🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.7

Radius: 12.9

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.12 AU - 1.58 AU

Year: 1013 Days

Day: 14.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,991,044 km

• M1: 160,369 km (0.084 R)
• M2: 590,014 km (0.051 R)
• M3: 1,020,557 km (0.057 R)
• M4: 1,779,467 km (0.081 R)
• M5: 2,673,314 km (0.115 R)
• M6: 3,911,386 km (0.103 R)
• M7: 4,488,385 km (0.061 R)
• M8: 5,200,172 km (0.053 R)
• M9: 7,335,980 km (0.089 R)
• M10: 8,461,555 km (0.057 R)
• M11: 9,312,916 km (0.082 R)
• M12: 10,314,324 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.7

Radius: 15

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.29 AU - 1.81 AU

Year: 1246 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,991,044 km

• M1: 186,848 km (0.04 R)
• M2: 721,810 km (0.099 R)
• M3: 1,240,765 km (0.108 R)
• M4: 1,783,356 km (0.085 R)
• M5: 2,388,629 km (0.096 R)
• M6: 4,022,088 km (0.107 R)
• M7: 4,743,300 km (0.09 R)
• M8: 5,310,126 km (0.078 R)
• M9: 6,699,142 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761

Radius: 12.5

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.72 AU - 1.72 AU

Year: 1456 Days

Day: 11.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,991,044 km

• M1: 155,582 km (0.103 R)
• M2: 604,824 km (0.113 R)
• M3: 1,273,826 km (0.117 R)
• M4: 1,667,567 km (0.062 R)
• M5: 2,178,295 km (0.073 R)
• M6: 2,946,031 km (0.106 R)
• M7: 3,650,936 km (0.077 R)
• M8: 4,408,948 km (0.097 R)
• M9: 5,354,706 km (0.118 R)
• M10: 6,334,273 km (0.107 R)
• M11: 6,956,750 km (0.119 R)
• M12: 9,605,380 km (0.101 R)
• M13: 10,327,040 km (0.103 R)
• M14: 11,155,064 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.8

Radius: 12.2

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.16 AU - 2.9 AU

Year: 2598 Days

Day: 6.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,991,044 km

• M1: 151,692 km (0.082 R)
• M2: 553,512 km (0.103 R)
• M3: 940,073 km (0.114 R)
• M4: 1,767,648 km (0.113 R)
• M5: 2,632,923 km (0.037 R)
• M6: 3,312,246 km (0.101 R)
• M7: 3,742,640 km (0.079 R)
• M8: 4,210,432 km (0.088 R)
• M9: 4,648,903 km (0.034 R)
• M10: 5,045,487 km (0.066 R)
• M11: 5,490,092 km (0.109 R)
• M12: 6,345,642 km (0.078 R)
• M13: 7,287,959 km (0.094 R)
• M14: 8,423,108 km (0.072 R)
• M15: 9,015,216 km (0.074 R)
• M16: 9,747,498 km (0.109 R)
• M17: 11,247,516 km (0.081 R)
• M18: 12,851,055 km (0.094 R)
• M19: 13,449,148 km (0.105 R)
• M20: 15,976,454 km (0.095 R)
• M21: 16,776,504 km (0.05 R)
• M22: 19,158,850 km (0.074 R)
• M23: 20,184,493 km (0.11 R)
• M24: 21,119,479 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 13

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.13 AU - 2.97 AU

Year: 2629 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,991,044 km

• M1: 164,109 km (0.054 R)
• M2: 570,117 km (0.1 R)
• M3: 987,346 km (0.082 R)
• M4: 1,921,136 km (0.101 R)
• M5: 2,779,828 km (0.061 R)
• M6: 3,412,627 km (0.091 R)
• M7: 4,120,973 km (0.119 R)
• M8: 4,968,145 km (0.116 R)
• M9: 5,618,597 km (0.038 R)
• M10: 6,504,665 km (0.11 R)
• M11: 7,769,814 km (0.105 R)
• M12: 8,246,433 km (0.074 R)
• M13: 9,258,612 km (0.08 R)
• M14: 9,692,745 km (0.1 R)
• M15: 10,245,809 km (0.116 R)
• M16: 11,339,668 km (0.03 R)
• M17: 13,291,771 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.9

Radius: 8.5

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.45 AU - 4.07 AU

Year: 3801 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,991,044 km

• M1: 109,954 km (0.102 R)
• M2: 502,499 km (0.114 R)
• M3: 792,719 km (0.059 R)
• M4: 1,226,553 km (0.092 R)
• M5: 1,851,124 km (0.117 R)
• M6: 2,265,061 km (0.083 R)
• M7: 3,037,435 km (0.11 R)
• M8: 4,594,599 km (0.119 R)
• M9: 12,254,160 km (0.115 R)
• M10: 14,068,633 km (0.099 R)
• M11: 15,228,764 km (0.116 R)
• M12: 18,039,708 km (0.082 R)
• M13: 24,515,650 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.7

Radius: 11.9

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.63 AU - 5.43 AU

Year: 6225 Days

Day: 7.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,991,044 km

• M1: 148,401 km (0.111 R)
• M2: 578,495 km (0.109 R)
• M3: 975,229 km (0.071 R)
• M4: 1,536,370 km (0.045 R)
• M5: 1,983,668 km (0.09 R)
• M6: 2,428,572 km (0.046 R)
• M7: 3,276,343 km (0.081 R)
• M8: 4,364,817 km (0.107 R)
• M9: 5,712,395 km (0.089 R)
• M10: 6,378,105 km (0.088 R)
• M11: 6,983,977 km (0.112 R)
• M12: 8,106,260 km (0.056 R)
• M13: 8,689,392 km (0.108 R)
• M14: 10,080,353 km (0.116 R)
• M15: 11,204,731 km (0.091 R)
• M16: 12,356,635 km (0.08 R)
• M17: 14,290,037 km (0.057 R)
• M18: 16,027,467 km (0.109 R)
• M19: 17,352,007 km (0.106 R)
• M20: 17,832,365 km (0.107 R)
• M21: 18,321,550 km (0.091 R)
• M22: 18,891,668 km (0.113 R)
• M23: 23,635,566 km (0.065 R)
• M24: 25,613,399 km (0.106 R)
• M25: 28,640,512 km (0.108 R)
• M26: 31,288,694 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.5

Radius: 7.3

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.34 AU - 8.22 AU

Year: 11399 Days

Day: 17.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,991,044 km

• M1: 90,806 km (0.087 R)
• M2: 370,704 km (0.105 R)
• M3: 746,045 km (0.037 R)
• M4: 1,111,063 km (0.105 R)
• M5: 1,361,041 km (0.068 R)
• M6: 1,863,391 km (0.09 R)
• M7: 2,444,280 km (0.057 R)
• M8: 3,749,820 km (0.101 R)
• M9: 4,855,199 km (0.114 R)
• M10: 5,533,326 km (0.045 R)
• M11: 7,196,854 km (0.092 R)
• M12: 7,565,763 km (0.08 R)
• M13: 9,505,150 km (0.039 R)
• M14: 10,151,263 km (0.108 R)
• M15: 10,826,398 km (0.098 R)
• M16: 13,334,406 km (0.118 R)
• M17: 14,207,310 km (0.056 R)
• M18: 16,205,339 km (0.086 R)
• M19: 18,307,787 km (0.111 R)
• M20: 18,764,510 km (0.062 R)
• M21: 21,665,661 km (0.072 R)
• M22: 22,005,398 km (0.113 R)
• M23: 23,757,787 km (0.104 R)
• M24: 24,119,066 km (0.041 R)
• M25: 25,980,961 km (0.088 R)
• M26: 27,836,573 km (0.061 R)
• M27: 29,883,521 km (0.039 R)
• M28: 33,251,119 km (0.073 R)
• M29: 36,026,010 km (0.105 R)
• M30: 43,361,541 km (0.085 R)
• M31: 43,630,817 km (0.084 R)
• M32: 43,901,290 km (0.088 R)
• M33: 44,719,291 km (0.119 R)
• M34: 45,547,316 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539

Radius: 4.4

Gravity: 27.84 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.57 AU - 8.67 AU

Year: 12267 Days

Day: 21.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,991,044 km

• M1: 55,202 km (0.058 R)
• M2: 299,196 km (0.069 R)
• M3: 447,896 km (0.066 R)
• M4: 624,122 km (0.054 R)
• M5: 934,837 km (0.118 R)
• M6: 1,875,060 km (0.113 R)
• M7: 2,497,686 km (0.112 R)
• M8: 2,747,365 km (0.045 R)
• M9: 3,059,576 km (0.102 R)
• M10: 3,370,141 km (0.099 R)
• M11: 4,518,454 km (0.039 R)
• M12: 9,239,464 km (0.096 R)
• M13: 13,965,859 km (0.108 R)
• M14: 16,551,060 km (0.113 R)
• M15: 17,578,647 km (0.117 R)
• M16: 20,415,322 km (0.087 R)
• M17: 23,542,666 km (0.041 R)
• M18: 24,746,031 km (0.108 R)
• M19: 24,934,823 km (0.046 R)
• M20: 25,989,937 km (0.113 R)
• M21: 29,757,560 km (0.104 R)
• M22: 31,937,949 km (0.091 R)
• M23: 33,067,263 km (0.115 R)
• M24: 35,764,812 km (0.117 R)
• M25: 44,591,385 km (0.082 R)
• M26: 46,860,336 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.3

Radius: 5.7

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.75 AU - 10.71 AU

Year: 19597 Days

Day: 19.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,991,044 km

• M1: 70,909 km (0.103 R)
• M2: 479,162 km (0.09 R)
• M3: 674,537 km (0.107 R)
• M4: 1,285,345 km (0.088 R)
• M5: 1,491,940 km (0.098 R)
• M6: 1,785,600 km (0.103 R)
• M7: 2,812,590 km (0.105 R)
• M8: 4,673,886 km (0.061 R)
• M9: 5,876,653 km (0.093 R)
• M10: 6,894,517 km (0.108 R)
• M11: 8,682,062 km (0.119 R)
• M12: 10,156,798 km (0.042 R)
• M13: 11,555,688 km (0.085 R)
• M14: 22,004,052 km (0.086 R)
• M15: 24,232,910 km (0.09 R)
• M16: 25,899,879 km (0.036 R)
• M17: 29,133,587 km (0.082 R)
• M18: 30,009,782 km (0.058 R)
• M19: 33,096,734 km (0.107 R)
• M20: 38,569,921 km (0.035 R)
• M21: 42,071,858 km (0.108 R)
• M22: 42,768,834 km (0.09 R)
• M23: 47,713,194 km (0.11 R)
• M24: 52,060,657 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 11,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit