🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 13.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.59 AU - 0.69 AU

Year: 360 Days

Day: 5.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,974,661 km

• M1: 162,912 km (0.03 R)
• M2: 611,406 km (0.114 R)
• M3: 1,028,037 km (0.069 R)
• M4: 1,498,671 km (0.104 R)
• M5: 1,946,418 km (0.116 R)
• M6: 2,521,622 km (0.048 R)
• M7: 3,220,094 km (0.11 R)
• M8: 3,763,284 km (0.042 R)
• M9: 4,353,448 km (0.099 R)
• M10: 5,065,833 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.5

Radius: 11

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.01 AU - 1.43 AU

Year: 947 Days

Day: 10.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,974,661 km

• M1: 136,732 km (0.111 R)
• M2: 522,845 km (0.092 R)
• M3: 964,906 km (0.1 R)
• M4: 1,335,909 km (0.106 R)
• M5: 2,096,465 km (0.11 R)
• M6: 2,955,306 km (0.114 R)
• M7: 3,662,305 km (0.054 R)
• M8: 4,384,115 km (0.099 R)
• M9: 4,972,932 km (0.073 R)
• M10: 5,340,345 km (0.05 R)
• M11: 7,147,637 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.3

Radius: 8

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.7 AU - 5 AU

Year: 6377 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 22,974,661 km

• M1: 99,483 km (0.119 R)
• M2: 415,433 km (0.112 R)
• M3: 879,336 km (0.118 R)
• M4: 1,204,861 km (0.113 R)
• M5: 1,610,421 km (0.087 R)
• M6: 1,879,548 km (0.097 R)
• M7: 2,820,069 km (0.105 R)
• M8: 3,293,696 km (0.066 R)
• M9: 3,953,423 km (0.076 R)
• M10: 4,647,407 km (0.059 R)
• M11: 5,090,666 km (0.091 R)
• M12: 5,533,176 km (0.086 R)
• M13: 6,527,105 km (0.082 R)
• M14: 7,049,800 km (0.076 R)
• M15: 8,178,665 km (0.103 R)
• M16: 9,301,846 km (0.109 R)
• M17: 10,306,396 km (0.117 R)
• M18: 11,755,999 km (0.068 R)
• M19: 12,778,201 km (0.051 R)
• M20: 13,030,124 km (0.077 R)
• M21: 13,543,843 km (0.11 R)
• M22: 14,502,616 km (0.071 R)
• M23: 14,776,679 km (0.112 R)
• M24: 16,258,596 km (0.092 R)
• M25: 17,096,344 km (0.059 R)
• M26: 17,402,421 km (0.112 R)
• M27: 20,598,430 km (0.107 R)
• M28: 27,200,334 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.1

Radius: 12.7

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.73 AU - 4.77 AU

Year: 7277 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,974,661 km

• M1: 168,447 km (0.081 R)
• M2: 1,751,193 km (0.109 R)
• M3: 2,548,998 km (0.095 R)
• M4: 6,403,088 km (0.113 R)
• M5: 11,343,109 km (0.079 R)
• M6: 12,106,656 km (0.06 R)
• M7: 12,795,854 km (0.115 R)
• M8: 15,569,548 km (0.106 R)
• M9: 16,641,417 km (0.117 R)
• M10: 18,100,894 km (0.117 R)
• M11: 22,592,570 km (0.101 R)
• M12: 26,085,231 km (0.12 R)
• M13: 26,789,089 km (0.109 R)
• M14: 31,975,946 km (0.116 R)
• M15: 32,884,006 km (0.104 R)
• M16: 34,857,501 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.6

Radius: 14.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.66 AU - 5.14 AU

Year: 7624 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 22,974,661 km

• M1: 179,817 km (0.088 R)
• M2: 657,333 km (0.111 R)
• M3: 1,163,273 km (0.045 R)
• M4: 1,669,213 km (0.066 R)
• M5: 2,341,356 km (0.118 R)
• M6: 3,063,316 km (0.077 R)
• M7: 3,546,816 km (0.111 R)
• M8: 4,030,765 km (0.094 R)
• M9: 6,051,982 km (0.111 R)
• M10: 7,380,561 km (0.054 R)
• M11: 8,636,883 km (0.076 R)
• M12: 9,566,036 km (0.113 R)
• M13: 10,031,435 km (0.064 R)
• M14: 10,511,943 km (0.077 R)
• M15: 11,159,552 km (0.085 R)
• M16: 12,480,202 km (0.088 R)
• M17: 14,440,234 km (0.116 R)
• M18: 18,459,330 km (0.045 R)
• M19: 22,267,045 km (0.077 R)
• M20: 24,012,253 km (0.1 R)
• M21: 25,137,379 km (0.113 R)
• M22: 30,689,854 km (0.056 R)
• M23: 33,697,220 km (0.119 R)
• M24: 35,217,284 km (0.079 R)
• M25: 36,218,392 km (0.111 R)
• M26: 37,009,915 km (0.059 R)
• M27: 38,862,834 km (0.098 R)
• M28: 39,335,414 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88

Radius: 6.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.77 AU - 7.83 AU

Year: 11115 Days

Day: 16.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,974,661 km

• M1: 83,625 km (0.091 R)
• M2: 325,076 km (0.106 R)
• M3: 536,757 km (0.074 R)
• M4: 823,387 km (0.065 R)
• M5: 1,037,312 km (0.078 R)
• M6: 1,468,303 km (0.059 R)
• M7: 2,082,103 km (0.1 R)
• M8: 2,392,668 km (0.116 R)
• M9: 2,716,847 km (0.086 R)
• M10: 2,979,092 km (0.09 R)
• M11: 4,974,578 km (0.117 R)
• M12: 6,581,708 km (0.108 R)
• M13: 8,288,470 km (0.088 R)
• M14: 9,578,004 km (0.083 R)
• M15: 11,039,874 km (0.105 R)
• M16: 11,304,513 km (0.119 R)
• M17: 13,327,674 km (0.07 R)
• M18: 21,638,135 km (0.098 R)
• M19: 25,952,388 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.9

Radius: 6.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.72 AU - 7.68 AU

Year: 13580 Days

Day: 20.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 89.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,974,661 km

• M1: 194,477 km (0.087 R)
• M2: 725,550 km (0.105 R)
• M3: 1,302,848 km (0.1 R)
• M4: 2,423,037 km (0.054 R)
• M5: 3,621,764 km (0.047 R)
• M6: 4,543,736 km (0.108 R)
• M7: 5,324,787 km (0.099 R)
• M8: 6,393,514 km (0.089 R)
• M9: 7,997,652 km (0.041 R)
• M10: 9,544,344 km (0.106 R)
• M11: 11,068,447 km (0.11 R)
• M12: 21,893,050 km (0.077 R)
• M13: 22,632,961 km (0.103 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: 412 - 18,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit