🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.48 AU - 0.7 AU

Year: 166 Days

Day: 27 Hours

Environment

Temp: 186 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.07 AU - 1.17 AU

Year: 435 Days

Day: 44.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 39.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 72,664,746 km

• M1: 69,713 km (0.042 R)
• M2: 911,949 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.5

Radius: 11

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.15 AU - 5.89 AU

Year: 4129 Days

Day: 8.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 72,664,746 km

• M1: 152,590 km (0.116 R)
• M2: 320,439 km (0.077 R)
• M3: 520,451 km (0.106 R)
• M4: 609,462 km (0.112 R)
• M5: 685,009 km (0.076 R)
• M6: 889,509 km (0.101 R)
• M7: 1,056,460 km (0.097 R)
• M8: 1,185,862 km (0.067 R)
• M9: 1,526,347 km (0.068 R)
• M10: 1,633,160 km (0.118 R)
• M11: 1,714,990 km (0.087 R)
• M12: 1,784,254 km (0.103 R)
• M13: 1,854,565 km (0.087 R)
• M14: 2,115,613 km (0.065 R)
• M15: 2,281,068 km (0.07 R)
• M16: 2,388,779 km (0.066 R)
• M17: 2,819,770 km (0.103 R)
• M18: 3,327,356 km (0.092 R)
• M19: 3,414,721 km (0.079 R)
• M20: 3,699,705 km (0.11 R)
• M21: 3,790,361 km (0.091 R)
• M22: 3,918,567 km (0.075 R)
• M23: 4,048,268 km (0.117 R)
• M24: 4,620,031 km (0.114 R)
• M25: 4,915,636 km (0.046 R)
• M26: 5,015,568 km (0.085 R)
• M27: 5,319,401 km (0.063 R)
• M28: 5,463,165 km (0.073 R)
• M29: 5,902,534 km (0.066 R)
• M30: 6,180,337 km (0.083 R)
• M31: 6,593,975 km (0.104 R)
• M32: 6,837,670 km (0.118 R)
• M33: 7,242,781 km (0.066 R)
• M34: 7,333,886 km (0.067 R)
• M35: 7,563,369 km (0.12 R)
• M36: 7,795,246 km (0.059 R)
• M37: 7,958,906 km (0.101 R)
• M38: 8,242,095 km (0.084 R)
• M39: 8,313,453 km (0.048 R)
• M40: 8,697,471 km (0.057 R)
• M41: 9,284,343 km (0.087 R)
• M42: 9,607,624 km (0.098 R)
• M43: 10,419,192 km (0.113 R)
• M44: 10,547,996 km (0.095 R)
• M45: 10,911,369 km (0.119 R)
• M46: 11,068,447 km (0.087 R)
• M47: 11,784,423 km (0.063 R)
• M48: 11,918,762 km (0.071 R)
• M49: 12,161,559 km (0.112 R)
• M50: 12,460,755 km (0.08 R)
• M51: 12,707,292 km (0.09 R)
• M52: 12,872,598 km (0.092 R)
• M53: 13,066,327 km (0.095 R)
• M54: 13,233,128 km (0.072 R)
• M55: 13,625,224 km (0.1 R)
• M56: 13,709,747 km (0.089 R)
• M57: 13,794,420 km (0.073 R)
• M58: 14,420,786 km (0.116 R)
• M59: 15,056,427 km (0.095 R)
• M60: 15,495,048 km (0.075 R)
• M61: 15,583,311 km (0.037 R)
• M62: 16,027,018 km (0.064 R)
• M63: 16,354,937 km (0.107 R)
• M64: 16,685,249 km (0.1 R)
• M65: 16,836,044 km (0.049 R)
• M66: 17,169,647 km (0.109 R)
• M67: 17,382,973 km (0.12 R)
• M68: 17,904,771 km (0.034 R)
• M69: 18,121,089 km (0.115 R)
• M70: 18,214,139 km (0.068 R)
• M71: 18,712,749 km (0.056 R)
• M72: 19,152,866 km (0.109 R)
• M73: 19,787,310 km (0.079 R)
• M74: 19,947,081 km (0.085 R)
• M75: 20,171,328 km (0.105 R)
• M76: 20,752,067 km (0.07 R)
• M77: 21,044,531 km (0.058 R)
• M78: 21,272,817 km (0.082 R)
• M79: 21,469,239 km (0.052 R)
• M80: 21,567,675 km (0.099 R)
• M81: 21,863,878 km (0.079 R)
• M82: 22,095,306 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.8

Radius: 14.1

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.63 AU - 6.33 AU

Year: 4709 Days

Day: 11.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 72,664,746 km

• M1: 242,648 km (0.117 R)
• M2: 391,498 km (0.113 R)
• M3: 862,432 km (0.087 R)
• M4: 954,434 km (0.062 R)
• M5: 1,149,959 km (0.104 R)
• M6: 1,328,728 km (0.088 R)
• M7: 1,648,120 km (0.081 R)
• M8: 2,552,289 km (0.114 R)
• M9: 3,014,247 km (0.096 R)
• M10: 3,351,291 km (0.114 R)
• M11: 3,678,612 km (0.077 R)
• M12: 4,722,206 km (0.096 R)
• M13: 4,843,680 km (0.099 R)
• M14: 4,966,201 km (0.069 R)
• M15: 5,264,648 km (0.082 R)
• M16: 5,365,328 km (0.113 R)
• M17: 5,517,768 km (0.091 R)
• M18: 6,274,733 km (0.097 R)
• M19: 6,870,881 km (0.071 R)
• M20: 7,259,685 km (0.071 R)
• M21: 7,372,183 km (0.113 R)
• M22: 7,684,394 km (0.119 R)
• M23: 7,799,135 km (0.051 R)
• M24: 8,175,673 km (0.106 R)
• M25: 8,498,954 km (0.055 R)
• M26: 9,158,232 km (0.102 R)
• M27: 9,927,614 km (0.096 R)
• M28: 10,052,528 km (0.118 R)
• M29: 11,039,425 km (0.032 R)
• M30: 11,462,338 km (0.09 R)
• M31: 11,758,393 km (0.076 R)
• M32: 11,857,576 km (0.042 R)
• M33: 11,990,419 km (0.107 R)
• M34: 12,797,350 km (0.086 R)
• M35: 13,656,490 km (0.079 R)
• M36: 14,428,116 km (0.09 R)
• M37: 14,747,807 km (0.118 R)
• M38: 14,926,576 km (0.073 R)
• M39: 15,034,137 km (0.037 R)
• M40: 15,322,113 km (0.081 R)
• M41: 15,466,774 km (0.113 R)
• M42: 16,529,667 km (0.12 R)
• M43: 17,163,663 km (0.104 R)
• M44: 17,691,743 km (0.059 R)
• M45: 18,072,171 km (0.108 R)
• M46: 18,841,403 km (0.034 R)
• M47: 19,113,073 km (0.036 R)
• M48: 19,307,999 km (0.06 R)
• M49: 19,542,718 km (0.086 R)
• M50: 20,491,318 km (0.105 R)
• M51: 21,091,654 km (0.106 R)
• M52: 21,779,206 km (0.093 R)
• M53: 21,901,278 km (0.047 R)
• M54: 22,146,170 km (0.04 R)
• M55: 22,391,959 km (0.059 R)
• M56: 23,509,305 km (0.052 R)
• M57: 23,927,581 km (0.12 R)
• M58: 24,475,259 km (0.08 R)
• M59: 24,771,911 km (0.04 R)
• M60: 25,283,087 km (0.044 R)
• M61: 26,013,275 km (0.09 R)
• M62: 26,186,210 km (0.119 R)
• M63: 26,359,444 km (0.108 R)
• M64: 27,406,629 km (0.043 R)
• M65: 27,847,045 km (0.081 R)
• M66: 27,935,458 km (0.112 R)
• M67: 28,023,870 km (0.108 R)
• M68: 28,512,008 km (0.075 R)
• M69: 28,601,168 km (0.067 R)
• M70: 30,174,639 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.1

Radius: 12.2

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.62 AU - 8.56 AU

Year: 6930 Days

Day: 11.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 72,664,746 km

• M1: 188,045 km (0.074 R)
• M2: 330,910 km (0.112 R)
• M3: 475,422 km (0.105 R)
• M4: 594,652 km (0.082 R)
• M5: 712,086 km (0.087 R)
• M6: 927,208 km (0.1 R)
• M7: 1,148,164 km (0.103 R)
• M8: 1,641,687 km (0.101 R)
• M9: 1,755,830 km (0.077 R)
• M10: 1,952,103 km (0.027 R)
• M11: 2,114,566 km (0.087 R)
• M12: 2,562,312 km (0.065 R)
• M13: 2,673,464 km (0.119 R)
• M14: 2,923,591 km (0.114 R)
• M15: 3,110,439 km (0.116 R)
• M16: 3,694,768 km (0.093 R)
• M17: 3,795,448 km (0.079 R)
• M18: 3,922,755 km (0.066 R)
• M19: 4,181,560 km (0.115 R)
• M20: 4,419,271 km (0.109 R)
• M21: 4,634,392 km (0.089 R)
• M22: 4,798,053 km (0.104 R)
• M23: 5,103,232 km (0.06 R)
• M24: 5,587,181 km (0.093 R)
• M25: 5,761,612 km (0.065 R)
• M26: 5,878,897 km (0.066 R)
• M27: 6,722,031 km (0.063 R)
• M28: 6,814,781 km (0.111 R)
• M29: 7,157,959 km (0.082 R)
• M30: 7,379,364 km (0.035 R)
• M31: 8,089,954 km (0.072 R)
• M32: 8,387,055 km (0.09 R)
• M33: 8,620,577 km (0.091 R)
• M34: 8,822,534 km (0.089 R)
• M35: 9,094,055 km (0.033 R)
• M36: 9,334,159 km (0.104 R)
• M37: 9,541,502 km (0.08 R)
• M38: 9,715,484 km (0.057 R)
• M39: 10,137,350 km (0.108 R)
• M40: 10,673,210 km (0.099 R)
• M41: 10,890,127 km (0.101 R)
• M42: 11,475,802 km (0.099 R)
• M43: 11,735,205 km (0.039 R)
• M44: 12,034,102 km (0.064 R)
• M45: 12,525,231 km (0.106 R)
• M46: 13,022,943 km (0.108 R)
• M47: 13,527,238 km (0.076 R)
• M48: 14,196,240 km (0.071 R)
• M49: 14,355,262 km (0.043 R)
• M50: 15,484,726 km (0.108 R)
• M51: 15,689,525 km (0.108 R)
• M52: 16,350,598 km (0.092 R)
• M53: 17,785,541 km (0.089 R)
• M54: 19,128,930 km (0.109 R)
• M55: 20,280,684 km (0.063 R)
• M56: 21,272,668 km (0.082 R)
• M57: 22,142,280 km (0.114 R)
• M58: 22,326,734 km (0.114 R)
• M59: 22,650,913 km (0.091 R)
• M60: 22,930,062 km (0.055 R)
• M61: 23,632,724 km (0.082 R)
• M62: 24,057,881 km (0.09 R)
• M63: 24,390,138 km (0.102 R)
• M64: 24,867,654 km (0.038 R)
• M65: 25,059,439 km (0.11 R)
• M66: 25,541,293 km (0.081 R)
• M67: 26,367,223 km (0.112 R)
• M68: 27,796,631 km (0.09 R)
• M69: 28,245,275 km (0.047 R)
• M70: 28,998,500 km (0.116 R)
• M71: 29,910,897 km (0.033 R)
• M72: 31,193,849 km (0.117 R)
• M73: 31,400,892 km (0.114 R)
• M74: 31,504,564 km (0.116 R)
• M75: 32,442,393 km (0.107 R)
• M76: 32,547,261 km (0.084 R)
• M77: 32,914,823 km (0.052 R)
• M78: 33,389,497 km (0.116 R)
• M79: 33,548,370 km (0.066 R)
• M80: 33,972,779 km (0.107 R)
• M81: 34,934,544 km (0.028 R)
• M82: 36,013,593 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.8

Radius: 5.1

Gravity: 18.72 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 15.62 AU - 18.86 AU

Year: 26277 Days

Day: 20.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 72,664,746 km

• M1: 70,760 km (0.12 R)
• M2: 111,151 km (0.097 R)
• M3: 198,217 km (0.06 R)
• M4: 404,662 km (0.055 R)
• M5: 507,586 km (0.031 R)
• M6: 840,291 km (0.113 R)
• M7: 1,171,052 km (0.081 R)
• M8: 1,802,505 km (0.036 R)
• M9: 2,952,164 km (0.062 R)
• M10: 3,404,548 km (0.082 R)
• M11: 3,531,707 km (0.049 R)
• M12: 4,372,596 km (0.119 R)
• M13: 4,418,523 km (0.056 R)
• M14: 4,791,769 km (0.117 R)
• M15: 4,934,336 km (0.117 R)
• M16: 5,126,569 km (0.065 R)
• M17: 5,717,930 km (0.114 R)
• M18: 6,021,763 km (0.086 R)
• M19: 6,175,550 km (0.114 R)
• M20: 6,434,952 km (0.087 R)
• M21: 6,644,988 km (0.104 R)
• M22: 7,179,950 km (0.045 R)
• M23: 7,234,254 km (0.081 R)
• M24: 7,397,764 km (0.096 R)
• M25: 9,040,947 km (0.098 R)
• M26: 9,692,745 km (0.08 R)
• M27: 11,800,729 km (0.101 R)
• M28: 12,122,215 km (0.077 R)
• M29: 12,381,617 km (0.112 R)
• M30: 12,839,836 km (0.084 R)
• M31: 13,037,903 km (0.114 R)
• M32: 13,437,030 km (0.061 R)
• M33: 13,638,090 km (0.095 R)
• M34: 14,452,501 km (0.104 R)
• M35: 15,844,359 km (0.111 R)
• M36: 16,556,296 km (0.115 R)
• M37: 16,916,078 km (0.084 R)
• M38: 17,060,740 km (0.038 R)
• M39: 17,570,270 km (0.064 R)
• M40: 18,828,388 km (0.112 R)
• M41: 18,978,435 km (0.1 R)
• M42: 20,038,934 km (0.03 R)
• M43: 21,040,791 km (0.076 R)
• M44: 21,665,362 km (0.064 R)
• M45: 23,333,677 km (0.101 R)
• M46: 26,121,135 km (0.112 R)
• M47: 26,204,760 km (0.086 R)
• M48: 26,960,827 km (0.097 R)
• M49: 28,151,028 km (0.108 R)
• M50: 28,236,748 km (0.118 R)
• M51: 29,011,665 km (0.118 R)
• M52: 31,289,591 km (0.088 R)
• M53: 33,806,127 km (0.063 R)
• M54: 33,988,337 km (0.066 R)
• M55: 34,445,359 km (0.116 R)
• M56: 36,480,189 km (0.099 R)
• M57: 37,512,115 km (0.119 R)
• M58: 37,984,395 km (0.104 R)
• M59: 38,079,091 km (0.107 R)
• M60: 38,553,615 km (0.117 R)
• M61: 41,344,663 km (0.097 R)
• M62: 42,420,271 km (0.119 R)
• M63: 43,208,353 km (0.059 R)
• M64: 44,898,809 km (0.096 R)
• M65: 49,683,846 km (0.103 R)
• M66: 49,787,518 km (0.046 R)
• M67: 51,558,906 km (0.082 R)
• M68: 53,562,919 km (0.079 R)
• M69: 53,669,134 km (0.1 R)
• M70: 53,775,498 km (0.087 R)
• M71: 57,755,699 km (0.068 R)
• M72: 58,847,763 km (0.105 R)
• M73: 58,957,269 km (0.082 R)
• M74: 60,277,470 km (0.111 R)
• M75: 61,941,298 km (0.109 R)
• M76: 63,283,190 km (0.101 R)
• M77: 64,070,374 km (0.108 R)
• M78: 65,540,922 km (0.085 R)
• M79: 66,337,231 km (0.115 R)
• M80: 66,451,374 km (0.07 R)
• M81: 68,169,655 km (0.105 R)
• M82: 69,786,659 km (0.112 R)
• M83: 69,902,597 km (0.09 R)
• M84: 72,705,313 km (0.093 R)
• M85: 73,293,831 km (0.09 R)
• M86: 73,647,630 km (0.066 R)
• M87: 74,357,173 km (0.069 R)
• M88: 74,831,398 km (0.116 R)
• M89: 75,901,920 km (0.093 R)
• M90: 76,140,529 km (0.068 R)
• M91: 76,498,966 km (0.054 R)
• M92: 77,817,820 km (0.057 R)
• M93: 81,330,678 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.8

Radius: 7.3

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 16.02 AU - 20.42 AU

Year: 28549 Days

Day: 23.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 72,664,746 km

• M1: 97,239 km (0.057 R)
• M2: 142,716 km (0.08 R)
• M3: 296,054 km (0.118 R)
• M4: 607,367 km (0.113 R)
• M5: 760,556 km (0.113 R)
• M6: 877,990 km (0.082 R)
• M7: 1,641,388 km (0.099 R)
• M8: 1,857,706 km (0.096 R)
• M9: 2,702,486 km (0.113 R)
• M10: 2,884,247 km (0.108 R)
• M11: 3,610,844 km (0.074 R)
• M12: 4,097,934 km (0.098 R)
• M13: 4,264,886 km (0.101 R)
• M14: 4,434,081 km (0.104 R)
• M15: 4,648,754 km (0.066 R)
• M16: 5,177,732 km (0.049 R)
• M17: 5,267,790 km (0.085 R)
• M18: 5,449,402 km (0.119 R)
• M19: 7,275,393 km (0.082 R)
• M20: 7,528,662 km (0.107 R)
• M21: 8,358,482 km (0.075 R)
• M22: 8,570,462 km (0.114 R)
• M23: 8,730,532 km (0.117 R)
• M24: 9,271,627 km (0.076 R)
• M25: 9,601,491 km (0.093 R)
• M26: 10,159,640 km (0.099 R)
• M27: 11,074,730 km (0.112 R)
• M28: 11,424,640 km (0.1 R)
• M29: 11,837,530 km (0.058 R)
• M30: 11,896,920 km (0.092 R)
• M31: 12,015,851 km (0.095 R)
• M32: 12,375,484 km (0.062 R)
• M33: 12,921,366 km (0.106 R)
• M34: 13,848,724 km (0.117 R)
• M35: 14,542,259 km (0.074 R)
• M36: 14,669,567 km (0.096 R)
• M37: 14,925,380 km (0.084 R)
• M38: 15,897,616 km (0.116 R)
• M39: 16,358,228 km (0.071 R)
• M40: 16,557,044 km (0.108 R)
• M41: 16,890,198 km (0.07 R)
• M42: 17,292,766 km (0.101 R)
• M43: 18,450,653 km (0.112 R)
• M44: 18,519,618 km (0.064 R)
• M45: 18,657,697 km (0.114 R)
• M46: 20,840,629 km (0.117 R)
• M47: 22,659,141 km (0.101 R)
• M48: 24,376,524 km (0.115 R)
• M49: 24,679,460 km (0.063 R)
• M50: 24,831,451 km (0.079 R)
• M51: 25,212,627 km (0.028 R)
• M52: 27,147,526 km (0.098 R)
• M53: 27,461,532 km (0.082 R)
• M54: 27,540,220 km (0.067 R)
• M55: 27,776,734 km (0.027 R)
• M56: 27,934,859 km (0.099 R)
• M57: 28,809,408 km (0.057 R)
• M58: 29,935,581 km (0.067 R)
• M59: 30,016,514 km (0.109 R)
• M60: 31,651,618 km (0.11 R)
• M61: 34,581,792 km (0.078 R)
• M62: 34,666,913 km (0.09 R)
• M63: 34,922,277 km (0.106 R)
• M64: 35,263,659 km (0.058 R)
• M65: 35,349,229 km (0.114 R)
• M66: 37,335,739 km (0.03 R)
• M67: 37,422,955 km (0.116 R)
• M68: 39,535,875 km (0.116 R)
• M69: 39,624,736 km (0.026 R)
• M70: 40,248,709 km (0.03 R)
• M71: 43,416,892 km (0.102 R)
• M72: 44,152,316 km (0.103 R)
• M73: 44,891,778 km (0.053 R)
• M74: 45,915,326 km (0.043 R)
• M75: 50,181,559 km (0.101 R)
• M76: 51,146,614 km (0.059 R)
• M77: 51,825,938 km (0.105 R)
• M78: 52,117,953 km (0.092 R)
• M79: 52,215,342 km (0.101 R)
• M80: 53,193,263 km (0.117 R)
• M81: 55,863,734 km (0.044 R)
• M82: 57,366,146 km (0.104 R)
• M83: 57,466,676 km (0.085 R)
• M84: 59,491,632 km (0.087 R)
• M85: 60,820,361 km (0.103 R)
• M86: 62,469,079 km (0.079 R)
• M87: 62,779,794 km (0.098 R)
• M88: 63,506,989 km (0.041 R)
• M89: 64,864,739 km (0.088 R)
• M90: 66,337,680 km (0.12 R)
• M91: 66,760,443 km (0.103 R)
• M92: 67,821,541 km (0.095 R)
• M93: 71,254,214 km (0.101 R)
• M94: 71,795,608 km (0.074 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 11,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit