🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.53 AU - 0.67 AU

Year: 164 Days

Day: 46.4 Hours

Environment

Temp: 172 °C

Axial Tilt: 74.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.92 AU - 2.38 AU

Year: 1113 Days

Day: 15.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,472,417 km

• M1: 1,035,516 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.85 AU - 4.65 AU

Year: 3094 Days

Day: 42.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.3

Radius: 11.4

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.35 AU - 6.51 AU

Year: 5757 Days

Day: 5.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 80,472,417 km

• M1: 261,796 km (0.085 R)
• M2: 349,311 km (0.066 R)
• M3: 461,210 km (0.091 R)
• M4: 533,616 km (0.073 R)
• M5: 728,542 km (0.079 R)
• M6: 803,490 km (0.094 R)
• M7: 1,836,314 km (0.062 R)
• M8: 2,539,125 km (0.118 R)
• M9: 2,940,496 km (0.068 R)
• M10: 3,148,736 km (0.06 R)
• M11: 3,297,586 km (0.09 R)
• M12: 3,514,054 km (0.097 R)
• M13: 3,602,167 km (0.1 R)
• M14: 3,757,899 km (0.054 R)
• M15: 4,666,257 km (0.084 R)
• M16: 4,763,196 km (0.11 R)
• M17: 5,058,203 km (0.12 R)
• M18: 5,614,408 km (0.1 R)
• M19: 5,899,990 km (0.078 R)
• M20: 6,084,145 km (0.078 R)
• M21: 6,757,485 km (0.056 R)
• M22: 7,568,156 km (0.112 R)
• M23: 7,682,449 km (0.09 R)
• M24: 7,797,340 km (0.028 R)
• M25: 9,097,944 km (0.113 R)
• M26: 9,341,639 km (0.064 R)
• M27: 9,618,395 km (0.056 R)
• M28: 10,306,246 km (0.066 R)
• M29: 10,624,142 km (0.099 R)
• M30: 10,784,361 km (0.082 R)
• M31: 11,172,119 km (0.101 R)
• M32: 11,828,704 km (0.027 R)
• M33: 12,734,668 km (0.052 R)
• M34: 13,524,096 km (0.086 R)
• M35: 13,767,492 km (0.111 R)
• M36: 14,188,161 km (0.109 R)
• M37: 14,435,596 km (0.061 R)
• M38: 14,791,489 km (0.096 R)
• M39: 14,898,751 km (0.094 R)
• M40: 15,222,331 km (0.091 R)
• M41: 15,620,860 km (0.092 R)
• M42: 16,170,034 km (0.098 R)
• M43: 17,362,478 km (0.106 R)
• M44: 17,931,250 km (0.109 R)
• M45: 18,275,325 km (0.113 R)
• M46: 18,815,074 km (0.092 R)
• M47: 19,752,604 km (0.112 R)
• M48: 20,705,243 km (0.07 R)
• M49: 20,865,462 km (0.109 R)
• M50: 21,106,614 km (0.078 R)
• M51: 21,672,842 km (0.075 R)
• M52: 21,957,826 km (0.025 R)
• M53: 22,039,506 km (0.111 R)
• M54: 22,121,187 km (0.08 R)
• M55: 23,027,301 km (0.081 R)
• M56: 24,197,904 km (0.04 R)
• M57: 24,324,464 km (0.097 R)
• M58: 24,493,510 km (0.057 R)
• M59: 25,131,245 km (0.093 R)
• M60: 25,731,283 km (0.1 R)
• M61: 25,989,937 km (0.091 R)
• M62: 26,206,106 km (0.1 R)
• M63: 26,683,772 km (0.053 R)
• M64: 27,164,430 km (0.076 R)
• M65: 27,295,927 km (0.069 R)
• M66: 27,515,686 km (0.06 R)
• M67: 28,089,843 km (0.084 R)
• M68: 29,384,762 km (0.048 R)
• M69: 30,516,619 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 14

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.46 AU - 10.56 AU

Year: 10355 Days

Day: 7.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 80,472,417 km

• M1: 193,131 km (0.112 R)
• M2: 820,993 km (0.049 R)
• M3: 931,696 km (0.041 R)
• M4: 1,152,352 km (0.087 R)
• M5: 1,371,962 km (0.085 R)
• M6: 1,707,510 km (0.092 R)
• M7: 1,853,518 km (0.065 R)
• M8: 2,225,867 km (0.118 R)
• M9: 2,340,010 km (0.104 R)
• M10: 2,622,301 km (0.102 R)
• M11: 2,718,941 km (0.04 R)
• M12: 2,841,462 km (0.106 R)
• M13: 3,194,663 km (0.049 R)
• M14: 3,324,364 km (0.088 R)
• M15: 3,482,190 km (0.12 R)
• M16: 3,723,940 km (0.109 R)
• M17: 4,424,357 km (0.104 R)
• M18: 5,472,889 km (0.084 R)
• M19: 5,566,387 km (0.104 R)
• M20: 5,660,335 km (0.114 R)
• M21: 6,365,689 km (0.108 R)
• M22: 7,235,002 km (0.056 R)
• M23: 7,337,776 km (0.033 R)
• M24: 7,929,286 km (0.036 R)
• M25: 8,212,923 km (0.115 R)
• M26: 8,717,517 km (0.106 R)
• M27: 9,158,082 km (0.09 R)
• M28: 9,984,760 km (0.056 R)
• M29: 10,176,096 km (0.105 R)
• M30: 11,508,564 km (0.081 R)
• M31: 11,830,200 km (0.092 R)
• M32: 12,523,287 km (0.097 R)
• M33: 13,863,683 km (0.106 R)
• M34: 14,034,375 km (0.051 R)
• M35: 14,248,898 km (0.099 R)
• M36: 14,724,470 km (0.073 R)
• M37: 14,811,536 km (0.101 R)
• M38: 14,942,434 km (0.077 R)
• M39: 15,691,470 km (0.098 R)
• M40: 15,824,912 km (0.095 R)
• M41: 16,272,359 km (0.094 R)
• M42: 16,633,488 km (0.05 R)
• M43: 17,088,565 km (0.093 R)
• M44: 17,363,675 km (0.103 R)
• M45: 18,104,185 km (0.032 R)
• M46: 18,384,531 km (0.1 R)
• M47: 18,572,276 km (0.079 R)
• M48: 18,666,374 km (0.114 R)
• M49: 18,949,712 km (0.083 R)
• M50: 19,472,856 km (0.12 R)
• M51: 20,630,594 km (0.05 R)
• M52: 21,217,765 km (0.102 R)
• M53: 23,316,175 km (0.052 R)
• M54: 24,596,433 km (0.09 R)
• M55: 25,899,580 km (0.075 R)
• M56: 27,439,092 km (0.114 R)
• M57: 28,301,224 km (0.118 R)
• M58: 29,610,954 km (0.108 R)
• M59: 32,289,504 km (0.108 R)
• M60: 33,657,576 km (0.112 R)
• M61: 34,928,260 km (0.112 R)
• M62: 35,686,572 km (0.09 R)
• M63: 36,155,861 km (0.082 R)
• M64: 37,041,480 km (0.095 R)
• M65: 39,377,002 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.1

Radius: 14.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 10.69 AU - 14.91 AU

Year: 16170 Days

Day: 8.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 80,472,417 km

• M1: 227,987 km (0.057 R)
• M2: 354,248 km (0.087 R)
• M3: 576,550 km (0.063 R)
• M4: 1,041,500 km (0.069 R)
• M5: 1,221,467 km (0.027 R)
• M6: 1,562,699 km (0.094 R)
• M7: 1,665,922 km (0.087 R)
• M8: 2,131,620 km (0.119 R)
• M9: 2,576,375 km (0.118 R)
• M10: 2,700,092 km (0.045 R)
• M11: 2,921,347 km (0.038 R)
• M12: 3,281,579 km (0.098 R)
• M13: 3,382,408 km (0.105 R)
• M14: 3,621,615 km (0.1 R)
• M15: 3,831,351 km (0.099 R)
• M16: 4,117,233 km (0.117 R)
• M17: 4,447,246 km (0.096 R)
• M18: 5,650,012 km (0.09 R)
• M19: 5,853,017 km (0.118 R)
• M20: 6,017,425 km (0.046 R)
• M21: 6,308,542 km (0.11 R)
• M22: 6,818,671 km (0.095 R)
• M23: 7,078,822 km (0.109 R)
• M24: 7,386,544 km (0.091 R)
• M25: 7,833,692 km (0.117 R)
• M26: 8,106,260 km (0.067 R)
• M27: 8,567,620 km (0.093 R)
• M28: 8,801,591 km (0.086 R)
• M29: 9,371,559 km (0.038 R)
• M30: 9,612,710 km (0.11 R)
• M31: 10,597,663 km (0.092 R)
• M32: 10,899,551 km (0.111 R)
• M33: 11,000,679 km (0.106 R)
• M34: 11,408,782 km (0.12 R)
• M35: 11,873,882 km (0.061 R)
• M36: 12,082,721 km (0.081 R)
• M37: 12,239,948 km (0.114 R)
• M38: 12,450,881 km (0.1 R)
• M39: 12,609,754 km (0.08 R)
• M40: 13,960,623 km (0.091 R)
• M41: 14,737,036 km (0.093 R)
• M42: 14,905,333 km (0.118 R)
• M43: 16,100,770 km (0.047 R)
• M44: 16,274,004 km (0.114 R)
• M45: 16,797,747 km (0.066 R)
• M46: 18,101,043 km (0.102 R)
• M47: 19,069,390 km (0.112 R)
• M48: 19,621,406 km (0.116 R)
• M49: 20,428,188 km (0.079 R)
• M50: 21,499,608 km (0.109 R)
• M51: 22,138,390 km (0.077 R)
• M52: 24,555,742 km (0.089 R)
• M53: 26,032,423 km (0.119 R)
• M54: 26,713,243 km (0.076 R)
• M55: 27,055,822 km (0.113 R)
• M56: 28,161,949 km (0.051 R)
• M57: 28,720,547 km (0.067 R)
• M58: 29,001,193 km (0.085 R)
• M59: 30,418,184 km (0.114 R)
• M60: 30,561,050 km (0.11 R)
• M61: 31,207,163 km (0.098 R)
• M62: 31,712,804 km (0.088 R)
• M63: 32,220,988 km (0.115 R)
• M64: 32,878,620 km (0.082 R)
• M65: 33,025,226 km (0.119 R)
• M66: 34,429,950 km (0.069 R)
• M67: 35,703,327 km (0.115 R)
• M68: 36,005,066 km (0.118 R)
• M69: 37,834,049 km (0.117 R)
• M70: 38,064,729 km (0.105 R)
• M71: 39,458,982 km (0.094 R)
• M72: 40,948,827 km (0.094 R)
• M73: 41,740,349 km (0.086 R)
• M74: 43,418,837 km (0.103 R)
• M75: 44,956,554 km (0.101 R)
• M76: 45,527,569 km (0.09 R)
• M77: 46,347,515 km (0.103 R)
• M78: 47,420,730 km (0.098 R)
• M79: 52,479,083 km (0.111 R)
• M80: 54,029,814 km (0.117 R)
• M81: 54,723,799 km (0.091 R)
• M82: 57,529,357 km (0.075 R)
• M83: 58,415,575 km (0.092 R)
• M84: 59,217,120 km (0.096 R)
• M85: 59,395,740 km (0.088 R)
• M86: 59,663,969 km (0.061 R)
• M87: 59,932,647 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.4

Radius: 5

Gravity: 37.22 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 10.3 AU - 16.38 AU

Year: 17204 Days

Day: 18.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (99)

Outer Limit: 80,472,417 km

• M1: 560,842 km (0.083 R)
• M2: 626,366 km (0.094 R)
• M3: 813,513 km (0.091 R)
• M4: 1,181,374 km (0.085 R)
• M5: 1,324,240 km (0.08 R)
• M6: 1,382,883 km (0.073 R)
• M7: 2,398,503 km (0.069 R)
• M8: 3,631,638 km (0.086 R)
• M9: 3,672,927 km (0.082 R)
• M10: 3,755,954 km (0.115 R)
• M11: 4,754,370 km (0.111 R)
• M12: 4,890,354 km (0.035 R)
• M13: 5,166,213 km (0.118 R)
• M14: 5,926,469 km (0.066 R)
• M15: 5,975,089 km (0.12 R)
• M16: 6,720,984 km (0.098 R)
• M17: 8,027,871 km (0.063 R)
• M18: 8,627,160 km (0.112 R)
• M19: 10,392,115 km (0.116 R)
• M20: 11,588,001 km (0.108 R)
• M21: 13,461,714 km (0.113 R)
• M22: 13,654,097 km (0.032 R)
• M23: 14,564,400 km (0.093 R)
• M24: 14,960,535 km (0.101 R)
• M25: 15,093,378 km (0.091 R)
• M26: 15,293,390 km (0.116 R)
• M27: 15,561,320 km (0.09 R)
• M28: 15,830,895 km (0.102 R)
• M29: 16,034,049 km (0.116 R)
• M30: 16,443,050 km (0.09 R)
• M31: 16,786,377 km (0.08 R)
• M32: 17,340,787 km (0.108 R)
• M33: 17,480,212 km (0.03 R)
• M34: 19,981,638 km (0.069 R)
• M35: 20,938,915 km (0.119 R)
• M36: 21,385,764 km (0.099 R)
• M37: 24,521,933 km (0.108 R)
• M38: 24,757,101 km (0.04 R)
• M39: 24,835,491 km (0.044 R)
• M40: 25,545,931 km (0.106 R)
• M41: 26,183,068 km (0.092 R)
• M42: 27,067,491 km (0.084 R)
• M43: 27,472,751 km (0.1 R)
• M44: 27,554,133 km (0.072 R)
• M45: 29,113,840 km (0.072 R)
• M46: 29,279,744 km (0.058 R)
• M47: 29,362,771 km (0.048 R)
• M48: 30,533,673 km (0.067 R)
• M49: 30,617,897 km (0.091 R)
• M50: 31,209,557 km (0.039 R)
• M51: 31,719,685 km (0.059 R)
• M52: 32,834,339 km (0.041 R)
• M53: 33,179,910 km (0.104 R)
• M54: 33,874,792 km (0.101 R)
• M55: 35,278,619 km (0.11 R)
• M56: 35,455,443 km (0.093 R)
• M57: 36,790,904 km (0.028 R)
• M58: 37,239,697 km (0.098 R)
• M59: 37,329,755 km (0.091 R)
• M60: 38,324,282 km (0.103 R)
• M61: 38,779,209 km (0.084 R)
• M62: 40,524,418 km (0.081 R)
• M63: 42,859,192 km (0.084 R)
• M64: 43,805,398 km (0.093 R)
• M65: 44,185,825 km (0.106 R)
• M66: 44,949,822 km (0.088 R)
• M67: 45,141,457 km (0.033 R)
• M68: 48,049,340 km (0.094 R)
• M69: 49,031,899 km (0.103 R)
• M70: 49,525,721 km (0.054 R)
• M71: 49,723,789 km (0.066 R)
• M72: 50,717,568 km (0.04 R)
• M73: 51,417,237 km (0.082 R)
• M74: 51,918,839 km (0.109 R)
• M75: 52,927,128 km (0.099 R)
• M76: 53,535,094 km (0.031 R)
• M77: 53,839,974 km (0.095 R)
• M78: 54,145,453 km (0.093 R)
• M79: 55,167,805 km (0.066 R)
• M80: 55,990,294 km (0.054 R)
• M81: 56,920,344 km (0.104 R)
• M82: 59,530,677 km (0.074 R)
• M83: 60,374,260 km (0.118 R)
• M84: 61,327,946 km (0.069 R)
• M85: 62,607,158 km (0.031 R)
• M86: 63,035,606 km (0.098 R)
• M87: 63,787,634 km (0.068 R)
• M88: 65,192,059 km (0.089 R)
• M89: 65,300,518 km (0.114 R)
• M90: 65,843,708 km (0.096 R)
• M91: 67,263,092 km (0.113 R)
• M92: 68,913,306 km (0.081 R)
• M93: 69,134,262 km (0.095 R)
• M94: 70,465,384 km (0.059 R)
• M95: 70,688,135 km (0.113 R)
• M96: 71,134,236 km (0.111 R)
• M97: 71,693,134 km (0.062 R)
• M98: 72,253,378 km (0.102 R)
• M99: 73,040,263 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716

Radius: 3.6

Gravity: 55.25 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 13.51 AU - 17.23 AU

Year: 21277 Days

Day: 21.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 80,472,417 km

• M1: 192,532 km (0.044 R)
• M2: 307,274 km (0.059 R)
• M3: 943,963 km (0.082 R)
• M4: 1,598,603 km (0.047 R)
• M5: 1,967,960 km (0.12 R)
• M6: 2,781,174 km (0.059 R)
• M7: 3,181,348 km (0.09 R)
• M8: 3,814,596 km (0.038 R)
• M9: 4,123,067 km (0.059 R)
• M10: 4,393,989 km (0.06 R)
• M11: 4,485,543 km (0.113 R)
• M12: 4,905,314 km (0.044 R)
• M13: 5,632,509 km (0.119 R)
• M14: 6,033,881 km (0.107 R)
• M15: 6,653,216 km (0.07 R)
• M16: 7,023,770 km (0.113 R)
• M17: 7,346,602 km (0.087 R)
• M18: 8,800,843 km (0.12 R)
• M19: 8,916,332 km (0.104 R)
• M20: 9,148,658 km (0.105 R)
• M21: 9,738,522 km (0.116 R)
• M22: 10,158,593 km (0.115 R)
• M23: 11,016,537 km (0.103 R)
• M24: 12,346,163 km (0.119 R)
• M25: 12,931,390 km (0.069 R)
• M26: 13,592,163 km (0.081 R)
• M27: 14,128,621 km (0.088 R)
• M28: 14,399,543 km (0.117 R)
• M29: 14,467,460 km (0.076 R)
• M30: 14,740,477 km (0.114 R)
• M31: 15,639,261 km (0.042 R)
• M32: 17,634,747 km (0.044 R)
• M33: 19,108,286 km (0.027 R)
• M34: 20,620,870 km (0.091 R)
• M35: 21,391,448 km (0.069 R)
• M36: 21,469,090 km (0.103 R)
• M37: 25,301,039 km (0.085 R)
• M38: 25,629,706 km (0.104 R)
• M39: 25,712,134 km (0.063 R)
• M40: 26,042,596 km (0.113 R)
• M41: 26,208,350 km (0.107 R)
• M42: 26,374,404 km (0.051 R)
• M43: 26,624,232 km (0.065 R)
• M44: 26,791,333 km (0.06 R)
• M45: 27,547,102 km (0.07 R)
• M46: 27,631,475 km (0.077 R)
• M47: 28,224,630 km (0.066 R)
• M48: 28,565,564 km (0.114 R)
• M49: 29,337,489 km (0.083 R)
• M50: 30,464,709 km (0.12 R)
• M51: 30,901,983 km (0.092 R)
• M52: 32,048,501 km (0.108 R)
• M53: 32,493,256 km (0.069 R)
• M54: 32,582,416 km (0.096 R)
• M55: 33,749,280 km (0.064 R)
• M56: 36,123,547 km (0.089 R)
• M57: 36,586,254 km (0.074 R)
• M58: 39,975,393 km (0.097 R)
• M59: 40,070,986 km (0.057 R)
• M60: 40,454,107 km (0.032 R)
• M61: 42,679,824 km (0.093 R)
• M62: 42,777,511 km (0.079 R)
• M63: 44,647,485 km (0.099 R)
• M64: 48,568,295 km (0.066 R)
• M65: 48,874,522 km (0.089 R)
• M66: 49,694,019 km (0.054 R)
• M67: 50,002,490 km (0.093 R)
• M68: 51,658,389 km (0.05 R)
• M69: 51,970,899 km (0.109 R)
• M70: 52,493,145 km (0.108 R)
• M71: 53,122,054 km (0.116 R)
• M72: 56,733,048 km (0.116 R)
• M73: 59,656,489 km (0.095 R)
• M74: 60,312,775 km (0.118 R)
• M75: 60,641,741 km (0.084 R)
• M76: 62,295,845 km (0.117 R)
• M77: 63,853,009 km (0.107 R)
• M78: 64,188,258 km (0.116 R)
• M79: 64,748,502 km (0.09 R)
• M80: 65,422,889 km (0.044 R)
• M81: 65,986,723 km (0.106 R)
• M82: 66,099,670 km (0.108 R)
• M83: 66,325,712 km (0.119 R)
• M84: 68,829,532 km (0.101 R)
• M85: 71,712,133 km (0.098 R)
• M86: 72,876,304 km (0.084 R)
• M87: 73,694,753 km (0.071 R)
• M88: 74,281,327 km (0.049 R)
• M89: 74,516,345 km (0.078 R)
• M90: 75,223,045 km (0.098 R)
• M91: 76,642,879 km (0.109 R)
• M92: 78,430,274 km (0.094 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 14,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit