🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.11 AU - 1.17 AU

Year: 464 Days

Day: 34.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.59 AU - 1.87 AU

Year: 866 Days

Day: 42.5 Hours

Environment

Temp: -72 °C

Axial Tilt: 66.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,362,485 km

• M1: 824,733 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.3

Radius: 11.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.86 AU - 4.5 AU

Year: 3254 Days

Day: 11.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,362,485 km

• M1: 145,559 km (0.118 R)
• M2: 243,545 km (0.05 R)
• M3: 348,563 km (0.08 R)
• M4: 432,637 km (0.075 R)
• M5: 573,558 km (0.058 R)
• M6: 817,104 km (0.07 R)
• M7: 982,110 km (0.064 R)
• M8: 1,158,636 km (0.114 R)
• M9: 1,308,981 km (0.115 R)
• M10: 1,576,612 km (0.094 R)
• M11: 1,855,163 km (0.045 R)
• M12: 2,040,216 km (0.053 R)
• M13: 2,246,362 km (0.078 R)
• M14: 2,467,318 km (0.074 R)
• M15: 2,553,037 km (0.059 R)
• M16: 2,840,564 km (0.087 R)
• M17: 2,922,394 km (0.093 R)
• M18: 3,080,071 km (0.077 R)
• M19: 3,231,912 km (0.049 R)
• M20: 3,386,447 km (0.083 R)
• M21: 3,543,525 km (0.109 R)
• M22: 3,747,726 km (0.029 R)
• M23: 3,892,088 km (0.097 R)
• M24: 4,139,971 km (0.056 R)
• M25: 4,364,667 km (0.1 R)
• M26: 4,738,513 km (0.119 R)
• M27: 4,904,716 km (0.092 R)
• M28: 5,323,739 km (0.104 R)
• M29: 5,425,167 km (0.119 R)
• M30: 5,599,149 km (0.088 R)
• M31: 5,733,488 km (0.113 R)
• M32: 6,100,601 km (0.07 R)
• M33: 6,228,208 km (0.119 R)
• M34: 6,453,802 km (0.043 R)
• M35: 6,627,485 km (0.087 R)
• M36: 7,281,228 km (0.098 R)
• M37: 7,416,763 km (0.097 R)
• M38: 7,655,821 km (0.049 R)
• M39: 7,759,193 km (0.097 R)
• M40: 7,839,826 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.9

Radius: 10.9

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.23 AU - 5.19 AU

Year: 3892 Days

Day: 9 Hours

Environment

Temp: -135 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 60,362,485 km

• M1: 139,874 km (0.112 R)
• M2: 226,042 km (0.073 R)
• M3: 305,329 km (0.043 R)
• M4: 470,037 km (0.113 R)
• M5: 668,104 km (0.041 R)
• M6: 894,745 km (0.055 R)
• M7: 1,068,578 km (0.113 R)
• M8: 1,146,668 km (0.094 R)
• M9: 1,254,079 km (0.091 R)
• M10: 1,421,629 km (0.08 R)
• M11: 1,537,717 km (0.056 R)
• M12: 1,626,877 km (0.084 R)
• M13: 1,763,908 km (0.09 R)
• M14: 2,001,320 km (0.07 R)
• M15: 2,198,790 km (0.067 R)
• M16: 2,283,013 km (0.076 R)
• M17: 2,542,266 km (0.089 R)
• M18: 2,995,548 km (0.084 R)
• M19: 3,108,195 km (0.094 R)
• M20: 3,396,171 km (0.034 R)
• M21: 3,956,714 km (0.106 R)
• M22: 4,059,787 km (0.071 R)
• M23: 4,163,907 km (0.1 R)
• M24: 4,481,653 km (0.085 R)
• M25: 4,654,289 km (0.106 R)
• M26: 4,917,432 km (0.11 R)
• M27: 5,028,583 km (0.11 R)
• M28: 5,412,601 km (0.077 R)
• M29: 5,504,454 km (0.075 R)
• M30: 6,042,258 km (0.117 R)
• M31: 6,185,423 km (0.088 R)
• M32: 6,548,048 km (0.106 R)
• M33: 6,670,419 km (0.112 R)
• M34: 8,067,215 km (0.119 R)
• M35: 8,330,806 km (0.063 R)
• M36: 8,543,534 km (0.047 R)
• M37: 8,812,212 km (0.087 R)
• M38: 9,029,129 km (0.042 R)
• M39: 9,138,186 km (0.109 R)
• M40: 9,330,270 km (0.065 R)
• M41: 9,774,276 km (0.11 R)
• M42: 10,225,164 km (0.107 R)
• M43: 10,769,401 km (0.091 R)
• M44: 10,885,190 km (0.091 R)
• M45: 11,529,508 km (0.07 R)
• M46: 11,707,380 km (0.118 R)
• M47: 12,367,406 km (0.11 R)
• M48: 12,977,914 km (0.093 R)
• M49: 13,411,150 km (0.054 R)
• M50: 14,164,824 km (0.075 R)
• M51: 14,835,621 km (0.085 R)
• M52: 15,158,603 km (0.115 R)
• M53: 15,910,482 km (0.102 R)
• M54: 16,075,638 km (0.047 R)
• M55: 16,540,887 km (0.114 R)
• M56: 16,976,815 km (0.111 R)
• M57: 17,348,715 km (0.117 R)
• M58: 17,620,834 km (0.094 R)
• M59: 17,997,372 km (0.046 R)
• M60: 18,238,224 km (0.071 R)
• M61: 18,758,227 km (0.116 R)
• M62: 20,097,427 km (0.11 R)
• M63: 20,490,869 km (0.105 R)
• M64: 20,670,387 km (0.109 R)
• M65: 21,031,366 km (0.069 R)
• M66: 21,467,145 km (0.114 R)
• M67: 21,576,650 km (0.053 R)
• M68: 22,532,730 km (0.107 R)
• M69: 22,606,781 km (0.098 R)
• M70: 22,941,432 km (0.071 R)
• M71: 23,277,578 km (0.093 R)
• M72: 24,676,917 km (0.105 R)
• M73: 25,560,442 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.2

Radius: 14.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.57 AU - 8.21 AU

Year: 6887 Days

Day: 8.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 60,362,485 km

• M1: 220,507 km (0.116 R)
• M2: 400,324 km (0.056 R)
• M3: 630,705 km (0.092 R)
• M4: 867,069 km (0.098 R)
• M5: 1,103,135 km (0.076 R)
• M6: 1,197,381 km (0.114 R)
• M7: 1,621,641 km (0.09 R)
• M8: 1,767,349 km (0.083 R)
• M9: 2,191,459 km (0.11 R)
• M10: 2,436,501 km (0.051 R)
• M11: 2,626,340 km (0.12 R)
• M12: 3,021,129 km (0.096 R)
• M13: 3,111,337 km (0.098 R)
• M14: 3,294,893 km (0.092 R)
• M15: 3,434,917 km (0.115 R)
• M16: 3,940,707 km (0.111 R)
• M17: 4,291,365 km (0.079 R)
• M18: 4,470,433 km (0.111 R)
• M19: 4,573,955 km (0.106 R)
• M20: 4,915,936 km (0.089 R)
• M21: 5,103,531 km (0.111 R)
• M22: 5,320,897 km (0.119 R)
• M23: 5,541,404 km (0.119 R)
• M24: 6,020,118 km (0.069 R)
• M25: 6,837,670 km (0.077 R)
• M26: 7,138,212 km (0.097 R)
• M27: 7,351,239 km (0.116 R)
• M28: 7,690,228 km (0.118 R)
• M29: 8,415,628 km (0.112 R)
• M30: 8,640,773 km (0.098 R)
• M31: 9,130,108 km (0.039 R)
• M32: 10,547,697 km (0.046 R)
• M33: 11,211,612 km (0.044 R)
• M34: 11,459,496 km (0.11 R)
• M35: 11,637,817 km (0.113 R)
• M36: 13,022,644 km (0.084 R)
• M37: 13,772,429 km (0.094 R)
• M38: 14,229,001 km (0.101 R)
• M39: 14,343,893 km (0.111 R)
• M40: 15,274,541 km (0.104 R)
• M41: 16,384,856 km (0.05 R)
• M42: 17,153,191 km (0.1 R)
• M43: 17,316,402 km (0.1 R)
• M44: 17,933,194 km (0.106 R)
• M45: 18,515,429 km (0.106 R)
• M46: 18,808,791 km (0.111 R)
• M47: 19,783,870 km (0.116 R)
• M48: 21,123,967 km (0.111 R)
• M49: 21,694,683 km (0.106 R)
• M50: 22,137,044 km (0.119 R)
• M51: 22,270,485 km (0.118 R)
• M52: 22,537,817 km (0.084 R)
• M53: 22,761,615 km (0.114 R)
• M54: 23,211,157 km (0.117 R)
• M55: 23,618,362 km (0.067 R)
• M56: 23,891,079 km (0.068 R)
• M57: 24,854,041 km (0.075 R)
• M58: 24,992,718 km (0.109 R)
• M59: 25,876,392 km (0.037 R)
• M60: 27,292,785 km (0.093 R)
• M61: 27,818,322 km (0.116 R)
• M62: 28,347,301 km (0.095 R)
• M63: 29,171,286 km (0.092 R)
• M64: 29,708,791 km (0.072 R)
• M65: 30,397,539 km (0.091 R)
• M66: 30,843,042 km (0.094 R)
• M67: 31,640,398 km (0.096 R)
• M68: 31,740,629 km (0.103 R)
• M69: 31,941,240 km (0.047 R)
• M70: 32,293,244 km (0.1 R)
• M71: 32,899,863 km (0.08 R)
• M72: 33,204,594 km (0.051 R)
• M73: 33,714,573 km (0.081 R)
• M74: 34,124,471 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.6

Radius: 13.8

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.69 AU - 7.29 AU

Year: 7037 Days

Day: 9.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 60,362,485 km

• M1: 183,706 km (0.093 R)
• M2: 342,280 km (0.101 R)
• M3: 750,233 km (0.09 R)
• M4: 958,773 km (0.119 R)
• M5: 1,109,268 km (0.068 R)
• M6: 1,281,904 km (0.103 R)
• M7: 1,407,118 km (0.071 R)
• M8: 1,700,479 km (0.08 R)
• M9: 1,808,040 km (0.032 R)
• M10: 1,998,029 km (0.086 R)
• M11: 2,128,479 km (0.081 R)
• M12: 2,245,015 km (0.1 R)
• M13: 2,915,513 km (0.06 R)
• M14: 3,008,264 km (0.034 R)
• M15: 3,177,908 km (0.116 R)
• M16: 3,507,172 km (0.102 R)
• M17: 3,705,988 km (0.084 R)
• M18: 3,929,188 km (0.034 R)
• M19: 4,219,857 km (0.05 R)
• M20: 4,346,566 km (0.082 R)
• M21: 4,517,556 km (0.117 R)
• M22: 4,954,831 km (0.094 R)
• M23: 5,088,721 km (0.105 R)
• M24: 5,405,869 km (0.066 R)
• M25: 6,012,189 km (0.071 R)
• M26: 6,323,502 km (0.114 R)
• M27: 6,714,102 km (0.088 R)
• M28: 7,062,216 km (0.069 R)
• M29: 7,188,028 km (0.068 R)
• M30: 7,390,883 km (0.066 R)
• M31: 8,037,295 km (0.082 R)
• M32: 8,274,408 km (0.076 R)
• M33: 9,661,629 km (0.049 R)
• M34: 9,829,627 km (0.119 R)
• M35: 10,339,457 km (0.116 R)
• M36: 10,857,813 km (0.116 R)
• M37: 11,621,660 km (0.118 R)
• M38: 12,010,016 km (0.104 R)
• M39: 12,342,124 km (0.116 R)
• M40: 12,555,001 km (0.08 R)
• M41: 13,606,375 km (0.107 R)
• M42: 13,700,472 km (0.072 R)
• M43: 13,920,979 km (0.074 R)
• M44: 14,429,463 km (0.1 R)
• M45: 14,685,873 km (0.071 R)
• M46: 16,057,387 km (0.117 R)
• M47: 16,156,869 km (0.109 R)
• M48: 16,256,651 km (0.117 R)
• M49: 16,994,318 km (0.034 R)
• M50: 17,129,555 km (0.094 R)
• M51: 18,086,682 km (0.034 R)
• M52: 18,571,828 km (0.108 R)
• M53: 18,850,977 km (0.107 R)
• M54: 19,413,465 km (0.119 R)
• M55: 20,916,176 km (0.078 R)
• M56: 21,938,677 km (0.095 R)
• M57: 22,270,785 km (0.105 R)
• M58: 23,089,683 km (0.083 R)
• M59: 23,277,129 km (0.094 R)
• M60: 24,108,146 km (0.113 R)
• M61: 24,336,432 km (0.039 R)
• M62: 24,910,439 km (0.051 R)
• M63: 25,334,250 km (0.088 R)
• M64: 25,605,172 km (0.099 R)
• M65: 26,071,767 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.9

Radius: 13.7

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.14 AU - 10.92 AU

Year: 11203 Days

Day: 5.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 60,362,485 km

• M1: 197,020 km (0.046 R)
• M2: 455,376 km (0.037 R)
• M3: 678,726 km (0.115 R)
• M4: 1,048,681 km (0.091 R)
• M5: 1,543,850 km (0.12 R)
• M6: 1,629,570 km (0.083 R)
• M7: 1,806,394 km (0.114 R)
• M8: 1,897,200 km (0.108 R)
• M9: 2,375,465 km (0.095 R)
• M10: 2,785,064 km (0.095 R)
• M11: 2,917,757 km (0.084 R)
• M12: 3,162,200 km (0.106 R)
• M13: 4,206,094 km (0.034 R)
• M14: 4,639,479 km (0.116 R)
• M15: 4,734,174 km (0.08 R)
• M16: 5,087,225 km (0.064 R)
• M17: 5,382,531 km (0.098 R)
• M18: 7,050,996 km (0.08 R)
• M19: 7,196,854 km (0.074 R)
• M20: 7,979,102 km (0.089 R)
• M21: 8,749,381 km (0.097 R)
• M22: 8,866,965 km (0.101 R)
• M23: 9,302,744 km (0.103 R)
• M24: 9,503,205 km (0.081 R)
• M25: 10,113,115 km (0.043 R)
• M26: 10,443,577 km (0.096 R)
• M27: 10,568,491 km (0.112 R)
• M28: 11,200,243 km (0.101 R)
• M29: 11,801,028 km (0.099 R)
• M30: 13,484,154 km (0.116 R)
• M31: 13,893,902 km (0.062 R)
• M32: 14,169,162 km (0.117 R)
• M33: 14,772,191 km (0.117 R)
• M34: 15,006,312 km (0.076 R)
• M35: 15,573,138 km (0.08 R)
• M36: 16,195,316 km (0.105 R)
• M37: 16,533,706 km (0.07 R)
• M38: 16,923,259 km (0.047 R)
• M39: 18,916,501 km (0.081 R)
• M40: 19,785,814 km (0.105 R)
• M41: 19,992,409 km (0.074 R)
• M42: 20,199,602 km (0.082 R)
• M43: 20,511,663 km (0.115 R)
• M44: 20,773,011 km (0.099 R)
• M45: 21,989,391 km (0.074 R)
• M46: 22,741,120 km (0.072 R)
• M47: 23,065,897 km (0.054 R)
• M48: 23,829,744 km (0.105 R)
• M49: 23,939,399 km (0.062 R)
• M50: 24,214,659 km (0.115 R)
• M51: 25,270,072 km (0.093 R)
• M52: 26,113,804 km (0.097 R)
• M53: 27,024,107 km (0.073 R)
• M54: 28,350,741 km (0.109 R)
• M55: 28,875,680 km (0.084 R)
• M56: 28,992,815 km (0.025 R)
• M57: 29,227,385 km (0.081 R)
• M58: 29,816,800 km (0.067 R)
• M59: 31,247,255 km (0.1 R)
• M60: 31,668,672 km (0.059 R)
• M61: 33,312,005 km (0.1 R)
• M62: 33,557,794 km (0.119 R)
• M63: 35,796,975 km (0.112 R)
• M64: 35,922,787 km (0.119 R)
• M65: 36,174,860 km (0.032 R)
• M66: 36,301,120 km (0.088 R)
• M67: 36,427,530 km (0.075 R)
• M68: 36,934,517 km (0.108 R)
• M69: 37,635,683 km (0.093 R)
• M70: 38,792,373 km (0.047 R)
• M71: 39,180,430 km (0.053 R)
• M72: 39,504,908 km (0.059 R)
• M73: 41,074,639 km (0.096 R)
• M74: 41,338,380 km (0.075 R)
• M75: 41,933,480 km (0.114 R)
• M76: 43,870,623 km (0.117 R)
• M77: 44,207,517 km (0.101 R)
• M78: 45,155,519 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.3

Radius: 14.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 8.4 AU - 13.98 AU

Year: 14254 Days

Day: 8 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 60,362,485 km

• M1: 185,950 km (0.1 R)
• M2: 612,304 km (0.096 R)
• M3: 720,613 km (0.112 R)
• M4: 1,068,428 km (0.062 R)
• M5: 1,863,391 km (0.104 R)
• M6: 1,974,094 km (0.077 R)
• M7: 2,592,382 km (0.107 R)
• M8: 2,716,997 km (0.12 R)
• M9: 3,169,081 km (0.068 R)
• M10: 3,370,290 km (0.063 R)
• M11: 3,680,108 km (0.11 R)
• M12: 4,327,866 km (0.116 R)
• M13: 4,476,716 km (0.071 R)
• M14: 5,011,379 km (0.089 R)
• M15: 5,207,352 km (0.1 R)
• M16: 5,486,053 km (0.112 R)
• M17: 5,606,928 km (0.11 R)
• M18: 6,521,270 km (0.12 R)
• M19: 7,127,291 km (0.101 R)
• M20: 7,933,175 km (0.096 R)
• M21: 8,533,212 km (0.092 R)
• M22: 10,171,458 km (0.1 R)
• M23: 10,823,256 km (0.091 R)
• M24: 11,128,586 km (0.119 R)
• M25: 11,333,834 km (0.07 R)
• M26: 11,592,189 km (0.119 R)
• M27: 11,904,699 km (0.102 R)
• M28: 13,727,998 km (0.102 R)
• M29: 14,003,408 km (0.047 R)
• M30: 14,559,912 km (0.069 R)
• M31: 15,237,142 km (0.097 R)
• M32: 17,449,395 km (0.117 R)
• M33: 17,628,314 km (0.075 R)
• M34: 17,747,843 km (0.095 R)
• M35: 18,350,124 km (0.119 R)
• M36: 18,775,580 km (0.116 R)
• M37: 19,389,081 km (0.053 R)
• M38: 19,698,449 km (0.047 R)
• M39: 22,360,244 km (0.107 R)
• M40: 23,666,982 km (0.084 R)
• M41: 23,931,321 km (0.028 R)
• M42: 25,605,620 km (0.049 R)
• M43: 27,456,146 km (0.054 R)
• M44: 27,733,949 km (0.073 R)
• M45: 28,222,386 km (0.044 R)
• M46: 29,066,268 km (0.069 R)
• M47: 29,349,457 km (0.115 R)
• M48: 29,633,543 km (0.098 R)
• M49: 30,061,393 km (0.08 R)
• M50: 32,597,675 km (0.098 R)
• M51: 34,301,445 km (0.043 R)
• M52: 34,600,791 km (0.099 R)
• M53: 35,051,379 km (0.031 R)
• M54: 35,503,763 km (0.07 R)
• M55: 36,186,229 km (0.067 R)
• M56: 37,409,940 km (0.099 R)
• M57: 37,949,689 km (0.044 R)
• M58: 39,114,906 km (0.095 R)
• M59: 39,741,123 km (0.057 R)
• M60: 39,898,201 km (0.102 R)
• M61: 40,370,631 km (0.099 R)
• M62: 40,528,457 km (0.066 R)
• M63: 42,439,420 km (0.105 R)
• M64: 44,542,467 km (0.115 R)
• M65: 45,853,543 km (0.061 R)
• M66: 46,018,250 km (0.078 R)
• M67: 46,679,323 km (0.104 R)
• M68: 47,177,185 km (0.117 R)
• M69: 48,429,618 km (0.109 R)
• M70: 48,933,613 km (0.093 R)
• M71: 50,201,305 km (0.06 R)
• M72: 50,881,677 km (0.089 R)
• M73: 52,079,956 km (0.09 R)
• M74: 52,941,490 km (0.055 R)
• M75: 53,114,425 km (0.07 R)
• M76: 54,853,500 km (0.098 R)
• M77: 55,554,516 km (0.091 R)
• M78: 57,230,909 km (0.039 R)
• M79: 57,497,194 km (0.061 R)
• M80: 58,387,600 km (0.099 R)
• M81: 59,103,127 km (0.118 R)
• M82: 60,091,819 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 18,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit