🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.1

Radius: 14.3

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.73 AU - 0.89 AU

Year: 471 Days

Day: 9.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 63,204,586 km

• M1: 191,485 km (0.098 R)
• M2: 739,462 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.9

Radius: 10.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.04 AU - 1.22 AU

Year: 776 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,204,586 km

• M1: 132,544 km (0.067 R)
• M2: 612,603 km (0.107 R)
• M3: 971,040 km (0.109 R)
• M4: 1,306,289 km (0.048 R)
• M5: 1,688,062 km (0.099 R)
• M6: 2,455,499 km (0.101 R)
• M7: 3,082,464 km (0.062 R)
• M8: 3,644,354 km (0.069 R)
• M9: 4,525,485 km (0.059 R)
• M10: 5,146,765 km (0.104 R)
• M11: 5,785,997 km (0.032 R)
• M12: 6,790,247 km (0.094 R)
• M13: 8,024,729 km (0.108 R)

Asteroid Belt

Center: 1.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.7

Radius: 8.8

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.45 AU - 2.07 AU

Year: 1508 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,204,586 km

• M1: 113,844 km (0.112 R)
• M2: 858,692 km (0.099 R)
• M3: 2,800,323 km (0.06 R)
• M4: 6,832,733 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.4

Radius: 8.3

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.17 AU - 2.45 AU

Year: 2267 Days

Day: 12.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,204,586 km

• M1: 103,223 km (0.086 R)
• M2: 430,243 km (0.077 R)
• M3: 874,100 km (0.025 R)
• M4: 1,255,126 km (0.085 R)
• M5: 1,860,998 km (0.115 R)
• M6: 2,145,832 km (0.1 R)
• M7: 2,407,628 km (0.073 R)
• M8: 2,966,376 km (0.118 R)
• M9: 3,712,870 km (0.117 R)
• M10: 4,111,548 km (0.114 R)
• M11: 4,973,531 km (0.102 R)
• M12: 5,345,730 km (0.093 R)
• M13: 6,097,011 km (0.069 R)
• M14: 7,409,134 km (0.086 R)
• M15: 7,807,962 km (0.055 R)
• M16: 9,884,979 km (0.097 R)
• M17: 10,509,998 km (0.048 R)
• M18: 11,013,994 km (0.098 R)
• M19: 11,876,874 km (0.1 R)
• M20: 12,865,267 km (0.078 R)
• M21: 13,526,041 km (0.076 R)
• M22: 13,822,095 km (0.106 R)
• M23: 14,647,576 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.1

Radius: 9.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.63 AU - 3.87 AU

Year: 3783 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,204,586 km

• M1: 125,662 km (0.06 R)
• M2: 574,306 km (0.116 R)
• M3: 2,620,655 km (0.063 R)
• M4: 3,465,883 km (0.098 R)
• M5: 4,505,289 km (0.064 R)
• M6: 4,918,030 km (0.096 R)
• M7: 5,793,178 km (0.101 R)
• M8: 6,652,019 km (0.117 R)
• M9: 8,146,352 km (0.104 R)
• M10: 10,951,761 km (0.089 R)
• M11: 13,114,497 km (0.066 R)
• M12: 15,650,780 km (0.057 R)
• M13: 16,120,816 km (0.097 R)
• M14: 18,788,146 km (0.107 R)
• M15: 19,378,759 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.4

Radius: 8.4

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.38 AU - 4.58 AU

Year: 5127 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,204,586 km

• M1: 104,419 km (0.096 R)
• M2: 702,811 km (0.099 R)
• M3: 1,326,484 km (0.054 R)
• M4: 2,017,028 km (0.042 R)
• M5: 2,499,481 km (0.099 R)
• M6: 3,527,368 km (0.117 R)
• M7: 3,801,880 km (0.105 R)
• M8: 4,916,534 km (0.105 R)
• M9: 5,396,444 km (0.114 R)
• M10: 6,512,444 km (0.078 R)
• M11: 8,766,435 km (0.12 R)
• M12: 10,343,945 km (0.09 R)
• M13: 11,132,475 km (0.067 R)
• M14: 12,197,462 km (0.107 R)
• M15: 12,632,194 km (0.119 R)
• M16: 13,379,585 km (0.035 R)
• M17: 14,582,651 km (0.032 R)
• M18: 15,629,537 km (0.1 R)
• M19: 16,666,699 km (0.107 R)
• M20: 18,244,956 km (0.052 R)
• M21: 21,069,963 km (0.086 R)
• M22: 23,352,527 km (0.108 R)
• M23: 25,091,752 km (0.036 R)
• M24: 25,480,856 km (0.037 R)
• M25: 25,795,161 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.8

Radius: 14.9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.8 AU - 5.8 AU

Year: 7878 Days

Day: 11.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,204,586 km

• M1: 255,962 km (0.113 R)
• M2: 840,740 km (0.092 R)
• M3: 1,471,744 km (0.102 R)
• M4: 2,910,726 km (0.062 R)
• M5: 3,567,610 km (0.044 R)
• M6: 4,738,513 km (0.091 R)
• M7: 5,982,568 km (0.112 R)
• M8: 6,864,897 km (0.093 R)
• M9: 9,156,736 km (0.09 R)
• M10: 11,600,417 km (0.112 R)
• M11: 12,522,688 km (0.11 R)
• M12: 13,493,279 km (0.089 R)
• M13: 17,116,540 km (0.117 R)
• M14: 18,674,153 km (0.087 R)
• M15: 21,424,210 km (0.107 R)
• M16: 26,223,160 km (0.094 R)
• M17: 37,651,241 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.6

Radius: 5.2

Gravity: 19.99 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.21 AU - 9.41 AU

Year: 16884 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,204,586 km

• M1: 64,925 km (0.059 R)
• M2: 316,848 km (0.114 R)
• M3: 779,405 km (0.069 R)
• M4: 1,383,780 km (0.055 R)
• M5: 1,563,447 km (0.1 R)
• M6: 1,951,953 km (0.111 R)
• M7: 2,198,640 km (0.075 R)
• M8: 3,873,089 km (0.086 R)
• M9: 4,110,501 km (0.103 R)
• M10: 4,549,122 km (0.096 R)
• M11: 7,222,735 km (0.098 R)
• M12: 7,767,271 km (0.104 R)
• M13: 8,049,562 km (0.102 R)
• M14: 10,277,523 km (0.027 R)
• M15: 15,236,244 km (0.076 R)
• M16: 15,753,404 km (0.041 R)
• M17: 15,978,698 km (0.093 R)
• M18: 16,205,937 km (0.062 R)
• M19: 16,435,420 km (0.108 R)
• M20: 17,295,608 km (0.042 R)
• M21: 17,615,598 km (0.069 R)
• M22: 19,104,994 km (0.109 R)
• M23: 20,676,371 km (0.119 R)
• M24: 21,677,928 km (0.043 R)
• M25: 22,050,128 km (0.12 R)
• M26: 23,483,425 km (0.051 R)
• M27: 25,181,810 km (0.11 R)
• M28: 26,640,538 km (0.052 R)
• M29: 28,486,427 km (0.094 R)
• M30: 34,155,587 km (0.089 R)
• M31: 37,786,627 km (0.047 R)
• M32: 39,972,850 km (0.092 R)
• M33: 42,242,100 km (0.102 R)
• M34: 46,725,399 km (0.028 R)
• M35: 48,287,649 km (0.092 R)
• M36: 50,045,873 km (0.082 R)
• M37: 61,314,183 km (0.105 R)
• M38: 62,244,981 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.4

Radius: 8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.36 AU - 9.58 AU

Year: 17346 Days

Day: 16.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,204,586 km

• M1: 99,632 km (0.083 R)
• M2: 381,774 km (0.075 R)
• M3: 1,196,484 km (0.102 R)
• M4: 3,348,300 km (0.12 R)
• M5: 5,758,321 km (0.12 R)
• M6: 6,187,518 km (0.115 R)
• M7: 8,202,750 km (0.095 R)
• M8: 8,492,522 km (0.094 R)
• M9: 9,999,122 km (0.115 R)
• M10: 11,064,109 km (0.063 R)
• M11: 13,417,882 km (0.114 R)
• M12: 14,410,613 km (0.072 R)
• M13: 16,607,009 km (0.114 R)
• M14: 17,888,465 km (0.083 R)
• M15: 18,873,866 km (0.039 R)
• M16: 19,161,991 km (0.076 R)
• M17: 20,646,750 km (0.047 R)
• M18: 32,727,825 km (0.106 R)
• M19: 34,843,588 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.8

Radius: 3.3

Gravity: 26.06 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 9.46 AU - 12.52 AU

Year: 23524 Days

Day: 18 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,204,586 km

• M1: 40,990 km (0.099 R)
• M2: 170,392 km (0.085 R)
• M3: 324,777 km (0.102 R)
• M4: 531,372 km (0.097 R)
• M5: 660,026 km (0.11 R)
• M6: 881,879 km (0.025 R)
• M7: 1,113,158 km (0.1 R)
• M8: 1,298,210 km (0.097 R)
• M9: 1,534,276 km (0.091 R)
• M10: 2,725,972 km (0.088 R)
• M11: 3,398,714 km (0.051 R)
• M12: 3,730,522 km (0.086 R)
• M13: 7,472,114 km (0.106 R)
• M14: 7,795,246 km (0.098 R)
• M15: 9,285,839 km (0.083 R)
• M16: 11,133,522 km (0.104 R)
• M17: 16,367,204 km (0.073 R)
• M18: 18,365,831 km (0.115 R)
• M19: 19,380,554 km (0.07 R)
• M20: 20,700,755 km (0.072 R)
• M21: 22,268,092 km (0.104 R)
• M22: 25,223,547 km (0.039 R)
• M23: 25,636,438 km (0.1 R)
• M24: 26,581,746 km (0.117 R)
• M25: 28,208,474 km (0.103 R)
• M26: 32,018,283 km (0.038 R)
• M27: 36,026,758 km (0.065 R)
• M28: 37,078,580 km (0.064 R)
• M29: 38,015,661 km (0.091 R)
• M30: 44,719,591 km (0.088 R)
• M31: 47,170,004 km (0.101 R)
• M32: 54,025,027 km (0.033 R)
• M33: 57,155,512 km (0.105 R)
• M34: 58,046,068 km (0.104 R)
• M35: 59,672,197 km (0.103 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 12,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit