🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 12.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.45 AU - 0.73 AU

Year: 313 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,586,695 km

• M1: 157,975 km (0.097 R)
• M2: 598,092 km (0.103 R)
• M3: 1,105,379 km (0.09 R)
• M4: 1,565,243 km (0.097 R)
• M5: 1,966,015 km (0.064 R)
• M6: 2,719,988 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.8

Radius: 13.7

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.63 AU - 0.83 AU

Year: 431 Days

Day: 7.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,586,695 km

• M1: 170,392 km (0.088 R)
• M2: 603,478 km (0.086 R)
• M3: 1,060,051 km (0.094 R)
• M4: 1,554,322 km (0.076 R)
• M5: 2,088,237 km (0.069 R)
• M6: 2,781,324 km (0.056 R)
• M7: 3,557,138 km (0.084 R)
• M8: 4,369,604 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 14.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.78 AU - 3.56 AU

Year: 3896 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,586,695 km

• M1: 225,743 km (0.038 R)
• M2: 737,518 km (0.079 R)
• M3: 1,209,798 km (0.108 R)
• M4: 1,729,800 km (0.1 R)
• M5: 2,430,217 km (0.116 R)
• M6: 3,597,380 km (0.109 R)
• M7: 4,385,462 km (0.118 R)
• M8: 5,261,208 km (0.087 R)
• M9: 7,361,412 km (0.105 R)
• M10: 7,980,897 km (0.082 R)
• M11: 11,064,259 km (0.115 R)
• M12: 11,747,622 km (0.052 R)
• M13: 12,871,700 km (0.119 R)
• M14: 14,313,973 km (0.102 R)
• M15: 15,281,722 km (0.09 R)
• M16: 18,329,928 km (0.095 R)
• M17: 20,468,579 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.8

Radius: 14.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.51 AU - 4.07 AU

Year: 4119 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,586,695 km

• M1: 182,210 km (0.051 R)
• M2: 872,904 km (0.086 R)
• M3: 1,424,022 km (0.119 R)
• M4: 2,046,648 km (0.114 R)
• M5: 2,741,680 km (0.087 R)
• M6: 4,395,784 km (0.099 R)
• M7: 5,152,300 km (0.093 R)
• M8: 6,072,776 km (0.106 R)
• M9: 9,288,233 km (0.095 R)
• M10: 9,935,842 km (0.118 R)
• M11: 10,729,458 km (0.106 R)
• M12: 12,103,665 km (0.076 R)
• M13: 14,239,623 km (0.109 R)
• M14: 16,825,871 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.1

Radius: 8.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.75 AU - 4.27 AU

Year: 5543 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,586,695 km

• M1: 109,506 km (0.098 R)
• M2: 394,041 km (0.078 R)
• M3: 1,430,305 km (0.11 R)
• M4: 1,802,954 km (0.098 R)
• M5: 2,312,185 km (0.111 R)
• M6: 2,664,936 km (0.063 R)
• M7: 3,637,173 km (0.118 R)
• M8: 4,094,943 km (0.085 R)
• M9: 4,637,684 km (0.116 R)
• M10: 5,594,362 km (0.056 R)
• M11: 6,034,329 km (0.089 R)
• M12: 6,438,244 km (0.055 R)
• M13: 7,625,901 km (0.059 R)
• M14: 8,029,666 km (0.116 R)
• M15: 8,341,876 km (0.084 R)
• M16: 8,698,219 km (0.108 R)
• M17: 10,969,264 km (0.111 R)
• M18: 13,031,321 km (0.091 R)
• M19: 22,343,040 km (0.107 R)
• M20: 23,310,490 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.9

Radius: 3.8

Gravity: 34 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.3 AU - 8.44 AU

Year: 12429 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 49,586,695 km

• M1: 47,273 km (0.066 R)
• M2: 273,914 km (0.109 R)
• M3: 455,526 km (0.11 R)
• M4: 1,011,581 km (0.11 R)
• M5: 1,438,982 km (0.09 R)
• M6: 2,618,112 km (0.067 R)
• M7: 3,194,064 km (0.064 R)
• M8: 3,691,327 km (0.101 R)
• M9: 3,931,282 km (0.097 R)
• M10: 4,209,983 km (0.072 R)
• M11: 4,996,120 km (0.072 R)
• M12: 6,276,977 km (0.076 R)
• M13: 7,134,173 km (0.117 R)
• M14: 8,110,897 km (0.049 R)
• M15: 8,654,237 km (0.097 R)
• M16: 9,125,321 km (0.088 R)
• M17: 9,367,220 km (0.093 R)
• M18: 9,863,736 km (0.072 R)
• M19: 11,968,578 km (0.085 R)
• M20: 13,278,756 km (0.099 R)
• M21: 13,904,673 km (0.061 R)
• M22: 14,354,514 km (0.11 R)
• M23: 15,900,608 km (0.104 R)
• M24: 16,392,336 km (0.035 R)
• M25: 16,534,604 km (0.098 R)
• M26: 20,121,811 km (0.071 R)
• M27: 22,663,629 km (0.099 R)
• M28: 25,602,180 km (0.116 R)
• M29: 26,766,500 km (0.089 R)
• M30: 27,562,061 km (0.081 R)
• M31: 29,619,780 km (0.03 R)
• M32: 29,831,012 km (0.09 R)
• M33: 30,685,964 km (0.11 R)
• M34: 34,153,493 km (0.104 R)
• M35: 34,385,669 km (0.108 R)
• M36: 36,281,972 km (0.073 R)
• M37: 37,133,183 km (0.086 R)
• M38: 40,540,873 km (0.111 R)
• M39: 41,062,671 km (0.1 R)
• M40: 49,586,757 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 11,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit