🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.52 AU - 0.54 AU

Year: 168 Days

Day: 23.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 24 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.01 AU - 1.67 AU

Year: 677 Days

Day: 27.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.53 AU - 2.23 AU

Year: 1125 Days

Day: 43.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.88 AU - 2.96 AU

Year: 1643 Days

Day: 31.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 10.4

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.79 AU - 4.35 AU

Year: 2945 Days

Day: 10.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 98,953,108 km

• M1: 149,448 km (0.074 R)
• M2: 264,639 km (0.074 R)
• M3: 725,400 km (0.068 R)
• M4: 1,051,075 km (0.114 R)
• M5: 1,262,905 km (0.076 R)
• M6: 1,354,160 km (0.116 R)
• M7: 1,488,648 km (0.116 R)
• M8: 1,874,461 km (0.08 R)
• M9: 1,979,629 km (0.117 R)
• M10: 2,148,973 km (0.098 R)
• M11: 2,469,113 km (0.045 R)
• M12: 2,685,581 km (0.087 R)
• M13: 2,753,349 km (0.104 R)
• M14: 2,839,068 km (0.089 R)
• M15: 3,013,051 km (0.066 R)
• M16: 3,137,067 km (0.112 R)
• M17: 3,353,535 km (0.087 R)
• M18: 3,593,790 km (0.047 R)
• M19: 3,763,284 km (0.074 R)
• M20: 3,839,579 km (0.063 R)
• M21: 4,071,456 km (0.088 R)
• M22: 4,387,706 km (0.111 R)
• M23: 4,794,462 km (0.113 R)
• M24: 5,149,757 km (0.081 R)
• M25: 5,513,579 km (0.105 R)
• M26: 5,600,346 km (0.116 R)
• M27: 5,687,711 km (0.09 R)
• M28: 5,974,640 km (0.109 R)
• M29: 6,108,679 km (0.087 R)
• M30: 6,357,012 km (0.086 R)
• M31: 6,539,671 km (0.099 R)
• M32: 6,631,674 km (0.1 R)
• M33: 6,957,199 km (0.115 R)
• M34: 7,098,269 km (0.111 R)
• M35: 7,311,746 km (0.09 R)
• M36: 7,431,125 km (0.06 R)
• M37: 7,503,231 km (0.104 R)
• M38: 7,769,216 km (0.119 R)
• M39: 7,940,206 km (0.083 R)
• M40: 8,236,260 km (0.064 R)
• M41: 8,385,559 km (0.117 R)
• M42: 8,636,435 km (0.074 R)
• M43: 8,737,563 km (0.109 R)
• M44: 9,274,769 km (0.092 R)
• M45: 9,482,111 km (0.086 R)
• M46: 9,691,100 km (0.113 R)
• M47: 9,848,925 km (0.112 R)
• M48: 9,981,020 km (0.1 R)
• M49: 10,731,702 km (0.066 R)
• M50: 11,251,555 km (0.107 R)
• M51: 12,258,947 km (0.094 R)
• M52: 12,629,800 km (0.12 R)
• M53: 13,149,354 km (0.097 R)
• M54: 13,236,719 km (0.064 R)
• M55: 13,382,577 km (0.104 R)
• M56: 13,529,033 km (0.09 R)
• M57: 13,823,591 km (0.115 R)
• M58: 14,992,250 km (0.104 R)
• M59: 15,113,873 km (0.079 R)
• M60: 15,388,834 km (0.116 R)
• M61: 15,881,759 km (0.047 R)
• M62: 16,098,975 km (0.096 R)
• M63: 16,442,452 km (0.098 R)
• M64: 17,041,292 km (0.117 R)
• M65: 17,263,744 km (0.092 R)
• M66: 17,455,229 km (0.079 R)
• M67: 18,228,052 km (0.073 R)
• M68: 18,553,427 km (0.092 R)
• M69: 18,847,836 km (0.117 R)
• M70: 19,341,957 km (0.106 R)
• M71: 19,673,766 km (0.093 R)
• M72: 19,873,778 km (0.051 R)
• M73: 21,019,847 km (0.081 R)
• M74: 21,360,930 km (0.066 R)
• M75: 21,429,446 km (0.084 R)
• M76: 21,497,962 km (0.109 R)
• M77: 21,635,293 km (0.105 R)
• M78: 21,703,958 km (0.081 R)
• M79: 23,622,850 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.3

Radius: 13.1

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.33 AU - 8.57 AU

Year: 7999 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 98,953,108 km

• M1: 166,652 km (0.109 R)
• M2: 414,835 km (0.082 R)
• M3: 590,912 km (0.105 R)
• M4: 859,141 km (0.105 R)
• M5: 1,078,152 km (0.073 R)
• M6: 1,531,433 km (0.09 R)
• M7: 1,674,748 km (0.079 R)
• M8: 1,779,915 km (0.112 R)
• M9: 2,019,571 km (0.11 R)
• M10: 2,132,069 km (0.074 R)
• M11: 2,530,747 km (0.097 R)
• M12: 2,978,643 km (0.103 R)
• M13: 3,159,806 km (0.104 R)
• M14: 3,614,883 km (0.036 R)
• M15: 4,351,054 km (0.047 R)
• M16: 4,527,729 km (0.084 R)
• M17: 4,766,787 km (0.096 R)
• M18: 5,040,850 km (0.093 R)
• M19: 5,572,670 km (0.065 R)
• M20: 6,155,504 km (0.116 R)
• M21: 7,379,065 km (0.107 R)
• M22: 7,803,474 km (0.117 R)
• M23: 8,787,529 km (0.092 R)
• M24: 9,011,477 km (0.082 R)
• M25: 9,427,209 km (0.063 R)
• M26: 9,810,479 km (0.055 R)
• M27: 10,316,419 km (0.08 R)
• M28: 10,434,451 km (0.099 R)
• M29: 12,971,931 km (0.107 R)
• M30: 14,221,522 km (0.066 R)
• M31: 14,484,814 km (0.117 R)
• M32: 14,838,463 km (0.089 R)
• M33: 14,927,324 km (0.075 R)
• M34: 15,329,294 km (0.097 R)
• M35: 15,419,202 km (0.045 R)
• M36: 15,554,139 km (0.083 R)
• M37: 15,870,988 km (0.082 R)
• M38: 16,327,112 km (0.118 R)
• M39: 16,833,949 km (0.081 R)
• M40: 17,299,049 km (0.107 R)
• M41: 17,392,697 km (0.099 R)
• M42: 17,768,637 km (0.095 R)
• M43: 18,194,691 km (0.061 R)
• M44: 18,720,079 km (0.06 R)
• M45: 19,057,123 km (0.062 R)
• M46: 19,444,582 km (0.109 R)
• M47: 19,834,733 km (0.079 R)
• M48: 20,129,141 km (0.114 R)
• M49: 20,375,529 km (0.069 R)
• M50: 20,821,630 km (0.09 R)
• M51: 21,070,710 km (0.112 R)
• M52: 21,270,872 km (0.115 R)
• M53: 21,421,368 km (0.107 R)
• M54: 22,077,504 km (0.108 R)
• M55: 22,382,534 km (0.095 R)
• M56: 22,586,735 km (0.102 R)
• M57: 22,894,159 km (0.108 R)
• M58: 23,202,929 km (0.116 R)
• M59: 23,409,524 km (0.088 R)
• M60: 23,668,627 km (0.087 R)
• M61: 23,876,718 km (0.081 R)
• M62: 24,189,826 km (0.112 R)
• M63: 24,767,573 km (0.094 R)
• M64: 26,420,031 km (0.096 R)
• M65: 26,906,374 km (0.119 R)
• M66: 28,052,892 km (0.068 R)
• M67: 28,217,898 km (0.103 R)
• M68: 28,881,515 km (0.099 R)
• M69: 28,992,516 km (0.103 R)
• M70: 29,270,918 km (0.098 R)
• M71: 30,111,359 km (0.1 R)
• M72: 30,506,297 km (0.061 R)
• M73: 31,415,403 km (0.119 R)
• M74: 31,988,213 km (0.103 R)
• M75: 33,144,007 km (0.074 R)
• M76: 36,392,375 km (0.117 R)
• M77: 36,692,767 km (0.082 R)
• M78: 37,174,921 km (0.091 R)
• M79: 37,841,529 km (0.106 R)
• M80: 38,328,770 km (0.077 R)
• M81: 39,864,691 km (0.063 R)
• M82: 40,422,541 km (0.111 R)
• M83: 41,107,849 km (0.053 R)
• M84: 41,232,913 km (0.067 R)
• M85: 41,483,340 km (0.109 R)
• M86: 42,174,632 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.46 AU - 8.14 AU

Year: 9510 Days

Day: 13 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 98,953,108 km

• M1: 406,607 km (0.118 R)
• M2: 569,669 km (0.045 R)
• M3: 681,568 km (0.079 R)
• M4: 744,997 km (0.094 R)
• M5: 810,521 km (0.096 R)
• M6: 917,933 km (0.1 R)
• M7: 1,223,711 km (0.057 R)
• M8: 1,302,249 km (0.088 R)
• M9: 1,452,745 km (0.078 R)
• M10: 1,596,808 km (0.065 R)
• M11: 1,670,709 km (0.047 R)
• M12: 1,745,658 km (0.119 R)
• M13: 1,809,087 km (0.114 R)
• M14: 2,629,033 km (0.081 R)
• M15: 2,702,186 km (0.081 R)
• M16: 3,062,268 km (0.1 R)
• M17: 3,517,495 km (0.082 R)
• M18: 3,646,897 km (0.066 R)
• M19: 3,843,917 km (0.081 R)
• M20: 4,386,509 km (0.118 R)
• M21: 4,702,310 km (0.074 R)
• M22: 4,898,881 km (0.113 R)
• M23: 5,171,299 km (0.109 R)
• M24: 5,448,803 km (0.094 R)
• M25: 5,542,302 km (0.059 R)
• M26: 5,769,092 km (0.116 R)
• M27: 6,212,351 km (0.095 R)
• M28: 6,329,785 km (0.097 R)
• M29: 7,419,456 km (0.047 R)
• M30: 7,648,490 km (0.077 R)
• M31: 8,113,590 km (0.105 R)
• M32: 8,220,553 km (0.084 R)
• M33: 8,479,357 km (0.104 R)
• M34: 9,093,456 km (0.06 R)
• M35: 9,293,768 km (0.083 R)
• M36: 9,360,937 km (0.062 R)
• M37: 10,018,270 km (0.107 R)
• M38: 10,690,563 km (0.116 R)
• M39: 11,353,282 km (0.104 R)
• M40: 11,593,237 km (0.097 R)
• M41: 11,810,602 km (0.029 R)
• M42: 12,200,454 km (0.083 R)
• M43: 12,323,125 km (0.093 R)
• M44: 13,042,840 km (0.057 R)
• M45: 14,109,174 km (0.046 R)
• M46: 15,045,207 km (0.111 R)
• M47: 16,378,424 km (0.104 R)
• M48: 16,840,232 km (0.045 R)
• M49: 16,949,588 km (0.09 R)
• M50: 18,786,800 km (0.104 R)
• M51: 18,871,771 km (0.115 R)
• M52: 19,013,740 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.7

Radius: 3.2

Gravity: 63.64 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 11.91 AU - 12.19 AU

Year: 18261 Days

Day: 23.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 98,953,108 km

• M1: 57,595 km (0.092 R)
• M2: 269,426 km (0.096 R)
• M3: 645,664 km (0.105 R)
• M4: 667,506 km (0.114 R)
• M5: 1,233,285 km (0.107 R)
• M6: 1,399,787 km (0.107 R)
• M7: 1,485,656 km (0.092 R)
• M8: 1,573,171 km (0.118 R)
• M9: 1,908,719 km (0.094 R)
• M10: 2,929,426 km (0.11 R)
• M11: 3,002,579 km (0.098 R)
• M12: 3,687,737 km (0.098 R)
• M13: 4,211,180 km (0.102 R)
• M14: 4,293,908 km (0.117 R)
• M15: 4,335,346 km (0.074 R)
• M16: 4,843,680 km (0.118 R)
• M17: 5,281,553 km (0.078 R)
• M18: 7,057,280 km (0.085 R)
• M19: 7,155,416 km (0.056 R)
• M20: 8,212,923 km (0.037 R)
• M21: 8,576,147 km (0.075 R)
• M22: 8,944,606 km (0.115 R)
• M23: 9,050,821 km (0.119 R)
• M24: 9,425,863 km (0.093 R)
• M25: 11,089,690 km (0.103 R)
• M26: 12,901,769 km (0.114 R)
• M27: 14,677,795 km (0.027 R)
• M28: 16,986,539 km (0.115 R)
• M29: 18,384,531 km (0.045 R)
• M30: 20,026,817 km (0.052 R)
• M31: 22,216,331 km (0.105 R)
• M32: 22,432,201 km (0.11 R)
• M33: 22,648,818 km (0.106 R)
• M34: 23,083,999 km (0.107 R)
• M35: 24,110,240 km (0.042 R)
• M36: 25,752,825 km (0.106 R)
• M37: 26,358,995 km (0.116 R)
• M38: 27,585,399 km (0.104 R)
• M39: 28,205,482 km (0.057 R)
• M40: 28,439,303 km (0.057 R)
• M41: 28,517,393 km (0.071 R)
• M42: 29,301,885 km (0.062 R)
• M43: 30,491,786 km (0.114 R)
• M44: 30,891,960 km (0.12 R)
• M45: 31,778,328 km (0.116 R)
• M46: 32,265,418 km (0.025 R)
• M47: 32,509,861 km (0.113 R)
• M48: 32,673,222 km (0.045 R)
• M49: 33,000,542 km (0.112 R)
• M50: 34,653,898 km (0.1 R)
• M51: 34,737,374 km (0.066 R)
• M52: 35,574,673 km (0.106 R)
• M53: 35,658,896 km (0.109 R)
• M54: 35,911,567 km (0.093 R)
• M55: 37,354,738 km (0.098 R)
• M56: 38,557,505 km (0.057 R)
• M57: 39,076,909 km (0.085 R)
• M58: 39,511,341 km (0.066 R)
• M59: 39,685,622 km (0.098 R)
• M60: 40,297,627 km (0.072 R)
• M61: 41,974,320 km (0.079 R)
• M62: 42,330,213 km (0.036 R)
• M63: 43,673,602 km (0.108 R)
• M64: 43,853,718 km (0.031 R)
• M65: 45,122,009 km (0.091 R)
• M66: 49,560,428 km (0.027 R)
• M67: 49,748,323 km (0.115 R)
• M68: 50,408,050 km (0.084 R)
• M69: 50,502,446 km (0.077 R)
• M70: 50,786,233 km (0.089 R)
• M71: 52,022,061 km (0.11 R)
• M72: 52,787,404 km (0.099 R)
• M73: 52,883,296 km (0.036 R)
• M74: 53,652,828 km (0.088 R)
• M75: 54,523,038 km (0.096 R)
• M76: 55,105,722 km (0.071 R)
• M77: 55,592,962 km (0.081 R)
• M78: 56,375,359 km (0.049 R)
• M79: 56,866,190 km (0.052 R)
• M80: 57,358,516 km (0.1 R)
• M81: 59,541,299 km (0.114 R)
• M82: 59,941,024 km (0.109 R)
• M83: 60,442,028 km (0.12 R)
• M84: 61,347,394 km (0.091 R)
• M85: 63,069,415 km (0.112 R)
• M86: 63,375,044 km (0.119 R)
• M87: 64,294,622 km (0.104 R)
• M88: 65,115,764 km (0.115 R)
• M89: 67,287,776 km (0.071 R)
• M90: 70,009,560 km (0.081 R)
• M91: 70,220,493 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.6

Radius: 5.7

Gravity: 22.03 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 12.68 AU - 20.14 AU

Year: 29020 Days

Day: 22.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 98,953,108 km

• M1: 105,915 km (0.074 R)
• M2: 234,719 km (0.043 R)
• M3: 290,070 km (0.034 R)
• M4: 485,445 km (0.114 R)
• M5: 1,078,451 km (0.061 R)
• M6: 1,381,237 km (0.098 R)
• M7: 1,452,147 km (0.075 R)
• M8: 1,487,900 km (0.114 R)
• M9: 3,150,980 km (0.106 R)
• M10: 3,339,623 km (0.093 R)
• M11: 4,079,085 km (0.053 R)
• M12: 4,705,751 km (0.086 R)
• M13: 5,030,228 km (0.087 R)
• M14: 5,195,235 km (0.072 R)
• M15: 7,124,449 km (0.085 R)
• M16: 8,260,196 km (0.099 R)
• M17: 9,114,849 km (0.111 R)
• M18: 9,654,747 km (0.116 R)
• M19: 10,694,752 km (0.107 R)
• M20: 10,977,941 km (0.032 R)
• M21: 11,335,629 km (0.1 R)
• M22: 11,551,948 km (0.09 R)
• M23: 12,283,182 km (0.076 R)
• M24: 13,255,867 km (0.102 R)
• M25: 13,483,854 km (0.114 R)
• M26: 13,943,718 km (0.083 R)
• M27: 14,330,878 km (0.112 R)
• M28: 14,878,705 km (0.112 R)
• M29: 14,957,543 km (0.073 R)
• M30: 19,415,560 km (0.116 R)
• M31: 21,074,450 km (0.105 R)
• M32: 21,163,012 km (0.051 R)
• M33: 22,055,364 km (0.047 R)
• M34: 22,869,026 km (0.035 R)
• M35: 23,325,300 km (0.11 R)
• M36: 25,651,248 km (0.08 R)
• M37: 26,220,468 km (0.1 R)
• M38: 27,952,661 km (0.096 R)
• M39: 28,050,050 km (0.109 R)
• M40: 29,523,289 km (0.076 R)
• M41: 31,122,341 km (0.083 R)
• M42: 32,033,990 km (0.118 R)
• M43: 32,237,892 km (0.112 R)
• M44: 32,339,918 km (0.062 R)
• M45: 35,031,034 km (0.085 R)
• M46: 36,829,051 km (0.069 R)
• M47: 37,042,527 km (0.064 R)
• M48: 37,578,088 km (0.066 R)
• M49: 37,685,499 km (0.086 R)
• M50: 38,008,481 km (0.073 R)
• M51: 40,403,991 km (0.099 R)
• M52: 41,287,217 km (0.049 R)
• M53: 42,400,225 km (0.119 R)
• M54: 42,735,923 km (0.104 R)
• M55: 42,848,121 km (0.063 R)
• M56: 43,410,161 km (0.116 R)
• M57: 44,087,988 km (0.101 R)
• M58: 45,111,088 km (0.095 R)
• M59: 47,528,889 km (0.113 R)
• M60: 51,054,911 km (0.047 R)
• M61: 51,412,151 km (0.114 R)
• M62: 51,531,530 km (0.101 R)
• M63: 53,693,817 km (0.046 R)
• M64: 55,518,313 km (0.114 R)
• M65: 57,734,456 km (0.096 R)
• M66: 58,479,603 km (0.049 R)
• M67: 62,506,927 km (0.094 R)
• M68: 63,271,971 km (0.112 R)
• M69: 63,527,633 km (0.093 R)
• M70: 63,655,540 km (0.101 R)
• M71: 65,973,858 km (0.086 R)
• M72: 66,103,410 km (0.059 R)
• M73: 67,273,714 km (0.112 R)
• M74: 70,427,686 km (0.084 R)
• M75: 70,825,317 km (0.108 R)
• M76: 72,022,548 km (0.072 R)
• M77: 74,167,632 km (0.053 R)
• M78: 74,707,232 km (0.09 R)
• M79: 76,742,062 km (0.1 R)
• M80: 76,878,346 km (0.06 R)
• M81: 77,424,378 km (0.061 R)
• M82: 77,971,607 km (0.102 R)
• M83: 78,520,182 km (0.104 R)
• M84: 79,621,223 km (0.075 R)
• M85: 80,035,459 km (0.033 R)
• M86: 81,004,704 km (0.054 R)
• M87: 81,977,838 km (0.109 R)
• M88: 84,497,964 km (0.111 R)
• M89: 84,638,735 km (0.029 R)
• M90: 89,470,447 km (0.117 R)
• M91: 90,620,257 km (0.087 R)
• M92: 94,683,036 km (0.088 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 15,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit