🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.9

Radius: 10.9

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.64 AU - 0.72 AU

Year: 380 Days

Day: 14 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,290,545 km

• M1: 136,882 km (0.089 R)
• M2: 214,075 km (0.097 R)
• M3: 318,943 km (0.113 R)
• M4: 406,158 km (0.098 R)
• M5: 484,248 km (0.066 R)
• M6: 552,315 km (0.093 R)
• M7: 622,477 km (0.113 R)
• M8: 794,365 km (0.099 R)
• M9: 866,770 km (0.106 R)
• M10: 973,284 km (0.093 R)
• M11: 1,098,198 km (0.094 R)
• M12: 1,171,950 km (0.113 R)
• M13: 1,348,026 km (0.11 R)
• M14: 1,431,801 km (0.093 R)
• M15: 1,655,001 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.4

Radius: 13.7

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.09 AU - 1.77 AU

Year: 1160 Days

Day: 14.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 73,290,545 km

• M1: 177,722 km (0.089 R)
• M2: 309,668 km (0.106 R)
• M3: 416,032 km (0.068 R)
• M4: 517,908 km (0.118 R)
• M5: 720,763 km (0.05 R)
• M6: 808,876 km (0.108 R)
• M7: 908,358 km (0.112 R)
• M8: 1,012,778 km (0.086 R)
• M9: 1,267,692 km (0.096 R)
• M10: 1,562,101 km (0.096 R)
• M11: 1,671,457 km (0.074 R)
• M12: 1,976,188 km (0.1 R)
• M13: 2,237,386 km (0.105 R)
• M14: 2,403,739 km (0.088 R)
• M15: 2,683,187 km (0.088 R)
• M16: 2,882,901 km (0.111 R)
• M17: 2,973,407 km (0.069 R)
• M18: 3,180,451 km (0.046 R)
• M19: 3,321,073 km (0.101 R)
• M20: 3,645,401 km (0.084 R)
• M21: 3,743,537 km (0.057 R)
• M22: 3,867,554 km (0.112 R)
• M23: 3,955,069 km (0.075 R)
• M24: 4,132,192 km (0.09 R)
• M25: 4,260,398 km (0.092 R)
• M26: 4,653,092 km (0.102 R)
• M27: 4,948,698 km (0.116 R)
• M28: 5,305,937 km (0.103 R)
• M29: 5,515,973 km (0.08 R)
• M30: 5,685,916 km (0.094 R)
• M31: 6,103,892 km (0.074 R)
• M32: 6,206,367 km (0.093 R)
• M33: 6,294,630 km (0.071 R)
• M34: 6,442,731 km (0.061 R)
• M35: 6,636,910 km (0.12 R)
• M36: 6,817,923 km (0.109 R)
• M37: 7,138,661 km (0.097 R)
• M38: 7,417,661 km (0.117 R)
• M39: 7,511,309 km (0.059 R)
• M40: 7,906,397 km (0.114 R)
• M41: 8,227,434 km (0.043 R)
• M42: 8,438,367 km (0.101 R)
• M43: 8,799,496 km (0.1 R)
• M44: 8,898,829 km (0.092 R)
• M45: 9,215,977 km (0.065 R)
• M46: 9,690,202 km (0.056 R)
• M47: 9,775,772 km (0.099 R)
• M48: 9,895,899 km (0.058 R)
• M49: 10,329,284 km (0.058 R)
• M50: 10,892,819 km (0.103 R)
• M51: 11,430,474 km (0.119 R)
• M52: 11,666,091 km (0.115 R)
• M53: 12,252,963 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.5

Radius: 13.8

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.46 AU - 1.68 AU

Year: 1334 Days

Day: 7.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 73,290,545 km

• M1: 172,038 km (0.09 R)
• M2: 288,574 km (0.108 R)
• M3: 452,234 km (0.045 R)
• M4: 566,378 km (0.118 R)
• M5: 735,722 km (0.036 R)
• M6: 824,284 km (0.105 R)
• M7: 1,078,301 km (0.109 R)
• M8: 1,242,111 km (0.093 R)
• M9: 1,335,161 km (0.093 R)
• M10: 1,422,676 km (0.051 R)
• M11: 1,595,611 km (0.09 R)
• M12: 1,908,869 km (0.06 R)
• M13: 2,026,902 km (0.08 R)
• M14: 2,147,627 km (0.045 R)
• M15: 2,251,598 km (0.099 R)
• M16: 2,367,237 km (0.09 R)
• M17: 2,474,947 km (0.065 R)
• M18: 2,695,454 km (0.115 R)
• M19: 3,264,525 km (0.066 R)
• M20: 3,352,039 km (0.077 R)
• M21: 3,755,804 km (0.083 R)
• M22: 3,847,807 km (0.082 R)
• M23: 4,010,420 km (0.028 R)
• M24: 4,175,426 km (0.096 R)
• M25: 4,390,997 km (0.113 R)
• M26: 4,721,309 km (0.08 R)
• M27: 4,996,419 km (0.032 R)
• M28: 5,199,872 km (0.055 R)
• M29: 5,393,153 km (0.095 R)
• M30: 5,641,485 km (0.113 R)
• M31: 5,893,707 km (0.104 R)
• M32: 6,054,824 km (0.11 R)
• M33: 6,436,598 km (0.113 R)
• M34: 6,630,626 km (0.086 R)
• M35: 6,784,263 km (0.059 R)
• M36: 7,324,461 km (0.113 R)
• M37: 7,468,973 km (0.112 R)
• M38: 7,629,043 km (0.115 R)
• M39: 7,716,857 km (0.074 R)
• M40: 7,863,911 km (0.104 R)
• M41: 7,967,433 km (0.114 R)
• M42: 8,160,863 km (0.081 R)
• M43: 8,280,841 km (0.119 R)
• M44: 8,582,879 km (0.102 R)
• M45: 8,735,468 km (0.099 R)
• M46: 9,151,650 km (0.065 R)
• M47: 9,338,647 km (0.074 R)
• M48: 9,526,991 km (0.108 R)
• M49: 10,228,605 km (0.099 R)
• M50: 10,374,164 km (0.082 R)
• M51: 10,667,226 km (0.118 R)
• M52: 10,831,335 km (0.107 R)
• M53: 11,228,667 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 8.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.79 AU - 2.05 AU

Year: 1804 Days

Day: 11.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 73,290,545 km

• M1: 122,521 km (0.096 R)
• M2: 279,299 km (0.075 R)
• M3: 419,024 km (0.097 R)
• M4: 607,816 km (0.099 R)
• M5: 719,117 km (0.096 R)
• M6: 797,506 km (0.1 R)
• M7: 878,887 km (0.089 R)
• M8: 1,210,097 km (0.07 R)
• M9: 1,280,857 km (0.118 R)
• M10: 1,435,092 km (0.101 R)
• M11: 1,518,867 km (0.09 R)
• M12: 1,717,832 km (0.088 R)
• M13: 1,806,993 km (0.111 R)
• M14: 1,897,799 km (0.085 R)
• M15: 2,065,049 km (0.088 R)
• M16: 2,140,895 km (0.109 R)
• M17: 2,636,812 km (0.115 R)
• M18: 2,961,888 km (0.05 R)
• M19: 3,311,050 km (0.077 R)
• M20: 3,366,700 km (0.105 R)
• M21: 3,673,226 km (0.091 R)
• M22: 3,812,352 km (0.09 R)
• M23: 3,906,150 km (0.117 R)
• M24: 3,965,092 km (0.111 R)
• M25: 4,435,427 km (0.095 R)
• M26: 4,897,984 km (0.12 R)
• M27: 5,258,365 km (0.043 R)
• M28: 5,389,114 km (0.071 R)
• M29: 5,521,059 km (0.103 R)
• M30: 5,667,366 km (0.087 R)
• M31: 5,761,164 km (0.101 R)
• M32: 6,237,782 km (0.037 R)
• M33: 6,334,722 km (0.088 R)
• M34: 6,473,997 km (0.082 R)
• M35: 6,572,134 km (0.073 R)
• M36: 6,656,507 km (0.077 R)
• M37: 6,983,677 km (0.074 R)
• M38: 7,041,123 km (0.071 R)
• M39: 7,624,255 km (0.117 R)
• M40: 7,817,237 km (0.119 R)
• M41: 7,951,725 km (0.052 R)
• M42: 8,162,359 km (0.118 R)
• M43: 8,666,354 km (0.093 R)
• M44: 8,728,138 km (0.094 R)
• M45: 8,867,713 km (0.111 R)
• M46: 8,961,212 km (0.066 R)
• M47: 9,196,230 km (0.114 R)
• M48: 9,433,343 km (0.095 R)
• M49: 9,528,786 km (0.065 R)
• M50: 10,075,566 km (0.103 R)
• M51: 10,549,941 km (0.055 R)
• M52: 10,831,484 km (0.102 R)
• M53: 10,948,021 km (0.065 R)
• M54: 11,115,421 km (0.107 R)
• M55: 11,317,378 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.9

Radius: 14.8

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.62 AU - 3.46 AU

Year: 3595 Days

Day: 6.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 73,290,545 km

• M1: 184,454 km (0.084 R)
• M2: 319,990 km (0.119 R)
• M3: 501,602 km (0.106 R)
• M4: 606,619 km (0.083 R)
• M5: 714,330 km (0.09 R)
• M6: 1,049,130 km (0.074 R)
• M7: 1,289,085 km (0.043 R)
• M8: 1,538,165 km (0.062 R)
• M9: 1,733,241 km (0.054 R)
• M10: 1,834,070 km (0.096 R)
• M11: 1,989,203 km (0.092 R)
• M12: 2,257,881 km (0.103 R)
• M13: 2,481,529 km (0.109 R)
• M14: 2,724,476 km (0.11 R)
• M15: 2,819,172 km (0.103 R)
• M16: 3,109,990 km (0.032 R)
• M17: 3,321,970 km (0.112 R)
• M18: 3,500,291 km (0.06 R)
• M19: 4,041,087 km (0.04 R)
• M20: 4,163,309 km (0.092 R)
• M21: 4,425,703 km (0.116 R)
• M22: 4,594,151 km (0.097 R)
• M23: 4,693,484 km (0.084 R)
• M24: 5,274,971 km (0.116 R)
• M25: 5,483,959 km (0.068 R)
• M26: 5,879,496 km (0.058 R)
• M27: 6,049,588 km (0.076 R)
• M28: 6,190,061 km (0.104 R)
• M29: 6,284,307 km (0.111 R)
• M30: 6,410,718 km (0.08 R)
• M31: 6,779,028 km (0.083 R)
• M32: 6,990,260 km (0.054 R)
• M33: 7,105,001 km (0.096 R)
• M34: 7,369,490 km (0.087 R)
• M35: 7,469,422 km (0.088 R)
• M36: 7,569,951 km (0.086 R)
• M37: 7,806,166 km (0.082 R)
• M38: 7,993,613 km (0.104 R)
• M39: 8,147,998 km (0.071 R)
• M40: 8,286,076 km (0.111 R)
• M41: 8,564,628 km (0.088 R)
• M42: 8,740,256 km (0.102 R)
• M43: 9,310,672 km (0.085 R)
• M44: 9,764,552 km (0.106 R)
• M45: 9,893,057 km (0.047 R)
• M46: 10,207,362 km (0.065 R)
• M47: 10,300,412 km (0.11 R)
• M48: 10,431,160 km (0.078 R)
• M49: 10,675,454 km (0.116 R)
• M50: 10,921,692 km (0.12 R)
• M51: 11,227,470 km (0.075 R)
• M52: 11,323,512 km (0.09 R)
• M53: 11,497,195 km (0.082 R)
• M54: 11,788,761 km (0.066 R)
• M55: 11,886,448 km (0.117 R)
• M56: 12,023,779 km (0.103 R)
• M57: 12,398,971 km (0.099 R)
• M58: 12,518,200 km (0.103 R)
• M59: 12,637,879 km (0.108 R)
• M60: 13,181,218 km (0.092 R)
• M61: 13,364,027 km (0.115 R)
• M62: 13,506,893 km (0.034 R)
• M63: 13,752,831 km (0.106 R)
• M64: 13,855,755 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.5

Radius: 4.3

Gravity: 36.43 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.82 AU - 7.76 AU

Year: 13350 Days

Day: 22.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 73,290,545 km

• M1: 268,079 km (0.069 R)
• M2: 568,322 km (0.099 R)
• M3: 604,675 km (0.108 R)
• M4: 698,921 km (0.1 R)
• M5: 1,263,055 km (0.03 R)
• M6: 1,384,379 km (0.113 R)
• M7: 1,824,645 km (0.11 R)
• M8: 2,544,061 km (0.082 R)
• M9: 2,917,158 km (0.117 R)
• M10: 2,949,172 km (0.06 R)
• M11: 2,981,037 km (0.12 R)
• M12: 3,077,827 km (0.103 R)
• M13: 3,407,540 km (0.094 R)
• M14: 3,474,859 km (0.09 R)
• M15: 3,783,181 km (0.118 R)
• M16: 3,818,037 km (0.031 R)
• M17: 5,178,779 km (0.093 R)
• M18: 5,256,121 km (0.11 R)
• M19: 5,530,334 km (0.117 R)
• M20: 5,809,035 km (0.098 R)
• M21: 6,092,523 km (0.107 R)
• M22: 6,133,363 km (0.06 R)
• M23: 6,421,788 km (0.045 R)
• M24: 7,751,862 km (0.104 R)
• M25: 7,974,015 km (0.059 R)
• M26: 8,334,097 km (0.027 R)
• M27: 8,470,381 km (0.105 R)
• M28: 8,791,568 km (0.118 R)
• M29: 9,023,295 km (0.08 R)
• M30: 9,398,337 km (0.109 R)
• M31: 10,115,060 km (0.079 R)
• M32: 10,211,999 km (0.054 R)
• M33: 11,047,952 km (0.044 R)
• M34: 11,651,281 km (0.089 R)
• M35: 13,470,989 km (0.095 R)
• M36: 13,738,171 km (0.082 R)
• M37: 14,006,998 km (0.09 R)
• M38: 15,880,712 km (0.098 R)
• M39: 16,731,923 km (0.036 R)
• M40: 17,307,726 km (0.098 R)
• M41: 19,313,384 km (0.026 R)
• M42: 19,614,375 km (0.095 R)
• M43: 20,160,258 km (0.063 R)
• M44: 20,404,551 km (0.107 R)
• M45: 21,453,232 km (0.094 R)
• M46: 21,577,847 km (0.085 R)
• M47: 22,519,566 km (0.103 R)
• M48: 22,772,835 km (0.094 R)
• M49: 23,282,515 km (0.07 R)
• M50: 24,442,646 km (0.113 R)
• M51: 24,637,872 km (0.104 R)
• M52: 26,484,508 km (0.112 R)
• M53: 26,551,378 km (0.063 R)
• M54: 26,751,989 km (0.072 R)
• M55: 26,886,029 km (0.063 R)
• M56: 27,762,822 km (0.108 R)
• M57: 29,198,812 km (0.109 R)
• M58: 29,336,890 km (0.087 R)
• M59: 30,728,899 km (0.082 R)
• M60: 31,009,993 km (0.115 R)
• M61: 31,787,004 km (0.094 R)
• M62: 32,213,657 km (0.081 R)
• M63: 32,857,078 km (0.118 R)
• M64: 33,216,412 km (0.119 R)
• M65: 33,938,820 km (0.093 R)
• M66: 36,805,714 km (0.044 R)
• M67: 37,478,156 km (0.102 R)
• M68: 38,987,150 km (0.049 R)
• M69: 39,519,868 km (0.118 R)
• M70: 40,515,741 km (0.086 R)
• M71: 40,669,827 km (0.035 R)
• M72: 43,002,207 km (0.11 R)
• M73: 43,080,746 km (0.078 R)
• M74: 43,789,242 km (0.106 R)
• M75: 43,947,217 km (0.105 R)
• M76: 45,138,166 km (0.096 R)
• M77: 46,339,736 km (0.099 R)
• M78: 46,661,820 km (0.089 R)
• M79: 47,389,464 km (0.082 R)
• M80: 48,283,910 km (0.086 R)
• M81: 48,610,482 km (0.119 R)
• M82: 50,006,828 km (0.047 R)
• M83: 51,833,269 km (0.059 R)
• M84: 51,916,744 km (0.098 R)
• M85: 52,167,620 km (0.089 R)
• M86: 52,838,566 km (0.113 R)
• M87: 54,189,136 km (0.113 R)
• M88: 55,465,655 km (0.093 R)
• M89: 55,551,075 km (0.064 R)
• M90: 55,978,925 km (0.1 R)
• M91: 56,064,644 km (0.064 R)
• M92: 56,407,972 km (0.035 R)
• M93: 56,493,841 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.6

Radius: 7.2

Gravity: 17.7 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.42 AU - 10.26 AU

Year: 16336 Days

Day: 22.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 73,290,545 km

• M1: 101,577 km (0.049 R)
• M2: 210,783 km (0.109 R)
• M3: 396,434 km (0.035 R)
• M4: 589,565 km (0.104 R)
• M5: 883,525 km (0.075 R)
• M6: 1,623,286 km (0.079 R)
• M7: 1,808,339 km (0.066 R)
• M8: 2,000,423 km (0.079 R)
• M9: 2,266,857 km (0.112 R)
• M10: 2,651,622 km (0.116 R)
• M11: 3,094,432 km (0.092 R)
• M12: 3,170,577 km (0.11 R)
• M13: 3,882,962 km (0.113 R)
• M14: 4,215,219 km (0.051 R)
• M15: 4,513,368 km (0.096 R)
• M16: 5,040,401 km (0.068 R)
• M17: 5,220,367 km (0.07 R)
• M18: 5,356,801 km (0.117 R)
• M19: 5,448,354 km (0.116 R)
• M20: 6,008,898 km (0.103 R)
• M21: 6,296,126 km (0.054 R)
• M22: 6,636,910 km (0.109 R)
• M23: 8,058,837 km (0.074 R)
• M24: 8,642,419 km (0.1 R)
• M25: 8,912,293 km (0.081 R)
• M26: 10,302,357 km (0.055 R)
• M27: 10,877,112 km (0.054 R)
• M28: 11,344,455 km (0.091 R)
• M29: 11,997,600 km (0.106 R)
• M30: 12,663,011 km (0.105 R)
• M31: 12,724,047 km (0.106 R)
• M32: 13,031,022 km (0.065 R)
• M33: 13,714,684 km (0.071 R)
• M34: 13,966,308 km (0.101 R)
• M35: 14,092,568 km (0.034 R)
• M36: 14,730,005 km (0.117 R)
• M37: 14,794,332 km (0.105 R)
• M38: 15,246,716 km (0.107 R)
• M39: 15,638,213 km (0.105 R)
• M40: 16,297,940 km (0.108 R)
• M41: 17,986,601 km (0.045 R)
• M42: 18,677,593 km (0.118 R)
• M43: 19,447,574 km (0.1 R)
• M44: 19,659,404 km (0.054 R)
• M45: 19,871,983 km (0.072 R)
• M46: 20,802,033 km (0.106 R)
• M47: 20,874,139 km (0.107 R)
• M48: 22,039,506 km (0.106 R)
• M49: 22,630,119 km (0.076 R)
• M50: 23,450,663 km (0.06 R)
• M51: 24,661,359 km (0.053 R)
• M52: 26,437,235 km (0.117 R)
• M53: 27,301,013 km (0.07 R)
• M54: 27,380,001 km (0.096 R)
• M55: 27,935,158 km (0.116 R)
• M56: 28,493,906 km (0.075 R)
• M57: 28,654,126 km (0.055 R)
• M58: 29,298,444 km (0.114 R)
• M59: 29,622,473 km (0.112 R)
• M60: 32,256,442 km (0.11 R)
• M61: 33,601,327 km (0.049 R)
• M62: 35,652,613 km (0.072 R)
• M63: 37,130,042 km (0.096 R)
• M64: 39,517,474 km (0.063 R)
• M65: 40,054,680 km (0.119 R)
• M66: 40,144,439 km (0.035 R)
• M67: 41,317,735 km (0.088 R)
• M68: 42,136,484 km (0.066 R)
• M69: 43,052,472 km (0.12 R)
• M70: 43,328,630 km (0.036 R)
• M71: 43,420,782 km (0.066 R)
• M72: 44,160,394 km (0.073 R)
• M73: 48,015,830 km (0.078 R)
• M74: 48,493,347 km (0.081 R)
• M75: 49,356,825 km (0.095 R)
• M76: 49,742,190 km (0.069 R)
• M77: 50,807,326 km (0.112 R)
• M78: 51,099,042 km (0.105 R)
• M79: 52,075,617 km (0.073 R)
• M80: 54,344,867 km (0.101 R)
• M81: 54,742,947 km (0.102 R)
• M82: 56,747,110 km (0.089 R)
• M83: 58,062,823 km (0.08 R)
• M84: 60,620,947 km (0.11 R)
• M85: 60,930,465 km (0.106 R)
• M86: 62,485,535 km (0.112 R)
• M87: 63,006,734 km (0.118 R)
• M88: 64,789,940 km (0.114 R)
• M89: 65,634,719 km (0.064 R)
• M90: 67,335,348 km (0.11 R)
• M91: 69,805,209 km (0.074 R)
• M92: 69,913,218 km (0.087 R)
• M93: 71,540,694 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 19,088 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit