🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 11.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.62 AU - 0.7 AU

Year: 358 Days

Day: 13 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,620,616 km

• M1: 180,864 km (0.035 R)
• M2: 315,652 km (0.084 R)
• M3: 428,448 km (0.113 R)
• M4: 499,956 km (0.09 R)
• M5: 570,566 km (0.117 R)
• M6: 697,276 km (0.089 R)
• M7: 996,322 km (0.087 R)
• M8: 1,069,774 km (0.105 R)
• M9: 1,259,614 km (0.064 R)
• M10: 1,374,056 km (0.12 R)
• M11: 1,447,808 km (0.115 R)
• M12: 1,545,496 km (0.11 R)
• M13: 1,636,451 km (0.101 R)
• M14: 1,738,477 km (0.081 R)
• M15: 1,809,386 km (0.058 R)
• M16: 1,910,215 km (0.105 R)
• M17: 1,983,518 km (0.079 R)
• M18: 2,077,765 km (0.078 R)
• M19: 2,183,830 km (0.091 R)
• M20: 2,281,218 km (0.113 R)
• M21: 2,438,296 km (0.098 R)
• M22: 2,604,349 km (0.119 R)
• M23: 2,813,038 km (0.088 R)
• M24: 2,942,141 km (0.107 R)
• M25: 3,027,412 km (0.062 R)
• M26: 3,125,100 km (0.081 R)
• M27: 3,359,071 km (0.116 R)
• M28: 3,430,429 km (0.081 R)
• M29: 3,568,657 km (0.109 R)
• M30: 3,770,166 km (0.117 R)
• M31: 3,913,032 km (0.098 R)
• M32: 4,057,543 km (0.107 R)
• M33: 4,203,850 km (0.114 R)
• M34: 4,280,893 km (0.102 R)
• M35: 4,371,549 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.3

Radius: 12.8

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.82 AU - 1.22 AU

Year: 687 Days

Day: 11 Hours

Environment

Temp: -183 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 57,620,616 km

• M1: 168,746 km (0.076 R)
• M2: 249,230 km (0.071 R)
• M3: 347,815 km (0.108 R)
• M4: 437,125 km (0.1 R)
• M5: 544,835 km (0.047 R)
• M6: 655,388 km (0.099 R)
• M7: 815,009 km (0.107 R)
• M8: 921,523 km (0.101 R)
• M9: 1,073,215 km (0.09 R)
• M10: 1,175,839 km (0.098 R)
• M11: 1,265,897 km (0.068 R)
• M12: 1,352,963 km (0.087 R)
• M13: 1,522,009 km (0.057 R)
• M14: 1,770,790 km (0.082 R)
• M15: 1,956,890 km (0.096 R)
• M16: 2,078,214 km (0.106 R)
• M17: 2,189,066 km (0.088 R)
• M18: 2,450,862 km (0.062 R)
• M19: 2,554,234 km (0.113 R)
• M20: 2,701,738 km (0.099 R)
• M21: 2,917,308 km (0.106 R)
• M22: 3,289,358 km (0.096 R)
• M23: 3,380,912 km (0.116 R)
• M24: 3,590,349 km (0.11 R)
• M25: 3,676,816 km (0.043 R)
• M26: 3,803,975 km (0.119 R)
• M27: 3,932,629 km (0.071 R)
• M28: 4,054,551 km (0.117 R)
• M29: 4,161,214 km (0.08 R)
• M30: 4,335,645 km (0.069 R)
• M31: 4,512,470 km (0.094 R)
• M32: 4,657,431 km (0.099 R)
• M33: 4,856,096 km (0.073 R)
• M34: 4,995,970 km (0.076 R)
• M35: 5,146,017 km (0.09 R)
• M36: 5,752,188 km (0.115 R)
• M37: 5,863,189 km (0.093 R)
• M38: 5,946,964 km (0.118 R)
• M39: 6,096,712 km (0.072 R)
• M40: 6,181,683 km (0.102 R)
• M41: 6,333,375 km (0.107 R)
• M42: 6,534,585 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.9

Radius: 11.1

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.17 AU - 1.29 AU

Year: 910 Days

Day: 15 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 57,620,616 km

• M1: 151,393 km (0.119 R)
• M2: 245,191 km (0.103 R)
• M3: 331,060 km (0.094 R)
• M4: 428,000 km (0.036 R)
• M5: 504,145 km (0.046 R)
• M6: 636,838 km (0.059 R)
• M7: 737,966 km (0.12 R)
• M8: 1,019,809 km (0.105 R)
• M9: 1,127,968 km (0.092 R)
• M10: 1,200,224 km (0.075 R)
• M11: 1,314,965 km (0.109 R)
• M12: 1,483,712 km (0.102 R)
• M13: 1,578,108 km (0.111 R)
• M14: 1,704,817 km (0.093 R)
• M15: 1,921,136 km (0.065 R)
• M16: 2,000,572 km (0.072 R)
• M17: 2,073,127 km (0.086 R)
• M18: 2,162,886 km (0.09 R)
• M19: 2,245,763 km (0.078 R)
• M20: 2,500,977 km (0.053 R)
• M21: 2,676,306 km (0.044 R)
• M22: 2,938,102 km (0.068 R)
• M23: 3,039,530 km (0.062 R)
• M24: 3,227,125 km (0.107 R)
• M25: 3,341,418 km (0.119 R)
• M26: 3,437,909 km (0.051 R)
• M27: 3,574,342 km (0.112 R)
• M28: 3,722,743 km (0.064 R)
• M29: 3,863,066 km (0.115 R)
• M30: 3,974,516 km (0.089 R)
• M31: 4,294,506 km (0.119 R)
• M32: 4,389,052 km (0.118 R)
• M33: 4,516,210 km (0.031 R)
• M34: 4,590,859 km (0.116 R)
• M35: 4,741,505 km (0.072 R)
• M36: 4,937,777 km (0.115 R)
• M37: 5,259,562 km (0.087 R)
• M38: 5,772,383 km (0.099 R)
• M39: 6,135,009 km (0.107 R)
• M40: 6,253,640 km (0.079 R)
• M41: 6,433,008 km (0.047 R)
• M42: 6,968,867 km (0.103 R)
• M43: 7,080,318 km (0.09 R)
• M44: 7,229,766 km (0.054 R)
• M45: 7,317,430 km (0.112 R)
• M46: 7,595,383 km (0.047 R)
• M47: 7,851,046 km (0.075 R)
• M48: 8,044,625 km (0.109 R)
• M49: 8,122,566 km (0.118 R)
• M50: 8,370,898 km (0.12 R)
• M51: 8,515,859 km (0.038 R)
• M52: 8,661,567 km (0.09 R)
• M53: 8,861,729 km (0.105 R)
• M54: 9,063,387 km (0.1 R)

Asteroid Belt

Center: 2.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.2

Radius: 14.3

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.75 AU - 4.07 AU

Year: 5156 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 57,620,616 km

• M1: 200,910 km (0.117 R)
• M2: 291,267 km (0.079 R)
• M3: 471,383 km (0.097 R)
• M4: 565,779 km (0.105 R)
• M5: 1,275,023 km (0.119 R)
• M6: 1,610,870 km (0.082 R)
• M7: 1,797,718 km (0.114 R)
• M8: 2,041,712 km (0.098 R)
• M9: 2,210,458 km (0.061 R)
• M10: 2,490,655 km (0.077 R)
• M11: 2,801,220 km (0.115 R)
• M12: 3,047,309 km (0.073 R)
• M13: 3,380,164 km (0.044 R)
• M14: 4,017,451 km (0.09 R)
• M15: 4,188,142 km (0.055 R)
• M16: 4,361,227 km (0.099 R)
• M17: 4,470,583 km (0.118 R)
• M18: 4,781,896 km (0.097 R)
• M19: 5,355,604 km (0.104 R)
• M20: 5,543,947 km (0.091 R)
• M21: 5,662,728 km (0.107 R)
• M22: 5,830,427 km (0.043 R)
• M23: 6,048,691 km (0.064 R)
• M24: 6,244,814 km (0.079 R)
• M25: 6,820,915 km (0.107 R)
• M26: 7,597,926 km (0.096 R)
• M27: 8,457,665 km (0.037 R)
• M28: 8,677,424 km (0.057 R)
• M29: 9,235,275 km (0.044 R)
• M30: 10,239,525 km (0.044 R)
• M31: 10,444,624 km (0.072 R)
• M32: 10,591,978 km (0.088 R)
• M33: 10,799,321 km (0.05 R)
• M34: 10,918,401 km (0.051 R)
• M35: 11,338,771 km (0.114 R)
• M36: 12,102,767 km (0.105 R)
• M37: 12,319,684 km (0.105 R)
• M38: 12,600,479 km (0.075 R)
• M39: 13,455,580 km (0.107 R)
• M40: 13,583,786 km (0.042 R)
• M41: 15,088,292 km (0.12 R)
• M42: 15,255,093 km (0.11 R)
• M43: 15,927,984 km (0.064 R)
• M44: 16,097,778 km (0.108 R)
• M45: 16,886,608 km (0.105 R)
• M46: 17,059,692 km (0.057 R)
• M47: 17,163,962 km (0.051 R)
• M48: 18,823,601 km (0.072 R)
• M49: 19,219,437 km (0.11 R)
• M50: 21,164,808 km (0.102 R)
• M51: 21,351,655 km (0.049 R)
• M52: 21,764,396 km (0.106 R)
• M53: 22,179,979 km (0.071 R)
• M54: 22,674,400 km (0.087 R)
• M55: 23,057,221 km (0.106 R)
• M56: 23,596,671 km (0.113 R)
• M57: 23,829,146 km (0.108 R)
• M58: 24,884,858 km (0.114 R)
• M59: 25,478,013 km (0.069 R)
• M60: 25,876,093 km (0.088 R)
• M61: 26,276,118 km (0.093 R)
• M62: 26,436,786 km (0.115 R)
• M63: 26,920,436 km (0.096 R)
• M64: 27,041,909 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.6

Radius: 10.1

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.33 AU - 4.59 AU

Year: 6281 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 57,620,616 km

• M1: 143,315 km (0.119 R)
• M2: 250,427 km (0.079 R)
• M3: 324,328 km (0.078 R)
• M4: 478,564 km (0.084 R)
• M5: 632,350 km (0.053 R)
• M6: 958,773 km (0.107 R)
• M7: 1,090,120 km (0.046 R)
• M8: 1,335,011 km (0.058 R)
• M9: 1,520,812 km (0.085 R)
• M10: 1,775,428 km (0.102 R)
• M11: 2,107,535 km (0.119 R)
• M12: 2,259,077 km (0.06 R)
• M13: 2,369,630 km (0.065 R)
• M14: 2,504,717 km (0.089 R)
• M15: 2,573,233 km (0.077 R)
• M16: 2,712,209 km (0.117 R)
• M17: 2,782,670 km (0.095 R)
• M18: 3,571,948 km (0.104 R)
• M19: 3,675,320 km (0.062 R)
• M20: 3,885,057 km (0.084 R)
• M21: 3,991,570 km (0.074 R)
• M22: 4,125,909 km (0.107 R)
• M23: 4,538,051 km (0.039 R)
• M24: 5,137,340 km (0.079 R)
• M25: 5,491,139 km (0.034 R)
• M26: 5,944,271 km (0.064 R)
• M27: 6,315,723 km (0.104 R)
• M28: 6,567,496 km (0.104 R)
• M29: 6,662,790 km (0.096 R)
• M30: 8,078,435 km (0.082 R)
• M31: 8,214,718 km (0.073 R)
• M32: 9,190,396 km (0.05 R)
• M33: 9,619,741 km (0.087 R)
• M34: 9,982,516 km (0.119 R)
• M35: 10,535,280 km (0.12 R)
• M36: 10,721,679 km (0.086 R)
• M37: 11,060,070 km (0.089 R)
• M38: 11,173,615 km (0.098 R)
• M39: 11,325,606 km (0.063 R)
• M40: 11,593,386 km (0.052 R)
• M41: 12,923,311 km (0.117 R)
• M42: 13,323,635 km (0.064 R)
• M43: 13,444,510 km (0.115 R)
• M44: 14,013,581 km (0.096 R)
• M45: 14,798,371 km (0.12 R)
• M46: 15,639,859 km (0.078 R)
• M47: 16,109,297 km (0.07 R)
• M48: 16,238,250 km (0.107 R)
• M49: 16,410,587 km (0.059 R)
• M50: 17,105,918 km (0.111 R)
• M51: 17,457,174 km (0.115 R)
• M52: 17,677,980 km (0.112 R)
• M53: 18,390,814 km (0.113 R)
• M54: 19,022,117 km (0.069 R)
• M55: 19,112,923 km (0.112 R)
• M56: 19,568,897 km (0.043 R)
• M57: 19,982,386 km (0.099 R)
• M58: 20,538,292 km (0.096 R)
• M59: 20,631,491 km (0.111 R)
• M60: 21,381,575 km (0.107 R)
• M61: 22,715,838 km (0.053 R)
• M62: 23,538,926 km (0.109 R)
• M63: 24,322,669 km (0.101 R)
• M64: 24,618,723 km (0.064 R)
• M65: 25,065,123 km (0.053 R)
• M66: 25,614,297 km (0.103 R)
• M67: 26,470,894 km (0.06 R)
• M68: 27,953,709 km (0.067 R)
• M69: 28,992,067 km (0.066 R)
• M70: 29,779,102 km (0.119 R)
• M71: 29,884,568 km (0.117 R)
• M72: 30,095,800 km (0.112 R)
• M73: 30,360,589 km (0.052 R)
• M74: 32,236,097 km (0.115 R)
• M75: 32,452,715 km (0.088 R)
• M76: 32,724,385 km (0.084 R)
• M77: 33,269,818 km (0.109 R)
• M78: 33,818,244 km (0.038 R)
• M79: 37,341,573 km (0.062 R)
• M80: 37,854,245 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661

Radius: 5.4

Gravity: 22.67 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.67 AU - 8.39 AU

Year: 15174 Days

Day: 25 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 57,620,616 km

• M1: 314,156 km (0.109 R)
• M2: 424,858 km (0.09 R)
• M3: 511,774 km (0.115 R)
• M4: 604,974 km (0.054 R)
• M5: 917,484 km (0.072 R)
• M6: 962,513 km (0.104 R)
• M7: 1,031,777 km (0.107 R)
• M8: 1,480,869 km (0.073 R)
• M9: 1,561,203 km (0.099 R)
• M10: 1,670,410 km (0.112 R)
• M11: 1,839,156 km (0.083 R)
• M12: 2,162,736 km (0.12 R)
• M13: 2,632,025 km (0.12 R)
• M14: 2,962,038 km (0.103 R)
• M15: 2,995,697 km (0.077 R)
• M16: 3,063,615 km (0.104 R)
• M17: 3,624,607 km (0.059 R)
• M18: 4,216,715 km (0.089 R)
• M19: 4,719,813 km (0.088 R)
• M20: 5,697,435 km (0.086 R)
• M21: 6,558,371 km (0.102 R)
• M22: 7,003,873 km (0.117 R)
• M23: 7,139,558 km (0.053 R)
• M24: 7,551,401 km (0.077 R)
• M25: 7,736,903 km (0.087 R)
• M26: 8,207,388 km (0.044 R)
• M27: 9,175,885 km (0.058 R)
• M28: 9,824,541 km (0.107 R)
• M29: 10,333,623 km (0.074 R)
• M30: 11,430,325 km (0.051 R)
• M31: 11,536,689 km (0.086 R)
• M32: 12,783,288 km (0.111 R)
• M33: 12,893,691 km (0.049 R)
• M34: 13,394,395 km (0.108 R)
• M35: 13,619,091 km (0.055 R)
• M36: 14,414,952 km (0.112 R)
• M37: 18,302,701 km (0.112 R)
• M38: 18,614,463 km (0.104 R)
• M39: 19,560,071 km (0.048 R)
• M40: 20,006,621 km (0.085 R)
• M41: 20,199,153 km (0.101 R)
• M42: 22,289,784 km (0.041 R)
• M43: 23,225,817 km (0.112 R)
• M44: 23,360,605 km (0.07 R)
• M45: 23,563,310 km (0.057 R)
• M46: 23,630,928 km (0.109 R)
• M47: 24,998,103 km (0.103 R)
• M48: 25,970,190 km (0.096 R)
• M49: 26,320,399 km (0.096 R)
• M50: 26,460,871 km (0.095 R)
• M51: 27,238,182 km (0.111 R)
• M52: 27,594,075 km (0.091 R)
• M53: 27,665,433 km (0.109 R)
• M54: 27,808,299 km (0.07 R)
• M55: 28,382,157 km (0.111 R)
• M56: 28,598,475 km (0.097 R)
• M57: 28,815,243 km (0.095 R)
• M58: 29,468,836 km (0.046 R)
• M59: 30,053,913 km (0.116 R)
• M60: 31,012,835 km (0.081 R)
• M61: 31,161,236 km (0.115 R)
• M62: 33,036,446 km (0.039 R)
• M63: 33,491,822 km (0.116 R)
• M64: 33,949,292 km (0.084 R)
• M65: 36,816,036 km (0.039 R)
• M66: 40,001,423 km (0.103 R)
• M67: 40,082,057 km (0.114 R)
• M68: 43,025,245 km (0.091 R)
• M69: 43,356,604 km (0.059 R)
• M70: 44,271,994 km (0.116 R)
• M71: 48,082,700 km (0.076 R)
• M72: 49,203,039 km (0.115 R)
• M73: 49,636,125 km (0.071 R)
• M74: 50,943,311 km (0.045 R)
• M75: 51,997,078 km (0.11 R)
• M76: 53,235,599 km (0.088 R)
• M77: 57,554,938 km (0.088 R)
• M78: 59,019,651 km (0.061 R)
• M79: 59,111,504 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.3

Radius: 6.1

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.51 AU - 10.23 AU

Year: 20678 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 57,620,616 km

• M1: 109,506 km (0.112 R)
• M2: 1,187,657 km (0.12 R)
• M3: 1,234,182 km (0.072 R)
• M4: 1,603,689 km (0.029 R)
• M5: 2,378,756 km (0.075 R)
• M6: 2,528,054 km (0.079 R)
• M7: 2,680,345 km (0.094 R)
• M8: 2,962,038 km (0.115 R)
• M9: 3,155,019 km (0.105 R)
• M10: 3,253,155 km (0.114 R)
• M11: 3,793,353 km (0.114 R)
• M12: 3,862,767 km (0.105 R)
• M13: 4,003,089 km (0.118 R)
• M14: 4,917,132 km (0.109 R)
• M15: 5,184,314 km (0.098 R)
• M16: 5,261,507 km (0.108 R)
• M17: 6,176,597 km (0.081 R)
• M18: 6,464,722 km (0.108 R)
• M19: 6,631,374 km (0.119 R)
• M20: 6,673,262 km (0.084 R)
• M21: 7,704,889 km (0.11 R)
• M22: 7,925,994 km (0.119 R)
• M23: 8,374,489 km (0.111 R)
• M24: 8,465,145 km (0.117 R)
• M25: 8,647,505 km (0.093 R)
• M26: 9,016,114 km (0.106 R)
• M27: 9,626,174 km (0.094 R)
• M28: 11,034,339 km (0.092 R)
• M29: 11,084,005 km (0.102 R)
• M30: 12,869,755 km (0.082 R)
• M31: 14,524,607 km (0.077 R)
• M32: 15,349,041 km (0.027 R)
• M33: 16,245,132 km (0.111 R)
• M34: 17,331,213 km (0.108 R)
• M35: 17,388,957 km (0.062 R)
• M36: 18,029,087 km (0.119 R)
• M37: 18,499,422 km (0.032 R)
• M38: 18,736,236 km (0.092 R)
• M39: 21,405,361 km (0.095 R)
• M40: 21,591,610 km (0.113 R)
• M41: 24,644,454 km (0.118 R)
• M42: 24,970,129 km (0.103 R)
• M43: 26,686,615 km (0.11 R)
• M44: 27,088,135 km (0.119 R)
• M45: 27,356,963 km (0.032 R)
• M46: 28,100,614 km (0.076 R)
• M47: 28,168,531 km (0.085 R)
• M48: 29,607,812 km (0.091 R)
• M49: 30,790,383 km (0.092 R)
• M50: 31,705,174 km (0.025 R)
• M51: 31,846,694 km (0.087 R)
• M52: 32,343,658 km (0.025 R)
• M53: 32,628,792 km (0.088 R)
• M54: 32,843,165 km (0.12 R)
• M55: 33,129,795 km (0.117 R)
• M56: 33,561,235 km (0.115 R)
• M57: 34,066,876 km (0.096 R)
• M58: 35,672,659 km (0.063 R)
• M59: 36,262,673 km (0.108 R)
• M60: 41,870,649 km (0.116 R)
• M61: 42,181,513 km (0.109 R)
• M62: 43,118,295 km (0.11 R)
• M63: 44,140,946 km (0.047 R)
• M64: 45,330,698 km (0.029 R)
• M65: 47,175,539 km (0.107 R)
• M66: 47,256,322 km (0.117 R)
• M67: 51,269,733 km (0.099 R)
• M68: 52,185,721 km (0.115 R)
• M69: 53,106,945 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 11,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit