🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.46 AU - 0.72 AU

Year: 165 Days

Day: 32.5 Hours

Environment

Temp: 219 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.36 AU - 1.8 AU

Year: 722 Days

Day: 45.4 Hours

Environment

Temp: -32 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.14 AU - 2.78 AU

Year: 1402 Days

Day: 12.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.72 AU - 4.2 AU

Year: 2864 Days

Day: 36.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.2

Radius: 10.4

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.26 AU - 8.3 AU

Year: 8659 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 48,422,017 km

• M1: 130,749 km (0.102 R)
• M2: 214,075 km (0.1 R)
• M3: 322,832 km (0.068 R)
• M4: 393,442 km (0.114 R)
• M5: 498,460 km (0.091 R)
• M6: 692,489 km (0.112 R)
• M7: 824,583 km (0.092 R)
• M8: 1,417,141 km (0.089 R)
• M9: 1,654,852 km (0.076 R)
• M10: 1,767,349 km (0.107 R)
• M11: 1,859,053 km (0.044 R)
• M12: 2,047,696 km (0.071 R)
• M13: 2,168,870 km (0.076 R)
• M14: 3,000,185 km (0.11 R)
• M15: 3,421,303 km (0.078 R)
• M16: 3,683,100 km (0.096 R)
• M17: 3,831,351 km (0.069 R)
• M18: 3,951,329 km (0.099 R)
• M19: 4,350,306 km (0.114 R)
• M20: 4,729,985 km (0.107 R)
• M21: 5,691,601 km (0.074 R)
• M22: 6,212,201 km (0.074 R)
• M23: 6,712,157 km (0.102 R)
• M24: 7,373,679 km (0.112 R)
• M25: 7,448,628 km (0.05 R)
• M26: 7,561,275 km (0.074 R)
• M27: 9,197,875 km (0.119 R)
• M28: 9,318,900 km (0.073 R)
• M29: 9,726,106 km (0.062 R)
• M30: 10,014,530 km (0.098 R)
• M31: 10,854,373 km (0.09 R)
• M32: 12,735,566 km (0.096 R)
• M33: 13,323,934 km (0.106 R)
• M34: 13,461,116 km (0.069 R)
• M35: 13,828,827 km (0.086 R)
• M36: 13,967,504 km (0.112 R)
• M37: 14,339,853 km (0.088 R)
• M38: 14,480,326 km (0.073 R)
• M39: 15,285,013 km (0.12 R)
• M40: 15,958,502 km (0.073 R)
• M41: 16,690,934 km (0.063 R)
• M42: 17,784,793 km (0.107 R)
• M43: 17,935,738 km (0.102 R)
• M44: 18,594,866 km (0.09 R)
• M45: 19,210,461 km (0.102 R)
• M46: 20,884,312 km (0.114 R)
• M47: 21,309,917 km (0.088 R)
• M48: 21,416,880 km (0.091 R)
• M49: 21,523,992 km (0.084 R)
• M50: 22,713,295 km (0.105 R)
• M51: 23,702,287 km (0.041 R)
• M52: 24,035,142 km (0.081 R)
• M53: 24,481,243 km (0.109 R)
• M54: 25,099,232 km (0.103 R)
• M55: 25,722,157 km (0.069 R)
• M56: 25,836,001 km (0.112 R)
• M57: 29,387,604 km (0.094 R)
• M58: 29,685,453 km (0.057 R)
• M59: 30,464,559 km (0.091 R)
• M60: 30,584,985 km (0.108 R)
• M61: 31,189,660 km (0.075 R)
• M62: 34,021,548 km (0.069 R)
• M63: 34,146,612 km (0.071 R)
• M64: 34,522,401 km (0.11 R)
• M65: 35,531,439 km (0.092 R)
• M66: 35,785,307 km (0.108 R)
• M67: 36,230,809 km (0.036 R)
• M68: 36,934,667 km (0.113 R)
• M69: 38,421,072 km (0.085 R)
• M70: 38,681,521 km (0.08 R)
• M71: 40,720,092 km (0.069 R)
• M72: 42,456,773 km (0.041 R)
• M73: 42,658,730 km (0.103 R)
• M74: 42,995,924 km (0.077 R)
• M75: 43,266,397 km (0.062 R)
• M76: 43,401,783 km (0.043 R)
• M77: 43,808,988 km (0.11 R)
• M78: 44,013,040 km (0.079 R)
• M79: 44,217,391 km (0.104 R)
• M80: 45,175,415 km (0.081 R)
• M81: 45,450,227 km (0.117 R)
• M82: 45,656,821 km (0.026 R)
• M83: 46,209,286 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622

Radius: 11.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.86 AU - 11.3 AU

Year: 9944 Days

Day: 8.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 48,422,017 km

• M1: 223,050 km (0.115 R)
• M2: 318,195 km (0.079 R)
• M3: 435,779 km (0.036 R)
• M4: 677,678 km (0.043 R)
• M5: 807,380 km (0.076 R)
• M6: 1,229,096 km (0.099 R)
• M7: 1,517,820 km (0.09 R)
• M8: 1,782,758 km (0.064 R)
• M9: 2,282,415 km (0.079 R)
• M10: 2,718,193 km (0.108 R)
• M11: 2,797,929 km (0.09 R)
• M12: 2,959,644 km (0.064 R)
• M13: 3,264,375 km (0.099 R)
• M14: 3,492,362 km (0.115 R)
• M15: 3,814,596 km (0.091 R)
• M16: 3,964,344 km (0.034 R)
• M17: 4,085,518 km (0.079 R)
• M18: 4,208,039 km (0.109 R)
• M19: 4,806,280 km (0.09 R)
• M20: 5,132,105 km (0.042 R)
• M21: 5,397,940 km (0.04 R)
• M22: 5,566,387 km (0.074 R)
• M23: 5,908,667 km (0.036 R)
• M24: 6,152,362 km (0.078 R)
• M25: 6,613,722 km (0.06 R)
• M26: 6,721,881 km (0.07 R)
• M27: 7,345,405 km (0.075 R)
• M28: 7,758,894 km (0.115 R)
• M29: 8,218,608 km (0.045 R)
• M30: 8,530,071 km (0.082 R)
• M31: 8,647,804 km (0.083 R)
• M32: 8,964,652 km (0.118 R)
• M33: 9,528,188 km (0.061 R)
• M34: 10,103,391 km (0.119 R)
• M35: 10,311,482 km (0.059 R)
• M36: 10,437,144 km (0.087 R)
• M37: 10,647,479 km (0.084 R)
• M38: 11,244,225 km (0.065 R)
• M39: 12,693,529 km (0.109 R)
• M40: 13,189,595 km (0.095 R)
• M41: 13,326,029 km (0.085 R)
• M42: 14,107,977 km (0.064 R)
• M43: 15,764,324 km (0.082 R)
• M44: 16,590,853 km (0.069 R)
• M45: 16,836,642 km (0.099 R)
• M46: 17,531,374 km (0.054 R)
• M47: 18,083,690 km (0.112 R)
• M48: 18,744,015 km (0.116 R)
• M49: 19,308,747 km (0.069 R)
• M50: 20,824,622 km (0.116 R)
• M51: 21,677,180 km (0.119 R)
• M52: 23,747,615 km (0.065 R)
• M53: 24,414,522 km (0.093 R)
• M54: 24,582,221 km (0.099 R)
• M55: 24,750,220 km (0.064 R)
• M56: 25,369,854 km (0.109 R)
• M57: 29,074,496 km (0.064 R)
• M58: 29,966,997 km (0.064 R)
• M59: 30,747,748 km (0.043 R)
• M60: 31,839,812 km (0.101 R)
• M61: 32,329,297 km (0.11 R)
• M62: 33,377,679 km (0.065 R)
• M63: 34,249,385 km (0.103 R)
• M64: 34,750,987 km (0.058 R)
• M65: 35,002,611 km (0.044 R)
• M66: 35,888,230 km (0.06 R)
• M67: 36,206,275 km (0.104 R)
• M68: 36,461,489 km (0.081 R)
• M69: 37,810,712 km (0.088 R)
• M70: 38,004,741 km (0.074 R)
• M71: 39,700,732 km (0.119 R)
• M72: 40,029,697 km (0.043 R)
• M73: 40,557,928 km (0.098 R)
• M74: 41,487,977 km (0.088 R)
• M75: 41,888,601 km (0.12 R)
• M76: 42,693,886 km (0.113 R)
• M77: 43,572,175 km (0.066 R)
• M78: 43,707,711 km (0.108 R)
• M79: 44,251,649 km (0.107 R)
• M80: 44,866,346 km (0.088 R)
• M81: 45,140,409 km (0.085 R)
• M82: 45,896,926 km (0.085 R)
• M83: 46,035,005 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.7

Radius: 14.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.17 AU - 12.81 AU

Year: 12348 Days

Day: 14 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 48,422,017 km

• M1: 253,568 km (0.109 R)
• M2: 385,364 km (0.106 R)
• M3: 831,615 km (0.076 R)
• M4: 947,254 km (0.113 R)
• M5: 1,588,281 km (0.106 R)
• M6: 1,837,660 km (0.081 R)
• M7: 2,691,864 km (0.102 R)
• M8: 2,810,495 km (0.104 R)
• M9: 3,177,010 km (0.111 R)
• M10: 3,366,251 km (0.111 R)
• M11: 4,229,132 km (0.045 R)
• M12: 4,685,705 km (0.108 R)
• M13: 5,158,284 km (0.075 R)
• M14: 5,269,585 km (0.106 R)
• M15: 5,799,610 km (0.114 R)
• M16: 5,993,190 km (0.074 R)
• M17: 7,198,949 km (0.082 R)
• M18: 8,920,222 km (0.117 R)
• M19: 9,460,569 km (0.096 R)
• M20: 9,734,932 km (0.114 R)
• M21: 10,244,462 km (0.101 R)
• M22: 10,526,155 km (0.114 R)
• M23: 11,001,427 km (0.12 R)
• M24: 11,290,002 km (0.036 R)
• M25: 11,483,731 km (0.087 R)
• M26: 12,022,283 km (0.118 R)
• M27: 12,269,718 km (0.1 R)
• M28: 13,532,773 km (0.063 R)
• M29: 14,415,101 km (0.078 R)
• M30: 15,049,247 km (0.119 R)
• M31: 16,290,011 km (0.115 R)
• M32: 17,061,488 km (0.069 R)
• M33: 17,339,889 km (0.109 R)
• M34: 17,732,135 km (0.038 R)
• M35: 18,184,070 km (0.092 R)
• M36: 18,697,041 km (0.111 R)
• M37: 19,971,017 km (0.078 R)
• M38: 20,974,669 km (0.109 R)
• M39: 21,153,438 km (0.092 R)
• M40: 21,693,038 km (0.083 R)
• M41: 22,176,388 km (0.084 R)
• M42: 22,602,293 km (0.103 R)
• M43: 23,153,861 km (0.068 R)
• M44: 23,833,933 km (0.053 R)
• M45: 24,207,778 km (0.066 R)
• M46: 25,087,563 km (0.059 R)
• M47: 26,298,109 km (0.055 R)
• M48: 26,426,763 km (0.071 R)
• M49: 26,555,417 km (0.052 R)
• M50: 26,684,371 km (0.043 R)
• M51: 27,593,028 km (0.061 R)
• M52: 27,789,151 km (0.099 R)
• M53: 28,710,075 km (0.11 R)
• M54: 29,107,706 km (0.079 R)
• M55: 30,110,162 km (0.083 R)
• M56: 30,852,466 km (0.103 R)
• M57: 31,464,322 km (0.033 R)
• M58: 31,669,121 km (0.079 R)
• M59: 31,942,885 km (0.101 R)
• M60: 32,148,732 km (0.037 R)
• M61: 33,115,284 km (0.056 R)
• M62: 33,393,237 km (0.114 R)
• M63: 33,532,512 km (0.073 R)
• M64: 34,442,367 km (0.119 R)
• M65: 35,360,299 km (0.096 R)
• M66: 36,214,952 km (0.028 R)
• M67: 36,572,939 km (0.102 R)
• M68: 37,654,233 km (0.048 R)
• M69: 37,944,303 km (0.119 R)
• M70: 38,526,837 km (0.087 R)
• M71: 38,819,151 km (0.071 R)
• M72: 39,406,024 km (0.091 R)
• M73: 39,553,228 km (0.115 R)
• M74: 39,848,086 km (0.072 R)
• M75: 40,217,742 km (0.101 R)
• M76: 41,035,145 km (0.066 R)
• M77: 42,837,350 km (0.116 R)
• M78: 43,140,136 km (0.112 R)
• M79: 44,741,881 km (0.035 R)
• M80: 45,126,198 km (0.106 R)
• M81: 45,357,326 km (0.089 R)
• M82: 45,820,631 km (0.06 R)
• M83: 46,285,581 km (0.041 R)
• M84: 49,901,511 km (0.077 R)
• M85: 53,363,056 km (0.096 R)
• M86: 53,607,499 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 12.7

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 9.24 AU - 12.86 AU

Year: 13350 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 48,422,017 km

• M1: 222,901 km (0.115 R)
• M2: 380,427 km (0.091 R)
• M3: 591,360 km (0.083 R)
• M4: 768,484 km (0.098 R)
• M5: 964,457 km (0.116 R)
• M6: 1,133,952 km (0.109 R)
• M7: 1,222,663 km (0.099 R)
• M8: 1,313,918 km (0.057 R)
• M9: 1,677,591 km (0.107 R)
• M10: 1,964,519 km (0.111 R)
• M11: 2,211,356 km (0.077 R)
• M12: 2,497,536 km (0.083 R)
• M13: 2,765,616 km (0.058 R)
• M14: 3,394,974 km (0.075 R)
• M15: 3,726,333 km (0.079 R)
• M16: 4,102,871 km (0.08 R)
• M17: 4,384,714 km (0.111 R)
• M18: 4,600,135 km (0.073 R)
• M19: 5,807,988 km (0.095 R)
• M20: 6,245,113 km (0.099 R)
• M21: 7,405,394 km (0.12 R)
• M22: 7,490,814 km (0.051 R)
• M23: 7,705,786 km (0.117 R)
• M24: 7,922,853 km (0.107 R)
• M25: 8,010,368 km (0.115 R)
• M26: 8,098,032 km (0.066 R)
• M27: 8,452,280 km (0.032 R)
• M28: 8,541,590 km (0.088 R)
• M29: 8,721,257 km (0.084 R)
• M30: 9,175,885 km (0.082 R)
• M31: 9,731,641 km (0.071 R)
• M32: 10,250,745 km (0.096 R)
• M33: 10,489,803 km (0.099 R)
• M34: 12,112,940 km (0.08 R)
• M35: 12,213,769 km (0.036 R)
• M36: 12,671,239 km (0.064 R)
• M37: 12,927,799 km (0.111 R)
• M38: 13,082,633 km (0.117 R)
• M39: 15,259,132 km (0.067 R)
• M40: 15,532,298 km (0.106 R)
• M41: 16,083,267 km (0.052 R)
• M42: 16,194,269 km (0.083 R)
• M43: 16,305,420 km (0.085 R)
• M44: 17,431,892 km (0.094 R)
• M45: 18,119,743 km (0.092 R)
• M46: 18,816,420 km (0.113 R)
• M47: 20,898,374 km (0.111 R)
• M48: 21,384,417 km (0.115 R)
• M49: 22,058,954 km (0.116 R)
• M50: 22,615,907 km (0.106 R)
• M51: 22,740,372 km (0.116 R)
• M52: 23,491,653 km (0.101 R)
• M53: 24,954,421 km (0.103 R)
• M54: 27,104,292 km (0.09 R)
• M55: 27,834,030 km (0.109 R)
• M56: 28,101,062 km (0.109 R)
• M57: 28,974,564 km (0.112 R)
• M58: 29,312,955 km (0.062 R)
• M59: 30,473,086 km (0.094 R)
• M60: 31,509,201 km (0.095 R)
• M61: 33,616,138 km (0.079 R)
• M62: 34,614,853 km (0.118 R)
• M63: 34,758,317 km (0.112 R)
• M64: 35,406,375 km (0.076 R)
• M65: 35,840,658 km (0.083 R)
• M66: 37,227,430 km (0.107 R)
• M67: 37,669,043 km (0.118 R)
• M68: 39,153,503 km (0.114 R)
• M69: 40,279,376 km (0.112 R)
• M70: 42,332,757 km (0.066 R)
• M71: 42,793,668 km (0.113 R)
• M72: 45,830,056 km (0.075 R)
• M73: 46,303,383 km (0.101 R)
• M74: 48,694,107 km (0.088 R)
• M75: 48,774,441 km (0.072 R)
• M76: 49,742,489 km (0.102 R)
• M77: 49,904,354 km (0.116 R)
• M78: 53,014,793 km (0.057 R)
• M79: 53,262,975 km (0.051 R)
• M80: 53,345,703 km (0.099 R)
• M81: 53,760,538 km (0.108 R)
• M82: 54,343,072 km (0.071 R)
• M83: 54,426,398 km (0.108 R)
• M84: 54,927,551 km (0.102 R)
• M85: 55,346,425 km (0.11 R)
• M86: 56,187,315 km (0.046 R)
• M87: 56,355,911 km (0.041 R)

Asteroid Belt

Center: 11.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266

Radius: 4.3

Gravity: 14.39 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 12.19 AU - 13.05 AU

Year: 16294 Days

Day: 21.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 48,422,017 km

• M1: 170,242 km (0.098 R)
• M2: 211,382 km (0.117 R)
• M3: 1,189,303 km (0.107 R)
• M4: 1,699,133 km (0.049 R)
• M5: 1,818,063 km (0.057 R)
• M6: 1,915,152 km (0.07 R)
• M7: 2,064,151 km (0.083 R)
• M8: 2,114,566 km (0.075 R)
• M9: 2,268,502 km (0.067 R)
• M10: 2,751,853 km (0.094 R)
• M11: 3,295,342 km (0.105 R)
• M12: 3,685,942 km (0.088 R)
• M13: 3,778,094 km (0.11 R)
• M14: 3,964,792 km (0.105 R)
• M15: 4,059,338 km (0.114 R)
• M16: 5,704,915 km (0.12 R)
• M17: 6,027,149 km (0.06 R)
• M18: 6,281,764 km (0.09 R)
• M19: 6,689,119 km (0.119 R)
• M20: 7,296,786 km (0.046 R)
• M21: 7,490,216 km (0.09 R)
• M22: 7,529,111 km (0.117 R)
• M23: 7,646,246 km (0.093 R)
• M24: 7,842,818 km (0.084 R)
• M25: 8,160,713 km (0.074 R)
• M26: 9,897,545 km (0.113 R)
• M27: 10,414,106 km (0.072 R)
• M28: 10,719,435 km (0.12 R)
• M29: 11,205,329 km (0.085 R)
• M30: 11,473,259 km (0.056 R)
• M31: 12,751,573 km (0.103 R)
• M32: 13,596,950 km (0.082 R)
• M33: 15,887,892 km (0.087 R)
• M34: 17,103,076 km (0.1 R)
• M35: 17,463,008 km (0.113 R)
• M36: 18,821,955 km (0.116 R)
• M37: 19,087,192 km (0.072 R)
• M38: 19,836,378 km (0.119 R)
• M39: 19,944,239 km (0.064 R)
• M40: 22,308,782 km (0.101 R)
• M41: 23,097,462 km (0.095 R)
• M42: 23,210,858 km (0.108 R)
• M43: 25,050,762 km (0.068 R)
• M44: 25,108,955 km (0.086 R)
• M45: 25,225,642 km (0.106 R)
• M46: 26,877,202 km (0.078 R)
• M47: 27,056,271 km (0.085 R)
• M48: 27,776,285 km (0.095 R)
• M49: 28,441,846 km (0.093 R)
• M50: 29,850,310 km (0.091 R)
• M51: 30,407,712 km (0.097 R)
• M52: 35,510,196 km (0.096 R)
• M53: 39,236,081 km (0.083 R)
• M54: 39,371,317 km (0.051 R)
• M55: 40,528,008 km (0.112 R)
• M56: 40,664,890 km (0.061 R)
• M57: 40,870,437 km (0.096 R)
• M58: 44,628,186 km (0.111 R)
• M59: 44,769,407 km (0.032 R)
• M60: 45,976,362 km (0.094 R)
• M61: 48,059,662 km (0.093 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 14,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit