🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.88 AU - 0.96 AU

Year: 391 Days

Day: 20.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 78.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.1 AU - 1.2 AU

Year: 546 Days

Day: 39.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 47.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.31 AU - 2.01 AU

Year: 947 Days

Day: 46.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.52 AU - 2.02 AU

Year: 1043 Days

Day: 22.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,450,675 km

• M1: 34,707 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.11 AU - 2.23 AU

Year: 1416 Days

Day: 28.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136

Radius: 11.2

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.69 AU - 3.99 AU

Year: 2704 Days

Day: 12.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 43,450,675 km

• M1: 146,008 km (0.102 R)
• M2: 221,554 km (0.083 R)
• M3: 357,838 km (0.085 R)
• M4: 456,423 km (0.097 R)
• M5: 1,006,943 km (0.06 R)
• M6: 1,096,104 km (0.088 R)
• M7: 1,172,548 km (0.042 R)
• M8: 1,472,193 km (0.098 R)
• M9: 1,574,667 km (0.112 R)
• M10: 1,679,685 km (0.087 R)
• M11: 2,018,674 km (0.117 R)
• M12: 2,152,564 km (0.028 R)
• M13: 2,624,246 km (0.054 R)
• M14: 2,792,244 km (0.119 R)
• M15: 2,931,370 km (0.04 R)
• M16: 3,061,969 km (0.1 R)
• M17: 3,194,363 km (0.11 R)
• M18: 3,328,852 km (0.044 R)
• M19: 3,476,655 km (0.069 R)
• M20: 3,626,701 km (0.117 R)
• M21: 3,767,024 km (0.106 R)
• M22: 3,849,901 km (0.047 R)
• M23: 3,969,131 km (0.032 R)
• M24: 4,162,710 km (0.086 R)
• M25: 4,334,598 km (0.1 R)
• M26: 4,558,995 km (0.098 R)
• M27: 4,647,407 km (0.117 R)
• M28: 4,749,134 km (0.07 R)
• M29: 4,877,190 km (0.113 R)
• M30: 5,295,166 km (0.116 R)
• M31: 5,711,048 km (0.088 R)
• M32: 5,806,492 km (0.109 R)
• M33: 6,263,364 km (0.083 R)
• M34: 6,660,247 km (0.075 R)
• M35: 7,007,015 km (0.099 R)
• M36: 7,094,529 km (0.077 R)
• M37: 7,270,905 km (0.088 R)
• M38: 7,344,807 km (0.087 R)
• M39: 7,433,817 km (0.118 R)
• M40: 7,523,277 km (0.097 R)
• M41: 7,673,024 km (0.077 R)
• M42: 7,945,143 km (0.065 R)
• M43: 8,036,547 km (0.096 R)
• M44: 8,128,251 km (0.07 R)
• M45: 8,282,037 km (0.118 R)
• M46: 8,436,722 km (0.081 R)
• M47: 8,514,363 km (0.045 R)
• M48: 8,749,082 km (0.084 R)
• M49: 9,112,904 km (0.106 R)
• M50: 9,224,654 km (0.076 R)
• M51: 9,304,688 km (0.087 R)
• M52: 9,433,343 km (0.114 R)
• M53: 9,546,439 km (0.111 R)
• M54: 9,773,827 km (0.107 R)
• M55: 9,953,794 km (0.097 R)
• M56: 10,267,351 km (0.105 R)
• M57: 10,466,914 km (0.108 R)
• M58: 10,584,049 km (0.118 R)
• M59: 10,802,612 km (0.107 R)
• M60: 10,937,848 km (0.082 R)
• M61: 11,450,221 km (0.066 R)
• M62: 11,691,971 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.8

Radius: 10.5

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.24 AU - 5.04 AU

Year: 4427 Days

Day: 12.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 43,450,675 km

• M1: 151,842 km (0.091 R)
• M2: 292,464 km (0.119 R)
• M3: 739,761 km (0.106 R)
• M4: 826,977 km (0.054 R)
• M5: 944,711 km (0.082 R)
• M6: 1,040,453 km (0.109 R)
• M7: 1,139,637 km (0.065 R)
• M8: 1,257,071 km (0.076 R)
• M9: 1,488,648 km (0.066 R)
• M10: 1,819,110 km (0.112 R)
• M11: 1,940,284 km (0.113 R)
• M12: 2,586,697 km (0.101 R)
• M13: 2,763,222 km (0.11 R)
• M14: 2,843,108 km (0.119 R)
• M15: 3,211,717 km (0.051 R)
• M16: 3,705,090 km (0.067 R)
• M17: 3,994,413 km (0.028 R)
• M18: 4,291,365 km (0.112 R)
• M19: 4,430,790 km (0.069 R)
• M20: 4,690,342 km (0.082 R)
• M21: 4,786,085 km (0.093 R)
• M22: 5,003,750 km (0.068 R)
• M23: 5,224,556 km (0.084 R)
• M24: 5,423,671 km (0.094 R)
• M25: 5,625,329 km (0.116 R)
• M26: 5,932,453 km (0.118 R)
• M27: 6,192,604 km (0.092 R)
• M28: 6,376,908 km (0.107 R)
• M29: 6,778,130 km (0.086 R)
• M30: 7,187,579 km (0.114 R)
• M31: 7,661,356 km (0.07 R)
• M32: 8,815,803 km (0.069 R)
• M33: 9,473,734 km (0.112 R)
• M34: 9,870,019 km (0.114 R)
• M35: 10,209,606 km (0.071 R)
• M36: 10,427,720 km (0.114 R)
• M37: 10,741,875 km (0.118 R)
• M38: 10,932,014 km (0.081 R)
• M39: 11,251,106 km (0.082 R)
• M40: 11,768,416 km (0.044 R)
• M41: 12,128,498 km (0.109 R)
• M42: 12,525,381 km (0.082 R)
• M43: 12,758,903 km (0.032 R)
• M44: 13,776,169 km (0.061 R)
• M45: 14,190,405 km (0.093 R)
• M46: 14,364,088 km (0.069 R)
• M47: 14,678,693 km (0.089 R)
• M48: 15,208,120 km (0.059 R)
• M49: 15,314,783 km (0.057 R)
• M50: 15,672,023 km (0.116 R)
• M51: 15,923,796 km (0.073 R)
• M52: 16,467,734 km (0.073 R)
• M53: 17,536,610 km (0.107 R)
• M54: 17,723,159 km (0.101 R)
• M55: 18,362,391 km (0.107 R)
• M56: 18,856,363 km (0.095 R)
• M57: 19,085,846 km (0.104 R)
• M58: 19,431,716 km (0.068 R)
• M59: 20,129,740 km (0.096 R)
• M60: 20,325,115 km (0.026 R)
• M61: 20,560,432 km (0.086 R)
• M62: 20,914,979 km (0.045 R)
• M63: 21,073,254 km (0.064 R)
• M64: 22,152,004 km (0.061 R)
• M65: 22,880,994 km (0.108 R)
• M66: 23,003,216 km (0.111 R)
• M67: 23,412,366 km (0.108 R)
• M68: 24,154,970 km (0.081 R)
• M69: 24,654,327 km (0.11 R)
• M70: 24,905,353 km (0.118 R)
• M71: 25,325,424 km (0.093 R)
• M72: 25,578,693 km (0.11 R)
• M73: 25,663,216 km (0.052 R)
• M74: 26,172,746 km (0.084 R)
• M75: 27,158,596 km (0.101 R)
• M76: 27,244,914 km (0.079 R)
• M77: 27,331,381 km (0.117 R)
• M78: 28,287,761 km (0.062 R)
• M79: 28,682,101 km (0.065 R)
• M80: 29,210,929 km (0.081 R)
• M81: 29,299,341 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.6

Radius: 8.7

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.21 AU - 5.29 AU

Year: 4585 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 43,450,675 km

• M1: 124,316 km (0.039 R)
• M2: 197,768 km (0.076 R)
• M3: 361,728 km (0.117 R)
• M4: 452,982 km (0.094 R)
• M5: 511,924 km (0.102 R)
• M6: 584,628 km (0.077 R)
• M7: 777,011 km (0.101 R)
• M8: 862,282 km (0.094 R)
• M9: 950,994 km (0.056 R)
• M10: 1,366,277 km (0.097 R)
• M11: 1,470,846 km (0.086 R)
• M12: 1,640,789 km (0.119 R)
• M13: 1,817,165 km (0.117 R)
• M14: 2,102,149 km (0.083 R)
• M15: 2,276,431 km (0.112 R)
• M16: 3,059,725 km (0.078 R)
• M17: 3,118,667 km (0.075 R)
• M18: 3,480,544 km (0.098 R)
• M19: 3,941,006 km (0.107 R)
• M20: 4,200,259 km (0.03 R)
• M21: 4,465,197 km (0.079 R)
• M22: 4,712,782 km (0.089 R)
• M23: 5,174,590 km (0.056 R)
• M24: 5,482,612 km (0.072 R)
• M25: 5,869,772 km (0.109 R)
• M26: 5,992,741 km (0.111 R)
• M27: 6,416,701 km (0.12 R)
• M28: 6,645,287 km (0.09 R)
• M29: 6,773,343 km (0.057 R)
• M30: 7,267,614 km (0.114 R)
• M31: 7,505,774 km (0.084 R)
• M32: 7,719,699 km (0.077 R)
• M33: 8,098,780 km (0.118 R)
• M34: 8,180,909 km (0.096 R)
• M35: 8,400,968 km (0.12 R)
• M36: 9,329,821 km (0.089 R)
• M37: 10,172,655 km (0.103 R)
• M38: 10,409,469 km (0.043 R)
• M39: 10,918,700 km (0.092 R)
• M40: 11,039,724 km (0.076 R)
• M41: 11,466,826 km (0.044 R)
• M42: 11,961,397 km (0.092 R)
• M43: 12,117,577 km (0.099 R)
• M44: 12,748,431 km (0.118 R)
• M45: 12,971,781 km (0.072 R)
• M46: 13,067,823 km (0.039 R)
• M47: 13,292,968 km (0.093 R)
• M48: 13,422,370 km (0.113 R)
• M49: 13,682,072 km (0.085 R)
• M50: 14,173,650 km (0.092 R)
• M51: 14,305,745 km (0.114 R)
• M52: 14,405,078 km (0.104 R)
• M53: 14,804,654 km (0.041 R)
• M54: 14,938,694 km (0.104 R)
• M55: 15,614,727 km (0.116 R)
• M56: 15,751,160 km (0.116 R)
• M57: 15,853,784 km (0.113 R)
• M58: 16,891,694 km (0.095 R)
• M59: 16,996,712 km (0.085 R)
• M60: 17,066,873 km (0.105 R)
• M61: 17,313,111 km (0.085 R)
• M62: 17,489,637 km (0.084 R)
• M63: 17,951,595 km (0.053 R)
• M64: 18,237,776 km (0.071 R)
• M65: 18,851,127 km (0.076 R)
• M66: 19,397,907 km (0.107 R)
• M67: 20,283,526 km (0.075 R)
• M68: 21,560,644 km (0.113 R)
• M69: 21,826,928 km (0.105 R)
• M70: 22,516,275 km (0.086 R)
• M71: 22,825,045 km (0.113 R)
• M72: 23,446,624 km (0.093 R)
• M73: 23,524,864 km (0.075 R)
• M74: 23,602,954 km (0.11 R)
• M75: 23,955,855 km (0.1 R)
• M76: 24,152,726 km (0.101 R)
• M77: 25,104,916 km (0.102 R)
• M78: 25,625,816 km (0.086 R)
• M79: 26,069,374 km (0.078 R)
• M80: 26,271,780 km (0.115 R)
• M81: 26,474,784 km (0.092 R)
• M82: 26,556,165 km (0.115 R)
• M83: 27,168,768 km (0.052 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 8.8

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.86 AU - 7.62 AU

Year: 6904 Days

Day: 13.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 43,450,675 km

• M1: 225,145 km (0.079 R)
• M2: 345,571 km (0.108 R)
• M3: 671,844 km (0.079 R)
• M4: 763,697 km (0.119 R)
• M5: 1,019,958 km (0.063 R)
• M6: 1,453,942 km (0.073 R)
• M7: 1,646,175 km (0.097 R)
• M8: 1,978,881 km (0.11 R)
• M9: 2,413,911 km (0.06 R)
• M10: 2,663,590 km (0.106 R)
• M11: 3,255,998 km (0.109 R)
• M12: 3,625,953 km (0.102 R)
• M13: 3,960,604 km (0.118 R)
• M14: 4,762,897 km (0.086 R)
• M15: 4,840,688 km (0.112 R)
• M16: 4,971,287 km (0.112 R)
• M17: 5,182,669 km (0.08 R)
• M18: 5,478,124 km (0.057 R)
• M19: 5,669,011 km (0.098 R)
• M20: 6,226,563 km (0.106 R)
• M21: 6,511,995 km (0.093 R)
• M22: 6,830,938 km (0.099 R)
• M23: 7,303,817 km (0.069 R)
• M24: 8,002,140 km (0.037 R)
• M25: 8,437,769 km (0.095 R)
• M26: 8,690,140 km (0.07 R)
• M27: 9,170,050 km (0.119 R)
• M28: 10,055,520 km (0.077 R)
• M29: 10,289,491 km (0.114 R)
• M30: 10,423,980 km (0.111 R)
• M31: 10,559,216 km (0.112 R)
• M32: 11,174,363 km (0.087 R)
• M33: 11,486,424 km (0.104 R)
• M34: 11,556,136 km (0.041 R)
• M35: 11,836,483 km (0.114 R)
• M36: 12,154,528 km (0.063 R)
• M37: 12,690,836 km (0.114 R)
• M38: 12,943,806 km (0.105 R)
• M39: 13,234,924 km (0.089 R)
• M40: 13,786,641 km (0.088 R)
• M41: 14,084,041 km (0.065 R)
• M42: 14,458,634 km (0.093 R)
• M43: 14,609,429 km (0.066 R)
• M44: 14,988,659 km (0.071 R)
• M45: 15,064,805 km (0.091 R)
• M46: 15,679,353 km (0.065 R)
• M47: 17,092,006 km (0.041 R)
• M48: 17,934,690 km (0.051 R)
• M49: 18,381,390 km (0.112 R)
• M50: 18,544,900 km (0.093 R)
• M51: 18,873,118 km (0.086 R)
• M52: 19,079,114 km (0.095 R)
• M53: 19,493,650 km (0.062 R)
• M54: 19,743,777 km (0.099 R)
• M55: 20,712,424 km (0.113 R)
• M56: 21,653,394 km (0.11 R)
• M57: 22,259,415 km (0.102 R)
• M58: 22,477,230 km (0.077 R)
• M59: 22,651,960 km (0.119 R)
• M60: 23,222,975 km (0.104 R)
• M61: 23,665,486 km (0.091 R)
• M62: 24,558,884 km (0.063 R)
• M63: 25,009,622 km (0.111 R)
• M64: 25,190,785 km (0.12 R)
• M65: 25,782,295 km (0.102 R)
• M66: 26,240,514 km (0.111 R)
• M67: 26,562,748 km (0.115 R)
• M68: 26,655,049 km (0.084 R)
• M69: 26,932,703 km (0.083 R)
• M70: 27,350,979 km (0.067 R)
• M71: 27,537,527 km (0.052 R)
• M72: 27,771,349 km (0.085 R)
• M73: 28,524,125 km (0.101 R)
• M74: 29,283,484 km (0.089 R)
• M75: 29,474,371 km (0.044 R)
• M76: 29,713,578 km (0.063 R)
• M77: 30,193,937 km (0.105 R)
• M78: 30,290,278 km (0.093 R)
• M79: 31,064,895 km (0.088 R)
• M80: 31,552,435 km (0.051 R)
• M81: 32,782,129 km (0.063 R)
• M82: 33,030,013 km (0.093 R)
• M83: 33,278,495 km (0.054 R)

Planet 10 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.6

Radius: 9.5

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.03 AU - 9.69 AU

Year: 9760 Days

Day: 11.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 43,450,675 km

• M1: 332,107 km (0.08 R)
• M2: 414,087 km (0.058 R)
• M3: 617,241 km (0.093 R)
• M4: 692,339 km (0.114 R)
• M5: 937,979 km (0.067 R)
• M6: 1,135,597 km (0.114 R)
• M7: 1,210,995 km (0.082 R)
• M8: 1,307,635 km (0.068 R)
• M9: 1,447,509 km (0.098 R)
• M10: 1,964,669 km (0.06 R)
• M11: 2,339,561 km (0.054 R)
• M12: 2,412,415 km (0.068 R)
• M13: 2,585,350 km (0.108 R)
• M14: 3,022,475 km (0.05 R)
• M15: 3,482,638 km (0.113 R)
• M16: 3,622,213 km (0.054 R)
• M17: 3,907,048 km (0.09 R)
• M18: 4,110,800 km (0.098 R)
• M19: 4,377,832 km (0.076 R)
• M20: 4,468,189 km (0.112 R)
• M21: 4,742,851 km (0.084 R)
• M22: 5,502,210 km (0.079 R)
• M23: 5,599,897 km (0.086 R)
• M24: 5,730,945 km (0.089 R)
• M25: 5,829,829 km (0.109 R)
• M26: 5,962,672 km (0.055 R)
• M27: 6,435,401 km (0.073 R)
• M28: 6,955,553 km (0.037 R)
• M29: 7,202,838 km (0.106 R)
• M30: 7,962,197 km (0.025 R)
• M31: 8,035,799 km (0.099 R)
• M32: 8,595,445 km (0.114 R)
• M33: 9,949,904 km (0.088 R)
• M34: 10,148,720 km (0.039 R)
• M35: 10,348,881 km (0.087 R)
• M36: 10,712,554 km (0.111 R)
• M37: 10,916,456 km (0.029 R)
• M38: 11,204,133 km (0.075 R)
• M39: 11,661,004 km (0.119 R)
• M40: 11,954,964 km (0.118 R)
• M41: 12,124,159 km (0.101 R)
• M42: 12,507,429 km (0.089 R)
• M43: 12,679,168 km (0.119 R)
• M44: 12,765,336 km (0.091 R)
• M45: 13,681,473 km (0.119 R)
• M46: 13,902,729 km (0.11 R)
• M47: 14,214,490 km (0.092 R)
• M48: 14,935,702 km (0.09 R)
• M49: 15,300,870 km (0.116 R)
• M50: 16,179,758 km (0.116 R)
• M51: 16,320,081 km (0.069 R)
• M52: 16,837,839 km (0.106 R)
• M53: 17,170,096 km (0.109 R)
• M54: 18,814,924 km (0.091 R)
• M55: 19,258,781 km (0.114 R)
• M56: 19,357,815 km (0.112 R)
• M57: 21,631,852 km (0.098 R)
• M58: 22,408,415 km (0.101 R)
• M59: 24,846,561 km (0.117 R)
• M60: 25,279,198 km (0.117 R)
• M61: 26,316,509 km (0.097 R)
• M62: 26,757,374 km (0.091 R)
• M63: 27,646,584 km (0.067 R)
• M64: 28,432,422 km (0.112 R)
• M65: 28,601,916 km (0.119 R)
• M66: 29,282,736 km (0.112 R)
• M67: 30,602,638 km (0.04 R)
• M68: 31,649,075 km (0.075 R)
• M69: 32,471,115 km (0.091 R)
• M70: 33,776,955 km (0.099 R)
• M71: 34,076,151 km (0.119 R)
• M72: 34,737,523 km (0.105 R)
• M73: 37,920,667 km (0.098 R)
• M74: 38,107,066 km (0.117 R)
• M75: 38,480,911 km (0.113 R)
• M76: 39,169,510 km (0.072 R)
• M77: 39,295,172 km (0.09 R)
• M78: 39,672,907 km (0.06 R)
• M79: 42,285,933 km (0.111 R)
• M80: 42,414,886 km (0.041 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 16,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit