🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.9

Radius: 14.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.49 AU - 0.55 AU

Year: 250 Days

Day: 6.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,510,325 km

• M1: 179,069 km (0.105 R)
• M2: 706,850 km (0.054 R)
• M3: 1,345,334 km (0.072 R)
• M4: 1,891,067 km (0.064 R)
• M5: 2,675,259 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.3

Radius: 11

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.67 AU - 0.71 AU

Year: 382 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,510,325 km

• M1: 140,173 km (0.06 R)
• M2: 582,833 km (0.083 R)
• M3: 942,766 km (0.114 R)
• M4: 1,787,096 km (0.118 R)
• M5: 2,141,793 km (0.081 R)
• M6: 2,515,039 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.3

Radius: 9

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.69 AU - 0.79 AU

Year: 424 Days

Day: 9.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,510,325 km

• M1: 111,899 km (0.065 R)
• M2: 594,502 km (0.076 R)
• M3: 1,055,712 km (0.116 R)
• M4: 1,530,087 km (0.088 R)
• M5: 1,955,244 km (0.085 R)
• M6: 2,560,667 km (0.044 R)
• M7: 3,959,706 km (0.067 R)
• M8: 4,262,043 km (0.111 R)
• M9: 5,002,852 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.3

Radius: 13.4

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.97 AU - 1.23 AU

Year: 769 Days

Day: 9.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,510,325 km

• M1: 166,951 km (0.09 R)
• M2: 753,674 km (0.116 R)
• M3: 1,186,012 km (0.104 R)
• M4: 1,748,650 km (0.097 R)
• M5: 2,167,374 km (0.111 R)
• M6: 2,586,547 km (0.101 R)
• M7: 3,098,471 km (0.098 R)
• M8: 3,592,742 km (0.068 R)
• M9: 4,361,077 km (0.114 R)
• M10: 4,862,529 km (0.081 R)
• M11: 5,726,158 km (0.103 R)
• M12: 6,776,335 km (0.1 R)
• M13: 8,147,100 km (0.063 R)
• M14: 8,728,886 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.8

Radius: 9.5

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.06 AU - 1.28 AU

Year: 844 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,510,325 km

• M1: 119,230 km (0.063 R)
• M2: 644,318 km (0.059 R)
• M3: 1,433,297 km (0.095 R)
• M4: 2,337,616 km (0.113 R)
• M5: 2,803,165 km (0.027 R)
• M6: 3,863,365 km (0.112 R)
• M7: 4,827,972 km (0.09 R)
• M8: 5,224,107 km (0.104 R)
• M9: 5,660,484 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544

Radius: 15

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.8 AU - 3.54 AU

Year: 3764 Days

Day: 14.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,510,325 km

• M1: 186,549 km (0.06 R)
• M2: 653,593 km (0.068 R)
• M3: 1,204,712 km (0.12 R)
• M4: 1,827,039 km (0.108 R)
• M5: 2,449,964 km (0.058 R)
• M6: 4,664,910 km (0.087 R)
• M7: 5,370,713 km (0.09 R)
• M8: 6,460,833 km (0.1 R)
• M9: 8,401,566 km (0.067 R)
• M10: 10,788,101 km (0.107 R)
• M11: 11,503,179 km (0.114 R)
• M12: 17,086,919 km (0.05 R)
• M13: 17,885,173 km (0.027 R)
• M14: 18,589,181 km (0.083 R)
• M15: 22,728,554 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.8

Radius: 12.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.12 AU - 5.06 AU

Year: 5516 Days

Day: 14.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,510,325 km

• M1: 159,322 km (0.071 R)
• M2: 558,748 km (0.107 R)
• M3: 1,121,535 km (0.114 R)
• M4: 1,588,729 km (0.03 R)
• M5: 2,173,507 km (0.066 R)
• M6: 2,915,363 km (0.062 R)
• M7: 4,104,966 km (0.101 R)
• M8: 5,119,239 km (0.052 R)
• M9: 6,463,526 km (0.12 R)
• M10: 7,641,010 km (0.08 R)
• M11: 8,571,360 km (0.119 R)
• M12: 10,261,666 km (0.039 R)
• M13: 10,898,803 km (0.036 R)
• M14: 12,296,197 km (0.078 R)
• M15: 13,525,891 km (0.094 R)
• M16: 14,390,118 km (0.108 R)
• M17: 15,138,108 km (0.079 R)
• M18: 15,911,978 km (0.044 R)
• M19: 18,800,114 km (0.108 R)
• M20: 20,616,681 km (0.07 R)
• M21: 21,056,798 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.1

Radius: 4.1

Gravity: 37.54 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.95 AU - 9.37 AU

Year: 14138 Days

Day: 16.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,510,325 km

• M1: 51,013 km (0.08 R)
• M2: 185,950 km (0.049 R)
• M3: 324,328 km (0.112 R)
• M4: 486,193 km (0.054 R)
• M5: 684,560 km (0.1 R)
• M6: 946,356 km (0.093 R)
• M7: 1,232,238 km (0.116 R)
• M8: 1,467,854 km (0.114 R)
• M9: 1,651,860 km (0.042 R)
• M10: 1,920,837 km (0.073 R)
• M11: 2,399,101 km (0.057 R)
• M12: 2,589,390 km (0.095 R)
• M13: 2,744,373 km (0.094 R)
• M14: 3,171,325 km (0.117 R)
• M15: 3,668,738 km (0.055 R)
• M16: 4,750,780 km (0.078 R)
• M17: 5,543,947 km (0.034 R)
• M18: 8,593,799 km (0.066 R)
• M19: 14,589,532 km (0.049 R)
• M20: 16,395,777 km (0.106 R)
• M21: 17,391,500 km (0.092 R)
• M22: 18,184,519 km (0.069 R)
• M23: 19,756,792 km (0.089 R)
• M24: 21,778,757 km (0.053 R)
• M25: 22,420,382 km (0.098 R)
• M26: 23,934,313 km (0.076 R)
• M27: 24,225,580 km (0.082 R)
• M28: 26,022,998 km (0.103 R)
• M29: 32,773,004 km (0.039 R)
• M30: 33,252,465 km (0.107 R)
• M31: 37,127,798 km (0.089 R)
• M32: 38,838,749 km (0.096 R)
• M33: 43,560,656 km (0.092 R)
• M34: 51,985,260 km (0.086 R)
• M35: 53,459,697 km (0.042 R)
• M36: 54,290,713 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.2

Radius: 4

Gravity: 28.39 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.01 AU - 9.45 AU

Year: 14332 Days

Day: 22.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,510,325 km

• M1: 84,672 km (0.041 R)
• M2: 391,348 km (0.082 R)
• M3: 811,419 km (0.096 R)
• M4: 950,844 km (0.069 R)
• M5: 1,227,451 km (0.104 R)
• M6: 1,426,416 km (0.116 R)
• M7: 1,772,884 km (0.073 R)
• M8: 1,992,195 km (0.072 R)
• M9: 2,364,843 km (0.12 R)
• M10: 2,652,221 km (0.092 R)
• M11: 3,371,038 km (0.075 R)
• M12: 4,389,052 km (0.099 R)
• M13: 5,116,098 km (0.06 R)
• M14: 7,952,324 km (0.069 R)
• M15: 9,725,657 km (0.103 R)
• M16: 11,921,454 km (0.087 R)
• M17: 13,899,737 km (0.081 R)
• M18: 15,589,744 km (0.079 R)
• M19: 16,740,301 km (0.083 R)
• M20: 17,869,466 km (0.108 R)
• M21: 19,697,701 km (0.068 R)
• M22: 21,299,146 km (0.096 R)
• M23: 23,628,385 km (0.105 R)
• M24: 24,094,981 km (0.118 R)
• M25: 26,121,883 km (0.112 R)
• M26: 26,420,330 km (0.073 R)
• M27: 27,227,560 km (0.049 R)
• M28: 29,424,555 km (0.106 R)
• M29: 39,134,504 km (0.043 R)
• M30: 39,525,403 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.3

Radius: 7.4

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.58 AU - 8.22 AU

Year: 14807 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,510,325 km

• M1: 92,003 km (0.064 R)
• M2: 469,887 km (0.113 R)
• M3: 792,420 km (0.094 R)
• M4: 1,272,479 km (0.066 R)
• M5: 1,696,290 km (0.115 R)
• M6: 2,034,381 km (0.119 R)
• M7: 2,615,569 km (0.066 R)
• M8: 3,068,851 km (0.119 R)
• M9: 3,939,510 km (0.104 R)
• M10: 5,870,520 km (0.066 R)
• M11: 6,418,796 km (0.071 R)
• M12: 9,292,272 km (0.116 R)
• M13: 9,985,658 km (0.036 R)
• M14: 12,566,969 km (0.066 R)
• M15: 14,429,163 km (0.098 R)
• M16: 15,494,001 km (0.106 R)
• M17: 18,231,642 km (0.036 R)
• M18: 20,857,085 km (0.079 R)
• M19: 21,191,586 km (0.114 R)
• M20: 23,184,678 km (0.111 R)
• M21: 29,382,518 km (0.075 R)
• M22: 31,415,254 km (0.113 R)
• M23: 41,532,258 km (0.069 R)
• M24: 41,929,142 km (0.057 R)
• M25: 42,462,009 km (0.097 R)
• M26: 48,042,608 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 16,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit