🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.8

Radius: 12.1

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.77 AU - 0.87 AU

Year: 487 Days

Day: 5.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 29,586,264 km

• M1: 151,094 km (0.037 R)
• M2: 228,286 km (0.042 R)
• M3: 373,695 km (0.071 R)
• M4: 501,602 km (0.094 R)
• M5: 586,274 km (0.098 R)
• M6: 706,850 km (0.115 R)
• M7: 850,763 km (0.113 R)
• M8: 926,759 km (0.118 R)
• M9: 1,143,676 km (0.073 R)
• M10: 1,299,557 km (0.118 R)
• M11: 1,748,650 km (0.105 R)
• M12: 2,046,050 km (0.049 R)
• M13: 2,124,739 km (0.112 R)
• M14: 2,224,520 km (0.117 R)
• M15: 2,346,293 km (0.12 R)
• M16: 2,603,901 km (0.044 R)
• M17: 2,682,439 km (0.072 R)
• M18: 2,819,770 km (0.102 R)
• M19: 2,989,265 km (0.09 R)
• M20: 3,086,503 km (0.027 R)
• M21: 3,223,086 km (0.115 R)
• M22: 3,307,609 km (0.078 R)
• M23: 3,565,516 km (0.096 R)
• M24: 3,676,966 km (0.119 R)
• M25: 3,797,542 km (0.088 R)
• M26: 3,887,001 km (0.101 R)
• M27: 3,977,059 km (0.062 R)
• M28: 4,059,637 km (0.092 R)
• M29: 4,370,053 km (0.084 R)
• M30: 4,480,905 km (0.114 R)
• M31: 4,558,247 km (0.116 R)
• M32: 4,636,038 km (0.086 R)
• M33: 4,766,787 km (0.105 R)
• M34: 4,889,906 km (0.109 R)
• M35: 5,202,266 km (0.039 R)
• M36: 5,549,034 km (0.068 R)
• M37: 5,762,510 km (0.1 R)
• M38: 6,016,677 km (0.069 R)
• M39: 6,140,394 km (0.068 R)
• M40: 6,264,860 km (0.099 R)
• M41: 6,361,201 km (0.049 R)
• M42: 6,438,692 km (0.072 R)
• M43: 6,536,081 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.3

Radius: 8.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.89 AU - 0.95 AU

Year: 579 Days

Day: 11.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 139.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 29,586,264 km

• M1: 178,021 km (0.085 R)
• M2: 240,703 km (0.119 R)
• M3: 308,022 km (0.059 R)
• M4: 368,609 km (0.036 R)
• M5: 431,590 km (0.099 R)
• M6: 487,390 km (0.058 R)
• M7: 604,375 km (0.1 R)
• M8: 678,127 km (0.042 R)
• M9: 782,546 km (0.098 R)
• M10: 842,386 km (0.105 R)
• M11: 907,461 km (0.085 R)
• M12: 985,700 km (0.053 R)
• M13: 1,042,996 km (0.063 R)
• M14: 1,121,386 km (0.093 R)
• M15: 1,222,065 km (0.098 R)
• M16: 1,334,413 km (0.084 R)
• M17: 1,450,351 km (0.109 R)
• M18: 1,520,662 km (0.097 R)
• M19: 1,578,557 km (0.112 R)
• M20: 1,687,763 km (0.063 R)
• M21: 1,956,890 km (0.094 R)
• M22: 2,049,790 km (0.092 R)
• M23: 2,109,180 km (0.105 R)
• M24: 2,209,561 km (0.095 R)
• M25: 2,301,264 km (0.115 R)
• M26: 2,373,370 km (0.051 R)
• M27: 2,578,618 km (0.063 R)
• M28: 2,653,717 km (0.112 R)
• M29: 2,718,642 km (0.11 R)
• M30: 2,773,245 km (0.1 R)
• M31: 2,872,279 km (0.08 R)
• M32: 3,006,319 km (0.042 R)
• M33: 3,108,345 km (0.106 R)
• M34: 3,188,379 km (0.11 R)
• M35: 3,333,041 km (0.102 R)
• M36: 3,462,293 km (0.068 R)
• M37: 3,521,534 km (0.053 R)
• M38: 3,810,707 km (0.06 R)
• M39: 3,865,908 km (0.099 R)
• M40: 3,933,526 km (0.081 R)
• M41: 4,132,791 km (0.047 R)
• M42: 4,240,052 km (0.036 R)
• M43: 4,316,198 km (0.111 R)
• M44: 4,373,793 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.4

Radius: 14.9

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2 AU - 2.62 AU

Year: 2303 Days

Day: 11.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 29,586,264 km

• M1: 194,776 km (0.105 R)
• M2: 324,328 km (0.076 R)
• M3: 435,330 km (0.046 R)
• M4: 584,628 km (0.075 R)
• M5: 748,588 km (0.074 R)
• M6: 870,360 km (0.119 R)
• M7: 1,015,470 km (0.11 R)
• M8: 1,457,382 km (0.055 R)
• M9: 1,633,908 km (0.118 R)
• M10: 1,788,293 km (0.113 R)
• M11: 1,897,499 km (0.091 R)
• M12: 2,029,594 km (0.118 R)
• M13: 2,133,415 km (0.117 R)
• M14: 2,271,045 km (0.12 R)
• M15: 2,379,205 km (0.088 R)
• M16: 2,522,370 km (0.074 R)
• M17: 2,782,969 km (0.094 R)
• M18: 3,088,298 km (0.062 R)
• M19: 3,417,264 km (0.108 R)
• M20: 3,516,896 km (0.027 R)
• M21: 3,643,007 km (0.084 R)
• M22: 3,744,883 km (0.051 R)
• M23: 4,149,097 km (0.032 R)
• M24: 4,255,760 km (0.114 R)
• M25: 4,349,857 km (0.084 R)
• M26: 4,499,156 km (0.069 R)
• M27: 4,691,688 km (0.106 R)
• M28: 4,858,939 km (0.115 R)
• M29: 4,957,374 km (0.074 R)
• M30: 5,056,558 km (0.113 R)
• M31: 5,271,380 km (0.088 R)
• M32: 5,445,362 km (0.096 R)
• M33: 5,562,498 km (0.113 R)
• M34: 5,680,530 km (0.077 R)
• M35: 5,873,960 km (0.05 R)
• M36: 6,436,748 km (0.081 R)
• M37: 6,545,206 km (0.097 R)
• M38: 6,654,263 km (0.101 R)
• M39: 6,921,744 km (0.085 R)
• M40: 7,128,638 km (0.07 R)
• M41: 7,353,783 km (0.085 R)
• M42: 7,467,327 km (0.046 R)
• M43: 7,860,919 km (0.061 R)
• M44: 8,043,578 km (0.032 R)
• M45: 8,177,319 km (0.104 R)
• M46: 9,221,662 km (0.069 R)
• M47: 9,929,259 km (0.033 R)
• M48: 10,072,873 km (0.089 R)
• M49: 10,289,641 km (0.095 R)
• M50: 10,471,402 km (0.051 R)
• M51: 10,764,614 km (0.066 R)
• M52: 11,246,918 km (0.118 R)
• M53: 11,415,514 km (0.072 R)
• M54: 11,622,707 km (0.096 R)
• M55: 12,175,023 km (0.033 R)
• M56: 12,522,090 km (0.039 R)
• M57: 13,029,376 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 14.1

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.8 AU - 3.06 AU

Year: 3290 Days

Day: 12.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 29,586,264 km

• M1: 184,604 km (0.093 R)
• M2: 296,054 km (0.074 R)
• M3: 471,981 km (0.114 R)
• M4: 641,625 km (0.074 R)
• M5: 731,833 km (0.094 R)
• M6: 944,411 km (0.105 R)
• M7: 1,058,854 km (0.113 R)
• M8: 1,293,573 km (0.073 R)
• M9: 1,609,224 km (0.119 R)
• M10: 1,870,871 km (0.102 R)
• M11: 1,984,117 km (0.087 R)
• M12: 2,088,087 km (0.113 R)
• M13: 2,374,717 km (0.102 R)
• M14: 2,473,302 km (0.076 R)
• M15: 2,573,083 km (0.094 R)
• M16: 2,687,227 km (0.047 R)
• M17: 2,842,060 km (0.105 R)
• M18: 3,106,849 km (0.045 R)
• M19: 3,505,228 km (0.12 R)
• M20: 3,660,809 km (0.074 R)
• M21: 3,761,040 km (0.113 R)
• M22: 3,920,362 km (0.107 R)
• M23: 4,126,508 km (0.095 R)
• M24: 4,381,722 km (0.065 R)
• M25: 4,580,388 km (0.103 R)
• M26: 4,782,046 km (0.069 R)
• M27: 5,050,424 km (0.112 R)
• M28: 5,146,316 km (0.081 R)
• M29: 5,275,120 km (0.083 R)
• M30: 5,585,536 km (0.08 R)
• M31: 5,834,766 km (0.037 R)
• M32: 5,935,595 km (0.066 R)
• M33: 6,224,169 km (0.077 R)
• M34: 6,482,824 km (0.105 R)
• M35: 6,604,746 km (0.109 R)
• M36: 6,762,572 km (0.109 R)
• M37: 6,957,348 km (0.103 R)
• M38: 7,135,968 km (0.094 R)
• M39: 7,225,876 km (0.095 R)
• M40: 8,108,055 km (0.117 R)
• M41: 8,220,702 km (0.104 R)
• M42: 8,390,795 km (0.103 R)
• M43: 8,753,570 km (0.081 R)
• M44: 8,966,148 km (0.096 R)
• M45: 9,613,758 km (0.095 R)
• M46: 9,792,976 km (0.084 R)
• M47: 10,337,512 km (0.06 R)
• M48: 10,500,723 km (0.094 R)
• M49: 10,788,550 km (0.04 R)
• M50: 11,037,181 km (0.051 R)
• M51: 11,434,962 km (0.077 R)
• M52: 11,880,016 km (0.056 R)
• M53: 12,287,670 km (0.096 R)
• M54: 12,417,371 km (0.048 R)
• M55: 12,591,054 km (0.114 R)
• M56: 12,853,000 km (0.04 R)
• M57: 13,516,018 km (0.042 R)
• M58: 13,649,908 km (0.077 R)
• M59: 14,326,240 km (0.031 R)
• M60: 14,668,370 km (0.036 R)
• M61: 14,898,153 km (0.097 R)
• M62: 15,198,545 km (0.082 R)
• M63: 15,500,883 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.3

Radius: 10.4

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.86 AU - 4.1 AU

Year: 4259 Days

Day: 6.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 29,586,264 km

• M1: 140,024 km (0.074 R)
• M2: 279,000 km (0.11 R)
• M3: 570,865 km (0.037 R)
• M4: 646,412 km (0.09 R)
• M5: 809,025 km (0.112 R)
• M6: 1,008,888 km (0.073 R)
• M7: 1,103,135 km (0.082 R)
• M8: 1,537,417 km (0.078 R)
• M9: 1,759,570 km (0.088 R)
• M10: 1,918,293 km (0.091 R)
• M11: 2,051,884 km (0.065 R)
• M12: 2,344,348 km (0.112 R)
• M13: 2,568,296 km (0.081 R)
• M14: 2,833,084 km (0.091 R)
• M15: 3,194,064 km (0.1 R)
• M16: 3,317,632 km (0.097 R)
• M17: 3,533,352 km (0.106 R)
• M18: 3,606,356 km (0.078 R)
• M19: 3,679,808 km (0.082 R)
• M20: 3,753,710 km (0.051 R)
• M21: 4,131,145 km (0.089 R)
• M22: 4,402,665 km (0.064 R)
• M23: 5,230,989 km (0.047 R)
• M24: 5,567,285 km (0.075 R)
• M25: 6,327,541 km (0.031 R)
• M26: 6,438,692 km (0.106 R)
• M27: 6,867,589 km (0.101 R)
• M28: 7,634,279 km (0.083 R)
• M29: 8,184,799 km (0.1 R)
• M30: 8,257,503 km (0.032 R)
• M31: 8,330,507 km (0.044 R)
• M32: 8,673,984 km (0.076 R)
• M33: 9,047,081 km (0.105 R)
• M34: 9,399,982 km (0.111 R)
• M35: 9,834,714 km (0.046 R)
• M36: 9,989,697 km (0.104 R)
• M37: 10,328,387 km (0.072 R)
• M38: 10,670,816 km (0.04 R)
• M39: 11,043,764 km (0.078 R)
• M40: 11,912,329 km (0.078 R)
• M41: 12,354,839 km (0.075 R)
• M42: 12,550,214 km (0.118 R)
• M43: 12,634,139 km (0.111 R)
• M44: 12,915,682 km (0.07 R)
• M45: 13,484,752 km (0.085 R)
• M46: 13,657,089 km (0.091 R)
• M47: 13,859,046 km (0.112 R)
• M48: 14,178,437 km (0.11 R)
• M49: 14,470,901 km (0.105 R)
• M50: 15,002,422 km (0.078 R)
• M51: 15,660,653 km (0.044 R)
• M52: 15,841,816 km (0.076 R)
• M53: 16,328,458 km (0.112 R)
• M54: 16,974,571 km (0.1 R)
• M55: 17,285,136 km (0.106 R)
• M56: 18,006,647 km (0.115 R)
• M57: 18,323,346 km (0.112 R)
• M58: 18,610,125 km (0.097 R)
• M59: 18,706,017 km (0.104 R)
• M60: 19,446,676 km (0.098 R)
• M61: 19,511,452 km (0.115 R)
• M62: 19,902,202 km (0.119 R)
• M63: 20,526,025 km (0.05 R)
• M64: 20,625,058 km (0.066 R)
• M65: 20,923,357 km (0.065 R)
• M66: 21,323,232 km (0.046 R)
• M67: 21,390,102 km (0.11 R)
• M68: 21,759,309 km (0.072 R)
• M69: 22,469,899 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.3

Radius: 3.3

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.31 AU - 8.17 AU

Year: 12780 Days

Day: 20.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 29,586,264 km

• M1: 319,541 km (0.12 R)
• M2: 730,038 km (0.09 R)
• M3: 946,805 km (0.113 R)
• M4: 1,038,808 km (0.107 R)
• M5: 1,070,223 km (0.111 R)
• M6: 1,117,795 km (0.114 R)
• M7: 1,366,427 km (0.099 R)
• M8: 2,167,823 km (0.095 R)
• M9: 2,228,410 km (0.112 R)
• M10: 2,667,180 km (0.076 R)
• M11: 2,797,331 km (0.045 R)
• M12: 2,863,303 km (0.091 R)
• M13: 2,951,865 km (0.093 R)
• M14: 2,996,595 km (0.074 R)
• M15: 3,019,035 km (0.114 R)
• M16: 3,041,474 km (0.063 R)
• M17: 3,131,981 km (0.119 R)
• M18: 3,455,561 km (0.118 R)
• M19: 3,645,251 km (0.109 R)
• M20: 3,789,613 km (0.1 R)
• M21: 3,838,233 km (0.105 R)
• M22: 3,960,604 km (0.046 R)
• M23: 4,109,154 km (0.115 R)
• M24: 4,184,103 km (0.056 R)
• M25: 4,462,804 km (0.089 R)
• M26: 5,064,636 km (0.049 R)
• M27: 5,171,898 km (0.097 R)
• M28: 5,252,830 km (0.095 R)
• M29: 5,971,797 km (0.102 R)
• M30: 6,256,333 km (0.118 R)
• M31: 6,633,020 km (0.113 R)
• M32: 6,750,305 km (0.083 R)
• M33: 7,106,497 km (0.101 R)
• M34: 7,196,555 km (0.111 R)
• M35: 7,377,718 km (0.117 R)
• M36: 7,438,455 km (0.057 R)
• M37: 8,559,392 km (0.106 R)
• M38: 9,171,995 km (0.116 R)
• M39: 9,335,506 km (0.044 R)
• M40: 9,599,097 km (0.102 R)
• M41: 10,884,591 km (0.078 R)
• M42: 11,127,239 km (0.107 R)
• M43: 11,336,527 km (0.117 R)
• M44: 11,406,688 km (0.085 R)
• M45: 11,901,259 km (0.063 R)
• M46: 12,222,894 km (0.11 R)
• M47: 12,765,336 km (0.03 R)
• M48: 12,984,646 km (0.119 R)
• M49: 13,463,659 km (0.114 R)
• M50: 13,538,009 km (0.087 R)
• M51: 14,477,184 km (0.076 R)
• M52: 15,320,916 km (0.105 R)
• M53: 15,359,662 km (0.115 R)
• M54: 15,553,840 km (0.077 R)
• M55: 15,944,590 km (0.086 R)
• M56: 16,815,549 km (0.055 R)
• M57: 17,580,143 km (0.098 R)
• M58: 17,823,838 km (0.097 R)
• M59: 18,644,532 km (0.117 R)
• M60: 18,851,576 km (0.097 R)
• M61: 19,393,569 km (0.085 R)
• M62: 19,561,418 km (0.104 R)
• M63: 19,645,492 km (0.09 R)
• M64: 20,152,479 km (0.114 R)
• M65: 20,322,422 km (0.083 R)
• M66: 20,450,179 km (0.081 R)
• M67: 20,621,019 km (0.101 R)
• M68: 20,835,243 km (0.075 R)
• M69: 20,921,113 km (0.025 R)
• M70: 21,395,338 km (0.107 R)
• M71: 21,655,638 km (0.118 R)
• M72: 22,354,709 km (0.05 R)
• M73: 22,530,636 km (0.111 R)
• M74: 23,061,260 km (0.081 R)
• M75: 23,105,541 km (0.034 R)
• M76: 24,179,653 km (0.106 R)
• M77: 24,360,218 km (0.044 R)
• M78: 24,586,560 km (0.117 R)
• M79: 25,041,487 km (0.06 R)
• M80: 25,224,146 km (0.111 R)
• M81: 25,636,886 km (0.075 R)
• M82: 26,562,000 km (0.117 R)
• M83: 26,794,923 km (0.108 R)
• M84: 27,592,130 km (0.075 R)
• M85: 28,826,313 km (0.103 R)
• M86: 29,257,753 km (0.075 R)
• M87: 29,594,797 km (0.108 R)
• M88: 31,004,607 km (0.082 R)
• M89: 31,053,676 km (0.096 R)
• M90: 31,742,424 km (0.119 R)
• M91: 32,486,075 km (0.099 R)
• M92: 32,635,374 km (0.077 R)
• M93: 33,034,950 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.3

Radius: 4.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 8.18 AU - 13.28 AU

Year: 23057 Days

Day: 17.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 29,586,264 km

• M1: 120,725 km (0.105 R)
• M2: 254,316 km (0.083 R)
• M3: 792,570 km (0.069 R)
• M4: 1,123,480 km (0.118 R)
• M5: 1,212,341 km (0.035 R)
• M6: 1,776,176 km (0.095 R)
• M7: 1,897,649 km (0.108 R)
• M8: 2,004,013 km (0.073 R)
• M9: 2,506,213 km (0.116 R)
• M10: 2,583,854 km (0.039 R)
• M11: 2,681,991 km (0.074 R)
• M12: 3,086,952 km (0.103 R)
• M13: 3,212,016 km (0.093 R)
• M14: 3,360,267 km (0.097 R)
• M15: 3,445,987 km (0.114 R)
• M16: 4,295,553 km (0.105 R)
• M17: 4,624,220 km (0.108 R)
• M18: 5,206,455 km (0.1 R)
• M19: 5,380,587 km (0.089 R)
• M20: 5,480,967 km (0.117 R)
• M21: 6,070,083 km (0.057 R)
• M22: 7,141,653 km (0.039 R)
• M23: 7,335,083 km (0.075 R)
• M24: 7,474,358 km (0.088 R)
• M25: 8,531,866 km (0.079 R)
• M26: 8,619,530 km (0.095 R)
• M27: 9,033,168 km (0.113 R)
• M28: 9,696,186 km (0.114 R)
• M29: 9,787,740 km (0.071 R)
• M30: 10,751,300 km (0.08 R)
• M31: 10,814,430 km (0.108 R)
• M32: 11,582,316 km (0.087 R)
• M33: 12,071,202 km (0.082 R)
• M34: 12,169,787 km (0.091 R)
• M35: 12,235,610 km (0.111 R)
• M36: 12,268,671 km (0.098 R)
• M37: 12,433,977 km (0.106 R)
• M38: 12,467,187 km (0.086 R)
• M39: 12,700,111 km (0.103 R)
• M40: 12,766,832 km (0.079 R)
• M41: 15,426,532 km (0.119 R)
• M42: 15,927,984 km (0.1 R)
• M43: 17,130,901 km (0.12 R)
• M44: 17,278,704 km (0.046 R)
• M45: 17,464,055 km (0.08 R)
• M46: 17,986,601 km (0.117 R)
• M47: 18,817,916 km (0.094 R)
• M48: 18,932,209 km (0.11 R)
• M49: 19,584,456 km (0.104 R)
• M50: 19,855,078 km (0.08 R)
• M51: 19,932,719 km (0.119 R)
• M52: 23,035,679 km (0.101 R)
• M53: 24,642,509 km (0.103 R)
• M54: 26,498,271 km (0.116 R)
• M55: 27,055,224 km (0.081 R)
• M56: 27,184,177 km (0.054 R)
• M57: 28,180,499 km (0.115 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 14,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit