🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.7

Radius: 14.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.54 AU - 0.78 AU

Year: 358 Days

Day: 7.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,387,023 km

• M1: 179,069 km (0.106 R)
• M2: 711,338 km (0.073 R)
• M3: 1,392,756 km (0.105 R)
• M4: 1,856,360 km (0.07 R)
• M5: 2,324,003 km (0.108 R)
• M6: 2,813,786 km (0.09 R)
• M7: 3,394,824 km (0.045 R)
• M8: 4,092,549 km (0.102 R)
• M9: 4,582,781 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.3

Radius: 8

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.61 AU - 0.97 AU

Year: 468 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,387,023 km

• M1: 99,483 km (0.084 R)
• M2: 352,901 km (0.116 R)
• M3: 751,580 km (0.074 R)
• M4: 1,016,966 km (0.089 R)
• M5: 1,390,662 km (0.117 R)
• M6: 1,730,997 km (0.113 R)
• M7: 2,066,545 km (0.042 R)
• M8: 2,532,094 km (0.106 R)
• M9: 2,826,951 km (0.073 R)
• M10: 3,190,474 km (0.068 R)
• M11: 3,597,380 km (0.073 R)
• M12: 4,038,395 km (0.049 R)
• M13: 4,428,247 km (0.118 R)
• M14: 5,251,334 km (0.04 R)
• M15: 5,580,749 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.5

Radius: 14.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.41 AU - 1.49 AU

Year: 1164 Days

Day: 8.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,387,023 km

• M1: 176,825 km (0.109 R)
• M2: 742,454 km (0.034 R)
• M3: 1,222,813 km (0.117 R)
• M4: 1,671,607 km (0.106 R)
• M5: 2,233,047 km (0.026 R)
• M6: 2,688,124 km (0.118 R)
• M7: 3,165,790 km (0.113 R)
• M8: 3,912,433 km (0.036 R)
• M9: 4,564,530 km (0.025 R)
• M10: 8,207,986 km (0.12 R)
• M11: 9,337,151 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.7

Radius: 10.5

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.3 AU - 1.82 AU

Year: 1299 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,387,023 km

• M1: 131,048 km (0.119 R)
• M2: 515,215 km (0.118 R)
• M3: 862,581 km (0.111 R)
• M4: 1,655,600 km (0.042 R)
• M5: 2,079,710 km (0.066 R)
• M6: 2,990,162 km (0.059 R)
• M7: 3,326,907 km (0.071 R)
• M8: 4,598,339 km (0.101 R)
• M9: 5,114,003 km (0.073 R)
• M10: 6,411,316 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.4

Radius: 11

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.52 AU - 4.66 AU

Year: 5516 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,387,023 km

• M1: 139,724 km (0.067 R)
• M2: 506,538 km (0.08 R)
• M3: 881,131 km (0.058 R)
• M4: 1,437,037 km (0.046 R)
• M5: 2,469,861 km (0.048 R)
• M6: 3,115,076 km (0.091 R)
• M7: 3,590,199 km (0.026 R)
• M8: 4,088,510 km (0.118 R)
• M9: 4,714,128 km (0.098 R)
• M10: 5,136,742 km (0.117 R)
• M11: 5,708,505 km (0.111 R)
• M12: 6,593,676 km (0.116 R)
• M13: 7,159,904 km (0.105 R)
• M14: 8,760,003 km (0.109 R)
• M15: 10,586,443 km (0.079 R)
• M16: 12,600,479 km (0.109 R)
• M17: 17,706,404 km (0.114 R)
• M18: 22,910,615 km (0.099 R)
• M19: 23,554,334 km (0.084 R)
• M20: 23,962,886 km (0.086 R)
• M21: 26,601,643 km (0.064 R)
• M22: 30,285,042 km (0.112 R)
• M23: 30,671,154 km (0.097 R)
• M24: 33,159,266 km (0.065 R)
• M25: 34,820,400 km (0.105 R)
• M26: 36,318,922 km (0.07 R)

Asteroid Belt

Center: 4.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.2

Radius: 8.1

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.7 AU - 5.7 AU

Year: 6795 Days

Day: 5.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 31,387,023 km

• M1: 100,829 km (0.081 R)
• M2: 449,242 km (0.119 R)
• M3: 752,627 km (0.07 R)
• M4: 1,195,137 km (0.113 R)
• M5: 1,610,720 km (0.12 R)
• M6: 1,949,260 km (0.106 R)
• M7: 2,601,507 km (0.109 R)
• M8: 3,009,012 km (0.088 R)
• M9: 3,458,404 km (0.062 R)
• M10: 3,806,219 km (0.102 R)
• M11: 4,101,226 km (0.071 R)
• M12: 4,518,454 km (0.119 R)
• M13: 5,108,618 km (0.05 R)
• M14: 5,876,952 km (0.086 R)
• M15: 6,510,799 km (0.04 R)
• M16: 6,970,214 km (0.054 R)
• M17: 7,641,758 km (0.053 R)
• M18: 9,243,952 km (0.079 R)
• M19: 11,257,090 km (0.117 R)
• M20: 14,353,467 km (0.093 R)
• M21: 15,131,825 km (0.117 R)
• M22: 18,112,861 km (0.105 R)
• M23: 19,813,640 km (0.096 R)
• M24: 20,778,097 km (0.117 R)
• M25: 21,233,623 km (0.096 R)
• M26: 22,720,326 km (0.105 R)
• M27: 26,782,806 km (0.083 R)
• M28: 28,237,944 km (0.109 R)
• M29: 31,205,817 km (0.117 R)
• M30: 31,703,230 km (0.084 R)
• M31: 33,745,839 km (0.118 R)
• M32: 34,586,878 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.5

Radius: 6.3

Gravity: 25.01 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.68 AU - 7.62 AU

Year: 10170 Days

Day: 16.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 31,387,023 km

• M1: 89,011 km (0.056 R)
• M2: 311,164 km (0.118 R)
• M3: 523,144 km (0.076 R)
• M4: 1,041,052 km (0.082 R)
• M5: 1,958,685 km (0.12 R)
• M6: 2,193,554 km (0.119 R)
• M7: 2,898,160 km (0.077 R)
• M8: 3,505,677 km (0.052 R)
• M9: 4,840,389 km (0.114 R)
• M10: 5,657,043 km (0.106 R)
• M11: 6,288,795 km (0.11 R)
• M12: 6,843,504 km (0.046 R)
• M13: 8,945,354 km (0.12 R)
• M14: 10,010,342 km (0.118 R)
• M15: 10,988,412 km (0.074 R)
• M16: 11,616,574 km (0.077 R)
• M17: 14,572,478 km (0.069 R)
• M18: 16,849,657 km (0.079 R)
• M19: 17,684,263 km (0.053 R)
• M20: 18,546,097 km (0.078 R)
• M21: 23,652,022 km (0.113 R)
• M22: 27,497,136 km (0.088 R)
• M23: 29,080,629 km (0.072 R)
• M24: 29,840,138 km (0.057 R)
• M25: 31,059,959 km (0.101 R)
• M26: 33,717,415 km (0.08 R)
• M27: 37,789,469 km (0.047 R)
• M28: 38,563,489 km (0.114 R)
• M29: 38,823,789 km (0.091 R)
• M30: 39,876,808 km (0.076 R)
• M31: 43,430,655 km (0.095 R)
• M32: 44,851,985 km (0.117 R)
• M33: 46,011,069 km (0.114 R)
• M34: 50,847,718 km (0.088 R)
• M35: 51,475,131 km (0.053 R)
• M36: 51,790,783 km (0.107 R)
• M37: 53,388,338 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.5

Radius: 7.8

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.48 AU - 6.74 AU

Year: 11333 Days

Day: 24.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 31,387,023 km

• M1: 97,089 km (0.069 R)
• M2: 354,098 km (0.09 R)
• M3: 786,137 km (0.094 R)
• M4: 1,077,105 km (0.077 R)
• M5: 1,623,436 km (0.068 R)
• M6: 2,936,457 km (0.112 R)
• M7: 3,603,065 km (0.096 R)
• M8: 4,587,269 km (0.074 R)
• M9: 4,844,577 km (0.036 R)
• M10: 5,326,133 km (0.055 R)
• M11: 7,381,309 km (0.093 R)
• M12: 8,520,945 km (0.092 R)
• M13: 9,312,916 km (0.074 R)
• M14: 9,820,502 km (0.111 R)
• M15: 10,153,058 km (0.032 R)
• M16: 14,203,420 km (0.049 R)
• M17: 14,567,691 km (0.093 R)
• M18: 17,850,168 km (0.112 R)
• M19: 19,888,289 km (0.097 R)
• M20: 20,652,285 km (0.099 R)
• M21: 21,515,166 km (0.116 R)
• M22: 24,248,169 km (0.084 R)
• M23: 24,507,422 km (0.114 R)
• M24: 24,768,770 km (0.115 R)
• M25: 26,284,346 km (0.035 R)
• M26: 26,833,669 km (0.068 R)
• M27: 28,431,823 km (0.082 R)
• M28: 29,010,767 km (0.078 R)
• M29: 33,391,890 km (0.05 R)
• M30: 34,036,208 km (0.114 R)
• M31: 35,128,572 km (0.043 R)
• M32: 35,907,079 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.6

Radius: 6.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.51 AU - 8.25 AU

Year: 13369 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,387,023 km

• M1: 83,326 km (0.079 R)
• M2: 435,180 km (0.086 R)
• M3: 692,638 km (0.029 R)
• M4: 1,302,848 km (0.072 R)
• M5: 1,580,651 km (0.099 R)
• M6: 1,925,923 km (0.113 R)
• M7: 4,284,782 km (0.076 R)
• M8: 4,510,376 km (0.119 R)
• M9: 4,743,748 km (0.11 R)
• M10: 5,729,299 km (0.061 R)
• M11: 6,254,388 km (0.092 R)
• M12: 8,289,368 km (0.087 R)
• M13: 10,057,016 km (0.029 R)
• M14: 10,277,673 km (0.075 R)
• M15: 10,591,978 km (0.096 R)
• M16: 12,211,076 km (0.095 R)
• M17: 13,933,695 km (0.077 R)
• M18: 14,374,560 km (0.115 R)
• M19: 19,994,204 km (0.116 R)
• M20: 21,198,467 km (0.103 R)
• M21: 28,477,002 km (0.045 R)
• M22: 30,641,683 km (0.069 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 14,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit