🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.3

Radius: 10.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.62 AU - 0.76 AU

Year: 364 Days

Day: 7 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 37,273,306 km

• M1: 136,134 km (0.047 R)
• M2: 214,972 km (0.079 R)
• M3: 293,810 km (0.106 R)
• M4: 375,491 km (0.108 R)
• M5: 465,249 km (0.048 R)
• M6: 594,352 km (0.094 R)
• M7: 712,684 km (0.117 R)
• M8: 782,846 km (0.116 R)
• M9: 875,297 km (0.081 R)
• M10: 971,489 km (0.108 R)
• M11: 1,089,372 km (0.098 R)
• M12: 1,201,271 km (0.082 R)
• M13: 1,275,621 km (0.103 R)
• M14: 1,409,661 km (0.099 R)
• M15: 1,488,499 km (0.072 R)
• M16: 1,556,715 km (0.052 R)
• M17: 1,625,979 km (0.067 R)
• M18: 1,729,950 km (0.032 R)
• M19: 1,801,906 km (0.116 R)
• M20: 1,887,925 km (0.117 R)
• M21: 2,024,059 km (0.051 R)
• M22: 2,223,024 km (0.087 R)
• M23: 2,301,713 km (0.097 R)
• M24: 2,567,548 km (0.112 R)
• M25: 2,640,552 km (0.066 R)
• M26: 2,768,608 km (0.051 R)
• M27: 3,077,378 km (0.099 R)
• M28: 3,155,019 km (0.036 R)
• M29: 3,291,303 km (0.111 R)
• M30: 3,376,125 km (0.103 R)
• M31: 3,450,924 km (0.086 R)
• M32: 3,520,935 km (0.115 R)
• M33: 3,629,544 km (0.108 R)
• M34: 3,739,199 km (0.096 R)
• M35: 3,811,155 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.2

Radius: 12.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.42 AU - 1.52 AU

Year: 1133 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 37,273,306 km

• M1: 155,283 km (0.107 R)
• M2: 242,349 km (0.072 R)
• M3: 333,603 km (0.119 R)
• M4: 418,575 km (0.113 R)
• M5: 571,015 km (0.117 R)
• M6: 649,255 km (0.097 R)
• M7: 764,744 km (0.117 R)
• M8: 966,851 km (0.053 R)
• M9: 1,078,900 km (0.104 R)
• M10: 1,275,771 km (0.108 R)
• M11: 1,519,466 km (0.029 R)
• M12: 1,651,710 km (0.114 R)
• M13: 2,110,976 km (0.069 R)
• M14: 2,199,687 km (0.109 R)
• M15: 2,279,722 km (0.099 R)
• M16: 2,381,000 km (0.066 R)
• M17: 2,801,819 km (0.063 R)
• M18: 3,212,165 km (0.08 R)
• M19: 3,292,051 km (0.063 R)
• M20: 3,407,241 km (0.11 R)
• M21: 3,606,206 km (0.1 R)
• M22: 3,918,118 km (0.033 R)
• M23: 4,003,538 km (0.058 R)
• M24: 4,126,807 km (0.045 R)
• M25: 4,276,405 km (0.12 R)
• M26: 4,632,597 km (0.063 R)
• M27: 4,736,119 km (0.075 R)
• M28: 4,932,391 km (0.107 R)
• M29: 5,441,623 km (0.069 R)
• M30: 5,564,742 km (0.118 R)
• M31: 5,716,583 km (0.062 R)
• M32: 5,799,909 km (0.106 R)
• M33: 5,939,783 km (0.058 R)
• M34: 6,123,340 km (0.074 R)
• M35: 6,337,415 km (0.101 R)
• M36: 6,438,094 km (0.116 R)
• M37: 6,641,248 km (0.092 R)
• M38: 6,802,514 km (0.103 R)
• M39: 7,024,218 km (0.032 R)
• M40: 7,128,638 km (0.114 R)
• M41: 7,566,511 km (0.117 R)
• M42: 7,997,652 km (0.068 R)
• M43: 8,294,753 km (0.056 R)
• M44: 8,405,156 km (0.086 R)
• M45: 8,563,730 km (0.101 R)
• M46: 8,643,466 km (0.096 R)
• M47: 8,948,346 km (0.104 R)
• M48: 9,045,435 km (0.099 R)
• M49: 9,519,511 km (0.05 R)
• M50: 9,668,361 km (0.11 R)
• M51: 9,901,285 km (0.092 R)
• M52: 10,035,324 km (0.096 R)
• M53: 10,136,153 km (0.067 R)
• M54: 10,237,431 km (0.101 R)
• M55: 10,611,426 km (0.034 R)
• M56: 10,714,199 km (0.113 R)
• M57: 10,800,218 km (0.035 R)
• M58: 11,059,322 km (0.119 R)
• M59: 11,163,592 km (0.098 R)
• M60: 11,250,657 km (0.095 R)
• M61: 11,355,526 km (0.074 R)
• M62: 11,583,812 km (0.112 R)
• M63: 11,795,942 km (0.066 R)
• M64: 11,920,258 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.3

Radius: 10.5

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.44 AU - 1.82 AU

Year: 1323 Days

Day: 5.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 37,273,306 km

• M1: 176,077 km (0.108 R)
• M2: 255,064 km (0.09 R)
• M3: 372,050 km (0.111 R)
• M4: 500,405 km (0.089 R)
• M5: 574,157 km (0.045 R)
• M6: 686,205 km (0.113 R)
• M7: 755,918 km (0.099 R)
• M8: 888,013 km (0.119 R)
• M9: 1,093,261 km (0.103 R)
• M10: 1,236,127 km (0.058 R)
• M11: 1,376,300 km (0.063 R)
• M12: 1,711,699 km (0.101 R)
• M13: 1,939,536 km (0.115 R)
• M14: 2,219,584 km (0.074 R)
• M15: 2,370,079 km (0.102 R)
• M16: 2,591,035 km (0.075 R)
• M17: 2,784,166 km (0.11 R)
• M18: 2,853,430 km (0.091 R)
• M19: 2,970,266 km (0.104 R)
• M20: 3,041,175 km (0.115 R)
• M21: 3,112,683 km (0.111 R)
• M22: 3,269,461 km (0.041 R)
• M23: 3,416,666 km (0.09 R)
• M24: 3,503,433 km (0.116 R)
• M25: 3,616,229 km (0.05 R)
• M26: 3,692,075 km (0.049 R)
• M27: 3,961,950 km (0.106 R)
• M28: 4,053,205 km (0.115 R)
• M29: 4,145,357 km (0.12 R)
• M30: 4,224,793 km (0.097 R)
• M31: 4,466,394 km (0.094 R)
• M32: 4,684,957 km (0.093 R)
• M33: 5,376,248 km (0.065 R)
• M34: 5,506,847 km (0.081 R)
• M35: 5,697,136 km (0.08 R)
• M36: 5,800,508 km (0.044 R)
• M37: 5,979,277 km (0.089 R)
• M38: 6,099,404 km (0.114 R)
• M39: 6,250,797 km (0.117 R)
• M40: 6,495,540 km (0.065 R)
• M41: 6,947,325 km (0.102 R)
• M42: 7,057,878 km (0.028 R)
• M43: 7,201,043 km (0.106 R)
• M44: 7,328,949 km (0.118 R)
• M45: 7,652,230 km (0.099 R)
• M46: 7,766,523 km (0.065 R)
• M47: 7,914,176 km (0.057 R)
• M48: 8,179,114 km (0.042 R)
• M49: 8,295,950 km (0.072 R)
• M50: 8,649,898 km (0.1 R)
• M51: 8,786,033 km (0.025 R)
• M52: 9,164,066 km (0.101 R)
• M53: 9,268,037 km (0.088 R)
• M54: 9,337,600 km (0.115 R)
• M55: 9,564,989 km (0.071 R)
• M56: 9,865,082 km (0.097 R)
• M57: 10,025,152 km (0.045 R)
• M58: 10,168,167 km (0.119 R)
• M59: 10,893,717 km (0.12 R)
• M60: 11,504,675 km (0.034 R)
• M61: 12,146,001 km (0.112 R)
• M62: 12,336,738 km (0.117 R)
• M63: 12,413,332 km (0.086 R)
• M64: 12,490,076 km (0.096 R)
• M65: 13,051,517 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.7

Radius: 9.4

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.41 AU - 3.85 AU

Year: 4397 Days

Day: 8.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 37,273,306 km

• M1: 126,410 km (0.09 R)
• M2: 397,781 km (0.092 R)
• M3: 862,133 km (0.049 R)
• M4: 1,297,163 km (0.035 R)
• M5: 1,530,835 km (0.075 R)
• M6: 2,005,210 km (0.097 R)
• M7: 2,156,304 km (0.073 R)
• M8: 2,346,143 km (0.114 R)
• M9: 2,416,454 km (0.112 R)
• M10: 2,779,229 km (0.105 R)
• M11: 2,891,428 km (0.08 R)
• M12: 3,276,493 km (0.091 R)
• M13: 3,335,584 km (0.032 R)
• M14: 3,495,205 km (0.119 R)
• M15: 3,575,988 km (0.08 R)
• M16: 3,677,714 km (0.097 R)
• M17: 3,842,721 km (0.081 R)
• M18: 4,052,457 km (0.045 R)
• M19: 4,352,400 km (0.045 R)
• M20: 4,973,680 km (0.056 R)
• M21: 5,087,674 km (0.1 R)
• M22: 5,387,917 km (0.096 R)
• M23: 5,741,566 km (0.115 R)
• M24: 6,029,991 km (0.091 R)
• M25: 6,421,937 km (0.099 R)
• M26: 6,646,185 km (0.112 R)
• M27: 6,746,565 km (0.116 R)
• M28: 6,847,543 km (0.088 R)
• M29: 6,923,539 km (0.103 R)
• M30: 7,282,275 km (0.108 R)
• M31: 7,725,832 km (0.063 R)
• M32: 8,017,698 km (0.106 R)
• M33: 8,367,159 km (0.076 R)
• M34: 8,914,687 km (0.079 R)
• M35: 9,136,989 km (0.071 R)
• M36: 9,530,282 km (0.098 R)
• M37: 9,757,521 km (0.081 R)
• M38: 9,957,982 km (0.034 R)
• M39: 10,130,768 km (0.119 R)
• M40: 10,420,988 km (0.115 R)
• M41: 10,861,553 km (0.087 R)
• M42: 11,338,172 km (0.12 R)
• M43: 11,548,806 km (0.074 R)
• M44: 11,791,155 km (0.116 R)
• M45: 12,839,985 km (0.032 R)
• M46: 13,438,975 km (0.1 R)
• M47: 14,370,820 km (0.11 R)
• M48: 14,468,358 km (0.085 R)
• M49: 14,533,583 km (0.066 R)
• M50: 14,893,814 km (0.055 R)
• M51: 14,992,699 km (0.085 R)
• M52: 15,124,644 km (0.077 R)
• M53: 15,723,634 km (0.104 R)
• M54: 15,958,652 km (0.105 R)
• M55: 16,093,440 km (0.094 R)
• M56: 16,841,728 km (0.072 R)
• M57: 17,323,882 km (0.111 R)
• M58: 17,531,823 km (0.068 R)
• M59: 17,985,404 km (0.081 R)
• M60: 19,225,570 km (0.109 R)
• M61: 19,404,938 km (0.08 R)
• M62: 19,549,001 km (0.088 R)
• M63: 20,786,774 km (0.084 R)
• M64: 21,229,583 km (0.091 R)
• M65: 21,787,733 km (0.038 R)
• M66: 22,275,273 km (0.063 R)
• M67: 22,804,251 km (0.089 R)
• M68: 23,605,646 km (0.096 R)
• M69: 23,951,965 km (0.101 R)
• M70: 25,079,036 km (0.058 R)
• M71: 25,235,964 km (0.072 R)
• M72: 26,582,046 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.1

Radius: 12.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.32 AU - 6.36 AU

Year: 8973 Days

Day: 11.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 37,273,306 km

• M1: 164,109 km (0.116 R)
• M2: 304,581 km (0.118 R)
• M3: 492,327 km (0.098 R)
• M4: 856,149 km (0.05 R)
• M5: 1,162,824 km (0.041 R)
• M6: 1,380,040 km (0.086 R)
• M7: 1,993,392 km (0.12 R)
• M8: 2,379,354 km (0.115 R)
• M9: 3,083,811 km (0.032 R)
• M10: 3,221,291 km (0.092 R)
• M11: 3,332,741 km (0.118 R)
• M12: 4,424,058 km (0.107 R)
• M13: 5,517,469 km (0.119 R)
• M14: 6,726,668 km (0.084 R)
• M15: 7,014,495 km (0.112 R)
• M16: 7,527,765 km (0.096 R)
• M17: 7,864,210 km (0.112 R)
• M18: 8,435,824 km (0.029 R)
• M19: 9,619,442 km (0.084 R)
• M20: 9,781,158 km (0.108 R)
• M21: 9,984,760 km (0.104 R)
• M22: 11,576,631 km (0.092 R)
• M23: 12,139,269 km (0.077 R)
• M24: 13,607,422 km (0.115 R)
• M25: 14,477,932 km (0.07 R)
• M26: 14,849,982 km (0.089 R)
• M27: 15,037,129 km (0.07 R)
• M28: 15,603,357 km (0.066 R)
• M29: 17,147,357 km (0.078 R)
• M30: 17,294,561 km (0.056 R)
• M31: 18,437,489 km (0.119 R)
• M32: 19,348,839 km (0.098 R)
• M33: 19,553,339 km (0.062 R)
• M34: 21,005,187 km (0.104 R)
• M35: 21,585,028 km (0.047 R)
• M36: 21,690,943 km (0.086 R)
• M37: 22,116,699 km (0.118 R)
• M38: 22,223,512 km (0.099 R)
• M39: 22,437,736 km (0.103 R)
• M40: 23,355,968 km (0.088 R)
• M41: 23,464,875 km (0.111 R)
• M42: 26,636,798 km (0.111 R)
• M43: 26,750,493 km (0.032 R)
• M44: 26,978,480 km (0.045 R)
• M45: 28,417,761 km (0.113 R)
• M46: 28,708,579 km (0.043 R)
• M47: 29,822,934 km (0.077 R)
• M48: 30,059,299 km (0.077 R)
• M49: 30,593,363 km (0.118 R)
• M50: 31,490,651 km (0.074 R)
• M51: 31,671,066 km (0.105 R)
• M52: 31,791,642 km (0.103 R)
• M53: 31,972,655 km (0.098 R)
• M54: 32,214,555 km (0.075 R)
• M55: 32,396,466 km (0.089 R)
• M56: 32,761,186 km (0.078 R)
• M57: 33,005,180 km (0.074 R)
• M58: 33,249,623 km (0.106 R)
• M59: 33,372,143 km (0.04 R)
• M60: 33,494,814 km (0.066 R)
• M61: 33,925,207 km (0.054 R)
• M62: 34,667,362 km (0.025 R)
• M63: 35,102,841 km (0.116 R)
• M64: 35,477,434 km (0.101 R)
• M65: 36,041,867 km (0.104 R)
• M66: 36,293,640 km (0.062 R)
• M67: 36,862,411 km (0.082 R)
• M68: 36,989,270 km (0.082 R)
• M69: 37,370,446 km (0.074 R)
• M70: 37,625,360 km (0.058 R)
• M71: 38,008,780 km (0.074 R)
• M72: 38,329,368 km (0.073 R)
• M73: 39,880,249 km (0.075 R)
• M74: 40,401,747 km (0.053 R)
• M75: 40,728,918 km (0.114 R)
• M76: 41,122,510 km (0.067 R)
• M77: 41,913,733 km (0.069 R)
• M78: 43,511,139 km (0.114 R)
• M79: 43,645,179 km (0.105 R)
• M80: 44,925,138 km (0.088 R)
• M81: 45,060,524 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.4

Radius: 5.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.32 AU - 6.92 AU

Year: 10830 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 37,273,306 km

• M1: 176,376 km (0.106 R)
• M2: 237,113 km (0.066 R)
• M3: 373,845 km (0.044 R)
• M4: 505,192 km (0.099 R)
• M5: 597,494 km (0.085 R)
• M6: 810,820 km (0.097 R)
• M7: 944,860 km (0.102 R)
• M8: 1,193,342 km (0.106 R)
• M9: 1,655,749 km (0.075 R)
• M10: 1,938,190 km (0.103 R)
• M11: 2,019,422 km (0.085 R)
• M12: 2,151,666 km (0.032 R)
• M13: 2,529,850 km (0.063 R)
• M14: 2,654,614 km (0.086 R)
• M15: 2,744,971 km (0.113 R)
• M16: 3,211,717 km (0.083 R)
• M17: 3,346,804 km (0.082 R)
• M18: 3,483,835 km (0.07 R)
• M19: 3,763,284 km (0.066 R)
• M20: 4,407,752 km (0.106 R)
• M21: 4,601,331 km (0.109 R)
• M22: 4,819,595 km (0.066 R)
• M23: 4,907,857 km (0.09 R)
• M24: 5,425,616 km (0.058 R)
• M25: 5,494,431 km (0.11 R)
• M26: 5,540,507 km (0.117 R)
• M27: 5,796,020 km (0.089 R)
• M28: 5,937,091 km (0.078 R)
• M29: 7,741,690 km (0.11 R)
• M30: 8,448,989 km (0.119 R)
• M31: 10,121,343 km (0.112 R)
• M32: 11,271,751 km (0.071 R)
• M33: 11,624,951 km (0.086 R)
• M34: 12,462,999 km (0.087 R)
• M35: 13,227,743 km (0.12 R)
• M36: 13,444,510 km (0.109 R)
• M37: 13,787,538 km (0.112 R)
• M38: 13,850,220 km (0.092 R)
• M39: 14,133,558 km (0.086 R)
• M40: 14,260,118 km (0.075 R)
• M41: 15,545,912 km (0.04 R)
• M42: 16,434,523 km (0.061 R)
• M43: 17,137,184 km (0.078 R)
• M44: 18,157,741 km (0.116 R)
• M45: 19,795,688 km (0.094 R)
• M46: 20,507,026 km (0.091 R)
• M47: 20,721,998 km (0.036 R)
• M48: 22,064,489 km (0.104 R)
• M49: 22,653,606 km (0.074 R)
• M50: 23,024,459 km (0.105 R)
• M51: 23,136,059 km (0.111 R)
• M52: 24,565,766 km (0.075 R)
• M53: 25,023,236 km (0.094 R)
• M54: 25,176,274 km (0.116 R)
• M55: 25,560,442 km (0.113 R)
• M56: 25,676,081 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.5

Radius: 7.3

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.16 AU - 8.04 AU

Year: 13322 Days

Day: 23.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 37,273,306 km

• M1: 112,498 km (0.119 R)
• M2: 180,565 km (0.12 R)
• M3: 246,687 km (0.083 R)
• M4: 1,128,417 km (0.114 R)
• M5: 1,179,579 km (0.059 R)
• M6: 1,248,993 km (0.099 R)
• M7: 1,319,902 km (0.071 R)
• M8: 1,598,004 km (0.043 R)
• M9: 2,059,364 km (0.096 R)
• M10: 2,537,778 km (0.118 R)
• M11: 3,073,488 km (0.091 R)
• M12: 3,797,542 km (0.117 R)
• M13: 4,408,051 km (0.074 R)
• M14: 5,278,411 km (0.119 R)
• M15: 5,540,956 km (0.084 R)
• M16: 5,927,666 km (0.063 R)
• M17: 6,048,392 km (0.062 R)
• M18: 6,948,073 km (0.094 R)
• M19: 7,171,572 km (0.098 R)
• M20: 7,625,452 km (0.114 R)
• M21: 7,724,037 km (0.038 R)
• M22: 9,356,599 km (0.11 R)
• M23: 10,611,725 km (0.064 R)
• M24: 11,202,936 km (0.057 R)
• M25: 11,766,920 km (0.12 R)
• M26: 12,610,801 km (0.034 R)
• M27: 13,712,889 km (0.081 R)
• M28: 14,234,985 km (0.117 R)
• M29: 14,437,541 km (0.109 R)
• M30: 14,600,154 km (0.074 R)
• M31: 15,009,753 km (0.099 R)
• M32: 15,422,942 km (0.106 R)
• M33: 16,941,510 km (0.09 R)
• M34: 19,937,058 km (0.081 R)
• M35: 20,619,523 km (0.117 R)
• M36: 20,756,854 km (0.119 R)
• M37: 21,541,345 km (0.079 R)
• M38: 22,712,547 km (0.101 R)
• M39: 23,281,917 km (0.066 R)
• M40: 25,508,232 km (0.112 R)
• M41: 26,001,157 km (0.089 R)
• M42: 26,100,041 km (0.081 R)
• M43: 26,248,742 km (0.077 R)
• M44: 29,848,515 km (0.119 R)
• M45: 30,890,165 km (0.119 R)
• M46: 31,731,952 km (0.071 R)
• M47: 31,837,718 km (0.105 R)
• M48: 34,085,725 km (0.08 R)
• M49: 34,248,338 km (0.118 R)
• M50: 34,465,405 km (0.105 R)
• M51: 35,119,447 km (0.039 R)
• M52: 36,717,002 km (0.12 R)
• M53: 36,994,805 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 152 - 16,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit