🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.5

Radius: 13.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.67 AU - 0.71 AU

Year: 370 Days

Day: 5.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,782,689 km

• M1: 162,912 km (0.113 R)
• M2: 588,668 km (0.087 R)
• M3: 1,116,299 km (0.096 R)
• M4: 1,707,510 km (0.08 R)
• M5: 2,338,664 km (0.08 R)
• M6: 2,754,994 km (0.028 R)
• M7: 3,879,073 km (0.08 R)
• M8: 4,468,339 km (0.109 R)
• M9: 5,643,729 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.8

Radius: 12.2

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.72 AU - 1.06 AU

Year: 542 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,782,689 km

• M1: 152,590 km (0.057 R)
• M2: 559,496 km (0.06 R)
• M3: 1,158,636 km (0.103 R)
• M4: 1,549,834 km (0.101 R)
• M5: 2,269,848 km (0.091 R)
• M6: 2,773,395 km (0.026 R)
• M7: 3,757,001 km (0.117 R)
• M8: 4,270,122 km (0.079 R)
• M9: 4,732,977 km (0.107 R)
• M10: 5,229,343 km (0.076 R)
• M11: 5,633,257 km (0.038 R)
• M12: 6,057,966 km (0.115 R)
• M13: 6,464,573 km (0.109 R)
• M14: 7,077,026 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.3

Radius: 9.9

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.01 AU - 1.01 AU

Year: 655 Days

Day: 6.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,782,689 km

• M1: 123,119 km (0.09 R)
• M2: 445,502 km (0.102 R)
• M3: 880,084 km (0.075 R)
• M4: 1,200,373 km (0.112 R)
• M5: 1,541,456 km (0.103 R)
• M6: 2,452,059 km (0.12 R)
• M7: 3,210,969 km (0.111 R)
• M8: 3,686,989 km (0.114 R)
• M9: 5,011,828 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792

Radius: 8.1

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.83 AU - 1.33 AU

Year: 725 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,782,689 km

• M1: 100,679 km (0.108 R)
• M2: 549,323 km (0.053 R)
• M3: 837,000 km (0.047 R)
• M4: 1,187,657 km (0.114 R)
• M5: 1,476,980 km (0.072 R)
• M6: 1,769,892 km (0.055 R)
• M7: 2,631,277 km (0.089 R)
• M8: 3,027,711 km (0.09 R)
• M9: 4,476,866 km (0.066 R)
• M10: 5,205,707 km (0.052 R)
• M11: 5,484,557 km (0.075 R)
• M12: 6,092,373 km (0.111 R)
• M13: 6,423,284 km (0.085 R)
• M14: 6,853,677 km (0.116 R)
• M15: 7,772,357 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.3

Radius: 13.1

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.25 AU - 1.77 AU

Year: 1198 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,782,689 km

• M1: 163,211 km (0.063 R)
• M2: 604,226 km (0.12 R)
• M3: 1,017,415 km (0.074 R)
• M4: 1,480,570 km (0.043 R)
• M5: 2,841,612 km (0.098 R)
• M6: 3,290,854 km (0.053 R)
• M7: 4,265,933 km (0.106 R)
• M8: 4,691,838 km (0.115 R)
• M9: 5,264,499 km (0.076 R)
• M10: 5,926,469 km (0.109 R)
• M11: 7,071,491 km (0.054 R)
• M12: 7,543,622 km (0.05 R)
• M13: 7,957,260 km (0.056 R)
• M14: 9,232,433 km (0.114 R)
• M15: 9,646,370 km (0.07 R)
• M16: 10,259,422 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.7

Radius: 14.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.26 AU - 2.84 AU

Year: 2629 Days

Day: 11.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,782,689 km

• M1: 181,612 km (0.081 R)
• M2: 923,168 km (0.057 R)
• M3: 1,464,713 km (0.079 R)
• M4: 2,098,559 km (0.041 R)
• M5: 2,996,595 km (0.112 R)
• M6: 3,981,398 km (0.111 R)
• M7: 4,829,917 km (0.081 R)
• M8: 5,297,709 km (0.07 R)
• M9: 5,796,020 km (0.086 R)
• M10: 6,963,332 km (0.07 R)
• M11: 7,917,019 km (0.082 R)
• M12: 10,413,957 km (0.08 R)
• M13: 11,305,111 km (0.095 R)
• M14: 11,842,167 km (0.06 R)
• M15: 12,698,765 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 9.2

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.22 AU - 2.94 AU

Year: 2676 Days

Day: 11.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,782,689 km

• M1: 114,442 km (0.113 R)
• M2: 547,229 km (0.069 R)
• M3: 870,510 km (0.098 R)
• M4: 1,278,015 km (0.115 R)
• M5: 2,109,480 km (0.055 R)
• M6: 2,441,288 km (0.09 R)
• M7: 3,520,487 km (0.111 R)
• M8: 3,849,153 km (0.091 R)
• M9: 5,681,877 km (0.058 R)
• M10: 6,556,575 km (0.07 R)
• M11: 7,177,706 km (0.1 R)
• M12: 7,550,055 km (0.079 R)
• M13: 8,033,406 km (0.084 R)
• M14: 9,460,569 km (0.116 R)
• M15: 10,137,649 km (0.104 R)
• M16: 11,172,418 km (0.051 R)
• M17: 13,311,518 km (0.063 R)
• M18: 14,600,154 km (0.109 R)
• M19: 14,947,370 km (0.119 R)
• M20: 15,249,409 km (0.03 R)
• M21: 16,713,074 km (0.103 R)
• M22: 17,534,666 km (0.084 R)
• M23: 19,139,851 km (0.113 R)
• M24: 19,917,610 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.8

Radius: 3.7

Gravity: 63.39 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.25 AU - 6.81 AU

Year: 10774 Days

Day: 22.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,782,689 km

• M1: 47,123 km (0.051 R)
• M2: 165,605 km (0.106 R)
• M3: 443,707 km (0.115 R)
• M4: 761,902 km (0.067 R)
• M5: 1,346,979 km (0.102 R)
• M6: 1,684,322 km (0.12 R)
• M7: 1,985,463 km (0.064 R)
• M8: 2,586,996 km (0.115 R)
• M9: 2,987,619 km (0.119 R)
• M10: 3,505,527 km (0.09 R)
• M11: 3,799,636 km (0.057 R)
• M12: 3,995,161 km (0.06 R)
• M13: 5,075,407 km (0.113 R)
• M14: 5,994,237 km (0.119 R)
• M15: 6,651,720 km (0.088 R)
• M16: 7,185,934 km (0.114 R)
• M17: 7,485,129 km (0.109 R)
• M18: 9,457,727 km (0.108 R)
• M19: 11,634,376 km (0.066 R)
• M20: 15,632,828 km (0.099 R)
• M21: 17,170,844 km (0.118 R)
• M22: 18,250,491 km (0.096 R)
• M23: 18,487,604 km (0.095 R)
• M24: 20,205,137 km (0.114 R)
• M25: 22,747,852 km (0.076 R)
• M26: 33,493,018 km (0.112 R)
• M27: 35,295,074 km (0.083 R)
• M28: 36,782,526 km (0.085 R)
• M29: 39,749,351 km (0.076 R)
• M30: 40,952,417 km (0.036 R)
• M31: 42,593,955 km (0.076 R)
• M32: 45,137,717 km (0.077 R)
• M33: 46,888,610 km (0.118 R)
• M34: 49,599,174 km (0.11 R)
• M35: 49,752,661 km (0.094 R)
• M36: 51,463,014 km (0.1 R)
• M37: 54,508,827 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.1

Radius: 6.3

Gravity: 20.71 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.3 AU - 8.3 AU

Year: 11449 Days

Day: 19.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,782,689 km

• M1: 80,334 km (0.08 R)
• M2: 376,687 km (0.047 R)
• M3: 738,116 km (0.099 R)
• M4: 958,623 km (0.083 R)
• M5: 1,408,165 km (0.049 R)
• M6: 1,627,026 km (0.109 R)
• M7: 2,208,962 km (0.11 R)
• M8: 2,852,682 km (0.082 R)
• M9: 3,483,237 km (0.065 R)
• M10: 4,028,521 km (0.05 R)
• M11: 5,496,974 km (0.03 R)
• M12: 8,180,012 km (0.082 R)
• M13: 10,065,842 km (0.116 R)
• M14: 10,772,543 km (0.105 R)
• M15: 12,223,642 km (0.067 R)
• M16: 12,901,620 km (0.12 R)
• M17: 13,474,879 km (0.078 R)
• M18: 13,734,880 km (0.074 R)
• M19: 14,064,743 km (0.102 R)
• M20: 14,265,204 km (0.076 R)
• M21: 15,650,630 km (0.118 R)
• M22: 17,123,421 km (0.107 R)
• M23: 19,173,062 km (0.062 R)
• M24: 22,363,834 km (0.087 R)
• M25: 23,564,058 km (0.116 R)
• M26: 27,734,697 km (0.107 R)
• M27: 28,261,880 km (0.096 R)
• M28: 33,428,841 km (0.073 R)
• M29: 33,666,851 km (0.094 R)
• M30: 34,629,813 km (0.085 R)
• M31: 34,995,729 km (0.071 R)
• M32: 37,117,625 km (0.115 R)
• M33: 40,122,897 km (0.112 R)
• M34: 41,478,702 km (0.091 R)
• M35: 46,022,289 km (0.116 R)
• M36: 47,808,188 km (0.064 R)
• M37: 49,177,757 km (0.119 R)
• M38: 51,994,685 km (0.12 R)
• M39: 55,248,588 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.2

Radius: 3.3

Gravity: 77.7 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.22 AU - 11.54 AU

Year: 20052 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,782,689 km

• M1: 40,990 km (0.101 R)
• M2: 182,360 km (0.071 R)
• M3: 369,656 km (0.075 R)
• M4: 479,162 km (0.069 R)
• M5: 935,435 km (0.079 R)
• M6: 1,115,402 km (0.115 R)
• M7: 1,562,251 km (0.052 R)
• M8: 1,797,269 km (0.104 R)
• M9: 2,097,213 km (0.057 R)
• M10: 2,406,132 km (0.109 R)
• M11: 2,694,557 km (0.092 R)
• M12: 3,456,309 km (0.103 R)
• M13: 3,791,558 km (0.072 R)
• M14: 4,081,628 km (0.089 R)
• M15: 4,282,987 km (0.076 R)
• M16: 4,455,922 km (0.117 R)
• M17: 5,674,696 km (0.044 R)
• M18: 7,639,664 km (0.097 R)
• M19: 9,081,040 km (0.11 R)
• M20: 12,488,131 km (0.108 R)
• M21: 14,319,359 km (0.106 R)
• M22: 15,825,360 km (0.09 R)
• M23: 16,322,025 km (0.093 R)
• M24: 16,743,891 km (0.099 R)
• M25: 19,147,779 km (0.03 R)
• M26: 20,872,045 km (0.079 R)
• M27: 22,179,979 km (0.074 R)
• M28: 23,971,264 km (0.091 R)
• M29: 26,893,957 km (0.067 R)
• M30: 33,030,611 km (0.033 R)
• M31: 34,388,063 km (0.1 R)
• M32: 41,112,936 km (0.07 R)
• M33: 41,423,650 km (0.058 R)
• M34: 43,001,010 km (0.084 R)
• M35: 44,291,292 km (0.114 R)
• M36: 50,418,073 km (0.067 R)
• M37: 51,491,138 km (0.091 R)
• M38: 66,642,560 km (0.086 R)
• M39: 81,049,284 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 18,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit