🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.1

Radius: 9

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.74 AU - 0.82 AU

Year: 445 Days

Day: 8.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,056,729 km

• M1: 111,899 km (0.034 R)
• M2: 454,478 km (0.082 R)
• M3: 763,248 km (0.105 R)
• M4: 1,277,117 km (0.118 R)
• M5: 1,773,782 km (0.118 R)
• M6: 2,236,189 km (0.093 R)
• M7: 2,693,510 km (0.082 R)
• M8: 3,051,049 km (0.064 R)
• M9: 3,809,061 km (0.095 R)
• M10: 4,492,723 km (0.109 R)
• M11: 5,206,903 km (0.093 R)
• M12: 5,625,628 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.7

Radius: 13.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.77 AU - 1.25 AU

Year: 655 Days

Day: 10.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,056,729 km

• M1: 168,447 km (0.086 R)
• M2: 659,876 km (0.074 R)
• M3: 1,287,140 km (0.066 R)
• M4: 2,432,611 km (0.111 R)
• M5: 3,094,881 km (0.046 R)
• M6: 3,592,144 km (0.038 R)
• M7: 4,234,667 km (0.07 R)
• M8: 4,732,678 km (0.096 R)
• M9: 5,599,897 km (0.084 R)
• M10: 6,161,637 km (0.098 R)
• M11: 6,675,805 km (0.047 R)
• M12: 7,743,784 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 8.3

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.34 AU - 2.12 AU

Year: 1469 Days

Day: 12.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,056,729 km

• M1: 103,971 km (0.076 R)
• M2: 483,650 km (0.103 R)
• M3: 759,359 km (0.091 R)
• M4: 1,031,627 km (0.052 R)
• M5: 1,345,483 km (0.088 R)
• M6: 1,608,327 km (0.064 R)
• M7: 1,927,120 km (0.038 R)
• M8: 2,324,003 km (0.099 R)
• M9: 2,626,939 km (0.097 R)
• M10: 3,176,112 km (0.105 R)
• M11: 3,648,991 km (0.115 R)
• M12: 4,078,038 km (0.054 R)
• M13: 4,370,203 km (0.094 R)
• M14: 5,460,921 km (0.116 R)
• M15: 6,282,662 km (0.051 R)
• M16: 6,574,228 km (0.083 R)
• M17: 7,184,438 km (0.067 R)
• M18: 7,804,222 km (0.12 R)
• M19: 8,935,780 km (0.109 R)
• M20: 10,850,334 km (0.083 R)
• M21: 12,256,703 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.2

Radius: 10.7

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.15 AU - 2.59 AU

Year: 2356 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,056,729 km

• M1: 134,040 km (0.098 R)
• M2: 475,422 km (0.106 R)
• M3: 895,194 km (0.074 R)
• M4: 1,284,298 km (0.081 R)
• M5: 1,668,465 km (0.093 R)
• M6: 2,391,621 km (0.038 R)
• M7: 3,046,261 km (0.103 R)
• M8: 3,667,242 km (0.062 R)
• M9: 4,087,163 km (0.077 R)
• M10: 4,799,399 km (0.028 R)
• M11: 5,446,410 km (0.087 R)
• M12: 5,969,105 km (0.104 R)
• M13: 6,362,697 km (0.12 R)
• M14: 7,028,706 km (0.109 R)
• M15: 8,434,478 km (0.096 R)
• M16: 9,623,631 km (0.11 R)
• M17: 9,983,115 km (0.106 R)
• M18: 10,882,497 km (0.076 R)
• M19: 11,591,890 km (0.088 R)
• M20: 12,248,176 km (0.11 R)
• M21: 13,545,190 km (0.03 R)
• M22: 13,997,274 km (0.087 R)
• M23: 14,694,101 km (0.078 R)
• M24: 15,316,728 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 12.6

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.39 AU - 2.83 AU

Year: 2723 Days

Day: 11.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,056,729 km

• M1: 156,629 km (0.103 R)
• M2: 582,534 km (0.083 R)
• M3: 997,519 km (0.054 R)
• M4: 1,488,499 km (0.1 R)
• M5: 1,908,121 km (0.11 R)
• M6: 2,727,468 km (0.088 R)
• M7: 3,923,803 km (0.103 R)
• M8: 4,695,877 km (0.069 R)
• M9: 5,394,350 km (0.083 R)
• M10: 5,845,836 km (0.042 R)
• M11: 6,268,450 km (0.091 R)
• M12: 9,898,891 km (0.086 R)
• M13: 14,934,206 km (0.063 R)
• M14: 15,377,016 km (0.098 R)
• M15: 16,083,267 km (0.116 R)
• M16: 16,496,456 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.2

Radius: 5.3

Gravity: 25.71 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.83 AU - 7.23 AU

Year: 10774 Days

Day: 19.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,056,729 km

• M1: 78,688 km (0.077 R)
• M2: 567,724 km (0.11 R)
• M3: 747,541 km (0.088 R)
• M4: 1,096,403 km (0.117 R)
• M5: 1,807,591 km (0.083 R)
• M6: 2,576,375 km (0.094 R)
• M7: 4,578,293 km (0.105 R)
• M8: 5,050,125 km (0.105 R)
• M9: 6,201,580 km (0.087 R)
• M10: 9,548,832 km (0.037 R)
• M11: 11,349,093 km (0.108 R)
• M12: 12,930,941 km (0.028 R)
• M13: 17,404,665 km (0.078 R)
• M14: 18,008,592 km (0.098 R)
• M15: 24,086,454 km (0.066 R)
• M16: 34,605,727 km (0.065 R)
• M17: 39,679,938 km (0.066 R)
• M18: 44,805,759 km (0.078 R)
• M19: 50,965,302 km (0.114 R)
• M20: 51,271,828 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.3

Radius: 5.1

Gravity: 27.85 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.66 AU - 11.44 AU

Year: 19055 Days

Day: 22.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,056,729 km

• M1: 63,429 km (0.073 R)
• M2: 232,026 km (0.118 R)
• M3: 619,485 km (0.093 R)
• M4: 1,306,887 km (0.099 R)
• M5: 1,709,604 km (0.078 R)
• M6: 1,949,859 km (0.07 R)
• M7: 2,882,901 km (0.102 R)
• M8: 3,089,645 km (0.075 R)
• M9: 4,862,978 km (0.04 R)
• M10: 5,861,095 km (0.106 R)
• M11: 6,067,540 km (0.107 R)
• M12: 6,583,204 km (0.099 R)
• M13: 7,750,516 km (0.085 R)
• M14: 7,999,447 km (0.054 R)
• M15: 8,253,913 km (0.114 R)
• M16: 8,672,039 km (0.082 R)
• M17: 9,437,531 km (0.102 R)
• M18: 9,952,896 km (0.099 R)
• M19: 11,039,724 km (0.107 R)
• M20: 11,228,218 km (0.107 R)
• M21: 12,270,167 km (0.064 R)
• M22: 15,543,967 km (0.055 R)
• M23: 17,592,710 km (0.081 R)
• M24: 19,722,534 km (0.087 R)
• M25: 20,186,886 km (0.101 R)
• M26: 25,456,770 km (0.093 R)
• M27: 26,229,593 km (0.045 R)
• M28: 27,475,444 km (0.104 R)
• M29: 33,769,475 km (0.092 R)
• M30: 37,319,582 km (0.082 R)
• M31: 44,512,248 km (0.099 R)
• M32: 45,310,652 km (0.088 R)
• M33: 46,771,924 km (0.101 R)
• M34: 50,648,304 km (0.114 R)
• M35: 54,733,523 km (0.109 R)
• M36: 54,916,032 km (0.115 R)
• M37: 59,417,133 km (0.08 R)
• M38: 70,000,284 km (0.115 R)
• M39: 75,056,692 km (0.04 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 11,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit