🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.96 AU - 1.06 AU

Year: 389 Days

Day: 40.4 Hours

Environment

Temp: -7 °C

Axial Tilt: 39.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.86 AU - 1.18 AU

Year: 394 Days

Day: 12.6 Hours

Environment

Temp: 14 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.02 AU - 1.38 AU

Year: 503 Days

Day: 26.2 Hours

Environment

Temp: -22 °C

Axial Tilt: 178.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,767,807 km

• M1: 498,909 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.9

Radius: 14.1

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.93 AU - 4.75 AU

Year: 3462 Days

Day: 5.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 89,767,807 km

• M1: 184,305 km (0.084 R)
• M2: 288,125 km (0.12 R)
• M3: 442,511 km (0.059 R)
• M4: 567,574 km (0.08 R)
• M5: 793,916 km (0.109 R)
• M6: 919,279 km (0.066 R)
• M7: 1,015,171 km (0.107 R)
• M8: 1,338,751 km (0.056 R)
• M9: 1,435,541 km (0.111 R)
• M10: 1,710,801 km (0.082 R)
• M11: 2,035,279 km (0.066 R)
• M12: 2,262,817 km (0.082 R)
• M13: 2,447,720 km (0.094 R)
• M14: 2,708,170 km (0.1 R)
• M15: 3,680,556 km (0.11 R)
• M16: 3,859,176 km (0.048 R)
• M17: 3,959,856 km (0.097 R)
• M18: 4,081,628 km (0.063 R)
• M19: 4,266,830 km (0.088 R)
• M20: 4,433,782 km (0.044 R)
• M21: 4,539,248 km (0.106 R)
• M22: 4,688,397 km (0.111 R)
• M23: 4,882,575 km (0.034 R)
• M24: 6,626,886 km (0.108 R)
• M25: 6,772,146 km (0.117 R)
• M26: 6,894,068 km (0.082 R)
• M27: 7,115,473 km (0.045 R)
• M28: 7,339,122 km (0.041 R)
• M29: 7,439,353 km (0.101 R)
• M30: 7,870,344 km (0.037 R)
• M31: 8,205,443 km (0.068 R)
• M32: 8,571,509 km (0.116 R)
• M33: 8,889,704 km (0.115 R)
• M34: 9,592,515 km (0.099 R)
• M35: 9,729,696 km (0.039 R)
• M36: 10,313,128 km (0.101 R)
• M37: 10,425,476 km (0.09 R)
• M38: 10,651,668 km (0.067 R)
• M39: 10,936,502 km (0.105 R)
• M40: 11,108,689 km (0.086 R)
• M41: 11,426,734 km (0.061 R)
• M42: 12,012,709 km (0.032 R)
• M43: 12,220,052 km (0.05 R)
• M44: 12,369,051 km (0.032 R)
• M45: 12,668,546 km (0.112 R)
• M46: 12,879,778 km (0.078 R)
• M47: 13,061,689 km (0.091 R)
• M48: 13,489,390 km (0.12 R)
• M49: 13,766,894 km (0.088 R)
• M50: 13,921,877 km (0.104 R)
• M51: 14,171,107 km (0.103 R)
• M52: 14,579,210 km (0.112 R)
• M53: 14,737,185 km (0.088 R)
• M54: 15,503,426 km (0.082 R)
• M55: 15,600,216 km (0.087 R)
• M56: 15,697,155 km (0.079 R)
• M57: 16,776,354 km (0.087 R)
• M58: 16,941,959 km (0.067 R)
• M59: 17,947,107 km (0.117 R)
• M60: 19,040,667 km (0.09 R)
• M61: 20,402,307 km (0.072 R)
• M62: 20,685,646 km (0.032 R)
• M63: 21,184,405 km (0.107 R)
• M64: 21,615,097 km (0.031 R)
• M65: 21,723,256 km (0.109 R)
• M66: 22,048,632 km (0.085 R)
• M67: 22,266,596 km (0.1 R)
• M68: 22,741,120 km (0.056 R)
• M69: 23,034,781 km (0.05 R)
• M70: 23,998,042 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.1

Radius: 8

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.78 AU - 5.92 AU

Year: 5418 Days

Day: 11.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 89,767,807 km

• M1: 119,379 km (0.069 R)
• M2: 225,893 km (0.051 R)
• M3: 331,808 km (0.091 R)
• M4: 435,031 km (0.077 R)
• M5: 502,798 km (0.053 R)
• M6: 611,855 km (0.086 R)
• M7: 1,017,714 km (0.087 R)
• M8: 1,207,404 km (0.092 R)
• M9: 1,374,356 km (0.11 R)
• M10: 1,620,594 km (0.093 R)
• M11: 1,693,597 km (0.078 R)
• M12: 1,977,385 km (0.028 R)
• M13: 2,276,132 km (0.111 R)
• M14: 2,379,055 km (0.101 R)
• M15: 2,960,841 km (0.067 R)
• M16: 3,118,667 km (0.082 R)
• M17: 3,302,672 km (0.093 R)
• M18: 3,657,070 km (0.079 R)
• M19: 3,802,179 km (0.051 R)
• M20: 3,900,016 km (0.101 R)
• M21: 4,123,366 km (0.099 R)
• M22: 4,818,248 km (0.112 R)
• M23: 4,950,792 km (0.072 R)
• M24: 6,342,950 km (0.097 R)
• M25: 6,517,680 km (0.114 R)
• M26: 7,081,664 km (0.08 R)
• M27: 7,232,608 km (0.058 R)
• M28: 7,785,073 km (0.12 R)
• M29: 8,255,858 km (0.064 R)
• M30: 8,671,441 km (0.119 R)
• M31: 8,897,932 km (0.052 R)
• M32: 9,790,133 km (0.045 R)
• M33: 9,857,303 km (0.066 R)
• M34: 9,924,622 km (0.114 R)
• M35: 10,093,817 km (0.065 R)
• M36: 10,400,642 km (0.098 R)
• M37: 10,675,902 km (0.092 R)
• M38: 11,516,194 km (0.116 R)
• M39: 11,801,028 km (0.057 R)
• M40: 12,196,415 km (0.099 R)
• M41: 12,305,023 km (0.104 R)
• M42: 12,596,141 km (0.116 R)
• M43: 12,926,453 km (0.117 R)
• M44: 13,745,950 km (0.074 R)
• M45: 14,275,975 km (0.082 R)
• M46: 15,395,416 km (0.071 R)
• M47: 16,144,004 km (0.048 R)
• M48: 18,087,579 km (0.06 R)
• M49: 18,252,885 km (0.073 R)
• M50: 18,584,992 km (0.106 R)
• M51: 18,793,532 km (0.118 R)
• M52: 18,919,044 km (0.073 R)
• M53: 19,297,228 km (0.084 R)
• M54: 19,762,926 km (0.107 R)
• M55: 20,489,822 km (0.084 R)
• M56: 20,575,841 km (0.082 R)
• M57: 21,094,945 km (0.073 R)
• M58: 21,881,681 km (0.089 R)
• M59: 22,013,775 km (0.116 R)
• M60: 22,722,570 km (0.096 R)
• M61: 22,945,621 km (0.039 R)
• M62: 23,124,540 km (0.04 R)
• M63: 23,935,510 km (0.093 R)
• M64: 24,117,122 km (0.069 R)
• M65: 24,755,904 km (0.049 R)
• M66: 25,354,146 km (0.107 R)
• M67: 27,461,232 km (0.026 R)
• M68: 27,556,227 km (0.07 R)
• M69: 28,367,646 km (0.101 R)
• M70: 28,896,923 km (0.115 R)
• M71: 28,993,563 km (0.103 R)
• M72: 29,867,664 km (0.062 R)
• M73: 30,258,862 km (0.102 R)
• M74: 30,701,073 km (0.096 R)
• M75: 30,848,876 km (0.069 R)
• M76: 31,046,495 km (0.079 R)
• M77: 31,393,113 km (0.093 R)
• M78: 32,040,423 km (0.066 R)
• M79: 32,140,355 km (0.086 R)
• M80: 32,290,551 km (0.096 R)
• M81: 33,095,238 km (0.063 R)
• M82: 33,145,802 km (0.108 R)
• M83: 33,398,772 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349

Radius: 13.4

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.52 AU - 10.02 AU

Year: 11693 Days

Day: 10.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 89,767,807 km

• M1: 492,626 km (0.056 R)
• M2: 683,064 km (0.074 R)
• M3: 820,096 km (0.109 R)
• M4: 984,354 km (0.097 R)
• M5: 1,290,431 km (0.045 R)
• M6: 1,689,708 km (0.049 R)
• M7: 1,882,240 km (0.048 R)
• M8: 2,242,622 km (0.071 R)
• M9: 2,724,476 km (0.096 R)
• M10: 2,900,703 km (0.062 R)
• M11: 3,029,058 km (0.11 R)
• M12: 3,133,178 km (0.074 R)
• M13: 3,345,008 km (0.094 R)
• M14: 3,507,172 km (0.091 R)
• M15: 3,952,226 km (0.104 R)
• M16: 4,385,910 km (0.101 R)
• M17: 4,988,191 km (0.102 R)
• M18: 5,267,790 km (0.118 R)
• M19: 6,236,885 km (0.111 R)
• M20: 6,471,005 km (0.08 R)
• M21: 6,606,092 km (0.068 R)
• M22: 7,365,900 km (0.11 R)
• M23: 7,471,666 km (0.12 R)
• M24: 8,557,297 km (0.101 R)
• M25: 8,817,747 km (0.091 R)
• M26: 9,308,428 km (0.106 R)
• M27: 9,537,911 km (0.11 R)
• M28: 10,002,562 km (0.092 R)
• M29: 10,119,997 km (0.066 R)
• M30: 10,474,693 km (0.067 R)
• M31: 10,793,486 km (0.057 R)
• M32: 10,994,396 km (0.088 R)
• M33: 11,115,421 km (0.117 R)
• M34: 11,522,477 km (0.036 R)
• M35: 11,934,469 km (0.116 R)
• M36: 12,142,261 km (0.072 R)
• M37: 12,309,362 km (0.085 R)
• M38: 12,477,210 km (0.051 R)
• M39: 12,900,124 km (0.044 R)
• M40: 13,500,310 km (0.055 R)
• M41: 15,085,300 km (0.049 R)
• M42: 15,536,038 km (0.116 R)
• M43: 15,808,605 km (0.026 R)
• M44: 16,220,448 km (0.048 R)
• M45: 16,589,357 km (0.113 R)
• M46: 17,335,850 km (0.1 R)
• M47: 17,429,947 km (0.068 R)
• M48: 18,236,429 km (0.047 R)
• M49: 19,395,813 km (0.029 R)
• M50: 19,885,895 km (0.05 R)
• M51: 20,033,698 km (0.095 R)
• M52: 20,380,167 km (0.048 R)
• M53: 20,578,982 km (0.113 R)
• M54: 21,028,673 km (0.114 R)
• M55: 22,397,195 km (0.062 R)
• M56: 22,551,131 km (0.108 R)
• M57: 23,170,017 km (0.057 R)
• M58: 23,377,510 km (0.118 R)
• M59: 24,108,744 km (0.093 R)
• M60: 25,273,214 km (0.105 R)
• M61: 25,969,742 km (0.111 R)
• M62: 26,835,913 km (0.106 R)
• M63: 28,763,332 km (0.047 R)
• M64: 31,363,792 km (0.092 R)
• M65: 32,170,125 km (0.033 R)
• M66: 32,401,702 km (0.071 R)
• M67: 33,450,832 km (0.105 R)
• M68: 34,392,850 km (0.103 R)
• M69: 34,629,663 km (0.07 R)
• M70: 35,164,625 km (0.07 R)
• M71: 36,363,203 km (0.094 R)
• M72: 38,677,033 km (0.06 R)
• M73: 39,541,410 km (0.058 R)
• M74: 40,287,455 km (0.028 R)
• M75: 40,975,455 km (0.112 R)
• M76: 41,415,273 km (0.097 R)
• M77: 41,856,736 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.9

Radius: 5.5

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 13.53 AU - 14.49 AU

Year: 20078 Days

Day: 23.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 89,767,807 km

• M1: 206,744 km (0.107 R)
• M2: 286,181 km (0.034 R)
• M3: 684,410 km (0.084 R)
• M4: 1,534,725 km (0.103 R)
• M5: 1,670,709 km (0.117 R)
• M6: 1,925,773 km (0.069 R)
• M7: 2,223,324 km (0.105 R)
• M8: 2,794,937 km (0.107 R)
• M9: 2,927,930 km (0.065 R)
• M10: 2,995,249 km (0.049 R)
• M11: 3,587,806 km (0.102 R)
• M12: 4,406,704 km (0.036 R)
• M13: 4,797,305 km (0.032 R)
• M14: 4,956,776 km (0.12 R)
• M15: 5,486,801 km (0.117 R)
• M16: 6,511,846 km (0.071 R)
• M17: 6,555,827 km (0.061 R)
• M18: 6,599,959 km (0.026 R)
• M19: 7,001,180 km (0.104 R)
• M20: 8,251,519 km (0.094 R)
• M21: 8,877,736 km (0.113 R)
• M22: 9,469,246 km (0.094 R)
• M23: 9,971,895 km (0.096 R)
• M24: 10,073,472 km (0.027 R)
• M25: 10,124,335 km (0.101 R)
• M26: 10,226,510 km (0.091 R)
• M27: 11,003,073 km (0.072 R)
• M28: 11,637,817 km (0.067 R)
• M29: 12,121,766 km (0.104 R)
• M30: 14,695,597 km (0.055 R)
• M31: 14,869,280 km (0.117 R)
• M32: 14,985,368 km (0.089 R)
• M33: 15,043,412 km (0.079 R)
• M34: 15,101,755 km (0.075 R)
• M35: 16,641,866 km (0.092 R)
• M36: 17,614,252 km (0.087 R)
• M37: 17,737,072 km (0.061 R)
• M38: 18,293,426 km (0.104 R)
• M39: 18,542,506 km (0.085 R)
• M40: 18,604,889 km (0.099 R)
• M41: 19,043,959 km (0.084 R)
• M42: 19,740,935 km (0.117 R)
• M43: 19,868,542 km (0.093 R)
• M44: 19,996,299 km (0.117 R)
• M45: 21,947,204 km (0.095 R)
• M46: 22,344,536 km (0.091 R)
• M47: 22,811,132 km (0.095 R)
• M48: 22,878,002 km (0.085 R)
• M49: 24,230,218 km (0.061 R)
• M50: 24,572,348 km (0.082 R)
• M51: 25,816,853 km (0.041 R)
• M52: 27,508,056 km (0.114 R)
• M53: 29,598,836 km (0.071 R)
• M54: 29,671,840 km (0.114 R)
• M55: 30,111,209 km (0.086 R)
• M56: 30,405,169 km (0.071 R)
• M57: 30,626,424 km (0.093 R)
• M58: 31,889,778 km (0.084 R)
• M59: 33,170,037 km (0.12 R)
• M60: 34,390,307 km (0.074 R)
• M61: 35,780,520 km (0.068 R)
• M62: 36,091,982 km (0.083 R)
• M63: 36,248,162 km (0.038 R)
• M64: 36,796,139 km (0.111 R)
• M65: 37,346,809 km (0.118 R)
• M66: 37,821,034 km (0.102 R)
• M67: 40,221,781 km (0.091 R)
• M68: 41,522,235 km (0.054 R)
• M69: 42,095,494 km (0.118 R)
• M70: 42,342,032 km (0.105 R)
• M71: 43,167,064 km (0.115 R)
• M72: 43,581,600 km (0.044 R)
• M73: 43,747,803 km (0.098 R)
• M74: 45,000,984 km (0.076 R)
• M75: 45,674,025 km (0.108 R)
• M76: 45,842,921 km (0.062 R)
• M77: 46,435,329 km (0.076 R)
• M78: 46,860,037 km (0.11 R)
• M79: 50,042,881 km (0.075 R)
• M80: 51,704,315 km (0.092 R)
• M81: 53,117,267 km (0.073 R)
• M82: 53,917,616 km (0.069 R)
• M83: 54,096,086 km (0.089 R)
• M84: 54,185,396 km (0.114 R)
• M85: 54,722,004 km (0.094 R)
• M86: 55,710,546 km (0.098 R)
• M87: 57,705,284 km (0.045 R)
• M88: 57,979,048 km (0.115 R)
• M89: 58,803,033 km (0.111 R)
• M90: 58,894,887 km (0.069 R)
• M91: 61,019,326 km (0.115 R)
• M92: 61,205,276 km (0.108 R)
• M93: 61,950,872 km (0.057 R)
• M94: 62,137,720 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.4

Radius: 7.3

Gravity: 16.46 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 14.62 AU - 15.74 AU

Year: 22645 Days

Day: 20.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 89,767,807 km

• M1: 154,983 km (0.101 R)
• M2: 325,675 km (0.09 R)
• M3: 580,290 km (0.052 R)
• M4: 677,978 km (0.075 R)
• M5: 728,990 km (0.118 R)
• M6: 808,128 km (0.033 R)
• M7: 1,932,655 km (0.074 R)
• M8: 2,196,546 km (0.052 R)
• M9: 2,552,588 km (0.093 R)
• M10: 3,725,735 km (0.103 R)
• M11: 3,865,310 km (0.099 R)
• M12: 4,538,949 km (0.102 R)
• M13: 4,738,064 km (0.075 R)
• M14: 5,042,196 km (0.111 R)
• M15: 5,563,246 km (0.111 R)
• M16: 5,992,292 km (0.114 R)
• M17: 6,543,560 km (0.106 R)
• M18: 6,996,393 km (0.111 R)
• M19: 7,342,563 km (0.105 R)
• M20: 8,111,795 km (0.07 R)
• M21: 8,659,174 km (0.114 R)
• M22: 9,470,892 km (0.084 R)
• M23: 9,789,685 km (0.079 R)
• M24: 9,982,516 km (0.083 R)
• M25: 10,111,769 km (0.112 R)
• M26: 11,032,394 km (0.104 R)
• M27: 11,233,155 km (0.106 R)
• M28: 11,367,793 km (0.045 R)
• M29: 11,911,132 km (0.032 R)
• M30: 13,735,029 km (0.076 R)
• M31: 14,023,304 km (0.052 R)
• M32: 14,826,196 km (0.094 R)
• M33: 15,644,048 km (0.085 R)
• M34: 15,869,641 km (0.067 R)
• M35: 16,020,586 km (0.108 R)
• M36: 17,168,300 km (0.108 R)
• M37: 17,323,284 km (0.092 R)
• M38: 18,342,195 km (0.097 R)
• M39: 18,421,332 km (0.097 R)
• M40: 18,580,056 km (0.057 R)
• M41: 19,865,999 km (0.114 R)
• M42: 20,273,653 km (0.088 R)
• M43: 24,325,960 km (0.092 R)
• M44: 25,112,845 km (0.054 R)
• M45: 25,200,809 km (0.094 R)
• M46: 25,465,298 km (0.119 R)
• M47: 29,634,141 km (0.097 R)
• M48: 30,755,826 km (0.076 R)
• M49: 31,038,566 km (0.11 R)
• M50: 31,891,573 km (0.113 R)
• M51: 34,398,983 km (0.103 R)
• M52: 35,084,740 km (0.1 R)
• M53: 36,569,499 km (0.059 R)
• M54: 39,907,476 km (0.075 R)
• M55: 40,112,874 km (0.082 R)
• M56: 40,938,056 km (0.039 R)
• M57: 42,291,019 km (0.112 R)
• M58: 42,920,227 km (0.112 R)
• M59: 43,552,727 km (0.063 R)
• M60: 44,188,219 km (0.094 R)
• M61: 44,613,526 km (0.101 R)
• M62: 45,254,253 km (0.104 R)
• M63: 45,575,590 km (0.068 R)
• M64: 47,085,780 km (0.119 R)
• M65: 50,044,078 km (0.105 R)
• M66: 50,932,091 km (0.103 R)
• M67: 51,043,541 km (0.09 R)
• M68: 53,062,066 km (0.115 R)
• M69: 56,483,818 km (0.11 R)
• M70: 58,104,860 km (0.105 R)
• M71: 60,093,764 km (0.093 R)
• M72: 60,683,030 km (0.046 R)
• M73: 61,274,241 km (0.096 R)
• M74: 62,581,427 km (0.092 R)
• M75: 62,820,035 km (0.103 R)
• M76: 65,950,221 km (0.103 R)
• M77: 66,314,642 km (0.045 R)
• M78: 68,761,165 km (0.087 R)
• M79: 69,995,497 km (0.107 R)
• M80: 71,735,769 km (0.063 R)
• M81: 72,235,576 km (0.098 R)
• M82: 74,120,359 km (0.106 R)
• M83: 74,499,291 km (0.113 R)
• M84: 75,385,808 km (0.116 R)
• M85: 77,041,557 km (0.066 R)
• M86: 79,095,835 km (0.088 R)
• M87: 79,353,742 km (0.076 R)
• M88: 83,783,185 km (0.105 R)
• M89: 88,693,885 km (0.049 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 13,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit