🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.55 AU - 0.77 AU

Year: 241 Days

Day: 45.6 Hours

Environment

Temp: -3 °C

Axial Tilt: 19.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.87 AU - 1.09 AU

Year: 436 Days

Day: 23.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.87 AU - 1.23 AU

Year: 484 Days

Day: 39.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.11 AU - 1.67 AU

Year: 737 Days

Day: 38.7 Hours

Environment

Temp: -109 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,051,472 km

• M1: 708,645 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.84 AU - 2.7 AU

Year: 1538 Days

Day: 40.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.3

Radius: 12.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.88 AU - 2.78 AU

Year: 1599 Days

Day: 8.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 92,051,472 km

• M1: 167,101 km (0.052 R)
• M2: 263,292 km (0.104 R)
• M3: 349,161 km (0.063 R)
• M4: 429,944 km (0.06 R)
• M5: 587,770 km (0.103 R)
• M6: 678,277 km (0.108 R)
• M7: 814,261 km (0.038 R)
• M8: 1,070,522 km (0.113 R)
• M9: 1,169,855 km (0.099 R)
• M10: 1,272,330 km (0.112 R)
• M11: 1,529,937 km (0.094 R)
• M12: 1,616,704 km (0.08 R)
• M13: 2,028,398 km (0.093 R)
• M14: 2,241,874 km (0.113 R)
• M15: 2,361,402 km (0.056 R)
• M16: 2,452,507 km (0.059 R)
• M17: 2,680,345 km (0.037 R)
• M18: 3,348,599 km (0.111 R)
• M19: 3,451,522 km (0.047 R)
• M20: 3,625,504 km (0.11 R)
• M21: 3,766,874 km (0.105 R)
• M22: 3,922,007 km (0.104 R)
• M23: 4,164,954 km (0.034 R)
• M24: 4,400,421 km (0.061 R)
• M25: 4,564,081 km (0.089 R)
• M26: 4,742,701 km (0.113 R)
• M27: 4,897,535 km (0.097 R)
• M28: 4,988,790 km (0.12 R)
• M29: 5,119,987 km (0.119 R)
• M30: 5,385,823 km (0.047 R)
• M31: 5,493,533 km (0.111 R)
• M32: 5,588,378 km (0.087 R)
• M33: 5,986,907 km (0.095 R)
• M34: 6,352,225 km (0.105 R)
• M35: 6,566,299 km (0.106 R)
• M36: 7,001,629 km (0.055 R)
• M37: 7,163,644 km (0.11 R)
• M38: 7,312,045 km (0.095 R)
• M39: 7,536,442 km (0.073 R)
• M40: 7,642,058 km (0.118 R)
• M41: 7,869,895 km (0.1 R)
• M42: 7,977,007 km (0.081 R)
• M43: 8,099,977 km (0.046 R)
• M44: 8,192,727 km (0.12 R)
• M45: 8,379,126 km (0.085 R)
• M46: 8,504,190 km (0.112 R)
• M47: 8,629,852 km (0.114 R)
• M48: 8,756,263 km (0.056 R)
• M49: 8,867,264 km (0.101 R)
• M50: 9,026,736 km (0.091 R)
• M51: 9,283,894 km (0.109 R)
• M52: 9,559,753 km (0.119 R)
• M53: 9,657,739 km (0.103 R)
• M54: 9,821,848 km (0.083 R)
• M55: 10,020,065 km (0.066 R)
• M56: 10,152,908 km (0.11 R)
• M57: 10,521,368 km (0.071 R)
• M58: 10,707,168 km (0.064 R)
• M59: 10,979,437 km (0.118 R)
• M60: 11,150,726 km (0.094 R)
• M61: 11,426,884 km (0.064 R)
• M62: 11,810,004 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.9

Radius: 8.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.54 AU - 3.96 AU

Year: 3265 Days

Day: 8.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 92,051,472 km

• M1: 117,135 km (0.109 R)
• M2: 183,706 km (0.073 R)
• M3: 324,029 km (0.118 R)
• M4: 393,742 km (0.112 R)
• M5: 670,647 km (0.07 R)
• M6: 799,451 km (0.073 R)
• M7: 927,357 km (0.117 R)
• M8: 1,072,168 km (0.117 R)
• M9: 1,528,591 km (0.097 R)
• M10: 1,677,740 km (0.066 R)
• M11: 1,916,798 km (0.106 R)
• M12: 2,078,064 km (0.088 R)
• M13: 2,454,003 km (0.111 R)
• M14: 2,656,858 km (0.113 R)
• M15: 2,808,999 km (0.053 R)
• M16: 2,921,646 km (0.067 R)
• M17: 3,021,428 km (0.114 R)
• M18: 3,195,111 km (0.072 R)
• M19: 3,431,775 km (0.12 R)
• M20: 3,797,692 km (0.109 R)
• M21: 3,859,924 km (0.067 R)
• M22: 3,938,164 km (0.103 R)
• M23: 4,144,011 km (0.039 R)
• M24: 4,320,985 km (0.097 R)
• M25: 4,402,366 km (0.067 R)
• M26: 4,682,563 km (0.106 R)
• M27: 4,782,943 km (0.046 R)
• M28: 4,951,690 km (0.108 R)
• M29: 5,156,938 km (0.099 R)
• M30: 5,330,023 km (0.081 R)
• M31: 5,682,026 km (0.041 R)
• M32: 5,860,945 km (0.113 R)
• M33: 6,224,319 km (0.093 R)
• M34: 6,390,223 km (0.108 R)
• M35: 6,896,761 km (0.089 R)
• M36: 6,953,758 km (0.116 R)
• M37: 7,202,988 km (0.03 R)
• M38: 7,455,060 km (0.114 R)
• M39: 7,928,238 km (0.12 R)
• M40: 7,988,078 km (0.107 R)
• M41: 8,148,446 km (0.1 R)
• M42: 8,390,795 km (0.095 R)
• M43: 8,492,522 km (0.073 R)
• M44: 8,800,244 km (0.088 R)
• M45: 8,965,849 km (0.073 R)
• M46: 9,489,891 km (0.109 R)
• M47: 9,873,459 km (0.109 R)
• M48: 9,959,329 km (0.103 R)
• M49: 10,110,273 km (0.066 R)
• M50: 10,283,806 km (0.084 R)
• M51: 10,414,555 km (0.076 R)
• M52: 10,655,707 km (0.09 R)
• M53: 11,300,324 km (0.07 R)
• M54: 11,752,259 km (0.117 R)
• M55: 11,980,396 km (0.115 R)
• M56: 12,094,988 km (0.094 R)
• M57: 12,417,970 km (0.102 R)
• M58: 12,627,107 km (0.109 R)
• M59: 12,697,119 km (0.094 R)
• M60: 12,813,955 km (0.097 R)
• M61: 13,332,611 km (0.118 R)
• M62: 13,403,820 km (0.114 R)
• M63: 14,366,033 km (0.057 R)
• M64: 14,634,561 km (0.117 R)
• M65: 15,052,687 km (0.064 R)
• M66: 15,474,853 km (0.044 R)
• M67: 15,800,378 km (0.12 R)
• M68: 16,407,146 km (0.092 R)
• M69: 16,585,617 km (0.101 R)
• M70: 16,841,579 km (0.087 R)
• M71: 16,918,622 km (0.096 R)
• M72: 17,279,751 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.2

Radius: 12.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.82 AU - 5.94 AU

Year: 5610 Days

Day: 8.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 162.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 92,051,472 km

• M1: 173,234 km (0.117 R)
• M2: 282,291 km (0.112 R)
• M3: 391,647 km (0.072 R)
• M4: 511,774 km (0.075 R)
• M5: 703,409 km (0.045 R)
• M6: 1,686,866 km (0.102 R)
• M7: 1,767,798 km (0.099 R)
• M8: 2,087,788 km (0.104 R)
• M9: 2,426,627 km (0.098 R)
• M10: 2,537,329 km (0.042 R)
• M11: 2,821,715 km (0.113 R)
• M12: 2,997,343 km (0.048 R)
• M13: 4,126,657 km (0.066 R)
• M14: 4,530,123 km (0.103 R)
• M15: 4,969,940 km (0.108 R)
• M16: 5,692,498 km (0.108 R)
• M17: 5,816,066 km (0.098 R)
• M18: 5,965,664 km (0.113 R)
• M19: 6,091,326 km (0.085 R)
• M20: 6,243,318 km (0.073 R)
• M21: 6,447,818 km (0.066 R)
• M22: 6,811,341 km (0.101 R)
• M23: 6,942,688 km (0.064 R)
• M24: 7,154,817 km (0.093 R)
• M25: 7,342,114 km (0.077 R)
• M26: 7,585,360 km (0.11 R)
• M27: 7,721,644 km (0.064 R)
• M28: 7,803,773 km (0.096 R)
• M29: 7,886,351 km (0.118 R)
• M30: 7,969,079 km (0.079 R)
• M31: 8,613,247 km (0.05 R)
• M32: 8,727,091 km (0.07 R)
• M33: 8,812,661 km (0.083 R)
• M34: 9,420,178 km (0.066 R)
• M35: 9,981,469 km (0.03 R)
• M36: 10,462,725 km (0.104 R)
• M37: 10,675,603 km (0.071 R)
• M38: 10,920,645 km (0.109 R)
• M39: 11,105,697 km (0.097 R)
• M40: 11,385,296 km (0.1 R)
• M41: 11,604,307 km (0.034 R)
• M42: 12,173,976 km (0.085 R)
• M43: 12,365,910 km (0.117 R)
• M44: 13,538,607 km (0.073 R)
• M45: 13,903,925 km (0.062 R)
• M46: 14,644,584 km (0.073 R)
• M47: 15,053,884 km (0.1 R)
• M48: 15,260,030 km (0.103 R)
• M49: 15,605,601 km (0.098 R)
• M50: 15,884,003 km (0.048 R)
• M51: 16,375,133 km (0.091 R)
• M52: 17,121,028 km (0.108 R)
• M53: 17,264,492 km (0.104 R)
• M54: 18,279,065 km (0.12 R)
• M55: 18,499,123 km (0.116 R)
• M56: 18,867,732 km (0.103 R)
• M57: 19,762,178 km (0.086 R)
• M58: 19,874,825 km (0.086 R)
• M59: 20,138,865 km (0.112 R)
• M60: 21,014,462 km (0.099 R)
• M61: 21,399,078 km (0.114 R)
• M62: 21,902,475 km (0.097 R)
• M63: 23,396,509 km (0.073 R)
• M64: 23,675,359 km (0.101 R)
• M65: 24,195,960 km (0.087 R)
• M66: 24,680,058 km (0.062 R)
• M67: 24,882,614 km (0.097 R)
• M68: 25,004,536 km (0.05 R)
• M69: 25,248,680 km (0.069 R)
• M70: 25,330,360 km (0.118 R)
• M71: 25,945,208 km (0.093 R)
• M72: 26,068,775 km (0.093 R)
• M73: 26,151,204 km (0.045 R)
• M74: 26,481,965 km (0.037 R)
• M75: 26,689,457 km (0.112 R)
• M76: 27,650,623 km (0.095 R)
• M77: 27,734,697 km (0.079 R)
• M78: 28,114,377 km (0.076 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.8

Radius: 11.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.49 AU - 8.71 AU

Year: 11339 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 60.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 92,051,472 km

• M1: 493,224 km (0.112 R)
• M2: 585,975 km (0.067 R)
• M3: 685,906 km (0.07 R)
• M4: 885,919 km (0.119 R)
• M5: 1,233,584 km (0.045 R)
• M6: 1,551,779 km (0.045 R)
• M7: 2,183,531 km (0.091 R)
• M8: 2,918,654 km (0.111 R)
• M9: 3,129,139 km (0.108 R)
• M10: 3,597,081 km (0.07 R)
• M11: 5,422,025 km (0.085 R)
• M12: 5,907,620 km (0.12 R)
• M13: 7,324,461 km (0.052 R)
• M14: 7,611,839 km (0.055 R)
• M15: 7,694,716 km (0.118 R)
• M16: 7,902,956 km (0.061 R)
• M17: 8,240,150 km (0.076 R)
• M18: 8,410,542 km (0.098 R)
• M19: 8,928,749 km (0.097 R)
• M20: 9,368,567 km (0.057 R)
• M21: 10,406,776 km (0.032 R)
• M22: 11,244,823 km (0.098 R)
• M23: 11,339,219 km (0.096 R)
• M24: 11,863,410 km (0.104 R)
• M25: 12,007,772 km (0.087 R)
• M26: 12,689,191 km (0.071 R)
• M27: 13,233,428 km (0.115 R)
• M28: 13,383,175 km (0.115 R)
• M29: 13,684,316 km (0.091 R)
• M30: 13,835,858 km (0.093 R)
• M31: 14,089,427 km (0.083 R)
• M32: 14,395,803 km (0.109 R)
• M33: 14,652,962 km (0.114 R)
• M34: 14,807,945 km (0.116 R)
• M35: 15,433,115 km (0.071 R)
• M36: 15,538,282 km (0.11 R)
• M37: 15,907,789 km (0.094 R)
• M38: 16,387,250 km (0.087 R)
• M39: 16,494,512 km (0.111 R)
• M40: 16,709,633 km (0.097 R)
• M41: 16,817,493 km (0.09 R)
• M42: 18,130,364 km (0.052 R)
• M43: 18,519,468 km (0.035 R)
• M44: 19,475,997 km (0.046 R)
• M45: 19,988,968 km (0.071 R)
• M46: 20,737,556 km (0.062 R)
• M47: 21,086,269 km (0.044 R)
• M48: 21,261,298 km (0.061 R)
• M49: 22,559,808 km (0.108 R)
• M50: 23,158,648 km (0.11 R)
• M51: 25,605,471 km (0.069 R)
• M52: 26,041,997 km (0.084 R)
• M53: 26,167,211 km (0.104 R)
• M54: 27,049,240 km (0.085 R)
• M55: 27,621,452 km (0.09 R)
• M56: 28,069,198 km (0.097 R)
• M57: 28,519,338 km (0.057 R)
• M58: 28,972,021 km (0.11 R)
• M59: 30,343,983 km (0.062 R)
• M60: 30,607,724 km (0.071 R)
• M61: 32,609,793 km (0.086 R)
• M62: 34,998,721 km (0.096 R)
• M63: 36,039,773 km (0.071 R)
• M64: 37,726,489 km (0.089 R)
• M65: 37,939,067 km (0.111 R)
• M66: 38,865,228 km (0.12 R)
• M67: 39,582,699 km (0.108 R)
• M68: 41,249,369 km (0.073 R)
• M69: 41,614,687 km (0.042 R)
• M70: 42,717,223 km (0.099 R)
• M71: 43,160,930 km (0.091 R)
• M72: 44,950,869 km (0.109 R)
• M73: 45,176,313 km (0.099 R)
• M74: 45,477,603 km (0.05 R)
• M75: 46,537,055 km (0.12 R)
• M76: 46,765,192 km (0.119 R)
• M77: 47,222,363 km (0.037 R)
• M78: 47,757,774 km (0.081 R)
• M79: 49,453,466 km (0.047 R)
• M80: 50,230,776 km (0.117 R)
• M81: 50,855,497 km (0.079 R)
• M82: 52,270,693 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.4

Radius: 6.2

Gravity: 22.51 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 12.88 AU - 15.22 AU

Year: 23677 Days

Day: 21.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 92,051,472 km

• M1: 169,046 km (0.084 R)
• M2: 280,945 km (0.081 R)
• M3: 812,915 km (0.1 R)
• M4: 926,011 km (0.034 R)
• M5: 1,044,343 km (0.109 R)
• M6: 1,105,379 km (0.095 R)
• M7: 1,328,728 km (0.084 R)
• M8: 2,437,249 km (0.11 R)
• M9: 3,029,357 km (0.061 R)
• M10: 3,117,470 km (0.09 R)
• M11: 5,689,656 km (0.061 R)
• M12: 6,074,122 km (0.088 R)
• M13: 6,637,957 km (0.119 R)
• M14: 7,277,338 km (0.11 R)
• M15: 8,365,363 km (0.094 R)
• M16: 9,118,589 km (0.115 R)
• M17: 9,893,206 km (0.051 R)
• M18: 10,688,917 km (0.028 R)
• M19: 11,504,974 km (0.107 R)
• M20: 12,837,592 km (0.083 R)
• M21: 13,052,564 km (0.112 R)
• M22: 13,485,799 km (0.078 R)
• M23: 13,704,212 km (0.11 R)
• M24: 14,292,431 km (0.12 R)
• M25: 14,366,482 km (0.114 R)
• M26: 15,645,693 km (0.115 R)
• M27: 15,875,176 km (0.051 R)
• M28: 15,951,920 km (0.106 R)
• M29: 17,196,724 km (0.087 R)
• M30: 18,472,345 km (0.066 R)
• M31: 19,040,069 km (0.068 R)
• M32: 19,695,756 km (0.064 R)
• M33: 19,943,640 km (0.082 R)
• M34: 20,442,250 km (0.113 R)
• M35: 21,367,213 km (0.093 R)
• M36: 21,536,857 km (0.086 R)
• M37: 23,958,398 km (0.073 R)
• M38: 24,222,887 km (0.1 R)
• M39: 24,754,857 km (0.045 R)
• M40: 25,740,109 km (0.061 R)
• M41: 26,101,687 km (0.074 R)
• M42: 27,012,588 km (0.074 R)
• M43: 27,195,995 km (0.119 R)
• M44: 28,119,463 km (0.092 R)
• M45: 28,491,662 km (0.045 R)
• M46: 28,678,361 km (0.06 R)
• M47: 29,335,245 km (0.091 R)
• M48: 30,472,488 km (0.077 R)
• M49: 31,046,644 km (0.119 R)
• M50: 32,108,341 km (0.095 R)
• M51: 32,302,668 km (0.117 R)
• M52: 32,790,208 km (0.088 R)
• M53: 33,673,882 km (0.083 R)
• M54: 34,267,337 km (0.12 R)
• M55: 35,565,099 km (0.106 R)
• M56: 37,797,398 km (0.112 R)
• M57: 38,105,420 km (0.04 R)
• M58: 38,517,263 km (0.07 R)
• M59: 40,179,295 km (0.115 R)
• M60: 41,441,303 km (0.102 R)
• M61: 43,358,400 km (0.08 R)
• M62: 44,111,625 km (0.099 R)
• M63: 44,327,794 km (0.106 R)
• M64: 44,435,804 km (0.12 R)
• M65: 44,652,421 km (0.063 R)
• M66: 48,610,033 km (0.088 R)
• M67: 50,517,555 km (0.114 R)
• M68: 51,196,580 km (0.084 R)
• M69: 51,537,364 km (0.059 R)
• M70: 51,651,058 km (0.084 R)
• M71: 51,878,746 km (0.068 R)
• M72: 52,907,531 km (0.092 R)
• M73: 55,217,621 km (0.106 R)
• M74: 55,450,545 km (0.105 R)
• M75: 56,033,977 km (0.071 R)
• M76: 56,736,788 km (0.108 R)
• M77: 57,089,390 km (0.086 R)
• M78: 57,324,857 km (0.107 R)
• M79: 59,458,123 km (0.1 R)
• M80: 60,294,823 km (0.064 R)
• M81: 60,414,651 km (0.103 R)
• M82: 62,100,619 km (0.039 R)
• M83: 62,342,669 km (0.11 R)
• M84: 65,395,662 km (0.08 R)
• M85: 66,382,858 km (0.026 R)
• M86: 75,356,935 km (0.065 R)
• M87: 77,431,259 km (0.085 R)
• M88: 77,822,159 km (0.1 R)
• M89: 80,973,737 km (0.1 R)
• M90: 82,166,331 km (0.083 R)
• M91: 84,300,794 km (0.102 R)
• M92: 87,807,966 km (0.088 R)
• M93: 88,215,770 km (0.077 R)
• M94: 88,760,306 km (0.112 R)
• M95: 90,400,946 km (0.043 R)
• M96: 91,913,530 km (0.07 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 18,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit