🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

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: 324.3

Radius: 9.8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.53 AU - 0.75 AU

Year: 341 Days

Day: 7.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,892,776 km

• M1: 121,922 km (0.09 R)
• M2: 512,373 km (0.112 R)
• M3: 823,686 km (0.077 R)
• M4: 1,309,281 km (0.119 R)
• M5: 1,861,147 km (0.108 R)
• M6: 2,214,796 km (0.081 R)
• M7: 2,656,709 km (0.099 R)
• M8: 2,974,006 km (0.058 R)
• M9: 3,482,040 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521

Radius: 9.2

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.97 AU - 0.99 AU

Year: 647 Days

Day: 12.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,892,776 km

• M1: 114,442 km (0.074 R)
• M2: 419,472 km (0.1 R)
• M3: 733,927 km (0.081 R)
• M4: 1,319,603 km (0.05 R)
• M5: 1,627,774 km (0.079 R)
• M6: 2,072,678 km (0.111 R)
• M7: 2,545,109 km (0.112 R)
• M8: 2,868,689 km (0.068 R)
• M9: 3,787,220 km (0.064 R)
• M10: 4,138,326 km (0.087 R)
• M11: 4,588,466 km (0.082 R)
• M12: 4,922,668 km (0.115 R)
• M13: 5,894,455 km (0.097 R)
• M14: 6,543,860 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.2

Radius: 11.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.03 AU - 2.07 AU

Year: 1957 Days

Day: 14.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,892,776 km

• M1: 151,692 km (0.113 R)
• M2: 551,268 km (0.076 R)
• M3: 1,058,106 km (0.088 R)
• M4: 1,472,193 km (0.102 R)
• M5: 2,296,776 km (0.078 R)
• M6: 2,712,957 km (0.096 R)
• M7: 3,934,424 km (0.067 R)
• M8: 5,921,233 km (0.098 R)
• M9: 6,792,342 km (0.025 R)
• M10: 8,472,924 km (0.102 R)
• M11: 10,026,049 km (0.097 R)
• M12: 11,149,380 km (0.079 R)
• M13: 12,638,776 km (0.079 R)
• M14: 14,212,695 km (0.08 R)
• M15: 15,394,219 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820

Radius: 10

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.98 AU - 3.08 AU

Year: 2684 Days

Day: 13.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,892,776 km

• M1: 124,465 km (0.116 R)
• M2: 453,282 km (0.094 R)
• M3: 1,131,259 km (0.057 R)
• M4: 2,966,227 km (0.064 R)
• M5: 3,607,553 km (0.091 R)
• M6: 4,902,322 km (0.112 R)
• M7: 6,012,638 km (0.106 R)
• M8: 6,512,295 km (0.084 R)
• M9: 6,860,708 km (0.091 R)
• M10: 9,040,499 km (0.028 R)
• M11: 9,659,834 km (0.038 R)
• M12: 9,998,972 km (0.104 R)
• M13: 12,247,877 km (0.083 R)
• M14: 14,665,977 km (0.086 R)
• M15: 16,197,261 km (0.091 R)
• M16: 18,343,841 km (0.1 R)
• M17: 20,797,994 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 12.6

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.35 AU - 3.89 AU

Year: 4593 Days

Day: 7.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,892,776 km

• M1: 157,227 km (0.04 R)
• M2: 558,000 km (0.112 R)
• M3: 1,259,913 km (0.077 R)
• M4: 1,903,932 km (0.114 R)
• M5: 3,207,229 km (0.105 R)
• M6: 5,450,748 km (0.09 R)
• M7: 6,191,856 km (0.09 R)
• M8: 8,666,803 km (0.084 R)
• M9: 13,547,134 km (0.055 R)
• M10: 15,303,563 km (0.072 R)
• M11: 17,145,412 km (0.099 R)
• M12: 17,706,853 km (0.118 R)
• M13: 22,427,114 km (0.119 R)
• M14: 24,170,528 km (0.11 R)
• M15: 29,053,702 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.9

Radius: 11.3

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.62 AU - 5.76 AU

Year: 6773 Days

Day: 14.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,892,776 km

• M1: 140,472 km (0.084 R)
• M2: 708,795 km (0.079 R)
• M3: 1,126,472 km (0.113 R)
• M4: 1,838,259 km (0.089 R)
• M5: 3,074,386 km (0.106 R)
• M6: 3,821,627 km (0.072 R)
• M7: 5,240,413 km (0.072 R)
• M8: 6,946,727 km (0.089 R)
• M9: 8,566,273 km (0.104 R)
• M10: 9,532,526 km (0.036 R)
• M11: 11,838,427 km (0.081 R)
• M12: 12,701,906 km (0.114 R)
• M13: 13,491,484 km (0.056 R)
• M14: 14,193,996 km (0.066 R)
• M15: 15,293,390 km (0.104 R)
• M16: 16,980,406 km (0.119 R)
• M17: 17,592,261 km (0.068 R)
• M18: 19,077,169 km (0.066 R)
• M19: 19,664,341 km (0.092 R)
• M20: 21,974,132 km (0.086 R)
• M21: 24,202,692 km (0.11 R)
• M22: 25,592,157 km (0.054 R)
• M23: 29,104,415 km (0.095 R)
• M24: 29,589,412 km (0.11 R)
• M25: 31,889,628 km (0.097 R)
• M26: 36,617,819 km (0.095 R)
• M27: 37,410,688 km (0.085 R)
• M28: 38,215,075 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882

Radius: 4

Gravity: 55.13 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.48 AU - 7.53 AU

Year: 12350 Days

Day: 18 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,892,776 km

• M1: 49,816 km (0.088 R)
• M2: 295,456 km (0.093 R)
• M3: 760,556 km (0.079 R)
• M4: 3,137,217 km (0.071 R)
• M5: 4,589,214 km (0.099 R)
• M6: 9,131,454 km (0.116 R)
• M7: 9,546,439 km (0.045 R)
• M8: 10,982,578 km (0.091 R)
• M9: 11,274,444 km (0.115 R)
• M10: 16,596,986 km (0.107 R)
• M11: 19,159,149 km (0.073 R)
• M12: 25,352,501 km (0.103 R)
• M13: 31,337,313 km (0.08 R)
• M14: 39,137,496 km (0.085 R)
• M15: 40,229,560 km (0.114 R)
• M16: 41,061,773 km (0.119 R)
• M17: 43,627,377 km (0.111 R)
• M18: 51,635,051 km (0.048 R)
• M19: 59,309,721 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.8

Radius: 3.4

Gravity: 70.4 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.2 AU - 9.94 AU

Year: 19742 Days

Day: 15.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,892,776 km

• M1: 42,336 km (0.118 R)
• M2: 581,337 km (0.063 R)
• M3: 700,417 km (0.087 R)
• M4: 976,276 km (0.025 R)
• M5: 3,524,825 km (0.101 R)
• M6: 3,705,988 km (0.076 R)
• M7: 4,458,465 km (0.116 R)
• M8: 7,174,115 km (0.064 R)
• M9: 10,143,783 km (0.073 R)
• M10: 13,472,934 km (0.109 R)
• M11: 15,064,805 km (0.091 R)
• M12: 15,222,631 km (0.078 R)
• M13: 15,381,503 km (0.037 R)
• M14: 17,637,290 km (0.106 R)
• M15: 20,974,669 km (0.074 R)
• M16: 21,469,090 km (0.109 R)
• M17: 23,313,482 km (0.086 R)
• M18: 24,058,330 km (0.112 R)
• M19: 25,707,796 km (0.032 R)
• M20: 26,273,874 km (0.052 R)
• M21: 30,977,979 km (0.085 R)
• M22: 36,354,826 km (0.096 R)
• M23: 40,619,861 km (0.068 R)
• M24: 44,392,271 km (0.099 R)
• M25: 44,716,748 km (0.113 R)
• M26: 47,878,948 km (0.088 R)
• M27: 50,301,985 km (0.104 R)
• M28: 52,805,655 km (0.08 R)
• M29: 55,955,737 km (0.076 R)
• M30: 67,642,921 km (0.101 R)
• M31: 68,720,475 km (0.097 R)
• M32: 69,809,547 km (0.036 R)
• M33: 72,245,599 km (0.117 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 14,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit