🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 11.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.26 AU - 1.56 AU

Year: 1177 Days

Day: 11.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,751,600 km

• M1: 172,935 km (0.027 R)
• M2: 715,676 km (0.112 R)
• M3: 1,278,015 km (0.088 R)
• M4: 1,648,269 km (0.086 R)
• M5: 2,042,161 km (0.034 R)
• M6: 2,575,776 km (0.1 R)
• M7: 3,455,112 km (0.118 R)
• M8: 4,190,685 km (0.115 R)
• M9: 4,683,311 km (0.076 R)
• M10: 5,486,652 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.5

Radius: 8.6

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.46 AU - 1.72 AU

Year: 1409 Days

Day: 13 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,751,600 km

• M1: 106,962 km (0.101 R)
• M2: 429,196 km (0.057 R)
• M3: 717,920 km (0.03 R)
• M4: 1,141,581 km (0.096 R)
• M5: 1,946,867 km (0.049 R)
• M6: 2,258,629 km (0.071 R)
• M7: 2,590,437 km (0.059 R)
• M8: 3,273,650 km (0.096 R)
• M9: 3,548,761 km (0.113 R)
• M10: 3,874,435 km (0.055 R)
• M11: 4,371,549 km (0.118 R)
• M12: 5,078,698 km (0.098 R)
• M13: 6,121,545 km (0.086 R)
• M14: 9,440,673 km (0.116 R)
• M15: 10,479,331 km (0.114 R)
• M16: 10,794,683 km (0.07 R)
• M17: 12,428,741 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718

Radius: 12.4

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.89 AU - 2.19 AU

Year: 2048 Days

Day: 12.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,751,600 km

• M1: 154,235 km (0.032 R)
• M2: 989,590 km (0.039 R)
• M3: 1,413,999 km (0.058 R)
• M4: 2,364,843 km (0.09 R)
• M5: 3,667,691 km (0.071 R)
• M6: 4,130,098 km (0.106 R)
• M7: 4,673,437 km (0.037 R)
• M8: 5,106,374 km (0.062 R)
• M9: 5,733,338 km (0.086 R)
• M10: 6,756,289 km (0.105 R)
• M11: 7,718,353 km (0.085 R)
• M12: 8,140,069 km (0.079 R)
• M13: 8,866,666 km (0.086 R)
• M14: 9,499,016 km (0.072 R)
• M15: 10,928,872 km (0.073 R)
• M16: 12,828,616 km (0.118 R)
• M17: 15,218,591 km (0.087 R)
• M18: 16,767,528 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.1

Radius: 14.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.97 AU - 3.05 AU

Year: 2795 Days

Day: 14.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,751,600 km

• M1: 176,675 km (0.075 R)
• M2: 709,094 km (0.074 R)
• M3: 1,454,989 km (0.095 R)
• M4: 2,138,352 km (0.096 R)
• M5: 2,661,945 km (0.109 R)
• M6: 4,074,896 km (0.108 R)
• M7: 4,681,516 km (0.098 R)
• M8: 5,448,055 km (0.112 R)
• M9: 7,050,548 km (0.039 R)
• M10: 8,703,006 km (0.084 R)
• M11: 9,978,178 km (0.06 R)
• M12: 10,760,874 km (0.09 R)
• M13: 11,416,262 km (0.107 R)
• M14: 12,493,517 km (0.059 R)
• M15: 13,590,368 km (0.067 R)
• M16: 14,065,940 km (0.071 R)
• M17: 14,800,316 km (0.067 R)
• M18: 16,133,682 km (0.053 R)
• M19: 17,323,134 km (0.063 R)
• M20: 19,574,582 km (0.048 R)
• M21: 20,927,396 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 11.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.13 AU - 4.25 AU

Year: 4983 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,751,600 km

• M1: 144,212 km (0.045 R)
• M2: 648,656 km (0.113 R)
• M3: 1,144,873 km (0.092 R)
• M4: 1,599,949 km (0.083 R)
• M5: 2,766,364 km (0.085 R)
• M6: 3,622,064 km (0.117 R)
• M7: 4,134,436 km (0.09 R)
• M8: 4,817,650 km (0.117 R)
• M9: 5,657,642 km (0.086 R)
• M10: 6,470,258 km (0.092 R)
• M11: 9,069,969 km (0.036 R)
• M12: 10,018,569 km (0.117 R)
• M13: 10,901,646 km (0.101 R)
• M14: 14,746,909 km (0.116 R)
• M15: 15,502,079 km (0.106 R)
• M16: 16,972,776 km (0.102 R)
• M17: 17,384,170 km (0.111 R)
• M18: 24,160,505 km (0.077 R)
• M19: 25,362,374 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.3

Radius: 12.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.7 AU - 5.9 AU

Year: 7392 Days

Day: 6.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 63.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,751,600 km

• M1: 158,125 km (0.085 R)
• M2: 648,507 km (0.096 R)
• M3: 1,204,712 km (0.047 R)
• M4: 1,601,744 km (0.09 R)
• M5: 2,251,598 km (0.084 R)
• M6: 3,207,079 km (0.12 R)
• M7: 4,319,040 km (0.085 R)
• M8: 5,276,018 km (0.12 R)
• M9: 5,849,426 km (0.104 R)
• M10: 13,042,391 km (0.106 R)
• M11: 13,456,328 km (0.1 R)
• M12: 20,145,448 km (0.093 R)
• M13: 27,312,981 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.5

Radius: 12.5

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.88 AU - 6.1 AU

Year: 7835 Days

Day: 12 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,751,600 km

• M1: 155,432 km (0.041 R)
• M2: 1,501,065 km (0.115 R)
• M3: 3,344,859 km (0.113 R)
• M4: 3,817,887 km (0.103 R)
• M5: 4,527,430 km (0.115 R)
• M6: 5,673,350 km (0.1 R)
• M7: 6,072,776 km (0.111 R)
• M8: 6,891,675 km (0.094 R)
• M9: 7,582,667 km (0.076 R)
• M10: 8,489,530 km (0.098 R)
• M11: 10,970,610 km (0.061 R)
• M12: 14,507,403 km (0.052 R)
• M13: 14,942,284 km (0.07 R)
• M14: 21,021,194 km (0.062 R)
• M15: 31,582,803 km (0.089 R)
• M16: 32,104,301 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.7

Radius: 6.5

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.88 AU - 6.84 AU

Year: 11274 Days

Day: 23.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,751,600 km

• M1: 81,232 km (0.075 R)
• M2: 924,515 km (0.062 R)
• M3: 2,772,497 km (0.055 R)
• M4: 6,607,140 km (0.042 R)
• M5: 7,692,771 km (0.109 R)
• M6: 8,625,514 km (0.107 R)
• M7: 9,396,392 km (0.094 R)
• M8: 10,113,863 km (0.115 R)
• M9: 11,550,152 km (0.115 R)
• M10: 14,884,240 km (0.114 R)
• M11: 16,873,293 km (0.089 R)
• M12: 18,958,089 km (0.102 R)
• M13: 19,638,460 km (0.074 R)
• M14: 21,128,156 km (0.046 R)
• M15: 23,201,134 km (0.071 R)
• M16: 25,496,713 km (0.089 R)
• M17: 25,954,931 km (0.097 R)
• M18: 32,959,552 km (0.119 R)
• M19: 43,294,970 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.2

Radius: 6.8

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.79 AU - 7.29 AU

Year: 11756 Days

Day: 18.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,751,600 km

• M1: 84,523 km (0.073 R)
• M2: 353,051 km (0.111 R)
• M3: 596,746 km (0.109 R)
• M4: 1,179,729 km (0.118 R)
• M5: 1,676,843 km (0.079 R)
• M6: 2,196,695 km (0.059 R)
• M7: 2,417,502 km (0.098 R)
• M8: 2,633,072 km (0.091 R)
• M9: 3,382,408 km (0.043 R)
• M10: 3,780,637 km (0.098 R)
• M11: 4,018,199 km (0.101 R)
• M12: 4,913,991 km (0.082 R)
• M13: 5,425,316 km (0.093 R)
• M14: 5,762,510 km (0.074 R)
• M15: 7,053,988 km (0.083 R)
• M16: 7,915,672 km (0.104 R)
• M17: 8,394,236 km (0.071 R)
• M18: 10,145,877 km (0.067 R)
• M19: 10,451,206 km (0.12 R)
• M20: 13,789,483 km (0.109 R)
• M21: 16,418,366 km (0.066 R)
• M22: 17,850,467 km (0.103 R)
• M23: 22,299,956 km (0.103 R)
• M24: 23,784,416 km (0.042 R)
• M25: 28,329,498 km (0.031 R)
• M26: 32,095,475 km (0.119 R)
• M27: 33,421,511 km (0.078 R)
• M28: 36,895,472 km (0.106 R)
• M29: 38,967,104 km (0.102 R)
• M30: 42,283,539 km (0.105 R)
• M31: 42,809,974 km (0.059 R)
• M32: 43,741,669 km (0.088 R)
• M33: 45,507,672 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.7

Radius: 4.3

Gravity: 44.55 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.19 AU - 9.57 AU

Year: 17052 Days

Day: 16.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,751,600 km

• M1: 53,406 km (0.107 R)
• M2: 236,365 km (0.094 R)
• M3: 443,109 km (0.113 R)
• M4: 679,773 km (0.102 R)
• M5: 848,818 km (0.087 R)
• M6: 996,920 km (0.1 R)
• M7: 1,175,839 km (0.106 R)
• M8: 1,484,460 km (0.036 R)
• M9: 2,036,027 km (0.076 R)
• M10: 3,473,663 km (0.091 R)
• M11: 4,776,361 km (0.071 R)
• M12: 6,634,067 km (0.114 R)
• M13: 8,194,223 km (0.076 R)
• M14: 11,123,499 km (0.109 R)
• M15: 11,821,822 km (0.062 R)
• M16: 12,281,088 km (0.086 R)
• M17: 22,411,556 km (0.061 R)
• M18: 24,988,978 km (0.098 R)
• M19: 34,419,927 km (0.074 R)
• M20: 65,993,455 km (0.089 R)
• M21: 67,020,594 km (0.107 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 15,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit