🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.55 AU - 0.87 AU

Year: 220 Days

Day: 23.5 Hours

Environment

Temp: 195 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.83 AU - 1.13 AU

Year: 356 Days

Day: 17 Hours

Environment

Temp: 28 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.02 AU - 1.12 AU

Year: 406 Days

Day: 40.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 5.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 61,006,227 km

• M1: 38,447 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.6 AU - 2.04 AU

Year: 901 Days

Day: 21.2 Hours

Environment

Temp: -61 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.36 AU - 2.8 AU

Year: 1521 Days

Day: 18 Hours

Environment

Temp: -88 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.2

Radius: 10.5

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.78 AU - 8.78 AU

Year: 7211 Days

Day: 9 Hours

Environment

Temp: -153 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,006,227 km

• M1: 133,890 km (0.09 R)
• M2: 540,048 km (0.075 R)
• M3: 1,028,336 km (0.096 R)
• M4: 1,375,552 km (0.114 R)
• M5: 2,000,124 km (0.089 R)
• M6: 2,405,534 km (0.089 R)
• M7: 2,886,042 km (0.106 R)
• M8: 3,714,515 km (0.052 R)
• M9: 4,251,422 km (0.11 R)
• M10: 4,810,020 km (0.085 R)
• M11: 5,198,975 km (0.087 R)
• M12: 5,739,322 km (0.085 R)
• M13: 6,246,758 km (0.108 R)
• M14: 7,951,127 km (0.064 R)
• M15: 8,844,525 km (0.061 R)
• M16: 9,202,064 km (0.071 R)
• M17: 9,662,377 km (0.079 R)
• M18: 11,343,857 km (0.1 R)
• M19: 12,309,062 km (0.107 R)
• M20: 16,520,841 km (0.102 R)
• M21: 19,733,306 km (0.116 R)
• M22: 21,286,281 km (0.045 R)
• M23: 22,835,666 km (0.098 R)
• M24: 24,722,095 km (0.105 R)
• M25: 26,157,786 km (0.078 R)
• M26: 26,896,052 km (0.058 R)
• M27: 32,038,030 km (0.107 R)
• M28: 34,178,775 km (0.088 R)
• M29: 40,310,044 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.9

Radius: 4.1

Gravity: 34.79 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 16.18 AU - 23.32 AU

Year: 32220 Days

Day: 18.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,006,227 km

• M1: 51,462 km (0.111 R)
• M2: 179,368 km (0.115 R)
• M3: 457,171 km (0.111 R)
• M4: 1,600,248 km (0.099 R)
• M5: 1,896,153 km (0.065 R)
• M6: 2,519,527 km (0.047 R)
• M7: 2,728,067 km (0.088 R)
• M8: 3,120,612 km (0.092 R)
• M9: 3,423,248 km (0.096 R)
• M10: 3,879,522 km (0.108 R)
• M11: 4,087,163 km (0.066 R)
• M12: 5,279,608 km (0.12 R)
• M13: 6,588,889 km (0.075 R)
• M14: 7,396,717 km (0.108 R)
• M15: 7,662,253 km (0.068 R)
• M16: 8,156,076 km (0.062 R)
• M17: 9,452,192 km (0.111 R)
• M18: 10,149,168 km (0.112 R)
• M19: 10,879,655 km (0.06 R)
• M20: 11,016,088 km (0.04 R)
• M21: 16,637,078 km (0.084 R)
• M22: 18,028,937 km (0.085 R)
• M23: 18,316,314 km (0.115 R)
• M24: 20,310,753 km (0.098 R)
• M25: 22,555,918 km (0.08 R)
• M26: 23,566,901 km (0.087 R)
• M27: 23,795,486 km (0.117 R)
• M28: 24,257,295 km (0.084 R)
• M29: 26,904,579 km (0.104 R)
• M30: 32,059,272 km (0.08 R)
• M31: 34,941,126 km (0.087 R)
• M32: 35,387,825 km (0.114 R)
• M33: 42,891,505 km (0.102 R)
• M34: 44,964,034 km (0.11 R)
• M35: 46,561,589 km (0.043 R)
• M36: 49,681,752 km (0.079 R)
• M37: 55,927,463 km (0.076 R)
• M38: 75,260,744 km (0.078 R)
• M39: 85,597,059 km (0.095 R)
• M40: 88,596,796 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.4

Radius: 5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 18.88 AU - 20.78 AU

Year: 32416 Days

Day: 15.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,006,227 km

• M1: 346,020 km (0.101 R)
• M2: 634,744 km (0.058 R)
• M3: 1,385,725 km (0.112 R)
• M4: 3,904,355 km (0.118 R)
• M5: 9,765,749 km (0.064 R)
• M6: 10,312,828 km (0.055 R)
• M7: 10,937,848 km (0.09 R)
• M8: 14,238,277 km (0.055 R)
• M9: 20,345,161 km (0.101 R)
• M10: 26,394,899 km (0.109 R)
• M11: 32,690,875 km (0.079 R)
• M12: 34,909,262 km (0.058 R)
• M13: 46,443,557 km (0.099 R)
• M14: 57,422,245 km (0.096 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 12,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit