🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 11.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.35 AU - 7.21 AU

Year: 6110 Days

Day: 6.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 92,241,558 km

• M1: 158,873 km (0.099 R)
• M2: 241,451 km (0.066 R)
• M3: 319,242 km (0.073 R)
• M4: 493,673 km (0.117 R)
• M5: 584,030 km (0.075 R)
• M6: 832,063 km (0.082 R)
• M7: 1,127,968 km (0.099 R)
• M8: 1,210,696 km (0.109 R)
• M9: 1,353,412 km (0.09 R)
• M10: 1,640,490 km (0.096 R)
• M11: 1,783,356 km (0.057 R)
• M12: 2,202,380 km (0.113 R)
• M13: 2,272,392 km (0.103 R)
• M14: 2,360,804 km (0.114 R)
• M15: 2,670,472 km (0.054 R)
• M16: 2,897,112 km (0.069 R)
• M17: 3,229,070 km (0.058 R)
• M18: 3,349,197 km (0.059 R)
• M19: 3,656,022 km (0.076 R)
• M20: 4,231,376 km (0.108 R)
• M21: 4,429,593 km (0.095 R)
• M22: 5,019,308 km (0.04 R)
• M23: 5,394,649 km (0.032 R)
• M24: 5,466,007 km (0.075 R)
• M25: 5,682,026 km (0.108 R)
• M26: 5,754,731 km (0.038 R)
• M27: 6,048,541 km (0.069 R)
• M28: 6,172,408 km (0.108 R)
• M29: 6,523,814 km (0.067 R)
• M30: 6,881,801 km (0.101 R)
• M31: 6,985,173 km (0.087 R)
• M32: 7,246,222 km (0.073 R)
• M33: 8,487,585 km (0.074 R)
• M34: 9,418,383 km (0.079 R)
• M35: 9,591,019 km (0.119 R)
• M36: 10,174,450 km (0.092 R)
• M37: 10,619,504 km (0.108 R)
• M38: 10,980,185 km (0.117 R)
• M39: 11,070,990 km (0.075 R)
• M40: 11,744,480 km (0.072 R)
• M41: 12,274,056 km (0.079 R)
• M42: 12,557,694 km (0.119 R)
• M43: 12,843,276 km (0.112 R)
• M44: 13,485,949 km (0.036 R)
• M45: 13,745,950 km (0.109 R)
• M46: 13,876,549 km (0.084 R)
• M47: 14,403,283 km (0.096 R)
• M48: 14,502,766 km (0.072 R)
• M49: 14,668,969 km (0.097 R)
• M50: 15,239,236 km (0.075 R)
• M51: 16,022,231 km (0.115 R)
• M52: 16,678,816 km (0.085 R)
• M53: 16,923,110 km (0.088 R)
• M54: 17,168,450 km (0.116 R)
• M55: 17,344,377 km (0.066 R)
• M56: 17,414,987 km (0.039 R)
• M57: 17,840,294 km (0.117 R)
• M58: 18,054,369 km (0.07 R)
• M59: 18,340,998 km (0.109 R)
• M60: 19,027,802 km (0.039 R)
• M61: 19,612,730 km (0.036 R)
• M62: 19,686,182 km (0.079 R)
• M63: 20,240,592 km (0.097 R)
• M64: 20,613,091 km (0.072 R)
• M65: 21,744,051 km (0.09 R)
• M66: 21,972,636 km (0.075 R)
• M67: 22,087,228 km (0.084 R)
• M68: 22,817,864 km (0.076 R)
• M69: 22,895,206 km (0.12 R)
• M70: 23,830,193 km (0.07 R)
• M71: 23,948,076 km (0.11 R)
• M72: 26,913,704 km (0.043 R)
• M73: 27,570,140 km (0.114 R)

Planet 2 - Ice Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.4

Radius: 4.2

Gravity: 14.99 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 10.21 AU - 11.15 AU

Year: 15347 Days

Day: 19.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 144.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 92,241,558 km

• M1: 73,752 km (0.086 R)
• M2: 113,246 km (0.058 R)
• M3: 224,696 km (0.09 R)
• M4: 269,575 km (0.075 R)
• M5: 409,449 km (0.111 R)
• M6: 509,830 km (0.069 R)
• M7: 750,981 km (0.1 R)
• M8: 1,004,849 km (0.118 R)
• M9: 1,304,493 km (0.104 R)
• M10: 1,652,907 km (0.057 R)
• M11: 1,744,311 km (0.119 R)
• M12: 1,837,511 km (0.054 R)
• M13: 1,932,356 km (0.103 R)
• M14: 2,004,462 km (0.12 R)
• M15: 2,378,457 km (0.079 R)
• M16: 2,910,127 km (0.117 R)
• M17: 3,564,768 km (0.067 R)
• M18: 4,611,803 km (0.061 R)
• M19: 5,068,525 km (0.067 R)
• M20: 5,336,156 km (0.101 R)
• M21: 5,437,583 km (0.116 R)
• M22: 6,024,755 km (0.082 R)
• M23: 7,109,190 km (0.085 R)
• M24: 7,559,480 km (0.112 R)
• M25: 8,096,536 km (0.106 R)
• M26: 8,645,859 km (0.117 R)
• M27: 9,045,435 km (0.039 R)
• M28: 9,166,610 km (0.041 R)
• M29: 9,369,614 km (0.115 R)
• M30: 9,656,243 km (0.098 R)
• M31: 9,821,399 km (0.097 R)
• M32: 10,070,779 km (0.039 R)
• M33: 10,406,626 km (0.051 R)
• M34: 10,618,307 km (0.102 R)
• M35: 10,788,699 km (0.115 R)
• M36: 11,089,092 km (0.118 R)
• M37: 11,218,644 km (0.054 R)
• M38: 11,305,410 km (0.113 R)
• M39: 11,392,327 km (0.044 R)
• M40: 12,497,107 km (0.102 R)
• M41: 12,631,895 km (0.063 R)
• M42: 13,221,909 km (0.111 R)
• M43: 14,428,565 km (0.085 R)
• M44: 14,570,085 km (0.049 R)
• M45: 15,669,928 km (0.089 R)
• M46: 16,697,366 km (0.109 R)
• M47: 17,094,399 km (0.105 R)
• M48: 17,194,181 km (0.098 R)
• M49: 17,847,325 km (0.109 R)
• M50: 17,948,603 km (0.051 R)
• M51: 18,049,881 km (0.064 R)
• M52: 18,355,210 km (0.077 R)
• M53: 18,611,022 km (0.077 R)
• M54: 18,662,334 km (0.038 R)
• M55: 19,022,716 km (0.099 R)
• M56: 19,541,371 km (0.037 R)
• M57: 21,339,837 km (0.116 R)
• M58: 22,312,971 km (0.102 R)
• M59: 22,750,246 km (0.118 R)
• M60: 22,804,999 km (0.025 R)
• M61: 23,024,907 km (0.073 R)
• M62: 23,577,522 km (0.106 R)
• M63: 23,688,673 km (0.093 R)
• M64: 23,855,475 km (0.072 R)
• M65: 25,318,392 km (0.097 R)
• M66: 26,810,033 km (0.091 R)
• M67: 27,042,059 km (0.09 R)
• M68: 27,976,597 km (0.087 R)
• M69: 29,757,410 km (0.089 R)
• M70: 29,997,664 km (0.109 R)
• M71: 30,843,491 km (0.117 R)
• M72: 31,086,587 km (0.115 R)
• M73: 31,697,096 km (0.11 R)
• M74: 32,373,129 km (0.092 R)
• M75: 34,366,969 km (0.106 R)
• M76: 35,633,016 km (0.054 R)
• M77: 35,951,959 km (0.089 R)
• M78: 36,271,799 km (0.055 R)
• M79: 36,335,976 km (0.085 R)
• M80: 37,301,780 km (0.112 R)
• M81: 37,820,286 km (0.095 R)
• M82: 38,537,159 km (0.091 R)
• M83: 39,324,343 km (0.112 R)
• M84: 40,116,913 km (0.102 R)
• M85: 40,514,993 km (0.099 R)
• M86: 40,781,277 km (0.078 R)
• M87: 41,114,880 km (0.103 R)
• M88: 42,863,979 km (0.081 R)
• M89: 44,362,800 km (0.047 R)
• M90: 45,187,682 km (0.089 R)
• M91: 45,325,612 km (0.051 R)
• M92: 45,532,805 km (0.099 R)

Planet 3 - Ice Giant

Semi-Major Axis: 12.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.6

Radius: 3.7

Gravity: 49.42 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 9.88 AU - 15.3 AU

Year: 19643 Days

Day: 17.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 92,241,558 km

• M1: 48,320 km (0.05 R)
• M2: 120,875 km (0.034 R)
• M3: 324,179 km (0.096 R)
• M4: 378,034 km (0.083 R)
• M5: 454,478 km (0.092 R)
• M6: 536,009 km (0.076 R)
• M7: 578,495 km (0.084 R)
• M8: 760,256 km (0.108 R)
• M9: 1,491,640 km (0.091 R)
• M10: 1,933,104 km (0.062 R)
• M11: 2,447,720 km (0.039 R)
• M12: 2,519,527 km (0.095 R)
• M13: 2,628,285 km (0.092 R)
• M14: 3,195,411 km (0.093 R)
• M15: 3,881,915 km (0.099 R)
• M16: 4,007,727 km (0.094 R)
• M17: 4,049,914 km (0.047 R)
• M18: 4,177,521 km (0.046 R)
• M19: 4,789,974 km (0.101 R)
• M20: 4,970,090 km (0.116 R)
• M21: 5,999,922 km (0.117 R)
• M22: 6,390,372 km (0.11 R)
• M23: 6,688,521 km (0.118 R)
• M24: 7,246,820 km (0.116 R)
• M25: 8,788,725 km (0.105 R)
• M26: 9,681,226 km (0.097 R)
• M27: 9,908,765 km (0.117 R)
• M28: 10,138,098 km (0.073 R)
• M29: 10,311,332 km (0.084 R)
• M30: 12,587,763 km (0.041 R)
• M31: 12,649,697 km (0.096 R)
• M32: 12,773,863 km (0.094 R)
• M33: 13,211,736 km (0.114 R)
• M34: 16,681,958 km (0.098 R)
• M35: 17,160,222 km (0.1 R)
• M36: 17,297,703 km (0.071 R)
• M37: 17,366,518 km (0.071 R)
• M38: 18,904,533 km (0.077 R)
• M39: 19,331,635 km (0.093 R)
• M40: 20,924,105 km (0.081 R)
• M41: 21,884,822 km (0.069 R)
• M42: 22,859,751 km (0.036 R)
• M43: 23,925,487 km (0.069 R)
• M44: 24,156,017 km (0.098 R)
• M45: 25,789,775 km (0.113 R)
• M46: 27,058,365 km (0.072 R)
• M47: 27,942,189 km (0.098 R)
• M48: 28,672,377 km (0.071 R)
• M49: 29,080,779 km (0.114 R)
• M50: 29,903,118 km (0.095 R)
• M51: 29,985,846 km (0.104 R)
• M52: 30,983,813 km (0.094 R)
• M53: 31,318,913 km (0.107 R)
• M54: 32,841,520 km (0.112 R)
• M55: 34,388,063 km (0.102 R)
• M56: 35,170,160 km (0.087 R)
• M57: 35,958,092 km (0.069 R)
• M58: 36,221,983 km (0.118 R)
• M59: 37,284,277 km (0.066 R)
• M60: 37,998,158 km (0.077 R)
• M61: 40,806,410 km (0.097 R)
• M62: 43,306,190 km (0.1 R)
• M63: 46,236,962 km (0.042 R)
• M64: 47,003,651 km (0.08 R)
• M65: 48,452,357 km (0.078 R)
• M66: 48,646,684 km (0.104 R)
• M67: 48,841,162 km (0.11 R)
• M68: 49,524,076 km (0.081 R)
• M69: 49,621,913 km (0.065 R)
• M70: 50,013,710 km (0.099 R)
• M71: 51,294,567 km (0.091 R)
• M72: 51,790,035 km (0.114 R)
• M73: 53,085,702 km (0.088 R)
• M74: 53,386,095 km (0.051 R)
• M75: 54,391,991 km (0.101 R)
• M76: 54,492,820 km (0.096 R)
• M77: 56,524,359 km (0.03 R)
• M78: 58,787,326 km (0.069 R)
• M79: 60,034,224 km (0.114 R)
• M80: 60,451,752 km (0.091 R)
• M81: 60,660,889 km (0.12 R)
• M82: 61,079,913 km (0.06 R)
• M83: 61,394,817 km (0.114 R)
• M84: 62,131,586 km (0.095 R)
• M85: 64,252,884 km (0.08 R)
• M86: 64,466,360 km (0.115 R)
• M87: 65,751,855 km (0.117 R)
• M88: 66,829,558 km (0.054 R)
• M89: 70,977,757 km (0.032 R)
• M90: 71,751,028 km (0.114 R)
• M91: 72,193,988 km (0.114 R)
• M92: 72,860,446 km (0.052 R)
• M93: 73,082,898 km (0.094 R)
• M94: 73,863,649 km (0.095 R)
• M95: 74,759,292 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.8

Radius: 5.9

Gravity: 23.64 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 12.69 AU - 18.27 AU

Year: 26781 Days

Day: 16.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 92,241,558 km

• M1: 108,159 km (0.116 R)
• M2: 393,742 km (0.053 R)
• M3: 484,996 km (0.104 R)
• M4: 583,581 km (0.083 R)
• M5: 918,531 km (0.107 R)
• M6: 979,567 km (0.108 R)
• M7: 1,138,440 km (0.086 R)
• M8: 1,444,816 km (0.1 R)
• M9: 1,552,676 km (0.116 R)
• M10: 1,738,178 km (0.094 R)
• M11: 2,724,476 km (0.106 R)
• M12: 3,085,606 km (0.082 R)
• M13: 3,272,005 km (0.065 R)
• M14: 3,902,560 km (0.088 R)
• M15: 4,835,901 km (0.056 R)
• M16: 4,943,761 km (0.117 R)
• M17: 5,949,507 km (0.026 R)
• M18: 6,298,519 km (0.046 R)
• M19: 6,535,033 km (0.094 R)
• M20: 7,385,048 km (0.098 R)
• M21: 9,725,657 km (0.097 R)
• M22: 10,274,531 km (0.099 R)
• M23: 11,690,176 km (0.1 R)
• M24: 11,907,691 km (0.074 R)
• M25: 13,090,562 km (0.12 R)
• M26: 13,165,809 km (0.109 R)
• M27: 13,316,604 km (0.091 R)
• M28: 13,543,843 km (0.028 R)
• M29: 14,543,307 km (0.104 R)
• M30: 14,621,097 km (0.118 R)
• M31: 14,699,188 km (0.102 R)
• M32: 15,169,972 km (0.096 R)
• M33: 15,248,960 km (0.092 R)
• M34: 16,046,167 km (0.075 R)
• M35: 16,449,931 km (0.058 R)
• M36: 16,775,307 km (0.074 R)
• M37: 17,020,647 km (0.087 R)
• M38: 18,181,527 km (0.083 R)
• M39: 19,282,268 km (0.056 R)
• M40: 20,404,402 km (0.112 R)
• M41: 24,171,725 km (0.099 R)
• M42: 24,448,930 km (0.086 R)
• M43: 24,541,531 km (0.092 R)
• M44: 24,727,182 km (0.095 R)
• M45: 25,193,179 km (0.061 R)
• M46: 25,944,908 km (0.078 R)
• M47: 26,323,391 km (0.088 R)
• M48: 26,894,705 km (0.081 R)
• M49: 28,146,690 km (0.11 R)
• M50: 30,208,597 km (0.068 R)
• M51: 30,507,195 km (0.064 R)
• M52: 31,812,137 km (0.067 R)
• M53: 32,930,381 km (0.097 R)
• M54: 33,135,180 km (0.072 R)
• M55: 37,210,675 km (0.095 R)
• M56: 37,637,627 km (0.056 R)
• M57: 38,819,750 km (0.089 R)
• M58: 42,661,722 km (0.119 R)
• M59: 43,668,965 km (0.088 R)
• M60: 44,006,458 km (0.076 R)
• M61: 44,344,848 km (0.12 R)
• M62: 48,239,778 km (0.106 R)
• M63: 48,588,640 km (0.118 R)
• M64: 48,705,177 km (0.073 R)
• M65: 48,821,714 km (0.087 R)
• M66: 48,938,400 km (0.059 R)
• M67: 53,199,845 km (0.041 R)
• M68: 55,010,129 km (0.06 R)
• M69: 56,717,938 km (0.109 R)
• M70: 56,963,279 km (0.046 R)
• M71: 57,332,038 km (0.077 R)
• M72: 57,455,157 km (0.077 R)
• M73: 57,824,963 km (0.107 R)
• M74: 58,319,234 km (0.116 R)
• M75: 58,443,101 km (0.08 R)
• M76: 58,815,001 km (0.052 R)
• M77: 60,310,531 km (0.098 R)
• M78: 60,811,834 km (0.1 R)
• M79: 61,818,478 km (0.101 R)
• M80: 64,615,210 km (0.114 R)
• M81: 65,771,153 km (0.028 R)
• M82: 68,886,977 km (0.096 R)
• M83: 69,410,869 km (0.066 R)
• M84: 69,673,413 km (0.111 R)
• M85: 69,936,107 km (0.112 R)
• M86: 73,115,511 km (0.11 R)
• M87: 73,649,874 km (0.095 R)
• M88: 80,163,665 km (0.118 R)
• M89: 80,852,712 km (0.092 R)
• M90: 81,543,705 km (0.084 R)
• M91: 83,628,501 km (0.092 R)
• M92: 84,887,666 km (0.103 R)
• M93: 85,590,028 km (0.076 R)
• M94: 86,153,264 km (0.104 R)
• M95: 92,285,131 km (0.107 R)
• M96: 94,021,364 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.1

Radius: 7.4

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 13.73 AU - 17.33 AU

Year: 26911 Days

Day: 19.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 92,241,558 km

• M1: 107,112 km (0.101 R)
• M2: 296,353 km (0.038 R)
• M3: 570,865 km (0.105 R)
• M4: 644,468 km (0.102 R)
• M5: 1,153,400 km (0.104 R)
• M6: 1,762,263 km (0.089 R)
• M7: 2,335,522 km (0.114 R)
• M8: 2,497,536 km (0.076 R)
• M9: 2,580,114 km (0.114 R)
• M10: 2,962,487 km (0.056 R)
• M11: 4,919,077 km (0.114 R)
• M12: 5,075,108 km (0.114 R)
• M13: 6,156,252 km (0.086 R)
• M14: 6,494,193 km (0.111 R)
• M15: 7,070,743 km (0.091 R)
• M16: 7,543,772 km (0.055 R)
• M17: 10,455,994 km (0.042 R)
• M18: 11,749,267 km (0.087 R)
• M19: 12,308,763 km (0.118 R)
• M20: 12,520,743 km (0.087 R)
• M21: 13,020,251 km (0.088 R)
• M22: 14,334,318 km (0.027 R)
• M23: 15,537,534 km (0.08 R)
• M24: 16,074,142 km (0.067 R)
• M25: 16,538,793 km (0.109 R)
• M26: 16,616,733 km (0.108 R)
• M27: 17,402,272 km (0.066 R)
• M28: 18,360,895 km (0.095 R)
• M29: 18,441,528 km (0.119 R)
• M30: 19,748,116 km (0.107 R)
• M31: 20,495,955 km (0.118 R)
• M32: 21,848,470 km (0.047 R)
• M33: 23,930,723 km (0.107 R)
• M34: 25,263,939 km (0.111 R)
• M35: 25,533,514 km (0.096 R)
• M36: 27,446,871 km (0.096 R)
• M37: 27,723,926 km (0.115 R)
• M38: 28,654,275 km (0.12 R)
• M39: 29,029,168 km (0.08 R)
• M40: 29,500,251 km (0.104 R)
• M41: 30,640,935 km (0.115 R)
• M42: 31,313,078 km (0.111 R)
• M43: 31,990,009 km (0.101 R)
• M44: 33,161,659 km (0.081 R)
• M45: 35,045,545 km (0.101 R)
• M46: 38,398,781 km (0.041 R)
• M47: 39,643,436 km (0.111 R)
• M48: 39,852,125 km (0.089 R)
• M49: 40,901,105 km (0.098 R)
• M50: 41,112,038 km (0.067 R)
• M51: 42,065,575 km (0.064 R)
• M52: 42,171,939 km (0.071 R)
• M53: 43,240,816 km (0.087 R)
• M54: 43,348,227 km (0.092 R)
• M55: 43,778,620 km (0.112 R)
• M56: 45,623,611 km (0.09 R)
• M57: 46,061,484 km (0.111 R)
• M58: 48,605,695 km (0.072 R)
• M59: 48,940,943 km (0.054 R)
• M60: 49,276,940 km (0.111 R)
• M61: 50,628,557 km (0.064 R)
• M62: 53,252,952 km (0.076 R)
• M63: 54,988,288 km (0.077 R)
• M64: 56,038,465 km (0.051 R)
• M65: 61,145,886 km (0.054 R)
• M66: 61,266,462 km (0.069 R)
• M67: 62,354,936 km (0.108 R)
• M68: 63,938,280 km (0.051 R)
• M69: 65,411,669 km (0.082 R)
• M70: 67,642,622 km (0.11 R)
• M71: 68,141,681 km (0.088 R)
• M72: 70,529,263 km (0.058 R)
• M73: 71,162,211 km (0.095 R)
• M74: 72,306,036 km (0.073 R)
• M75: 73,071,978 km (0.057 R)
• M76: 73,455,995 km (0.031 R)
• M77: 75,127,751 km (0.052 R)
• M78: 75,903,566 km (0.048 R)
• M79: 76,162,670 km (0.063 R)
• M80: 78,770,609 km (0.096 R)
• M81: 79,953,779 km (0.066 R)
• M82: 80,481,560 km (0.055 R)
• M83: 81,142,783 km (0.111 R)
• M84: 81,407,870 km (0.08 R)
• M85: 82,204,628 km (0.078 R)
• M86: 82,470,763 km (0.092 R)
• M87: 83,672,034 km (0.066 R)
• M88: 83,805,924 km (0.08 R)
• M89: 86,362,252 km (0.09 R)
• M90: 86,632,875 km (0.074 R)
• M91: 88,807,579 km (0.049 R)
• M92: 91,138,015 km (0.076 R)
• M93: 91,827,212 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 16,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit