🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.48 AU - 0.58 AU

Year: 253 Days

Day: 38.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.53 AU - 0.69 AU

Year: 313 Days

Day: 43.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 9.5

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.14 AU - 1.2 AU

Year: 830 Days

Day: 5.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,580,336 km

• M1: 118,182 km (0.109 R)
• M2: 832,811 km (0.112 R)
• M3: 1,501,963 km (0.105 R)
• M4: 2,161,839 km (0.029 R)
• M5: 2,462,082 km (0.045 R)
• M6: 2,827,101 km (0.05 R)
• M7: 3,201,394 km (0.108 R)
• M8: 3,756,851 km (0.083 R)
• M9: 4,226,738 km (0.071 R)
• M10: 4,878,087 km (0.068 R)
• M11: 5,227,997 km (0.11 R)
• M12: 6,844,252 km (0.12 R)
• M13: 7,522,679 km (0.112 R)
• M14: 8,168,343 km (0.085 R)
• M15: 9,067,875 km (0.119 R)
• M16: 9,598,648 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.1

Radius: 12.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.58 AU - 1.93 AU

Year: 1519 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,580,336 km

• M1: 156,779 km (0.106 R)
• M2: 688,300 km (0.118 R)
• M3: 1,121,086 km (0.093 R)
• M4: 1,514,678 km (0.039 R)
• M5: 2,446,823 km (0.09 R)
• M6: 2,942,590 km (0.031 R)
• M7: 3,947,738 km (0.1 R)
• M8: 5,108,019 km (0.073 R)
• M9: 5,723,615 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 14.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.85 AU - 1.95 AU

Year: 1718 Days

Day: 12.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,580,336 km

• M1: 185,501 km (0.118 R)
• M2: 667,356 km (0.077 R)
• M3: 1,418,038 km (0.119 R)
• M4: 2,121,896 km (0.094 R)
• M5: 3,039,230 km (0.117 R)
• M6: 5,234,429 km (0.104 R)
• M7: 5,849,426 km (0.116 R)
• M8: 7,299,628 km (0.094 R)
• M9: 8,668,149 km (0.079 R)
• M10: 10,740,379 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.7

Radius: 6.2

Gravity: 17.21 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.72 AU - 12.5 AU

Year: 21088 Days

Day: 22.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 57.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,580,336 km

• M1: 77,193 km (0.075 R)
• M2: 290,669 km (0.078 R)
• M3: 554,111 km (0.095 R)
• M4: 1,024,147 km (0.1 R)
• M5: 1,235,978 km (0.054 R)
• M6: 1,643,632 km (0.082 R)
• M7: 2,556,777 km (0.043 R)
• M8: 3,386,148 km (0.085 R)
• M9: 6,618,060 km (0.083 R)
• M10: 6,983,079 km (0.102 R)
• M11: 7,654,025 km (0.115 R)
• M12: 8,367,009 km (0.055 R)
• M13: 11,085,651 km (0.075 R)
• M14: 11,470,417 km (0.096 R)
• M15: 11,930,430 km (0.111 R)
• M16: 12,131,340 km (0.119 R)
• M17: 13,098,939 km (0.085 R)
• M18: 16,557,044 km (0.073 R)
• M19: 21,160,020 km (0.087 R)
• M20: 21,356,143 km (0.103 R)
• M21: 27,353,372 km (0.079 R)
• M22: 28,411,328 km (0.095 R)
• M23: 28,770,064 km (0.059 R)
• M24: 31,748,857 km (0.095 R)
• M25: 33,048,563 km (0.108 R)
• M26: 35,063,946 km (0.038 R)
• M27: 35,892,419 km (0.11 R)
• M28: 39,485,909 km (0.072 R)
• M29: 40,082,206 km (0.09 R)
• M30: 40,533,393 km (0.099 R)
• M31: 43,311,875 km (0.082 R)
• M32: 48,901,749 km (0.047 R)
• M33: 54,768,977 km (0.044 R)
• M34: 55,510,534 km (0.119 R)
• M35: 61,287,106 km (0.11 R)
• M36: 65,145,534 km (0.052 R)
• M37: 68,303,695 km (0.069 R)
• M38: 73,566,548 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.8

Radius: 6.6

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 9.44 AU - 12.62 AU

Year: 24031 Days

Day: 20.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,580,336 km

• M1: 86,168 km (0.062 R)
• M2: 925,263 km (0.051 R)
• M3: 1,333,067 km (0.105 R)
• M4: 1,720,824 km (0.089 R)
• M5: 2,299,020 km (0.087 R)
• M6: 5,185,062 km (0.107 R)
• M7: 6,458,589 km (0.073 R)
• M8: 9,450,845 km (0.109 R)
• M9: 13,720,369 km (0.108 R)
• M10: 15,244,621 km (0.055 R)
• M11: 15,533,495 km (0.114 R)
• M12: 21,648,308 km (0.117 R)
• M13: 29,528,525 km (0.061 R)
• M14: 35,980,382 km (0.069 R)
• M15: 48,715,948 km (0.115 R)
• M16: 57,116,168 km (0.054 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 11,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit