🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 8

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.8 AU - 1.04 AU

Year: 561 Days

Day: 14.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 81,710,558 km

• M1: 101,727 km (0.102 R)
• M2: 512,074 km (0.05 R)
• M3: 1,402,630 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.8

Radius: 9.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.85 AU - 2.25 AU

Year: 1866 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,710,558 km

• M1: 123,119 km (0.077 R)
• M2: 444,156 km (0.117 R)
• M3: 797,656 km (0.083 R)
• M4: 1,496,128 km (0.038 R)
• M5: 1,843,495 km (0.05 R)
• M6: 2,691,116 km (0.106 R)
• M7: 3,680,108 km (0.116 R)
• M8: 4,070,558 km (0.111 R)
• M9: 4,776,660 km (0.116 R)
• M10: 5,738,126 km (0.09 R)
• M11: 6,078,161 km (0.116 R)
• M12: 6,873,873 km (0.116 R)
• M13: 7,710,274 km (0.072 R)
• M14: 8,879,232 km (0.079 R)
• M15: 9,335,206 km (0.089 R)
• M16: 10,293,979 km (0.119 R)
• M17: 11,177,055 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.2

Radius: 9

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.76 AU - 2.68 AU

Year: 2103 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,710,558 km

• M1: 112,198 km (0.077 R)
• M2: 396,883 km (0.119 R)
• M3: 835,205 km (0.096 R)
• M4: 1,193,941 km (0.075 R)
• M5: 1,807,591 km (0.118 R)
• M6: 2,116,511 km (0.091 R)
• M7: 2,905,041 km (0.112 R)
• M8: 4,848,766 km (0.079 R)
• M9: 5,332,117 km (0.071 R)
• M10: 6,948,372 km (0.109 R)
• M11: 7,354,381 km (0.108 R)
• M12: 7,806,914 km (0.033 R)
• M13: 8,118,976 km (0.04 R)
• M14: 8,471,578 km (0.068 R)
• M15: 8,834,502 km (0.119 R)
• M16: 9,591,617 km (0.099 R)
• M17: 10,428,767 km (0.109 R)
• M18: 11,195,456 km (0.102 R)
• M19: 11,552,546 km (0.118 R)
• M20: 12,081,674 km (0.098 R)
• M21: 14,315,319 km (0.05 R)
• M22: 15,310,295 km (0.095 R)
• M23: 18,297,465 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.5

Radius: 9.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.86 AU - 3.02 AU

Year: 2423 Days

Day: 8.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,710,558 km

• M1: 123,119 km (0.107 R)
• M2: 433,086 km (0.1 R)
• M3: 809,923 km (0.115 R)
• M4: 1,636,152 km (0.097 R)
• M5: 1,976,038 km (0.113 R)
• M6: 2,363,198 km (0.085 R)
• M7: 2,757,687 km (0.038 R)
• M8: 3,423,846 km (0.109 R)
• M9: 3,804,423 km (0.076 R)
• M10: 4,408,350 km (0.039 R)
• M11: 5,096,949 km (0.117 R)
• M12: 5,501,910 km (0.08 R)
• M13: 6,075,170 km (0.11 R)
• M14: 6,427,622 km (0.067 R)
• M15: 8,492,821 km (0.064 R)
• M16: 9,692,895 km (0.114 R)
• M17: 10,175,348 km (0.096 R)
• M18: 13,413,843 km (0.083 R)
• M19: 15,082,457 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.3

Radius: 9

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.93 AU - 3.03 AU

Year: 2483 Days

Day: 7.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,710,558 km

• M1: 111,899 km (0.079 R)
• M2: 432,787 km (0.116 R)
• M3: 724,203 km (0.091 R)
• M4: 1,621,043 km (0.056 R)
• M5: 2,059,963 km (0.114 R)
• M6: 2,395,511 km (0.099 R)
• M7: 2,827,998 km (0.106 R)
• M8: 3,397,816 km (0.103 R)
• M9: 3,831,501 km (0.111 R)
• M10: 4,180,512 km (0.071 R)
• M11: 4,550,767 km (0.088 R)
• M12: 5,078,549 km (0.095 R)
• M13: 6,469,061 km (0.101 R)
• M14: 7,788,514 km (0.117 R)
• M15: 9,108,266 km (0.099 R)
• M16: 10,989,011 km (0.117 R)
• M17: 11,496,896 km (0.041 R)
• M18: 12,308,913 km (0.065 R)
• M19: 13,158,629 km (0.106 R)
• M20: 13,911,106 km (0.107 R)
• M21: 16,391,439 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.6

Radius: 9

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.19 AU - 3.55 AU

Year: 3933 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,710,558 km

• M1: 115,938 km (0.046 R)
• M2: 458,218 km (0.101 R)
• M3: 836,252 km (0.117 R)
• M4: 1,390,961 km (0.042 R)
• M5: 2,160,941 km (0.102 R)
• M6: 3,085,456 km (0.063 R)
• M7: 3,755,056 km (0.096 R)
• M8: 4,167,198 km (0.105 R)
• M9: 5,561,301 km (0.063 R)
• M10: 6,265,308 km (0.06 R)
• M11: 6,551,489 km (0.061 R)
• M12: 6,936,554 km (0.059 R)
• M13: 8,082,474 km (0.03 R)
• M14: 8,491,175 km (0.049 R)
• M15: 11,749,118 km (0.108 R)
• M16: 12,362,918 km (0.072 R)
• M17: 13,230,136 km (0.104 R)
• M18: 14,137,298 km (0.082 R)
• M19: 16,021,932 km (0.095 R)
• M20: 19,485,272 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524

Radius: 7.3

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.79 AU - 7.27 AU

Year: 11851 Days

Day: 20.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 174.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,710,558 km

• M1: 90,806 km (0.047 R)
• M2: 454,179 km (0.083 R)
• M3: 1,298,360 km (0.065 R)
• M4: 1,757,476 km (0.066 R)
• M5: 1,999,824 km (0.076 R)
• M6: 2,737,491 km (0.083 R)
• M7: 3,133,776 km (0.091 R)
• M8: 3,618,623 km (0.104 R)
• M9: 3,879,073 km (0.116 R)
• M10: 6,745,218 km (0.074 R)
• M11: 9,406,714 km (0.096 R)
• M12: 9,951,550 km (0.093 R)
• M13: 13,118,088 km (0.073 R)
• M14: 13,610,414 km (0.086 R)
• M15: 14,436,643 km (0.088 R)
• M16: 17,481,558 km (0.067 R)
• M17: 23,795,187 km (0.12 R)
• M18: 28,516,945 km (0.116 R)
• M19: 29,134,933 km (0.111 R)
• M20: 36,172,167 km (0.082 R)
• M21: 36,532,997 km (0.081 R)
• M22: 36,896,220 km (0.108 R)
• M23: 40,274,290 km (0.097 R)
• M24: 46,778,805 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.2

Radius: 3

Gravity: 48.91 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.63 AU - 9.99 AU

Year: 16626 Days

Day: 19 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,710,558 km

• M1: 37,399 km (0.051 R)
• M2: 170,691 km (0.11 R)
• M3: 597,943 km (0.084 R)
• M4: 1,068,727 km (0.083 R)
• M5: 1,799,363 km (0.061 R)
• M6: 2,028,846 km (0.114 R)
• M7: 2,440,390 km (0.059 R)
• M8: 2,654,764 km (0.102 R)
• M9: 3,399,911 km (0.107 R)
• M10: 4,617,787 km (0.085 R)
• M11: 5,394,649 km (0.067 R)
• M12: 6,453,353 km (0.106 R)
• M13: 7,508,916 km (0.116 R)
• M14: 8,194,672 km (0.076 R)
• M15: 10,335,118 km (0.114 R)
• M16: 13,466,352 km (0.104 R)
• M17: 20,539,339 km (0.082 R)
• M18: 21,691,242 km (0.112 R)
• M19: 23,451,112 km (0.097 R)
• M20: 23,546,256 km (0.112 R)
• M21: 23,833,334 km (0.103 R)
• M22: 25,403,962 km (0.096 R)
• M23: 26,419,882 km (0.114 R)
• M24: 27,042,358 km (0.059 R)
• M25: 27,251,945 km (0.098 R)
• M26: 29,077,488 km (0.078 R)
• M27: 33,449,785 km (0.068 R)
• M28: 36,809,454 km (0.11 R)
• M29: 36,937,958 km (0.112 R)
• M30: 37,196,015 km (0.069 R)
• M31: 39,036,068 km (0.074 R)
• M32: 43,899,794 km (0.067 R)
• M33: 47,916,497 km (0.118 R)
• M34: 48,841,311 km (0.111 R)
• M35: 49,464,237 km (0.069 R)
• M36: 54,140,517 km (0.11 R)
• M37: 54,640,323 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.7

Radius: 5.2

Gravity: 27.84 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.6 AU - 12.14 AU

Year: 21233 Days

Day: 23.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 144.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,710,558 km

• M1: 65,374 km (0.076 R)
• M2: 231,877 km (0.091 R)
• M3: 472,879 km (0.037 R)
• M4: 717,771 km (0.054 R)
• M5: 1,058,106 km (0.07 R)
• M6: 1,533,079 km (0.082 R)
• M7: 1,725,911 km (0.088 R)
• M8: 2,097,362 km (0.066 R)
• M9: 6,332,328 km (0.091 R)
• M10: 6,738,935 km (0.104 R)
• M11: 10,831,484 km (0.103 R)
• M12: 13,797,262 km (0.055 R)
• M13: 15,424,887 km (0.111 R)
• M14: 16,243,187 km (0.086 R)
• M15: 16,410,288 km (0.115 R)
• M16: 17,262,996 km (0.112 R)
• M17: 22,486,654 km (0.107 R)
• M18: 22,694,296 km (0.104 R)
• M19: 27,473,350 km (0.113 R)
• M20: 37,629,848 km (0.049 R)
• M21: 38,364,524 km (0.092 R)
• M22: 45,910,091 km (0.111 R)
• M23: 50,738,212 km (0.113 R)
• M24: 65,525,513 km (0.091 R)
• M25: 73,206,466 km (0.114 R)
• M26: 80,734,680 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 16,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit