (0.081 R)
• M18: 15,870,988 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 9.7

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.29 AU - 8.71 AU

Year: 7540 Days

Day: 9.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 67.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,939,226 km

• M1: 122,521 km (0.093 R)
• M2: 446,849 km (0.068 R)
• M3: 769,382 km (0.077 R)
• M4: 1,266,645 km (0.075 R)
• M5: 2,249,204 km (0.119 R)
• M6: 2,613,475 km (0.048 R)
• M7: 4,345,968 km (0.107 R)
• M8: 4,797,305 km (0.109 R)
• M9: 5,186,708 km (0.082 R)
• M10: 6,063,650 km (0.091 R)
• M11: 6,591,881 km (0.105 R)
• M12: 10,779,424 km (0.115 R)
• M13: 11,608,196 km (0.1 R)
• M14: 20,604,863 km (0.07 R)
• M15: 28,370,039 km (0.105 R)
• M16: 31,372,768 km (0.096 R)
• M17: 32,524,971 km (0.065 R)
• M18: 33,272,810 km (0.106 R)
• M19: 35,025,050 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.1

Radius: 5.2

Gravity: 16.76 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 9.75 AU - 15.37 AU

Year: 16340 Days

Day: 15.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,939,226 km

• M1: 64,626 km (0.077 R)
• M2: 267,930 km (0.1 R)
• M3: 1,908,270 km (0.119 R)
• M4: 2,546,006 km (0.094 R)
• M5: 2,810,046 km (0.072 R)
• M6: 3,367,448 km (0.087 R)
• M7: 5,164,567 km (0.094 R)
• M8: 6,957,199 km (0.057 R)
• M9: 8,877,437 km (0.043 R)
• M10: 10,337,662 km (0.068 R)
• M11: 15,165,185 km (0.093 R)
• M12: 22,028,286 km (0.083 R)
• M13: 23,803,265 km (0.098 R)
• M14: 24,091,989 km (0.081 R)
• M15: 43,533,579 km (0.069 R)
• M16: 44,837,623 km (0.063 R)
• M17: 46,167,399 km (0.086 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: 547 - 14,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit