🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.76 AU - 1.2 AU

Year: 369 Days

Day: 16.5 Hours

Environment

Temp: 17 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 66,630,536 km

• M1: 306,376 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.12 AU - 2.22 AU

Year: 1217 Days

Day: 28.6 Hours

Environment

Temp: -83 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.29 AU - 3.25 AU

Year: 1756 Days

Day: 22.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 12.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.77 AU - 5.55 AU

Year: 4463 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,630,536 km

• M1: 157,975 km (0.051 R)
• M2: 597,195 km (0.058 R)
• M3: 1,017,714 km (0.119 R)
• M4: 1,937,292 km (0.103 R)
• M5: 2,583,555 km (0.113 R)
• M6: 3,315,238 km (0.105 R)
• M7: 5,069,573 km (0.111 R)
• M8: 7,036,485 km (0.07 R)
• M9: 7,728,076 km (0.107 R)
• M10: 8,293,108 km (0.081 R)
• M11: 8,779,001 km (0.109 R)
• M12: 9,884,530 km (0.102 R)
• M13: 11,205,629 km (0.056 R)
• M14: 12,193,722 km (0.101 R)
• M15: 13,239,112 km (0.094 R)
• M16: 14,343,294 km (0.115 R)
• M17: 15,095,921 km (0.105 R)
• M18: 19,806,608 km (0.042 R)
• M19: 20,677,118 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 9.8

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.43 AU - 10.77 AU

Year: 11327 Days

Day: 11.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,630,536 km

• M1: 145,260 km (0.09 R)
• M2: 457,321 km (0.119 R)
• M3: 1,087,577 km (0.114 R)
• M4: 2,576,075 km (0.091 R)
• M5: 3,923,204 km (0.087 R)
• M6: 4,374,391 km (0.082 R)
• M7: 5,381,035 km (0.067 R)
• M8: 7,211,964 km (0.113 R)
• M9: 8,156,076 km (0.05 R)
• M10: 11,259,783 km (0.067 R)
• M11: 12,290,811 km (0.112 R)
• M12: 12,768,777 km (0.09 R)
• M13: 13,634,948 km (0.079 R)
• M14: 16,469,080 km (0.105 R)
• M15: 18,719,182 km (0.082 R)
• M16: 23,182,284 km (0.106 R)
• M17: 29,141,815 km (0.032 R)
• M18: 29,885,017 km (0.119 R)
• M19: 32,642,555 km (0.111 R)
• M20: 33,213,719 km (0.044 R)
• M21: 36,905,047 km (0.095 R)
• M22: 39,041,155 km (0.075 R)
• M23: 41,524,629 km (0.117 R)
• M24: 46,659,725 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 11

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.46 AU - 12.16 AU

Year: 11700 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,630,536 km

• M1: 136,882 km (0.093 R)
• M2: 641,176 km (0.042 R)
• M3: 1,076,207 km (0.099 R)
• M4: 2,458,791 km (0.095 R)
• M5: 2,909,679 km (0.103 R)
• M6: 4,227,486 km (0.118 R)
• M7: 5,131,207 km (0.049 R)
• M8: 5,837,309 km (0.114 R)
• M9: 6,306,149 km (0.093 R)
• M10: 6,957,049 km (0.08 R)
• M11: 7,652,230 km (0.111 R)
• M12: 8,126,306 km (0.081 R)
• M13: 10,638,353 km (0.117 R)
• M14: 11,786,068 km (0.082 R)
• M15: 12,302,480 km (0.074 R)
• M16: 13,628,516 km (0.05 R)
• M17: 14,981,030 km (0.102 R)
• M18: 16,848,909 km (0.097 R)
• M19: 19,101,105 km (0.05 R)
• M20: 21,377,685 km (0.068 R)
• M21: 23,022,065 km (0.053 R)
• M22: 23,829,594 km (0.116 R)
• M23: 37,698,514 km (0.11 R)
• M24: 39,964,174 km (0.119 R)
• M25: 40,739,091 km (0.055 R)
• M26: 41,392,534 km (0.097 R)
• M27: 41,920,465 km (0.086 R)
• M28: 44,765,218 km (0.114 R)
• M29: 45,181,848 km (0.098 R)
• M30: 45,601,171 km (0.085 R)
• M31: 47,592,019 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.6

Radius: 3.1

Gravity: 89.24 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 10.58 AU - 13.32 AU

Year: 15731 Days

Day: 24.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 66,630,536 km

• M1: 38,596 km (0.08 R)
• M2: 226,042 km (0.067 R)
• M3: 330,013 km (0.097 R)
• M4: 667,057 km (0.08 R)
• M5: 968,197 km (0.091 R)
• M6: 1,196,633 km (0.099 R)
• M7: 1,352,963 km (0.069 R)
• M8: 1,604,736 km (0.102 R)
• M9: 1,849,778 km (0.115 R)
• M10: 2,435,902 km (0.117 R)
• M11: 3,242,833 km (0.076 R)
• M12: 3,633,732 km (0.108 R)
• M13: 3,810,557 km (0.089 R)
• M14: 4,677,925 km (0.072 R)
• M15: 5,787,044 km (0.111 R)
• M16: 6,110,175 km (0.096 R)
• M17: 6,318,116 km (0.086 R)
• M18: 7,382,356 km (0.06 R)
• M19: 7,956,812 km (0.081 R)
• M20: 10,732,899 km (0.106 R)
• M21: 11,096,721 km (0.091 R)
• M22: 13,040,147 km (0.051 R)
• M23: 13,524,246 km (0.056 R)
• M24: 14,601,650 km (0.118 R)
• M25: 22,289,784 km (0.066 R)
• M26: 23,382,147 km (0.052 R)
• M27: 23,483,275 km (0.102 R)
• M28: 24,718,804 km (0.107 R)
• M29: 25,140,072 km (0.095 R)
• M30: 29,619,331 km (0.07 R)
• M31: 32,546,962 km (0.06 R)
• M32: 40,405,487 km (0.059 R)
• M33: 49,106,249 km (0.057 R)
• M34: 49,438,207 km (0.109 R)
• M35: 49,604,709 km (0.094 R)
• M36: 49,771,660 km (0.114 R)
• M37: 51,632,209 km (0.077 R)
• M38: 52,320,060 km (0.071 R)
• M39: 53,714,163 km (0.084 R)
• M40: 54,420,414 km (0.083 R)
• M41: 58,975,221 km (0.083 R)
• M42: 60,866,138 km (0.081 R)
• M43: 68,626,826 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.9

Radius: 7.3

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 16.3 AU - 17 AU

Year: 25871 Days

Day: 21.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,630,536 km

• M1: 90,806 km (0.068 R)
• M2: 353,201 km (0.12 R)
• M3: 623,075 km (0.09 R)
• M4: 1,273,826 km (0.112 R)
• M5: 1,764,507 km (0.119 R)
• M6: 6,911,272 km (0.119 R)
• M7: 8,308,815 km (0.05 R)
• M8: 9,664,322 km (0.116 R)
• M9: 10,053,276 km (0.037 R)
• M10: 13,343,980 km (0.052 R)
• M11: 14,107,079 km (0.108 R)
• M12: 16,103,014 km (0.094 R)
• M13: 17,128,208 km (0.069 R)
• M14: 17,780,156 km (0.106 R)
• M15: 19,133,867 km (0.074 R)
• M16: 24,006,868 km (0.066 R)
• M17: 28,955,565 km (0.092 R)
• M18: 34,543,794 km (0.049 R)
• M19: 48,760,080 km (0.066 R)
• M20: 51,064,336 km (0.118 R)
• M21: 53,096,174 km (0.047 R)
• M22: 58,228,129 km (0.087 R)
• M23: 58,777,153 km (0.09 R)
• M24: 64,850,079 km (0.033 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 13,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit