🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 13.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.96 AU - 1.1 AU

Year: 709 Days

Day: 9.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 39,186,951 km

• M1: 183,108 km (0.035 R)
• M2: 267,930 km (0.047 R)
• M3: 375,042 km (0.087 R)
• M4: 469,887 km (0.058 R)
• M5: 682,914 km (0.047 R)
• M6: 773,271 km (0.04 R)
• M7: 873,502 km (0.088 R)
• M8: 1,094,308 km (0.115 R)
• M9: 1,209,050 km (0.082 R)
• M10: 1,322,146 km (0.071 R)
• M11: 1,508,395 km (0.078 R)
• M12: 1,970,653 km (0.099 R)
• M13: 2,098,559 km (0.105 R)
• M14: 2,236,638 km (0.087 R)
• M15: 2,423,186 km (0.117 R)
• M16: 2,529,999 km (0.09 R)
• M17: 2,622,899 km (0.11 R)
• M18: 2,732,704 km (0.103 R)
• M19: 2,868,090 km (0.086 R)
• M20: 3,046,860 km (0.096 R)
• M21: 3,212,614 km (0.093 R)
• M22: 3,510,015 km (0.116 R)
• M23: 3,640,165 km (0.068 R)
• M24: 3,932,629 km (0.113 R)
• M25: 4,040,788 km (0.097 R)
• M26: 4,232,722 km (0.112 R)
• M27: 4,362,274 km (0.036 R)
• M28: 4,597,143 km (0.084 R)
• M29: 4,816,902 km (0.076 R)
• M30: 4,942,714 km (0.073 R)
• M31: 5,148,261 km (0.119 R)
• M32: 5,237,122 km (0.098 R)
• M33: 5,326,731 km (0.101 R)
• M34: 5,497,123 km (0.094 R)
• M35: 5,628,620 km (0.106 R)
• M36: 5,853,765 km (0.057 R)
• M37: 6,081,901 km (0.069 R)
• M38: 6,207,564 km (0.114 R)
• M39: 6,334,123 km (0.103 R)
• M40: 6,805,656 km (0.091 R)
• M41: 6,936,105 km (0.089 R)
• M42: 7,023,620 km (0.083 R)
• M43: 7,111,584 km (0.075 R)
• M44: 7,433,369 km (0.107 R)
• M45: 7,534,198 km (0.111 R)
• M46: 7,635,475 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.3

Radius: 12

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.01 AU - 1.29 AU

Year: 836 Days

Day: 7.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 39,186,951 km

• M1: 149,897 km (0.083 R)
• M2: 251,175 km (0.087 R)
• M3: 348,114 km (0.101 R)
• M4: 426,204 km (0.114 R)
• M5: 588,668 km (0.12 R)
• M6: 678,875 km (0.071 R)
• M7: 754,871 km (0.044 R)
• M8: 922,121 km (0.114 R)
• M9: 1,002,455 km (0.107 R)
• M10: 1,079,797 km (0.11 R)
• M11: 1,170,903 km (0.098 R)
• M12: 1,264,850 km (0.073 R)
• M13: 1,355,357 km (0.117 R)
• M14: 1,454,540 km (0.095 R)
• M15: 1,556,117 km (0.113 R)
• M16: 1,924,577 km (0.079 R)
• M17: 2,065,348 km (0.093 R)
• M18: 2,261,172 km (0.088 R)
• M19: 2,380,102 km (0.119 R)
• M20: 2,478,388 km (0.048 R)
• M21: 2,608,987 km (0.069 R)
• M22: 2,710,414 km (0.096 R)
• M23: 2,797,331 km (0.091 R)
• M24: 2,933,465 km (0.084 R)
• M25: 3,080,071 km (0.103 R)
• M26: 3,237,597 km (0.106 R)
• M27: 3,355,480 km (0.064 R)
• M28: 3,457,506 km (0.079 R)
• M29: 3,543,525 km (0.083 R)
• M30: 3,664,998 km (0.036 R)
• M31: 3,787,968 km (0.12 R)
• M32: 3,867,703 km (0.063 R)
• M33: 4,110,501 km (0.11 R)
• M34: 4,275,208 km (0.095 R)
• M35: 4,442,010 km (0.117 R)
• M36: 4,563,932 km (0.116 R)
• M37: 4,696,476 km (0.103 R)
• M38: 4,868,812 km (0.12 R)
• M39: 5,052,967 km (0.105 R)
• M40: 5,269,136 km (0.104 R)
• M41: 5,378,343 km (0.104 R)
• M42: 5,488,447 km (0.069 R)
• M43: 5,589,126 km (0.104 R)
• M44: 5,700,576 km (0.097 R)
• M45: 5,874,260 km (0.058 R)
• M46: 6,174,652 km (0.111 R)
• M47: 6,321,557 km (0.043 R)
• M48: 6,586,794 km (0.059 R)
• M49: 6,758,383 km (0.114 R)
• M50: 6,888,234 km (0.081 R)
• M51: 6,964,230 km (0.095 R)
• M52: 7,172,171 km (0.115 R)
• M53: 7,359,916 km (0.085 R)
• M54: 7,605,257 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.3

Radius: 9.7

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.71 AU - 2.87 AU

Year: 3161 Days

Day: 8.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 39,186,951 km

• M1: 121,324 km (0.115 R)
• M2: 204,650 km (0.092 R)
• M3: 365,617 km (0.088 R)
• M4: 593,904 km (0.082 R)
• M5: 690,394 km (0.117 R)
• M6: 792,570 km (0.087 R)
• M7: 856,597 km (0.098 R)
• M8: 978,669 km (0.117 R)
• M9: 1,059,751 km (0.112 R)
• M10: 1,525,898 km (0.108 R)
• M11: 1,634,656 km (0.032 R)
• M12: 2,050,987 km (0.12 R)
• M13: 2,232,748 km (0.106 R)
• M14: 2,499,631 km (0.095 R)
• M15: 2,628,734 km (0.045 R)
• M16: 2,710,564 km (0.119 R)
• M17: 2,944,385 km (0.116 R)
• M18: 3,012,452 km (0.03 R)
• M19: 3,098,322 km (0.069 R)
• M20: 3,167,585 km (0.091 R)
• M21: 3,378,369 km (0.091 R)
• M22: 3,467,679 km (0.084 R)
• M23: 3,612,190 km (0.035 R)
• M24: 3,703,445 km (0.117 R)
• M25: 4,038,694 km (0.112 R)
• M26: 4,133,539 km (0.085 R)
• M27: 4,559,743 km (0.105 R)
• M28: 5,061,345 km (0.066 R)
• M29: 5,454,189 km (0.106 R)
• M30: 5,921,533 km (0.089 R)
• M31: 6,116,459 km (0.061 R)
• M32: 6,225,665 km (0.093 R)
• M33: 6,357,610 km (0.074 R)
• M34: 6,781,421 km (0.105 R)
• M35: 6,985,473 km (0.079 R)
• M36: 7,076,877 km (0.1 R)
• M37: 7,191,618 km (0.117 R)
• M38: 7,283,771 km (0.067 R)
• M39: 7,586,258 km (0.084 R)
• M40: 7,703,692 km (0.063 R)
• M41: 7,892,933 km (0.043 R)
• M42: 8,011,864 km (0.089 R)
• M43: 8,107,606 km (0.111 R)
• M44: 8,445,398 km (0.073 R)
• M45: 8,787,828 km (0.117 R)
• M46: 9,184,711 km (0.099 R)
• M47: 9,714,587 km (0.09 R)
• M48: 9,842,194 km (0.097 R)
• M49: 9,944,668 km (0.088 R)
• M50: 10,358,306 km (0.07 R)
• M51: 10,541,115 km (0.049 R)
• M52: 10,698,492 km (0.116 R)
• M53: 10,856,766 km (0.094 R)
• M54: 11,986,380 km (0.083 R)
• M55: 12,343,620 km (0.119 R)
• M56: 12,592,999 km (0.087 R)
• M57: 13,096,695 km (0.049 R)
• M58: 13,181,218 km (0.086 R)
• M59: 13,606,974 km (0.063 R)
• M60: 13,835,858 km (0.105 R)
• M61: 14,239,473 km (0.071 R)
• M62: 14,559,463 km (0.109 R)
• M63: 14,969,960 km (0.094 R)
• M64: 15,443,886 km (0.045 R)
• M65: 16,073,394 km (0.118 R)
• M66: 16,285,075 km (0.108 R)
• M67: 16,589,057 km (0.106 R)
• M68: 17,079,439 km (0.072 R)
• M69: 18,326,038 km (0.057 R)
• M70: 18,420,734 km (0.111 R)
• M71: 19,024,212 km (0.085 R)
• M72: 19,120,104 km (0.052 R)
• M73: 19,376,515 km (0.108 R)
• M74: 19,925,240 km (0.08 R)
• M75: 19,990,165 km (0.107 R)
• M76: 21,005,037 km (0.08 R)
• M77: 21,468,940 km (0.088 R)
• M78: 22,271,981 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 9.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.71 AU - 3.77 AU

Year: 3956 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 39,186,951 km

• M1: 119,828 km (0.108 R)
• M2: 418,575 km (0.085 R)
• M3: 525,238 km (0.101 R)
• M4: 604,525 km (0.106 R)
• M5: 712,086 km (0.116 R)
• M6: 1,019,809 km (0.055 R)
• M7: 1,121,984 km (0.102 R)
• M8: 1,237,623 km (0.1 R)
• M9: 1,347,278 km (0.115 R)
• M10: 1,576,462 km (0.085 R)
• M11: 2,301,114 km (0.103 R)
• M12: 2,449,815 km (0.105 R)
• M13: 2,769,954 km (0.101 R)
• M14: 3,049,403 km (0.102 R)
• M15: 3,117,171 km (0.075 R)
• M16: 3,199,300 km (0.035 R)
• M17: 3,956,116 km (0.108 R)
• M18: 4,240,651 km (0.108 R)
• M19: 4,301,388 km (0.076 R)
• M20: 4,845,475 km (0.119 R)
• M21: 5,710,450 km (0.092 R)
• M22: 5,879,047 km (0.119 R)
• M23: 5,980,923 km (0.109 R)
• M24: 6,049,289 km (0.103 R)
• M25: 6,728,763 km (0.102 R)
• M26: 6,996,543 km (0.104 R)
• M27: 7,213,310 km (0.118 R)
• M28: 7,322,517 km (0.026 R)
• M29: 7,413,921 km (0.094 R)
• M30: 7,970,575 km (0.069 R)
• M31: 8,406,652 km (0.045 R)
• M32: 8,579,288 km (0.115 R)
• M33: 8,850,360 km (0.042 R)
• M34: 9,321,443 km (0.098 R)
• M35: 10,084,243 km (0.109 R)
• M36: 10,186,119 km (0.073 R)
• M37: 10,370,274 km (0.03 R)
• M38: 10,431,908 km (0.08 R)
• M39: 10,950,415 km (0.113 R)
• M40: 12,402,860 km (0.102 R)
• M41: 12,797,499 km (0.073 R)
• M42: 13,062,886 km (0.094 R)
• M43: 13,285,338 km (0.077 R)
• M44: 13,779,310 km (0.038 R)
• M45: 15,133,620 km (0.094 R)
• M46: 15,933,220 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.4

Radius: 11.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.49 AU - 3.51 AU

Year: 4441 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,186,951 km

• M1: 143,315 km (0.111 R)
• M2: 345,721 km (0.093 R)
• M3: 608,714 km (0.105 R)
• M4: 800,349 km (0.106 R)
• M5: 973,733 km (0.041 R)
• M6: 1,119,291 km (0.11 R)
• M7: 1,322,595 km (0.066 R)
• M8: 1,523,056 km (0.109 R)
• M9: 1,615,358 km (0.109 R)
• M10: 1,693,897 km (0.086 R)
• M11: 1,920,837 km (0.083 R)
• M12: 2,494,993 km (0.078 R)
• M13: 2,763,671 km (0.074 R)
• M14: 2,915,962 km (0.111 R)
• M15: 3,189,427 km (0.092 R)
• M16: 3,269,013 km (0.104 R)
• M17: 3,440,601 km (0.088 R)
• M18: 3,688,036 km (0.117 R)
• M19: 3,792,755 km (0.085 R)
• M20: 4,167,497 km (0.091 R)
• M21: 4,320,835 km (0.104 R)
• M22: 4,409,248 km (0.111 R)
• M23: 4,872,103 km (0.117 R)
• M24: 5,244,303 km (0.094 R)
• M25: 5,856,457 km (0.099 R)
• M26: 6,065,595 km (0.117 R)
• M27: 7,570,999 km (0.079 R)
• M28: 7,812,450 km (0.116 R)
• M29: 7,961,299 km (0.109 R)
• M30: 8,070,207 km (0.08 R)
• M31: 8,358,332 km (0.051 R)
• M32: 8,916,482 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.8

Radius: 10.2

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.98 AU - 4.42 AU

Year: 5838 Days

Day: 5.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 39,186,951 km

• M1: 127,607 km (0.08 R)
• M2: 376,388 km (0.029 R)
• M3: 477,516 km (0.068 R)
• M4: 589,715 km (0.097 R)
• M5: 654,191 km (0.12 R)
• M6: 761,154 km (0.031 R)
• M7: 842,984 km (0.114 R)
• M8: 1,118,842 km (0.091 R)
• M9: 1,261,559 km (0.091 R)
• M10: 1,526,347 km (0.081 R)
• M11: 1,618,499 km (0.111 R)
• M12: 2,006,556 km (0.082 R)
• M13: 2,078,962 km (0.111 R)
• M14: 2,152,265 km (0.062 R)
• M15: 2,301,563 km (0.077 R)
• M16: 2,408,077 km (0.103 R)
• M17: 2,531,944 km (0.108 R)
• M18: 2,642,048 km (0.064 R)
• M19: 2,721,784 km (0.107 R)
• M20: 2,834,730 km (0.097 R)
• M21: 2,916,261 km (0.093 R)
• M22: 3,015,295 km (0.056 R)
• M23: 3,149,185 km (0.109 R)
• M24: 3,492,362 km (0.076 R)
• M25: 3,811,754 km (0.109 R)
• M26: 3,902,111 km (0.096 R)
• M27: 4,177,521 km (0.083 R)
• M28: 4,383,666 km (0.07 R)
• M29: 4,535,658 km (0.09 R)
• M30: 5,081,540 km (0.043 R)
• M31: 5,261,507 km (0.12 R)
• M32: 5,627,722 km (0.109 R)
• M33: 5,730,945 km (0.107 R)
• M34: 6,192,454 km (0.038 R)
• M35: 6,320,510 km (0.11 R)
• M36: 6,535,781 km (0.109 R)
• M37: 6,644,389 km (0.109 R)
• M38: 6,863,251 km (0.118 R)
• M39: 6,929,373 km (0.118 R)
• M40: 7,375,923 km (0.097 R)
• M41: 7,466,280 km (0.094 R)
• M42: 7,900,862 km (0.113 R)
• M43: 8,320,185 km (0.114 R)
• M44: 8,914,687 km (0.105 R)
• M45: 9,132,052 km (0.087 R)
• M46: 9,375,598 km (0.103 R)
• M47: 10,119,398 km (0.11 R)
• M48: 10,779,125 km (0.106 R)
• M49: 10,907,630 km (0.116 R)
• M50: 11,192,165 km (0.097 R)
• M51: 11,715,757 km (0.064 R)
• M52: 11,794,895 km (0.062 R)
• M53: 12,007,024 km (0.088 R)
• M54: 12,220,500 km (0.077 R)
• M55: 12,813,806 km (0.097 R)
• M56: 13,554,913 km (0.066 R)
• M57: 14,084,789 km (0.06 R)
• M58: 14,281,660 km (0.113 R)
• M59: 15,279,927 km (0.103 R)
• M60: 15,569,249 km (0.073 R)
• M61: 15,948,180 km (0.116 R)
• M62: 16,300,633 km (0.082 R)
• M63: 17,162,915 km (0.092 R)
• M64: 17,313,111 km (0.097 R)
• M65: 17,887,866 km (0.112 R)
• M66: 19,055,926 km (0.117 R)
• M67: 19,305,007 km (0.059 R)
• M68: 19,492,603 km (0.084 R)
• M69: 20,280,385 km (0.079 R)
• M70: 20,694,173 km (0.114 R)
• M71: 20,886,107 km (0.062 R)
• M72: 21,078,639 km (0.095 R)
• M73: 21,530,126 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.3

Radius: 3.4

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.23 AU - 8.61 AU

Year: 16571 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 39,186,951 km

• M1: 161,416 km (0.105 R)
• M2: 187,895 km (0.047 R)
• M3: 367,263 km (0.114 R)
• M4: 428,448 km (0.098 R)
• M5: 1,012,329 km (0.097 R)
• M6: 1,134,550 km (0.116 R)
• M7: 1,170,454 km (0.105 R)
• M8: 1,336,208 km (0.03 R)
• M9: 2,049,042 km (0.106 R)
• M10: 2,070,883 km (0.089 R)
• M11: 2,203,577 km (0.062 R)
• M12: 2,226,016 km (0.116 R)
• M13: 2,293,635 km (0.052 R)
• M14: 2,407,927 km (0.119 R)
• M15: 2,500,678 km (0.096 R)
• M16: 2,642,048 km (0.12 R)
• M17: 2,689,770 km (0.099 R)
• M18: 2,786,111 km (0.11 R)
• M19: 2,810,346 km (0.071 R)
• M20: 2,932,567 km (0.037 R)
• M21: 3,258,690 km (0.12 R)
• M22: 3,782,433 km (0.095 R)
• M23: 3,890,293 km (0.117 R)
• M24: 4,081,628 km (0.069 R)
• M25: 4,192,181 km (0.117 R)
• M26: 4,331,906 km (0.091 R)
• M27: 4,388,304 km (0.053 R)
• M28: 4,558,696 km (0.102 R)
• M29: 4,789,376 km (0.098 R)
• M30: 5,382,232 km (0.12 R)
• M31: 6,123,938 km (0.097 R)
• M32: 6,538,773 km (0.031 R)
• M33: 7,395,670 km (0.046 R)
• M34: 7,496,648 km (0.12 R)
• M35: 8,147,698 km (0.063 R)
• M36: 8,532,763 km (0.096 R)
• M37: 8,603,374 km (0.074 R)
• M38: 8,816,551 km (0.115 R)
• M39: 8,852,304 km (0.1 R)
• M40: 9,103,479 km (0.09 R)
• M41: 10,469,607 km (0.057 R)
• M42: 10,849,735 km (0.113 R)
• M43: 11,350,589 km (0.098 R)
• M44: 12,294,701 km (0.114 R)
• M45: 12,454,621 km (0.087 R)
• M46: 13,551,174 km (0.059 R)
• M47: 14,048,437 km (0.074 R)
• M48: 14,173,650 km (0.065 R)
• M49: 14,890,374 km (0.079 R)
• M50: 15,575,532 km (0.089 R)
• M51: 15,705,233 km (0.051 R)
• M52: 15,922,001 km (0.097 R)
• M53: 16,271,012 km (0.043 R)
• M54: 16,358,677 km (0.105 R)
• M55: 16,402,509 km (0.087 R)
• M56: 16,666,699 km (0.081 R)
• M57: 16,887,804 km (0.099 R)
• M58: 17,467,347 km (0.112 R)
• M59: 17,782,100 km (0.093 R)
• M60: 17,917,636 km (0.104 R)
• M61: 18,326,188 km (0.06 R)
• M62: 18,829,585 km (0.118 R)
• M63: 19,059,816 km (0.11 R)
• M64: 19,569,945 km (0.094 R)
• M65: 19,943,640 km (0.082 R)
• M66: 20,037,438 km (0.103 R)
• M67: 20,555,944 km (0.108 R)
• M68: 20,603,217 km (0.114 R)
• M69: 20,983,495 km (0.086 R)
• M70: 21,558,100 km (0.073 R)
• M71: 21,702,462 km (0.103 R)
• M72: 21,992,383 km (0.101 R)
• M73: 22,040,853 km (0.057 R)
• M74: 22,429,508 km (0.097 R)
• M75: 23,808,052 km (0.073 R)
• M76: 23,907,535 km (0.094 R)
• M77: 25,264,388 km (0.086 R)
• M78: 26,028,833 km (0.092 R)
• M79: 26,542,851 km (0.087 R)
• M80: 27,060,011 km (0.102 R)
• M81: 27,163,832 km (0.11 R)
• M82: 27,319,862 km (0.116 R)
• M83: 27,528,402 km (0.055 R)
• M84: 29,108,754 km (0.114 R)
• M85: 29,588,664 km (0.082 R)
• M86: 31,370,374 km (0.038 R)
• M87: 32,466,927 km (0.104 R)
• M88: 32,632,532 km (0.101 R)
• M89: 33,019,990 km (0.117 R)
• M90: 34,979,872 km (0.087 R)
• M91: 35,489,851 km (0.072 R)
• M92: 35,546,698 km (0.097 R)
• M93: 39,010,936 km (0.081 R)
• M94: 39,069,578 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 14,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit