🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.95 AU - 1.43 AU

Year: 489 Days

Day: 19.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 19.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.31 AU - 2.87 AU

Year: 1570 Days

Day: 24 Hours

Environment

Temp: -106 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.62 AU - 3.02 AU

Year: 1784 Days

Day: 13.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,437,344 km

• M1: 216,767 km (0.095 R)
• M2: 1,004,400 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.06 AU - 3.84 AU

Year: 2414 Days

Day: 26.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.83 AU - 4.45 AU

Year: 3173 Days

Day: 13.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.3

Radius: 14.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.32 AU - 4.76 AU

Year: 3644 Days

Day: 5.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 57,437,344 km

• M1: 188,942 km (0.096 R)
• M2: 296,952 km (0.036 R)
• M3: 415,284 km (0.118 R)
• M4: 586,274 km (0.071 R)
• M5: 754,572 km (0.084 R)
• M6: 907,012 km (0.096 R)
• M7: 999,463 km (0.115 R)
• M8: 1,233,135 km (0.074 R)
• M9: 1,337,255 km (0.079 R)
• M10: 1,741,020 km (0.103 R)
• M11: 2,042,161 km (0.105 R)
• M12: 2,311,736 km (0.119 R)
• M13: 2,409,723 km (0.103 R)
• M14: 2,576,225 km (0.109 R)
• M15: 3,081,267 km (0.104 R)
• M16: 3,189,726 km (0.073 R)
• M17: 3,770,914 km (0.084 R)
• M18: 3,867,703 km (0.076 R)
• M19: 4,528,328 km (0.11 R)
• M20: 4,819,295 km (0.103 R)
• M21: 5,052,369 km (0.087 R)
• M22: 5,529,736 km (0.111 R)
• M23: 5,707,009 km (0.071 R)
• M24: 5,818,759 km (0.104 R)
• M25: 6,044,352 km (0.073 R)
• M26: 6,296,126 km (0.068 R)
• M27: 6,434,803 km (0.025 R)
• M28: 6,809,994 km (0.048 R)
• M29: 7,024,069 km (0.109 R)
• M30: 7,192,217 km (0.088 R)
• M31: 7,655,372 km (0.118 R)
• M32: 8,153,383 km (0.075 R)
• M33: 8,381,071 km (0.073 R)
• M34: 8,610,704 km (0.073 R)
• M35: 8,739,208 km (0.102 R)
• M36: 8,894,341 km (0.038 R)
• M37: 9,154,941 km (0.118 R)
• M38: 10,032,632 km (0.025 R)
• M39: 10,743,221 km (0.102 R)
• M40: 10,909,574 km (0.07 R)
• M41: 11,583,363 km (0.094 R)
• M42: 11,982,640 km (0.11 R)
• M43: 12,212,871 km (0.082 R)
• M44: 12,386,554 km (0.105 R)
• M45: 12,971,332 km (0.091 R)
• M46: 13,089,365 km (0.119 R)
• M47: 13,356,397 km (0.111 R)
• M48: 13,535,316 km (0.064 R)
• M49: 14,411,511 km (0.085 R)
• M50: 14,933,757 km (0.076 R)
• M51: 15,274,990 km (0.12 R)
• M52: 16,028,514 km (0.091 R)
• M53: 16,505,582 km (0.113 R)
• M54: 17,278,704 km (0.117 R)
• M55: 17,473,779 km (0.097 R)
• M56: 17,800,651 km (0.086 R)
• M57: 18,526,948 km (0.07 R)
• M58: 19,027,652 km (0.112 R)
• M59: 19,128,332 km (0.054 R)
• M60: 19,770,107 km (0.096 R)
• M61: 20,042,524 km (0.067 R)
• M62: 20,281,731 km (0.037 R)
• M63: 20,384,655 km (0.095 R)
• M64: 21,248,732 km (0.075 R)
• M65: 21,878,090 km (0.092 R)
• M66: 22,089,322 km (0.103 R)
• M67: 23,586,797 km (0.059 R)
• M68: 23,803,265 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 11.3

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.43 AU - 8.71 AU

Year: 7082 Days

Day: 6.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 57,437,344 km

• M1: 244,293 km (0.091 R)
• M2: 776,862 km (0.079 R)
• M3: 1,131,259 km (0.102 R)
• M4: 1,283,550 km (0.116 R)
• M5: 1,424,920 km (0.094 R)
• M6: 1,723,367 km (0.118 R)
• M7: 1,840,652 km (0.057 R)
• M8: 2,315,027 km (0.114 R)
• M9: 2,445,028 km (0.082 R)
• M10: 2,577,571 km (0.113 R)
• M11: 3,084,110 km (0.06 R)
• M12: 3,422,500 km (0.078 R)
• M13: 3,798,589 km (0.117 R)
• M14: 3,978,705 km (0.118 R)
• M15: 4,056,795 km (0.109 R)
• M16: 4,240,950 km (0.047 R)
• M17: 4,563,184 km (0.094 R)
• M18: 4,645,014 km (0.117 R)
• M19: 4,754,819 km (0.05 R)
• M20: 5,288,584 km (0.044 R)
• M21: 5,519,114 km (0.077 R)
• M22: 5,664,823 km (0.084 R)
• M23: 5,871,118 km (0.06 R)
• M24: 5,990,048 km (0.06 R)
• M25: 7,771,161 km (0.09 R)
• M26: 8,432,533 km (0.09 R)
• M27: 8,736,067 km (0.073 R)
• M28: 8,872,201 km (0.044 R)
• M29: 9,180,971 km (0.112 R)
• M30: 10,057,166 km (0.091 R)
• M31: 10,415,153 km (0.098 R)
• M32: 10,923,337 km (0.04 R)
• M33: 11,700,797 km (0.114 R)
• M34: 11,963,940 km (0.026 R)
• M35: 12,115,184 km (0.082 R)
• M36: 12,457,912 km (0.093 R)
• M37: 12,534,506 km (0.115 R)
• M38: 12,649,697 km (0.072 R)
• M39: 12,958,467 km (0.116 R)
• M40: 13,269,930 km (0.12 R)
• M41: 13,426,558 km (0.092 R)
• M42: 13,860,392 km (0.108 R)
• M43: 14,138,794 km (0.08 R)
• M44: 14,782,364 km (0.073 R)
• M45: 15,148,580 km (0.105 R)
• M46: 15,312,389 km (0.093 R)
• M47: 15,559,076 km (0.111 R)
• M48: 16,014,751 km (0.098 R)
• M49: 17,151,845 km (0.108 R)
• M50: 18,227,902 km (0.084 R)
• M51: 18,358,501 km (0.096 R)
• M52: 19,148,527 km (0.088 R)
• M53: 19,237,089 km (0.101 R)
• M54: 20,039,532 km (0.104 R)
• M55: 20,399,614 km (0.108 R)
• M56: 20,943,851 km (0.09 R)
• M57: 21,538,952 km (0.043 R)
• M58: 21,723,107 km (0.059 R)
• M59: 22,605,136 km (0.117 R)
• M60: 23,121,249 km (0.065 R)
• M61: 23,546,406 km (0.091 R)
• M62: 23,831,240 km (0.109 R)
• M63: 24,021,828 km (0.04 R)
• M64: 24,164,993 km (0.093 R)
• M65: 24,596,433 km (0.095 R)
• M66: 25,418,324 km (0.104 R)
• M67: 26,495,279 km (0.055 R)
• M68: 26,940,183 km (0.091 R)
• M69: 27,138,699 km (0.09 R)
• M70: 27,337,664 km (0.026 R)
• M71: 27,737,091 km (0.082 R)
• M72: 28,997,902 km (0.077 R)
• M73: 29,150,491 km (0.036 R)
• M74: 29,558,594 km (0.025 R)
• M75: 29,968,493 km (0.062 R)
• M76: 30,277,263 km (0.085 R)
• M77: 30,380,485 km (0.108 R)
• M78: 30,483,708 km (0.099 R)
• M79: 31,679,743 km (0.083 R)
• M80: 32,046,706 km (0.106 R)
• M81: 34,871,114 km (0.114 R)
• M82: 35,412,958 km (0.093 R)
• M83: 35,957,643 km (0.117 R)
• M84: 36,340,464 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.8

Radius: 10.9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 10.73 AU - 12.51 AU

Year: 14922 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 57,437,344 km

• M1: 504,145 km (0.107 R)
• M2: 662,120 km (0.045 R)
• M3: 888,462 km (0.091 R)
• M4: 1,275,023 km (0.055 R)
• M5: 1,689,708 km (0.084 R)
• M6: 2,169,020 km (0.055 R)
• M7: 2,792,992 km (0.027 R)
• M8: 2,950,818 km (0.037 R)
• M9: 3,302,971 km (0.05 R)
• M10: 3,498,346 km (0.099 R)
• M11: 3,871,294 km (0.077 R)
• M12: 3,959,108 km (0.038 R)
• M13: 4,439,317 km (0.098 R)
• M14: 4,906,212 km (0.058 R)
• M15: 5,129,561 km (0.111 R)
• M16: 5,421,726 km (0.114 R)
• M17: 5,652,705 km (0.117 R)
• M18: 5,752,786 km (0.111 R)
• M19: 5,988,403 km (0.082 R)
• M20: 6,891,525 km (0.099 R)
• M21: 7,141,952 km (0.096 R)
• M22: 7,250,111 km (0.05 R)
• M23: 7,578,179 km (0.106 R)
• M24: 7,911,184 km (0.057 R)
• M25: 8,023,233 km (0.032 R)
• M26: 8,211,128 km (0.085 R)
• M27: 8,324,673 km (0.087 R)
• M28: 8,668,149 km (0.102 R)
• M29: 9,487,946 km (0.075 R)
• M30: 10,007,798 km (0.109 R)
• M31: 10,619,205 km (0.111 R)
• M32: 10,784,361 km (0.087 R)
• M33: 10,991,853 km (0.092 R)
• M34: 11,580,222 km (0.059 R)
• M35: 11,665,044 km (0.097 R)
• M36: 12,612,447 km (0.096 R)
• M37: 12,743,495 km (0.055 R)
• M38: 15,272,895 km (0.051 R)
• M39: 16,117,974 km (0.055 R)
• M40: 18,000,962 km (0.119 R)
• M41: 20,207,531 km (0.113 R)
• M42: 20,515,104 km (0.077 R)
• M43: 20,979,157 km (0.117 R)
• M44: 21,499,009 km (0.106 R)
• M45: 21,760,506 km (0.115 R)
• M46: 22,392,258 km (0.096 R)
• M47: 23,674,162 km (0.097 R)
• M48: 23,782,022 km (0.093 R)
• M49: 24,324,015 km (0.063 R)
• M50: 24,869,898 km (0.096 R)
• M51: 25,364,768 km (0.055 R)
• M52: 25,530,522 km (0.025 R)
• M53: 25,751,927 km (0.109 R)
• M54: 27,376,560 km (0.109 R)
• M55: 27,546,503 km (0.065 R)
• M56: 27,773,742 km (0.117 R)
• M57: 27,887,586 km (0.075 R)
• M58: 28,344,309 km (0.101 R)
• M59: 29,729,585 km (0.111 R)
• M60: 29,962,658 km (0.112 R)
• M61: 30,313,316 km (0.081 R)
• M62: 30,547,885 km (0.076 R)
• M63: 31,255,184 km (0.106 R)
• M64: 32,625,800 km (0.043 R)
• M65: 33,348,657 km (0.098 R)
• M66: 33,590,706 km (0.116 R)
• M67: 35,363,740 km (0.099 R)
• M68: 36,978,948 km (0.103 R)
• M69: 37,543,680 km (0.09 R)
• M70: 38,301,094 km (0.045 R)
• M71: 38,936,137 km (0.091 R)
• M72: 40,797,284 km (0.107 R)
• M73: 41,121,164 km (0.101 R)
• M74: 41,771,316 km (0.075 R)
• M75: 41,966,990 km (0.103 R)
• M76: 42,163,113 km (0.113 R)
• M77: 42,490,433 km (0.07 R)
• M78: 43,345,684 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836.9

Radius: 5

Gravity: 33.48 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 10.3 AU - 15.36 AU

Year: 17313 Days

Day: 16.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 57,437,344 km

• M1: 64,477 km (0.107 R)
• M2: 115,041 km (0.1 R)
• M3: 171,589 km (0.086 R)
• M4: 336,595 km (0.084 R)
• M5: 504,743 km (0.117 R)
• M6: 674,986 km (0.119 R)
• M7: 790,475 km (0.112 R)
• M8: 838,496 km (0.103 R)
• M9: 1,257,370 km (0.102 R)
• M10: 1,608,776 km (0.085 R)
• M11: 2,292,288 km (0.054 R)
• M12: 2,866,295 km (0.116 R)
• M13: 4,436,774 km (0.052 R)
• M14: 4,964,854 km (0.106 R)
• M15: 5,190,897 km (0.108 R)
• M16: 5,236,374 km (0.11 R)
• M17: 5,282,151 km (0.094 R)
• M18: 5,605,881 km (0.046 R)
• M19: 5,888,621 km (0.11 R)
• M20: 6,913,965 km (0.107 R)
• M21: 7,783,727 km (0.074 R)
• M22: 8,525,433 km (0.072 R)
• M23: 9,014,169 km (0.102 R)
• M24: 9,069,072 km (0.08 R)
• M25: 9,234,377 km (0.104 R)
• M26: 9,400,581 km (0.101 R)
• M27: 10,882,497 km (0.104 R)
• M28: 11,471,614 km (0.094 R)
• M29: 11,769,912 km (0.062 R)
• M30: 12,313,550 km (0.052 R)
• M31: 15,086,197 km (0.119 R)
• M32: 15,151,422 km (0.063 R)
• M33: 16,608,954 km (0.056 R)
• M34: 16,676,273 km (0.045 R)
• M35: 17,014,215 km (0.077 R)
• M36: 17,217,967 km (0.111 R)
• M37: 17,765,495 km (0.114 R)
• M38: 18,110,617 km (0.075 R)
• M39: 18,877,456 km (0.077 R)
• M40: 20,877,131 km (0.05 R)
• M41: 22,868,129 km (0.098 R)
• M42: 24,457,905 km (0.031 R)
• M43: 25,926,957 km (0.115 R)
• M44: 27,106,685 km (0.077 R)
• M45: 28,143,099 km (0.105 R)
• M46: 28,384,251 km (0.116 R)
• M47: 29,111,446 km (0.032 R)
• M48: 29,762,945 km (0.089 R)
• M49: 30,831,972 km (0.097 R)
• M50: 31,579,363 km (0.081 R)
• M51: 31,829,789 km (0.097 R)
• M52: 32,332,737 km (0.065 R)
• M53: 33,261,591 km (0.081 R)
• M54: 33,346,413 km (0.081 R)
• M55: 34,284,840 km (0.072 R)
• M56: 34,886,373 km (0.067 R)
• M57: 35,231,795 km (0.047 R)
• M58: 35,491,646 km (0.096 R)
• M59: 36,712,215 km (0.078 R)
• M60: 39,104,883 km (0.095 R)
• M61: 39,463,619 km (0.118 R)
• M62: 41,821,880 km (0.087 R)
• M63: 42,280,547 km (0.091 R)
• M64: 43,573,821 km (0.03 R)
• M65: 44,505,516 km (0.073 R)
• M66: 44,599,164 km (0.093 R)
• M67: 45,161,652 km (0.083 R)
• M68: 45,349,697 km (0.076 R)
• M69: 45,443,794 km (0.041 R)
• M70: 45,538,041 km (0.08 R)
• M71: 45,632,287 km (0.105 R)
• M72: 47,530,834 km (0.06 R)
• M73: 47,817,912 km (0.119 R)
• M74: 48,778,779 km (0.11 R)
• M75: 49,358,321 km (0.069 R)
• M76: 49,552,051 km (0.073 R)
• M77: 51,208,698 km (0.093 R)
• M78: 51,994,535 km (0.09 R)
• M79: 53,876,776 km (0.068 R)
• M80: 54,976,769 km (0.071 R)
• M81: 55,781,306 km (0.101 R)
• M82: 56,488,605 km (0.06 R)
• M83: 60,586,390 km (0.108 R)
• M84: 61,209,315 km (0.048 R)
• M85: 61,313,286 km (0.087 R)
• M86: 62,880,623 km (0.103 R)
• M87: 66,161,453 km (0.066 R)
• M88: 66,374,930 km (0.053 R)
• M89: 67,231,527 km (0.074 R)
• M90: 67,553,761 km (0.081 R)
• M91: 67,768,733 km (0.104 R)
• M92: 68,847,483 km (0.109 R)
• M93: 68,955,643 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.4

Radius: 3.7

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 14.93 AU - 18.59 AU

Year: 25849 Days

Day: 20.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 57,437,344 km

• M1: 612,304 km (0.05 R)
• M2: 931,995 km (0.093 R)
• M3: 1,177,934 km (0.099 R)
• M4: 1,998,628 km (0.09 R)
• M5: 2,892,774 km (0.087 R)
• M6: 3,020,231 km (0.028 R)
• M7: 3,313,742 km (0.039 R)
• M8: 3,962,698 km (0.066 R)
• M9: 4,912,196 km (0.115 R)
• M10: 4,950,044 km (0.114 R)
• M11: 5,179,228 km (0.107 R)
• M12: 5,569,080 km (0.097 R)
• M13: 5,887,574 km (0.098 R)
• M14: 8,458,264 km (0.029 R)
• M15: 9,008,784 km (0.071 R)
• M16: 12,339,431 km (0.119 R)
• M17: 12,546,025 km (0.086 R)
• M18: 13,172,691 km (0.111 R)
• M19: 14,023,903 km (0.099 R)
• M20: 14,619,452 km (0.026 R)
• M21: 15,168,027 km (0.073 R)
• M22: 15,500,284 km (0.072 R)
• M23: 16,739,403 km (0.102 R)
• M24: 16,853,547 km (0.104 R)
• M25: 18,656,500 km (0.086 R)
• M26: 18,715,741 km (0.085 R)
• M27: 20,276,047 km (0.029 R)
• M28: 20,703,298 km (0.106 R)
• M29: 20,764,484 km (0.063 R)
• M30: 21,690,794 km (0.072 R)
• M31: 21,815,259 km (0.076 R)
• M32: 22,064,938 km (0.057 R)
• M33: 22,252,982 km (0.032 R)
• M34: 22,630,418 km (0.096 R)
• M35: 23,327,843 km (0.073 R)
• M36: 24,354,833 km (0.05 R)
• M37: 27,053,129 km (0.111 R)
• M38: 27,658,103 km (0.049 R)
• M39: 30,678,634 km (0.045 R)
• M40: 32,583,314 km (0.086 R)
• M41: 34,744,105 km (0.113 R)
• M42: 34,889,814 km (0.087 R)
• M43: 36,505,770 km (0.119 R)
• M44: 36,579,671 km (0.116 R)
• M45: 40,038,673 km (0.07 R)
• M46: 40,191,413 km (0.053 R)
• M47: 40,267,857 km (0.083 R)
• M48: 40,881,059 km (0.036 R)
• M49: 41,420,359 km (0.096 R)
• M50: 41,652,086 km (0.045 R)
• M51: 43,130,113 km (0.075 R)
• M52: 43,208,353 km (0.101 R)
• M53: 45,817,340 km (0.101 R)
• M54: 45,897,225 km (0.11 R)
• M55: 46,859,139 km (0.102 R)
• M56: 47,100,590 km (0.096 R)
• M57: 47,584,988 km (0.119 R)
• M58: 47,827,636 km (0.078 R)
• M59: 48,558,422 km (0.03 R)
• M60: 50,855,198 km (0.049 R)
• M61: 50,937,925 km (0.096 R)
• M62: 52,016,825 km (0.118 R)
• M63: 54,366,260 km (0.047 R)
• M64: 54,958,967 km (0.108 R)
• M65: 55,894,701 km (0.101 R)
• M66: 56,150,962 km (0.026 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 11,893 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit