🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.72 AU - 0.92 AU

Year: 284 Days

Day: 20.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,972,560 km

• M1: 208,988 km (0.029 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.26 AU - 3.48 AU

Year: 1862 Days

Day: 28.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 12.4

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.38 AU - 8.82 AU

Year: 8022 Days

Day: 13.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 69,972,560 km

• M1: 159,621 km (0.105 R)
• M2: 299,345 km (0.079 R)
• M3: 487,390 km (0.115 R)
• M4: 825,930 km (0.106 R)
• M5: 950,395 km (0.044 R)
• M6: 1,081,742 km (0.096 R)
• M7: 1,235,379 km (0.108 R)
• M8: 1,463,067 km (0.098 R)
• M9: 1,547,889 km (0.084 R)
• M10: 1,830,779 km (0.11 R)
• M11: 1,941,332 km (0.081 R)
• M12: 2,188,766 km (0.119 R)
• M13: 2,267,006 km (0.096 R)
• M14: 3,414,571 km (0.06 R)
• M15: 3,552,052 km (0.081 R)
• M16: 3,714,665 km (0.103 R)
• M17: 3,856,184 km (0.066 R)
• M18: 3,975,414 km (0.109 R)
• M19: 4,870,607 km (0.027 R)
• M20: 5,077,950 km (0.066 R)
• M21: 5,182,669 km (0.103 R)
• M22: 5,799,012 km (0.087 R)
• M23: 6,074,422 km (0.046 R)
• M24: 6,269,647 km (0.079 R)
• M25: 6,354,020 km (0.027 R)
• M26: 6,926,082 km (0.108 R)
• M27: 7,042,619 km (0.063 R)
• M28: 7,218,396 km (0.075 R)
• M29: 7,366,050 km (0.079 R)
• M30: 7,544,669 km (0.086 R)
• M31: 7,815,142 km (0.11 R)
• M32: 7,966,835 km (0.1 R)
• M33: 8,150,242 km (0.078 R)
• M34: 8,273,211 km (0.113 R)
• M35: 8,489,978 km (0.117 R)
• M36: 9,504,850 km (0.094 R)
• M37: 9,602,089 km (0.059 R)
• M38: 10,894,615 km (0.081 R)
• M39: 11,509,611 km (0.088 R)
• M40: 11,960,649 km (0.099 R)
• M41: 12,100,673 km (0.093 R)
• M42: 12,701,757 km (0.069 R)
• M43: 13,933,097 km (0.07 R)
• M44: 15,620,710 km (0.079 R)
• M45: 16,352,543 km (0.089 R)
• M46: 16,469,080 km (0.119 R)
• M47: 16,586,066 km (0.07 R)
• M48: 16,820,485 km (0.108 R)
• M49: 17,056,252 km (0.096 R)
• M50: 17,491,133 km (0.101 R)
• M51: 17,809,627 km (0.096 R)
• M52: 18,170,457 km (0.053 R)
• M53: 18,655,154 km (0.076 R)
• M54: 18,858,308 km (0.102 R)
• M55: 19,885,596 km (0.034 R)
• M56: 21,269,227 km (0.096 R)
• M57: 21,694,534 km (0.11 R)
• M58: 21,865,524 km (0.115 R)
• M59: 22,813,825 km (0.085 R)
• M60: 23,205,622 km (0.086 R)
• M61: 23,775,440 km (0.103 R)
• M62: 24,040,079 km (0.085 R)
• M63: 24,172,772 km (0.098 R)
• M64: 24,261,334 km (0.111 R)
• M65: 24,616,629 km (0.114 R)
• M66: 25,512,720 km (0.097 R)
• M67: 26,647,719 km (0.092 R)
• M68: 27,336,617 km (0.083 R)
• M69: 27,567,596 km (0.12 R)
• M70: 28,077,875 km (0.097 R)
• M71: 28,404,297 km (0.064 R)
• M72: 28,778,890 km (0.074 R)
• M73: 29,202,252 km (0.118 R)
• M74: 29,343,922 km (0.044 R)
• M75: 29,675,131 km (0.044 R)
• M76: 29,769,976 km (0.115 R)
• M77: 30,484,755 km (0.11 R)
• M78: 31,737,039 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.1

Radius: 10.2

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.7 AU - 7.78 AU

Year: 8245 Days

Day: 6.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 130 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 69,972,560 km

• M1: 146,456 km (0.101 R)
• M2: 274,362 km (0.102 R)
• M3: 357,689 km (0.111 R)
• M4: 585,676 km (0.04 R)
• M5: 733,179 km (0.114 R)
• M6: 1,951,803 km (0.075 R)
• M7: 2,109,779 km (0.099 R)
• M8: 2,272,092 km (0.107 R)
• M9: 2,535,684 km (0.042 R)
• M10: 2,658,653 km (0.09 R)
• M11: 3,465,883 km (0.119 R)
• M12: 3,825,966 km (0.1 R)
• M13: 4,082,376 km (0.088 R)
• M14: 4,823,933 km (0.067 R)
• M15: 5,100,988 km (0.074 R)
• M16: 5,194,636 km (0.08 R)
• M17: 5,735,582 km (0.119 R)
• M18: 5,930,808 km (0.117 R)
• M19: 6,029,243 km (0.032 R)
• M20: 6,194,549 km (0.062 R)
• M21: 6,529,797 km (0.081 R)
• M22: 6,733,849 km (0.107 R)
• M23: 7,009,109 km (0.11 R)
• M24: 7,182,942 km (0.055 R)
• M25: 7,393,576 km (0.079 R)
• M26: 7,570,699 km (0.116 R)
• M27: 7,713,416 km (0.055 R)
• M28: 8,110,449 km (0.041 R)
• M29: 8,440,312 km (0.116 R)
• M30: 8,551,164 km (0.07 R)
• M31: 8,962,109 km (0.089 R)
• M32: 9,075,205 km (0.101 R)
• M33: 9,265,045 km (0.083 R)
• M34: 9,417,635 km (0.072 R)
• M35: 10,036,970 km (0.111 R)
• M36: 10,549,791 km (0.088 R)
• M37: 11,314,835 km (0.066 R)
• M38: 11,642,155 km (0.093 R)
• M39: 12,558,741 km (0.073 R)
• M40: 12,643,264 km (0.081 R)
• M41: 13,368,814 km (0.094 R)
• M42: 14,151,959 km (0.087 R)
• M43: 14,460,579 km (0.12 R)
• M44: 14,549,141 km (0.082 R)
• M45: 16,082,369 km (0.084 R)
• M46: 17,289,176 km (0.072 R)
• M47: 18,380,791 km (0.1 R)
• M48: 19,543,765 km (0.088 R)
• M49: 20,232,962 km (0.075 R)
• M50: 20,332,146 km (0.112 R)
• M51: 20,481,145 km (0.068 R)
• M52: 20,830,157 km (0.069 R)
• M53: 21,281,943 km (0.064 R)
• M54: 22,194,938 km (0.095 R)
• M55: 22,707,760 km (0.047 R)
• M56: 23,536,383 km (0.089 R)
• M57: 23,849,641 km (0.106 R)
• M58: 24,006,868 km (0.102 R)
• M59: 24,533,153 km (0.077 R)
• M60: 24,797,792 km (0.056 R)
• M61: 24,957,114 km (0.028 R)
• M62: 26,027,187 km (0.052 R)
• M63: 28,156,862 km (0.029 R)
• M64: 29,663,762 km (0.113 R)
• M65: 31,311,283 km (0.053 R)
• M66: 31,426,025 km (0.07 R)
• M67: 31,770,997 km (0.094 R)
• M68: 32,522,876 km (0.102 R)
• M69: 32,813,545 km (0.085 R)
• M70: 33,690,936 km (0.091 R)
• M71: 33,867,312 km (0.072 R)
• M72: 34,932,150 km (0.026 R)
• M73: 35,170,310 km (0.095 R)
• M74: 35,468,608 km (0.098 R)
• M75: 36,128,185 km (0.077 R)
• M76: 36,248,462 km (0.095 R)
• M77: 37,276,797 km (0.099 R)
• M78: 37,459,157 km (0.06 R)
• M79: 39,176,391 km (0.053 R)
• M80: 40,606,098 km (0.108 R)
• M81: 40,919,206 km (0.106 R)
• M82: 41,295,894 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.9

Radius: 12.5

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.02 AU - 10.9 AU

Year: 11141 Days

Day: 6.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 69,972,560 km

• M1: 250,128 km (0.113 R)
• M2: 344,823 km (0.085 R)
• M3: 434,881 km (0.08 R)
• M4: 562,937 km (0.076 R)
• M5: 647,011 km (0.103 R)
• M6: 862,731 km (0.083 R)
• M7: 1,139,337 km (0.075 R)
• M8: 1,365,978 km (0.094 R)
• M9: 1,628,373 km (0.102 R)
• M10: 1,907,522 km (0.117 R)
• M11: 2,087,040 km (0.084 R)
• M12: 2,439,193 km (0.119 R)
• M13: 3,634,480 km (0.115 R)
• M14: 3,887,301 km (0.065 R)
• M15: 3,972,871 km (0.117 R)
• M16: 4,233,470 km (0.099 R)
• M17: 4,924,762 km (0.045 R)
• M18: 5,846,434 km (0.094 R)
• M19: 5,977,781 km (0.075 R)
• M20: 6,310,337 km (0.043 R)
• M21: 6,478,934 km (0.12 R)
• M22: 7,593,438 km (0.104 R)
• M23: 7,917,617 km (0.069 R)
• M24: 8,136,179 km (0.117 R)
• M25: 8,729,036 km (0.076 R)
• M26: 9,451,294 km (0.114 R)
• M27: 9,605,679 km (0.05 R)
• M28: 9,995,681 km (0.095 R)
• M29: 10,074,369 km (0.081 R)
• M30: 10,192,552 km (0.057 R)
• M31: 10,351,125 km (0.048 R)
• M32: 11,278,183 km (0.108 R)
• M33: 12,231,870 km (0.1 R)
• M34: 12,612,148 km (0.052 R)
• M35: 12,739,755 km (0.04 R)
• M36: 13,039,250 km (0.095 R)
• M37: 13,601,588 km (0.092 R)
• M38: 13,688,804 km (0.034 R)
• M39: 14,127,574 km (0.105 R)
• M40: 14,571,132 km (0.118 R)
• M41: 15,199,892 km (0.086 R)
• M42: 15,837,328 km (0.066 R)
• M43: 16,113,336 km (0.107 R)
• M44: 16,205,638 km (0.107 R)
• M45: 16,576,790 km (0.078 R)
• M46: 17,044,583 km (0.102 R)
• M47: 17,422,018 km (0.113 R)
• M48: 17,897,590 km (0.032 R)
• M49: 18,619,101 km (0.054 R)
• M50: 19,105,443 km (0.08 R)
• M51: 20,140,212 km (0.072 R)
• M52: 20,890,595 km (0.093 R)
• M53: 20,991,274 km (0.089 R)
• M54: 21,548,227 km (0.074 R)
• M55: 21,854,155 km (0.118 R)
• M56: 23,457,245 km (0.111 R)
• M57: 23,771,850 km (0.116 R)
• M58: 25,204,997 km (0.099 R)
• M59: 25,312,259 km (0.053 R)
• M60: 26,230,341 km (0.063 R)
• M61: 28,768,718 km (0.063 R)
• M62: 29,556,650 km (0.104 R)
• M63: 29,896,536 km (0.073 R)
• M64: 30,010,230 km (0.088 R)
• M65: 30,123,925 km (0.092 R)
• M66: 31,039,015 km (0.099 R)
• M67: 31,499,926 km (0.063 R)
• M68: 32,428,630 km (0.09 R)
• M69: 34,134,644 km (0.113 R)
• M70: 35,809,542 km (0.072 R)
• M71: 37,144,254 km (0.067 R)
• M72: 38,125,017 km (0.068 R)
• M73: 38,248,286 km (0.033 R)
• M74: 38,371,704 km (0.09 R)
• M75: 39,737,234 km (0.119 R)
• M76: 39,924,680 km (0.095 R)
• M77: 40,300,320 km (0.046 R)
• M78: 40,614,476 km (0.117 R)
• M79: 41,118,620 km (0.072 R)
• M80: 42,835,406 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.8

Radius: 9.3

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 11.25 AU - 11.35 AU

Year: 14544 Days

Day: 9.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 69,972,560 km

• M1: 258,804 km (0.072 R)
• M2: 355,744 km (0.062 R)
• M3: 556,654 km (0.117 R)
• M4: 773,571 km (0.111 R)
• M5: 1,260,661 km (0.07 R)
• M6: 1,522,158 km (0.109 R)
• M7: 1,888,075 km (0.064 R)
• M8: 2,036,177 km (0.111 R)
• M9: 2,375,614 km (0.039 R)
• M10: 2,568,296 km (0.085 R)
• M11: 2,666,582 km (0.092 R)
• M12: 2,833,384 km (0.091 R)
• M13: 2,901,002 km (0.078 R)
• M14: 3,142,154 km (0.041 R)
• M15: 3,680,706 km (0.072 R)
• M16: 3,829,257 km (0.072 R)
• M17: 4,364,817 km (0.099 R)
• M18: 4,443,206 km (0.095 R)
• M19: 5,632,958 km (0.038 R)
• M20: 6,064,997 km (0.08 R)
• M21: 6,329,336 km (0.115 R)
• M22: 7,424,393 km (0.066 R)
• M23: 8,089,954 km (0.105 R)
• M24: 8,725,146 km (0.103 R)
• M25: 9,887,970 km (0.112 R)
• M26: 10,356,062 km (0.042 R)
• M27: 11,045,110 km (0.115 R)
• M28: 11,152,521 km (0.118 R)
• M29: 11,639,762 km (0.112 R)
• M30: 12,467,337 km (0.07 R)
• M31: 12,579,087 km (0.035 R)
• M32: 13,256,765 km (0.105 R)
• M33: 13,600,092 km (0.118 R)
• M34: 15,420,100 km (0.082 R)
• M35: 18,195,140 km (0.092 R)
• M36: 18,512,886 km (0.118 R)
• M37: 19,412,268 km (0.117 R)
• M38: 19,671,821 km (0.052 R)
• M39: 19,997,944 km (0.087 R)
• M40: 20,063,318 km (0.1 R)
• M41: 20,128,842 km (0.069 R)
• M42: 20,391,686 km (0.083 R)
• M43: 21,120,078 km (0.113 R)
• M44: 22,670,510 km (0.066 R)
• M45: 22,807,093 km (0.07 R)
• M46: 23,081,007 km (0.077 R)
• M47: 23,149,672 km (0.107 R)
• M48: 23,840,066 km (0.099 R)
• M49: 24,397,169 km (0.088 R)
• M50: 24,677,366 km (0.115 R)
• M51: 25,666,357 km (0.116 R)
• M52: 26,022,699 km (0.1 R)
• M53: 27,029,194 km (0.089 R)
• M54: 27,246,559 km (0.098 R)
• M55: 27,682,936 km (0.097 R)
• M56: 29,675,281 km (0.096 R)
• M57: 30,274,420 km (0.095 R)
• M58: 30,575,561 km (0.107 R)
• M59: 32,249,112 km (0.118 R)
• M60: 33,097,183 km (0.099 R)
• M61: 33,718,462 km (0.086 R)
• M62: 35,367,629 km (0.1 R)
• M63: 36,162,144 km (0.084 R)
• M64: 36,321,765 km (0.067 R)
• M65: 37,042,976 km (0.026 R)
• M66: 39,316,714 km (0.028 R)
• M67: 39,398,694 km (0.055 R)
• M68: 39,480,823 km (0.088 R)
• M69: 40,968,274 km (0.057 R)
• M70: 42,979,917 km (0.028 R)
• M71: 43,318,307 km (0.084 R)
• M72: 43,572,773 km (0.077 R)
• M73: 44,595,275 km (0.107 R)
• M74: 46,750,681 km (0.104 R)
• M75: 47,273,077 km (0.083 R)
• M76: 47,797,417 km (0.095 R)
• M77: 47,884,932 km (0.07 R)
• M78: 47,972,596 km (0.115 R)
• M79: 48,675,407 km (0.101 R)
• M80: 49,293,396 km (0.105 R)
• M81: 50,893,944 km (0.092 R)
• M82: 54,054,797 km (0.096 R)
• M83: 54,603,073 km (0.098 R)
• M84: 55,061,291 km (0.095 R)
• M85: 55,153,145 km (0.059 R)
• M86: 57,371,681 km (0.046 R)
• M87: 59,807,882 km (0.101 R)
• M88: 62,373,486 km (0.052 R)
• M89: 64,103,585 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.3

Radius: 6.5

Gravity: 16.6 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 9.64 AU - 15.86 AU

Year: 17432 Days

Day: 24.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 69,972,560 km

• M1: 140,472 km (0.08 R)
• M2: 357,090 km (0.07 R)
• M3: 957,875 km (0.043 R)
• M4: 1,212,491 km (0.025 R)
• M5: 1,292,974 km (0.071 R)
• M6: 2,031,090 km (0.108 R)
• M7: 2,913,867 km (0.103 R)
• M8: 3,470,820 km (0.072 R)
• M9: 3,663,801 km (0.078 R)
• M10: 4,060,236 km (0.076 R)
• M11: 4,428,695 km (0.087 R)
• M12: 4,680,319 km (0.069 R)
• M13: 5,285,442 km (0.115 R)
• M14: 5,642,233 km (0.103 R)
• M15: 6,192,005 km (0.09 R)
• M16: 6,568,095 km (0.115 R)
• M17: 6,903,044 km (0.074 R)
• M18: 7,243,828 km (0.084 R)
• M19: 7,440,998 km (0.054 R)
• M20: 7,992,117 km (0.073 R)
• M21: 8,144,856 km (0.082 R)
• M22: 8,504,639 km (0.11 R)
• M23: 9,400,132 km (0.11 R)
• M24: 10,050,284 km (0.068 R)
• M25: 10,547,248 km (0.091 R)
• M26: 10,939,344 km (0.095 R)
• M27: 10,995,743 km (0.068 R)
• M28: 11,853,537 km (0.103 R)
• M29: 11,911,431 km (0.078 R)
• M30: 12,027,669 km (0.062 R)
• M31: 12,319,684 km (0.116 R)
• M32: 12,910,895 km (0.093 R)
• M33: 14,120,842 km (0.101 R)
• M34: 14,614,814 km (0.079 R)
• M35: 14,739,280 km (0.104 R)
• M36: 14,801,662 km (0.111 R)
• M37: 15,303,413 km (0.1 R)
• M38: 17,895,047 km (0.101 R)
• M39: 17,961,468 km (0.079 R)
• M40: 18,698,537 km (0.082 R)
• M41: 19,240,829 km (0.104 R)
• M42: 19,719,543 km (0.051 R)
• M43: 20,063,767 km (0.065 R)
• M44: 20,898,374 km (0.078 R)
• M45: 21,038,547 km (0.085 R)
• M46: 21,531,622 km (0.081 R)
• M47: 22,028,586 km (0.074 R)
• M48: 22,601,097 km (0.106 R)
• M49: 24,939,760 km (0.112 R)
• M50: 25,836,300 km (0.119 R)
• M51: 27,277,526 km (0.118 R)
• M52: 28,123,801 km (0.113 R)
• M53: 28,356,127 km (0.104 R)
• M54: 29,056,843 km (0.079 R)
• M55: 29,135,083 km (0.047 R)
• M56: 29,370,101 km (0.096 R)
• M57: 29,684,406 km (0.067 R)
• M58: 29,842,082 km (0.087 R)
• M59: 29,920,921 km (0.101 R)
• M60: 30,316,457 km (0.055 R)
• M61: 30,475,181 km (0.077 R)
• M62: 31,192,951 km (0.109 R)
• M63: 33,624,964 km (0.108 R)
• M64: 33,871,501 km (0.057 R)
• M65: 34,036,208 km (0.036 R)
• M66: 35,029,987 km (0.077 R)
• M67: 36,033,340 km (0.069 R)
• M68: 38,153,591 km (0.051 R)
• M69: 39,618,453 km (0.114 R)
• M70: 39,878,753 km (0.094 R)
• M71: 40,926,088 km (0.058 R)
• M72: 41,101,566 km (0.095 R)
• M73: 42,159,373 km (0.119 R)
• M74: 43,762,763 km (0.079 R)
• M75: 44,031,889 km (0.055 R)
• M76: 44,211,706 km (0.114 R)
• M77: 44,391,672 km (0.089 R)
• M78: 44,842,710 km (0.079 R)
• M79: 46,113,843 km (0.073 R)
• M80: 46,387,757 km (0.111 R)
• M81: 47,857,705 km (0.059 R)
• M82: 48,970,265 km (0.064 R)
• M83: 49,063,314 km (0.094 R)
• M84: 50,560,789 km (0.097 R)
• M85: 51,978,379 km (0.117 R)
• M86: 54,273,360 km (0.11 R)
• M87: 54,466,042 km (0.106 R)
• M88: 56,016,175 km (0.039 R)
• M89: 62,865,064 km (0.114 R)
• M90: 63,168,748 km (0.118 R)
• M91: 64,898,997 km (0.066 R)
• M92: 65,308,297 km (0.117 R)
• M93: 66,438,509 km (0.103 R)
• M94: 66,851,100 km (0.105 R)
• M95: 69,553,585 km (0.111 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: 256 - 11,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit