🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.55 AU - 0.55 AU

Year: 150 Days

Day: 42.4 Hours

Environment

Temp: 185 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,729,980 km

• M1: 73,004 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.77 AU - 1.11 AU

Year: 336 Days

Day: 43 Hours

Environment

Temp: 35 °C

Axial Tilt: 71.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.26 AU - 1.78 AU

Year: 691 Days

Day: 15.4 Hours

Environment

Temp: -35 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.99 AU - 3.13 AU

Year: 1975 Days

Day: 15.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,729,980 km

• M1: 47,722 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.36 AU - 4.72 AU

Year: 2996 Days

Day: 19.2 Hours

Environment

Temp: -126 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,729,980 km

• M1: 1,617,901 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.4

Radius: 8.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.38 AU - 5.62 AU

Year: 4759 Days

Day: 6.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 87,729,980 km

• M1: 118,332 km (0.039 R)
• M2: 191,485 km (0.064 R)
• M3: 279,898 km (0.111 R)
• M4: 419,921 km (0.114 R)
• M5: 505,491 km (0.105 R)
• M6: 578,944 km (0.084 R)
• M7: 636,689 km (0.11 R)
• M8: 710,141 km (0.045 R)
• M9: 765,642 km (0.085 R)
• M10: 903,571 km (0.059 R)
• M11: 971,937 km (0.055 R)
• M12: 1,114,205 km (0.1 R)
• M13: 1,179,729 km (0.085 R)
• M14: 1,255,126 km (0.114 R)
• M15: 1,340,846 km (0.052 R)
• M16: 1,410,858 km (0.115 R)
• M17: 1,491,042 km (0.093 R)
• M18: 1,563,747 km (0.077 R)
• M19: 1,798,914 km (0.076 R)
• M20: 1,955,394 km (0.112 R)
• M21: 2,025,256 km (0.053 R)
• M22: 2,157,351 km (0.103 R)
• M23: 2,219,284 km (0.062 R)
• M24: 2,440,988 km (0.101 R)
• M25: 2,516,386 km (0.104 R)
• M26: 2,636,662 km (0.031 R)
• M27: 3,078,425 km (0.116 R)
• M28: 3,160,255 km (0.097 R)
• M29: 3,373,881 km (0.107 R)
• M30: 3,878,026 km (0.088 R)
• M31: 4,030,167 km (0.079 R)
• M32: 4,236,013 km (0.111 R)
• M33: 4,684,957 km (0.068 R)
• M34: 5,107,571 km (0.116 R)
• M35: 5,288,434 km (0.103 R)
• M36: 5,429,056 km (0.072 R)
• M37: 6,077,114 km (0.104 R)
• M38: 6,209,658 km (0.115 R)
• M39: 6,373,019 km (0.09 R)
• M40: 6,447,668 km (0.117 R)
• M41: 6,522,766 km (0.055 R)
• M42: 6,779,925 km (0.119 R)
• M43: 6,994,299 km (0.101 R)
• M44: 7,086,750 km (0.087 R)
• M45: 7,148,684 km (0.058 R)
• M46: 7,210,917 km (0.048 R)
• M47: 7,413,921 km (0.12 R)
• M48: 7,682,449 km (0.055 R)
• M49: 8,034,602 km (0.074 R)
• M50: 8,164,005 km (0.049 R)
• M51: 8,343,073 km (0.077 R)
• M52: 9,005,044 km (0.08 R)
• M53: 9,274,619 km (0.113 R)
• M54: 9,427,508 km (0.054 R)
• M55: 9,512,779 km (0.115 R)
• M56: 9,701,123 km (0.089 R)
• M57: 9,925,520 km (0.104 R)
• M58: 10,485,016 km (0.116 R)
• M59: 10,804,257 km (0.101 R)
• M60: 10,965,075 km (0.099 R)
• M61: 11,343,408 km (0.068 R)
• M62: 11,726,079 km (0.093 R)
• M63: 11,965,137 km (0.088 R)
• M64: 12,057,439 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.9

Radius: 12.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.65 AU - 8.86 AU

Year: 9550 Days

Day: 10.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 87,729,980 km

• M1: 163,211 km (0.103 R)
• M2: 269,875 km (0.094 R)
• M3: 498,610 km (0.08 R)
• M4: 989,590 km (0.115 R)
• M5: 1,254,827 km (0.118 R)
• M6: 1,458,579 km (0.113 R)
• M7: 1,543,401 km (0.103 R)
• M8: 2,406,731 km (0.109 R)
• M9: 2,715,201 km (0.097 R)
• M10: 3,009,460 km (0.077 R)
• M11: 3,370,739 km (0.087 R)
• M12: 3,456,160 km (0.102 R)
• M13: 3,983,791 km (0.06 R)
• M14: 4,349,857 km (0.068 R)
• M15: 4,505,589 km (0.099 R)
• M16: 4,822,886 km (0.107 R)
• M17: 5,147,364 km (0.077 R)
• M18: 5,479,172 km (0.072 R)
• M19: 5,783,753 km (0.112 R)
• M20: 6,730,707 km (0.04 R)
• M21: 7,801,080 km (0.074 R)
• M22: 8,029,217 km (0.091 R)
• M23: 8,609,208 km (0.114 R)
• M24: 8,726,792 km (0.064 R)
• M25: 9,003,398 km (0.089 R)
• M26: 9,484,355 km (0.102 R)
• M27: 9,932,551 km (0.094 R)
• M28: 10,346,039 km (0.07 R)
• M29: 11,019,379 km (0.119 R)
• M30: 11,447,528 km (0.095 R)
• M31: 12,099,925 km (0.089 R)
• M32: 12,187,739 km (0.082 R)
• M33: 12,585,968 km (0.104 R)
• M34: 13,123,623 km (0.049 R)
• M35: 13,440,770 km (0.118 R)
• M36: 13,852,314 km (0.03 R)
• M37: 14,594,020 km (0.064 R)
• M38: 16,261,289 km (0.108 R)
• M39: 17,290,522 km (0.036 R)
• M40: 18,391,263 km (0.092 R)
• M41: 18,695,395 km (0.052 R)
• M42: 20,345,460 km (0.099 R)
• M43: 20,765,381 km (0.101 R)
• M44: 22,257,171 km (0.078 R)
• M45: 22,798,267 km (0.085 R)
• M46: 22,907,024 km (0.061 R)
• M47: 23,618,213 km (0.085 R)
• M48: 23,783,369 km (0.089 R)
• M49: 24,782,234 km (0.057 R)
• M50: 25,343,076 km (0.072 R)
• M51: 25,794,862 km (0.092 R)
• M52: 26,477,327 km (0.052 R)
• M53: 26,648,916 km (0.11 R)
• M54: 26,763,508 km (0.093 R)
• M55: 29,266,729 km (0.085 R)
• M56: 29,740,655 km (0.083 R)
• M57: 31,117,404 km (0.101 R)
• M58: 32,575,984 km (0.08 R)
• M59: 33,190,232 km (0.103 R)
• M60: 33,375,285 km (0.103 R)
• M61: 33,808,520 km (0.088 R)
• M62: 33,994,620 km (0.111 R)
• M63: 34,118,936 km (0.085 R)
• M64: 34,243,401 km (0.081 R)
• M65: 34,805,441 km (0.082 R)
• M66: 35,496,433 km (0.099 R)
• M67: 36,509,660 km (0.056 R)
• M68: 37,468,283 km (0.116 R)
• M69: 37,596,638 km (0.112 R)
• M70: 38,694,237 km (0.098 R)
• M71: 39,214,389 km (0.12 R)
• M72: 39,736,785 km (0.1 R)
• M73: 40,327,397 km (0.116 R)
• M74: 40,722,635 km (0.073 R)
• M75: 40,920,852 km (0.082 R)
• M76: 42,183,159 km (0.078 R)
• M77: 42,316,750 km (0.12 R)
• M78: 42,450,490 km (0.087 R)
• M79: 42,785,589 km (0.08 R)
• M80: 43,188,756 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.7

Radius: 15

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.87 AU - 10.01 AU

Year: 9862 Days

Day: 13 Hours

Environment

Temp: -177 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 87,729,980 km

• M1: 206,744 km (0.077 R)
• M2: 401,521 km (0.082 R)
• M3: 561,291 km (0.06 R)
• M4: 658,829 km (0.104 R)
• M5: 908,059 km (0.092 R)
• M6: 1,265,598 km (0.037 R)
• M7: 1,646,923 km (0.086 R)
• M8: 3,238,495 km (0.079 R)
• M9: 3,878,325 km (0.117 R)
• M10: 4,051,858 km (0.092 R)
• M11: 4,648,903 km (0.115 R)
• M12: 4,802,690 km (0.032 R)
• M13: 4,989,388 km (0.065 R)
• M14: 5,146,765 km (0.07 R)
• M15: 5,531,531 km (0.085 R)
• M16: 5,629,218 km (0.117 R)
• M17: 6,951,364 km (0.084 R)
• M18: 7,092,285 km (0.089 R)
• M19: 7,484,681 km (0.058 R)
• M20: 7,701,897 km (0.102 R)
• M21: 9,048,278 km (0.076 R)
• M22: 9,202,363 km (0.084 R)
• M23: 9,396,242 km (0.04 R)
• M24: 10,105,635 km (0.115 R)
• M25: 11,492,258 km (0.037 R)
• M26: 11,617,471 km (0.108 R)
• M27: 11,785,171 km (0.048 R)
• M28: 13,594,258 km (0.117 R)
• M29: 13,948,505 km (0.118 R)
• M30: 14,171,556 km (0.117 R)
• M31: 14,306,044 km (0.113 R)
• M32: 16,278,791 km (0.059 R)
• M33: 16,891,993 km (0.111 R)
• M34: 17,464,654 km (0.109 R)
• M35: 17,705,207 km (0.09 R)
• M36: 18,092,366 km (0.109 R)
• M37: 18,825,845 km (0.113 R)
• M38: 19,023,015 km (0.115 R)
• M39: 20,930,986 km (0.089 R)
• M40: 21,237,811 km (0.089 R)
• M41: 21,597,594 km (0.082 R)
• M42: 22,011,382 km (0.06 R)
• M43: 23,905,441 km (0.07 R)
• M44: 24,065,660 km (0.112 R)
• M45: 24,333,440 km (0.078 R)
• M46: 25,034,306 km (0.064 R)
• M47: 25,469,037 km (0.055 R)
• M48: 25,906,162 km (0.101 R)
• M49: 26,070,720 km (0.115 R)
• M50: 26,180,675 km (0.113 R)
• M51: 26,732,541 km (0.076 R)
• M52: 27,960,141 km (0.036 R)
• M53: 28,864,610 km (0.045 R)
• M54: 29,149,145 km (0.099 R)
• M55: 29,263,288 km (0.057 R)
• M56: 29,836,099 km (0.108 R)
• M57: 30,934,446 km (0.104 R)
• M58: 31,928,524 km (0.099 R)
• M59: 32,281,874 km (0.1 R)
• M60: 38,358,839 km (0.084 R)
• M61: 38,546,584 km (0.085 R)
• M62: 42,041,190 km (0.057 R)
• M63: 43,076,856 km (0.109 R)
• M64: 43,467,307 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.2

Radius: 10.8

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.74 AU - 11.54 AU

Year: 11913 Days

Day: 14.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 87,729,980 km

• M1: 142,716 km (0.073 R)
• M2: 482,453 km (0.055 R)
• M3: 1,202,468 km (0.077 R)
• M4: 1,627,026 km (0.099 R)
• M5: 1,844,093 km (0.103 R)
• M6: 2,045,152 km (0.114 R)
• M7: 2,776,088 km (0.114 R)
• M8: 3,582,121 km (0.066 R)
• M9: 3,676,068 km (0.106 R)
• M10: 3,834,343 km (0.114 R)
• M11: 4,027,324 km (0.088 R)
• M12: 5,502,658 km (0.083 R)
• M13: 5,647,768 km (0.066 R)
• M14: 5,720,772 km (0.066 R)
• M15: 7,049,351 km (0.103 R)
• M16: 7,606,603 km (0.108 R)
• M17: 8,013,360 km (0.077 R)
• M18: 8,302,383 km (0.083 R)
• M19: 9,754,380 km (0.118 R)
• M20: 9,974,588 km (0.1 R)
• M21: 10,374,912 km (0.078 R)
• M22: 10,644,786 km (0.081 R)
• M23: 10,871,427 km (0.1 R)
• M24: 11,145,640 km (0.108 R)
• M25: 11,375,871 km (0.113 R)
• M26: 11,468,322 km (0.052 R)
• M27: 11,654,123 km (0.04 R)
• M28: 12,075,839 km (0.067 R)
• M29: 12,598,085 km (0.091 R)
• M30: 12,789,870 km (0.072 R)
• M31: 13,713,786 km (0.101 R)
• M32: 14,760,074 km (0.039 R)
• M33: 15,063,758 km (0.117 R)
• M34: 15,318,373 km (0.081 R)
• M35: 16,770,370 km (0.045 R)
• M36: 17,140,326 km (0.094 R)
• M37: 18,537,719 km (0.119 R)
• M38: 19,415,709 km (0.105 R)
• M39: 19,637,264 km (0.078 R)
• M40: 19,915,516 km (0.063 R)
• M41: 20,307,163 km (0.116 R)
• M42: 20,419,511 km (0.04 R)
• M43: 20,644,955 km (0.116 R)
• M44: 20,984,542 km (0.077 R)
• M45: 22,130,013 km (0.096 R)
• M46: 23,354,621 km (0.102 R)
• M47: 23,472,355 km (0.089 R)
• M48: 25,262,592 km (0.044 R)
• M49: 25,747,290 km (0.092 R)
• M50: 26,849,227 km (0.06 R)
• M51: 28,719,949 km (0.087 R)
• M52: 30,054,362 km (0.034 R)
• M53: 30,182,418 km (0.092 R)
• M54: 31,669,121 km (0.078 R)
• M55: 31,799,421 km (0.103 R)
• M56: 34,847,627 km (0.118 R)
• M57: 35,793,684 km (0.037 R)
• M58: 36,065,503 km (0.114 R)
• M59: 36,201,787 km (0.091 R)
• M60: 36,269,854 km (0.062 R)
• M61: 37,849,308 km (0.107 R)
• M62: 37,987,836 km (0.115 R)
• M63: 38,195,628 km (0.09 R)
• M64: 38,404,017 km (0.113 R)
• M65: 39,451,202 km (0.114 R)
• M66: 39,661,687 km (0.107 R)
• M67: 39,731,998 km (0.087 R)
• M68: 40,578,422 km (0.073 R)
• M69: 41,502,189 km (0.1 R)
• M70: 42,504,794 km (0.11 R)
• M71: 42,720,664 km (0.074 R)
• M72: 42,792,621 km (0.106 R)
• M73: 43,660,288 km (0.055 R)
• M74: 44,679,798 km (0.059 R)
• M75: 45,486,429 km (0.083 R)
• M76: 45,928,341 km (0.045 R)
• M77: 46,371,750 km (0.08 R)
• M78: 46,519,851 km (0.119 R)
• M79: 47,860,099 km (0.039 R)
• M80: 48,835,776 km (0.062 R)
• M81: 48,986,571 km (0.108 R)
• M82: 49,515,250 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411

Radius: 6.9

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 17.72 AU - 21.44 AU

Year: 31967 Days

Day: 21.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 100.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 87,729,980 km

• M1: 100,231 km (0.103 R)
• M2: 263,143 km (0.088 R)
• M3: 333,753 km (0.04 R)
• M4: 391,498 km (0.118 R)
• M5: 684,410 km (0.092 R)
• M6: 840,142 km (0.05 R)
• M7: 1,310,029 km (0.12 R)
• M8: 1,571,825 km (0.111 R)
• M9: 2,774,592 km (0.05 R)
• M10: 3,153,374 km (0.037 R)
• M11: 3,370,889 km (0.053 R)
• M12: 3,503,732 km (0.115 R)
• M13: 4,005,782 km (0.085 R)
• M14: 4,289,121 km (0.095 R)
• M15: 5,695,041 km (0.05 R)
• M16: 5,800,508 km (0.058 R)
• M17: 6,392,317 km (0.077 R)
• M18: 7,574,888 km (0.109 R)
• M19: 9,439,775 km (0.045 R)
• M20: 9,502,158 km (0.088 R)
• M21: 10,197,937 km (0.093 R)
• M22: 12,109,648 km (0.059 R)
• M23: 12,245,633 km (0.11 R)
• M24: 12,313,700 km (0.078 R)
• M25: 12,656,129 km (0.093 R)
• M26: 12,932,437 km (0.067 R)
• M27: 13,140,976 km (0.111 R)
• M28: 14,128,621 km (0.115 R)
• M29: 14,200,129 km (0.108 R)
• M30: 16,100,022 km (0.099 R)
• M31: 16,324,419 km (0.119 R)
• M32: 16,474,466 km (0.032 R)
• M33: 17,003,593 km (0.091 R)
• M34: 17,232,029 km (0.052 R)
• M35: 18,545,648 km (0.109 R)
• M36: 18,623,888 km (0.062 R)
• M37: 19,333,281 km (0.116 R)
• M38: 21,596,397 km (0.062 R)
• M39: 23,771,550 km (0.111 R)
• M40: 23,856,672 km (0.044 R)
• M41: 24,626,652 km (0.064 R)
• M42: 26,542,851 km (0.028 R)
• M43: 26,631,114 km (0.072 R)
• M44: 27,251,496 km (0.107 R)
• M45: 27,787,056 km (0.05 R)
• M46: 28,236,000 km (0.094 R)
• M47: 28,506,622 km (0.089 R)
• M48: 29,597,340 km (0.075 R)
• M49: 29,963,855 km (0.099 R)
• M50: 30,516,619 km (0.105 R)
• M51: 33,140,117 km (0.108 R)
• M52: 33,425,550 km (0.108 R)
• M53: 36,225,723 km (0.034 R)
• M54: 36,519,683 km (0.116 R)
• M55: 37,703,451 km (0.114 R)
• M56: 39,000,015 km (0.053 R)
• M57: 39,100,246 km (0.106 R)
• M58: 41,431,729 km (0.098 R)
• M59: 42,976,177 km (0.059 R)
• M60: 43,599,402 km (0.113 R)
• M61: 45,592,195 km (0.069 R)
• M62: 46,121,472 km (0.119 R)
• M63: 48,582,656 km (0.113 R)
• M64: 49,774,652 km (0.114 R)
• M65: 50,210,581 km (0.106 R)
• M66: 50,319,637 km (0.093 R)
• M67: 52,408,772 km (0.116 R)
• M68: 52,630,326 km (0.042 R)
• M69: 52,741,178 km (0.078 R)
• M70: 53,854,485 km (0.082 R)
• M71: 54,638,229 km (0.075 R)
• M72: 55,313,065 km (0.099 R)
• M73: 55,651,605 km (0.115 R)
• M74: 57,696,907 km (0.061 R)
• M75: 57,925,642 km (0.114 R)
• M76: 59,766,593 km (0.095 R)
• M77: 61,043,411 km (0.116 R)
• M78: 61,393,171 km (0.094 R)
• M79: 65,761,429 km (0.093 R)
• M80: 66,959,109 km (0.044 R)
• M81: 69,011,742 km (0.08 R)
• M82: 71,575,700 km (0.115 R)
• M83: 72,190,696 km (0.041 R)
• M84: 73,054,774 km (0.112 R)
• M85: 76,796,217 km (0.038 R)
• M86: 77,299,913 km (0.054 R)
• M87: 78,563,566 km (0.119 R)
• M88: 79,706,793 km (0.043 R)
• M89: 80,089,015 km (0.117 R)
• M90: 80,471,986 km (0.054 R)
• M91: 81,495,983 km (0.104 R)
• M92: 81,881,048 km (0.099 R)
• M93: 82,009,553 km (0.045 R)
• M94: 84,983,708 km (0.117 R)
• M95: 86,549,399 km (0.116 R)
• M96: 87,598,529 km (0.061 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 20,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit