🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.62 AU - 0.92 AU

Year: 240 Days

Day: 40.8 Hours

Environment

Temp: 197 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,881,515 km

• M1: 240,105 km (0.085 R)
• M2: 336,146 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.04 AU - 1.3 AU

Year: 449 Days

Day: 21 Hours

Environment

Temp: 8 °C

Axial Tilt: 155.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,881,515 km

• M1: 827,426 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.94 AU - 4.32 AU

Year: 2978 Days

Day: 38.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 47.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,881,515 km

• M1: 2,997,642 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.9 AU - 4.48 AU

Year: 3043 Days

Day: 13 Hours

Environment

Temp: -123 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.5

Radius: 8.7

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.26 AU - 7.5 AU

Year: 7112 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 48,881,515 km

• M1: 119,828 km (0.096 R)
• M2: 246,687 km (0.041 R)
• M3: 413,040 km (0.079 R)
• M4: 593,604 km (0.041 R)
• M5: 759,658 km (0.075 R)
• M6: 869,612 km (0.113 R)
• M7: 926,759 km (0.111 R)
• M8: 1,137,093 km (0.071 R)
• M9: 1,216,081 km (0.116 R)
• M10: 2,046,349 km (0.108 R)
• M11: 2,143,438 km (0.055 R)
• M12: 2,362,450 km (0.107 R)
• M13: 2,800,771 km (0.053 R)
• M14: 3,447,184 km (0.05 R)
• M15: 3,516,747 km (0.076 R)
• M16: 3,704,342 km (0.088 R)
• M17: 3,895,229 km (0.039 R)
• M18: 4,163,010 km (0.12 R)
• M19: 4,487,338 km (0.091 R)
• M20: 5,107,421 km (0.101 R)
• M21: 6,003,662 km (0.119 R)
• M22: 6,199,934 km (0.066 R)
• M23: 6,284,756 km (0.083 R)
• M24: 6,427,024 km (0.061 R)
• M25: 7,362,310 km (0.06 R)
• M26: 7,784,774 km (0.114 R)
• M27: 7,968,181 km (0.057 R)
• M28: 8,091,450 km (0.097 R)
• M29: 8,684,904 km (0.082 R)
• M30: 8,843,478 km (0.106 R)
• M31: 9,781,756 km (0.063 R)
• M32: 10,312,978 km (0.075 R)
• M33: 10,480,827 km (0.107 R)
• M34: 11,092,981 km (0.025 R)
• M35: 11,196,054 km (0.118 R)
• M36: 11,681,649 km (0.119 R)
• M37: 12,068,060 km (0.069 R)
• M38: 12,709,237 km (0.119 R)
• M39: 13,434,786 km (0.076 R)
• M40: 13,765,547 km (0.094 R)
• M41: 13,876,549 km (0.079 R)
• M42: 14,661,040 km (0.075 R)
• M43: 14,963,677 km (0.069 R)
• M44: 15,421,446 km (0.105 R)
• M45: 15,498,190 km (0.073 R)
• M46: 15,690,722 km (0.112 R)
• M47: 15,961,494 km (0.069 R)
• M48: 16,664,904 km (0.114 R)
• M49: 16,980,705 km (0.107 R)
• M50: 17,139,428 km (0.062 R)
• M51: 17,778,959 km (0.113 R)
• M52: 18,182,724 km (0.072 R)
• M53: 18,304,496 km (0.046 R)
• M54: 18,507,949 km (0.104 R)
• M55: 18,589,480 km (0.088 R)
• M56: 18,753,140 km (0.112 R)
• M57: 19,619,611 km (0.116 R)
• M58: 19,953,065 km (0.097 R)
• M59: 20,036,690 km (0.096 R)
• M60: 20,541,284 km (0.109 R)
• M61: 21,391,448 km (0.106 R)
• M62: 22,166,365 km (0.026 R)
• M63: 22,339,749 km (0.117 R)
• M64: 22,557,265 km (0.109 R)
• M65: 24,590,599 km (0.066 R)
• M66: 24,950,232 km (0.063 R)
• M67: 25,221,004 km (0.117 R)
• M68: 25,765,690 km (0.114 R)
• M69: 26,360,042 km (0.105 R)
• M70: 26,543,749 km (0.058 R)
• M71: 27,422,636 km (0.103 R)
• M72: 27,795,584 km (0.107 R)
• M73: 27,982,581 km (0.103 R)
• M74: 28,263,975 km (0.103 R)
• M75: 29,637,283 km (0.109 R)
• M76: 30,211,888 km (0.118 R)
• M77: 30,356,101 km (0.1 R)
• M78: 30,548,783 km (0.106 R)
• M79: 30,693,594 km (0.106 R)
• M80: 31,420,789 km (0.054 R)
• M81: 31,859,859 km (0.114 R)
• M82: 32,202,737 km (0.12 R)
• M83: 32,399,308 km (0.05 R)
• M84: 32,991,118 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.1

Radius: 14

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.34 AU - 7.64 AU

Year: 7272 Days

Day: 6.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 48,881,515 km

• M1: 185,053 km (0.104 R)
• M2: 307,274 km (0.057 R)
• M3: 484,099 km (0.04 R)
• M4: 704,456 km (0.086 R)
• M5: 1,091,466 km (0.11 R)
• M6: 1,196,035 km (0.109 R)
• M7: 1,450,351 km (0.104 R)
• M8: 1,722,919 km (0.119 R)
• M9: 2,103,944 km (0.103 R)
• M10: 2,414,360 km (0.036 R)
• M11: 2,568,147 km (0.111 R)
• M12: 2,682,140 km (0.074 R)
• M13: 2,812,440 km (0.113 R)
• M14: 2,930,173 km (0.093 R)
• M15: 3,019,483 km (0.057 R)
• M16: 3,324,214 km (0.099 R)
• M17: 3,914,527 km (0.102 R)
• M18: 4,079,684 km (0.08 R)
• M19: 4,315,001 km (0.042 R)
• M20: 5,392,255 km (0.108 R)
• M21: 5,744,409 km (0.097 R)
• M22: 6,315,873 km (0.1 R)
• M23: 6,845,748 km (0.11 R)
• M24: 7,106,048 km (0.051 R)
• M25: 7,471,815 km (0.04 R)
• M26: 7,657,167 km (0.111 R)
• M27: 7,802,277 km (0.064 R)
• M28: 7,948,434 km (0.104 R)
• M29: 8,179,862 km (0.087 R)
• M30: 8,392,141 km (0.062 R)
• M31: 8,499,104 km (0.105 R)
• M32: 9,040,199 km (0.094 R)
• M33: 9,237,818 km (0.117 R)
• M34: 9,326,081 km (0.115 R)
• M35: 9,481,214 km (0.087 R)
• M36: 10,133,311 km (0.113 R)
• M37: 10,916,306 km (0.075 R)
• M38: 11,599,669 km (0.112 R)
• M39: 11,718,899 km (0.077 R)
• M40: 11,982,640 km (0.093 R)
• M41: 12,418,418 km (0.114 R)
• M42: 13,181,218 km (0.12 R)
• M43: 13,933,994 km (0.057 R)
• M44: 14,341,200 km (0.098 R)
• M45: 14,726,414 km (0.074 R)
• M46: 15,402,447 km (0.108 R)
• M47: 15,902,852 km (0.078 R)
• M48: 16,062,024 km (0.038 R)
• M49: 16,355,086 km (0.12 R)
• M50: 17,490,684 km (0.086 R)
• M51: 17,627,566 km (0.078 R)
• M52: 17,985,254 km (0.087 R)
• M53: 18,123,333 km (0.076 R)
• M54: 18,345,187 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.1

Radius: 11.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.08 AU - 8.8 AU

Year: 8699 Days

Day: 13.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 48,881,515 km

• M1: 202,855 km (0.115 R)
• M2: 289,472 km (0.101 R)
• M3: 367,113 km (0.101 R)
• M4: 443,558 km (0.12 R)
• M5: 578,196 km (0.107 R)
• M6: 757,564 km (0.109 R)
• M7: 1,021,305 km (0.088 R)
• M8: 1,138,739 km (0.116 R)
• M9: 1,576,911 km (0.106 R)
• M10: 1,754,484 km (0.095 R)
• M11: 1,876,705 km (0.113 R)
• M12: 2,086,741 km (0.113 R)
• M13: 2,416,754 km (0.077 R)
• M14: 2,530,448 km (0.074 R)
• M15: 2,645,938 km (0.06 R)
• M16: 2,787,008 km (0.113 R)
• M17: 3,555,792 km (0.032 R)
• M18: 4,359,432 km (0.097 R)
• M19: 4,753,472 km (0.119 R)
• M20: 5,042,047 km (0.076 R)
• M21: 5,455,685 km (0.086 R)
• M22: 5,636,399 km (0.117 R)
• M23: 6,003,662 km (0.025 R)
• M24: 6,410,568 km (0.106 R)
• M25: 6,729,511 km (0.08 R)
• M26: 6,923,539 km (0.097 R)
• M27: 7,053,839 km (0.111 R)
• M28: 7,549,905 km (0.111 R)
• M29: 7,955,016 km (0.091 R)
• M30: 8,401,865 km (0.086 R)
• M31: 8,610,853 km (0.069 R)
• M32: 8,821,637 km (0.109 R)
• M33: 8,927,702 km (0.106 R)
• M34: 9,572,768 km (0.117 R)
• M35: 10,011,090 km (0.09 R)
• M36: 10,195,843 km (0.061 R)
• M37: 10,269,894 km (0.102 R)
• M38: 10,718,837 km (0.118 R)
• M39: 11,059,621 km (0.08 R)
• M40: 11,481,038 km (0.112 R)
• M41: 12,260,892 km (0.051 R)
• M42: 12,498,154 km (0.086 R)
• M43: 12,577,591 km (0.111 R)
• M44: 12,657,326 km (0.053 R)
• M45: 12,977,316 km (0.113 R)
• M46: 13,057,800 km (0.098 R)
• M47: 13,503,302 km (0.097 R)
• M48: 14,201,625 km (0.091 R)
• M49: 14,534,181 km (0.116 R)
• M50: 14,869,430 km (0.104 R)
• M51: 14,995,840 km (0.056 R)
• M52: 15,165,035 km (0.117 R)
• M53: 15,633,127 km (0.07 R)
• M54: 16,149,389 km (0.042 R)
• M55: 16,583,971 km (0.081 R)
• M56: 18,134,852 km (0.111 R)
• M57: 18,950,310 km (0.098 R)
• M58: 19,133,268 km (0.084 R)
• M59: 19,454,605 km (0.064 R)
• M60: 19,916,862 km (0.057 R)
• M61: 20,617,130 km (0.057 R)
• M62: 20,852,447 km (0.102 R)
• M63: 21,041,240 km (0.07 R)
• M64: 21,325,476 km (0.113 R)
• M65: 23,351,031 km (0.107 R)
• M66: 23,547,154 km (0.11 R)
• M67: 25,336,643 km (0.091 R)
• M68: 25,538,152 km (0.102 R)
• M69: 25,892,100 km (0.038 R)
• M70: 26,656,097 km (0.082 R)
• M71: 27,427,423 km (0.086 R)
• M72: 28,886,900 km (0.079 R)
• M73: 29,044,726 km (0.061 R)
• M74: 29,573,105 km (0.12 R)
• M75: 30,424,916 km (0.101 R)
• M76: 31,447,118 km (0.106 R)
• M77: 32,098,467 km (0.114 R)
• M78: 33,857,140 km (0.072 R)
• M79: 34,860,044 km (0.078 R)
• M80: 36,382,651 km (0.114 R)
• M81: 37,696,868 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.8

Radius: 8.5

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.69 AU - 9.55 AU

Year: 9771 Days

Day: 14.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 48,881,515 km

• M1: 205,547 km (0.063 R)
• M2: 337,044 km (0.085 R)
• M3: 500,554 km (0.078 R)
• M4: 561,291 km (0.076 R)
• M5: 742,454 km (0.109 R)
• M6: 1,181,075 km (0.041 R)
• M7: 1,460,823 km (0.101 R)
• M8: 1,574,069 km (0.081 R)
• M9: 1,761,365 km (0.102 R)
• M10: 1,833,472 km (0.062 R)
• M11: 1,980,825 km (0.041 R)
• M12: 2,775,190 km (0.104 R)
• M13: 3,414,272 km (0.111 R)
• M14: 4,389,202 km (0.114 R)
• M15: 4,455,025 km (0.117 R)
• M16: 4,822,437 km (0.113 R)
• M17: 5,586,433 km (0.09 R)
• M18: 6,092,074 km (0.116 R)
• M19: 6,276,229 km (0.089 R)
• M20: 6,350,430 km (0.055 R)
• M21: 6,462,329 km (0.066 R)
• M22: 7,031,399 km (0.04 R)
• M23: 7,108,442 km (0.082 R)
• M24: 7,537,489 km (0.112 R)
• M25: 8,420,715 km (0.099 R)
• M26: 8,958,070 km (0.106 R)
• M27: 9,463,860 km (0.042 R)
• M28: 9,806,140 km (0.096 R)
• M29: 9,892,309 km (0.085 R)
• M30: 10,502,967 km (0.095 R)
• M31: 11,260,830 km (0.098 R)
• M32: 11,898,267 km (0.051 R)
• M33: 12,267,773 km (0.062 R)
• M34: 12,641,020 km (0.066 R)
• M35: 12,923,311 km (0.056 R)
• M36: 13,350,862 km (0.043 R)
• M37: 14,170,957 km (0.116 R)
• M38: 14,415,251 km (0.07 R)
• M39: 15,356,371 km (0.077 R)
• M40: 16,727,735 km (0.096 R)
• M41: 17,089,612 km (0.099 R)
• M42: 17,611,110 km (0.1 R)
• M43: 17,873,804 km (0.096 R)
• M44: 19,045,155 km (0.05 R)
• M45: 20,296,093 km (0.089 R)
• M46: 20,682,055 km (0.091 R)
• M47: 20,792,758 km (0.106 R)
• M48: 21,798,055 km (0.101 R)
• M49: 23,278,177 km (0.115 R)
• M50: 23,682,091 km (0.071 R)
• M51: 23,913,968 km (0.094 R)
• M52: 24,438,607 km (0.09 R)
• M53: 25,736,668 km (0.084 R)
• M54: 26,334,162 km (0.054 R)
• M55: 29,638,480 km (0.06 R)
• M56: 31,721,181 km (0.057 R)
• M57: 31,848,938 km (0.112 R)
• M58: 32,040,872 km (0.091 R)
• M59: 32,618,918 km (0.091 R)
• M60: 33,006,227 km (0.036 R)
• M61: 33,525,032 km (0.069 R)
• M62: 33,915,932 km (0.072 R)
• M63: 34,373,851 km (0.08 R)
• M64: 34,570,722 km (0.09 R)
• M65: 34,702,218 km (0.083 R)
• M66: 34,833,864 km (0.099 R)
• M67: 35,097,605 km (0.114 R)
• M68: 35,229,700 km (0.053 R)
• M69: 35,295,822 km (0.077 R)
• M70: 37,501,045 km (0.119 R)
• M71: 38,790,877 km (0.087 R)
• M72: 39,681,733 km (0.077 R)
• M73: 40,026,257 km (0.098 R)
• M74: 40,440,792 km (0.103 R)
• M75: 41,204,639 km (0.097 R)
• M76: 41,973,273 km (0.058 R)
• M77: 43,808,839 km (0.074 R)
• M78: 43,879,898 km (0.073 R)
• M79: 44,164,882 km (0.037 R)
• M80: 44,593,330 km (0.116 R)
• M81: 45,023,125 km (0.117 R)
• M82: 46,103,670 km (0.027 R)
• M83: 46,248,481 km (0.104 R)
• M84: 46,756,216 km (0.116 R)
• M85: 47,996,831 km (0.099 R)
• M86: 48,143,587 km (0.074 R)
• M87: 48,510,850 km (0.066 R)
• M88: 48,658,054 km (0.107 R)
• M89: 49,100,564 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.9

Radius: 9.3

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.12 AU - 11.68 AU

Year: 11051 Days

Day: 14.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 179.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 48,881,515 km

• M1: 117,135 km (0.05 R)
• M2: 187,895 km (0.083 R)
• M3: 344,075 km (0.103 R)
• M4: 476,918 km (0.034 R)
• M5: 535,411 km (0.067 R)
• M6: 660,923 km (0.116 R)
• M7: 1,345,483 km (0.099 R)
• M8: 1,588,879 km (0.062 R)
• M9: 1,681,031 km (0.063 R)
• M10: 2,142,840 km (0.097 R)
• M11: 2,480,931 km (0.101 R)
• M12: 3,034,144 km (0.067 R)
• M13: 3,443,743 km (0.083 R)
• M14: 3,624,607 km (0.063 R)
• M15: 3,716,310 km (0.043 R)
• M16: 3,870,845 km (0.045 R)
• M17: 4,250,375 km (0.105 R)
• M18: 4,775,164 km (0.079 R)
• M19: 4,977,121 km (0.057 R)
• M20: 5,320,299 km (0.117 R)
• M21: 5,494,730 km (0.114 R)
• M22: 5,706,560 km (0.111 R)
• M23: 6,174,802 km (0.105 R)
• M24: 6,580,810 km (0.069 R)
• M25: 7,418,409 km (0.052 R)
• M26: 7,692,023 km (0.059 R)
• M27: 7,968,929 km (0.118 R)
• M28: 9,067,576 km (0.049 R)
• M29: 9,318,302 km (0.109 R)
• M30: 10,213,196 km (0.113 R)
• M31: 10,343,346 km (0.117 R)
• M32: 10,430,412 km (0.092 R)
• M33: 10,781,070 km (0.115 R)
• M34: 11,091,037 km (0.085 R)
• M35: 11,269,507 km (0.077 R)
• M36: 11,765,125 km (0.119 R)
• M37: 12,777,753 km (0.102 R)
• M38: 13,011,873 km (0.071 R)
• M39: 13,247,340 km (0.097 R)
• M40: 13,627,020 km (0.072 R)
• M41: 13,914,098 km (0.073 R)
• M42: 14,203,271 km (0.078 R)
• M43: 15,082,607 km (0.05 R)
• M44: 15,280,375 km (0.081 R)
• M45: 15,479,041 km (0.102 R)
• M46: 15,979,446 km (0.074 R)
• M47: 17,099,037 km (0.095 R)
• M48: 18,772,289 km (0.093 R)
• M49: 21,656,237 km (0.109 R)
• M50: 21,879,437 km (0.093 R)
• M51: 23,635,117 km (0.12 R)
• M52: 24,268,963 km (0.066 R)
• M53: 24,617,078 km (0.082 R)
• M54: 24,791,808 km (0.091 R)
• M55: 24,850,001 km (0.051 R)
• M56: 25,435,677 km (0.1 R)
• M57: 25,612,352 km (0.084 R)
• M58: 25,848,418 km (0.119 R)
• M59: 26,203,862 km (0.112 R)
• M60: 27,039,516 km (0.043 R)
• M61: 27,219,781 km (0.056 R)
• M62: 28,066,206 km (0.099 R)
• M63: 28,126,943 km (0.102 R)
• M64: 29,228,582 km (0.054 R)
• M65: 29,413,485 km (0.049 R)
• M66: 31,032,881 km (0.103 R)
• M67: 31,158,693 km (0.068 R)
• M68: 31,726,716 km (0.077 R)
• M69: 34,357,395 km (0.115 R)
• M70: 34,878,893 km (0.117 R)
• M71: 35,271,737 km (0.112 R)
• M72: 35,534,431 km (0.074 R)
• M73: 37,190,779 km (0.116 R)
• M74: 38,669,254 km (0.078 R)
• M75: 39,415,598 km (0.113 R)
• M76: 39,756,532 km (0.098 R)
• M77: 39,824,748 km (0.042 R)
• M78: 40,716,052 km (0.052 R)
• M79: 41,060,726 km (0.108 R)
• M80: 42,378,833 km (0.056 R)
• M81: 42,658,132 km (0.091 R)
• M82: 42,797,856 km (0.112 R)
• M83: 44,772,100 km (0.086 R)
• M84: 45,198,902 km (0.113 R)
• M85: 45,627,201 km (0.119 R)
• M86: 47,860,996 km (0.09 R)
• M87: 48,151,815 km (0.098 R)
• M88: 48,224,669 km (0.063 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 19,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit