🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.49 AU - 0.79 AU

Year: 187 Days

Day: 16 Hours

Environment

Temp: 141 °C

Axial Tilt: 7.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.13 AU - 1.49 AU

Year: 548 Days

Day: 39.6 Hours

Environment

Temp: -16 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.66 AU - 1.78 AU

Year: 824 Days

Day: 29.5 Hours

Environment

Temp: -49 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.3

Radius: 12

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.28 AU - 6.06 AU

Year: 4294 Days

Day: 12.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 95,059,550 km

• M1: 161,117 km (0.061 R)
• M2: 342,280 km (0.074 R)
• M3: 446,400 km (0.105 R)
• M4: 572,960 km (0.066 R)
• M5: 704,456 km (0.113 R)
• M6: 907,311 km (0.101 R)
• M7: 1,163,572 km (0.09 R)
• M8: 1,431,502 km (0.118 R)
• M9: 1,784,703 km (0.101 R)
• M10: 1,944,623 km (0.096 R)
• M11: 2,151,367 km (0.069 R)
• M12: 2,307,697 km (0.11 R)
• M13: 2,394,613 km (0.067 R)
• M14: 2,556,777 km (0.04 R)
• M15: 2,662,094 km (0.052 R)
• M16: 2,845,800 km (0.092 R)
• M17: 2,955,007 km (0.117 R)
• M18: 3,113,580 km (0.066 R)
• M19: 3,226,228 km (0.109 R)
• M20: 3,307,609 km (0.112 R)
• M21: 3,539,037 km (0.119 R)
• M22: 3,724,688 km (0.106 R)
• M23: 3,827,312 km (0.094 R)
• M24: 4,265,185 km (0.103 R)
• M25: 4,372,746 km (0.077 R)
• M26: 4,517,556 km (0.087 R)
• M27: 4,737,765 km (0.089 R)
• M28: 5,208,100 km (0.057 R)
• M29: 5,516,870 km (0.073 R)
• M30: 5,752,487 km (0.042 R)
• M31: 5,931,406 km (0.102 R)
• M32: 6,011,590 km (0.088 R)
• M33: 6,193,202 km (0.061 R)
• M34: 6,500,027 km (0.05 R)
• M35: 6,832,733 km (0.076 R)
• M36: 7,107,245 km (0.096 R)
• M37: 7,754,555 km (0.088 R)
• M38: 7,974,614 km (0.115 R)
• M39: 8,241,347 km (0.102 R)
• M40: 8,465,893 km (0.101 R)
• M41: 8,556,250 km (0.072 R)
• M42: 8,875,193 km (0.115 R)
• M43: 9,267,887 km (0.074 R)
• M44: 9,524,896 km (0.068 R)
• M45: 9,760,663 km (0.076 R)
• M46: 9,974,438 km (0.092 R)
• M47: 10,070,031 km (0.098 R)
• M48: 10,431,011 km (0.074 R)
• M49: 11,439,600 km (0.101 R)
• M50: 11,539,681 km (0.119 R)
• M51: 12,120,569 km (0.107 R)
• M52: 12,324,920 km (0.071 R)
• M53: 12,427,544 km (0.084 R)
• M54: 12,892,793 km (0.118 R)
• M55: 13,101,482 km (0.101 R)
• M56: 14,000,566 km (0.099 R)
• M57: 14,080,900 km (0.072 R)
• M58: 14,430,659 km (0.071 R)
• M59: 15,029,051 km (0.101 R)
• M60: 15,358,914 km (0.063 R)
• M61: 15,441,791 km (0.115 R)
• M62: 15,858,122 km (0.08 R)
• M63: 16,081,771 km (0.096 R)
• M64: 16,815,698 km (0.114 R)
• M65: 17,072,408 km (0.092 R)
• M66: 17,647,313 km (0.067 R)
• M67: 18,024,449 km (0.119 R)
• M68: 18,170,157 km (0.081 R)
• M69: 18,816,271 km (0.06 R)
• M70: 18,964,073 km (0.084 R)
• M71: 19,499,634 km (0.069 R)
• M72: 19,589,392 km (0.078 R)
• M73: 19,949,774 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.5

Radius: 10.1

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.41 AU - 7.09 AU

Year: 5036 Days

Day: 6.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 144.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 95,059,550 km

• M1: 145,708 km (0.079 R)
• M2: 245,191 km (0.113 R)
• M3: 410,048 km (0.082 R)
• M4: 474,674 km (0.095 R)
• M5: 591,959 km (0.096 R)
• M6: 719,865 km (0.059 R)
• M7: 1,324,839 km (0.115 R)
• M8: 1,731,595 km (0.089 R)
• M9: 1,939,836 km (0.088 R)
• M10: 2,037,074 km (0.048 R)
• M11: 2,485,120 km (0.118 R)
• M12: 2,830,093 km (0.066 R)
• M13: 3,213,362 km (0.083 R)
• M14: 3,305,963 km (0.054 R)
• M15: 3,831,501 km (0.087 R)
• M16: 4,255,461 km (0.096 R)
• M17: 4,383,068 km (0.115 R)
• M18: 5,039,952 km (0.054 R)
• M19: 5,256,869 km (0.089 R)
• M20: 5,953,995 km (0.026 R)
• M21: 6,125,734 km (0.099 R)
• M22: 6,444,826 km (0.078 R)
• M23: 6,532,789 km (0.058 R)
• M24: 6,621,202 km (0.061 R)
• M25: 7,008,810 km (0.082 R)
• M26: 7,190,122 km (0.066 R)
• M27: 7,774,901 km (0.028 R)
• M28: 8,152,037 km (0.116 R)
• M29: 8,631,947 km (0.057 R)
• M30: 9,186,955 km (0.108 R)
• M31: 9,352,410 km (0.103 R)
• M32: 9,452,192 km (0.098 R)
• M33: 9,652,653 km (0.088 R)
• M34: 9,753,482 km (0.034 R)
• M35: 9,888,419 km (0.112 R)
• M36: 9,990,146 km (0.11 R)
• M37: 10,262,863 km (0.028 R)
• M38: 10,641,944 km (0.114 R)
• M39: 11,236,745 km (0.09 R)
• M40: 11,342,810 km (0.113 R)
• M41: 11,449,323 km (0.097 R)
• M42: 11,806,563 km (0.065 R)
• M43: 11,950,476 km (0.091 R)
• M44: 12,094,838 km (0.111 R)
• M45: 12,458,660 km (0.12 R)
• M46: 12,974,025 km (0.111 R)
• M47: 13,346,524 km (0.093 R)
• M48: 13,571,668 km (0.117 R)
• M49: 14,871,076 km (0.113 R)
• M50: 15,143,493 km (0.078 R)
• M51: 15,812,046 km (0.111 R)
• M52: 16,249,919 km (0.076 R)
• M53: 17,055,952 km (0.117 R)
• M54: 17,628,015 km (0.07 R)
• M55: 17,833,861 km (0.092 R)
• M56: 18,289,536 km (0.078 R)
• M57: 20,150,085 km (0.054 R)
• M58: 20,236,104 km (0.119 R)
• M59: 21,365,269 km (0.047 R)
• M60: 21,672,842 km (0.078 R)
• M61: 22,872,617 km (0.043 R)
• M62: 23,232,250 km (0.094 R)
• M63: 23,412,665 km (0.116 R)
• M64: 24,093,784 km (0.093 R)
• M65: 24,322,370 km (0.109 R)
• M66: 24,551,554 km (0.111 R)
• M67: 24,689,333 km (0.094 R)
• M68: 25,615,045 km (0.115 R)
• M69: 25,988,591 km (0.116 R)
• M70: 27,309,839 km (0.046 R)
• M71: 28,315,137 km (0.103 R)
• M72: 28,992,067 km (0.044 R)
• M73: 30,608,772 km (0.057 R)
• M74: 30,806,690 km (0.116 R)
• M75: 31,005,056 km (0.106 R)
• M76: 31,602,700 km (0.085 R)
• M77: 32,103,553 km (0.086 R)
• M78: 32,657,664 km (0.069 R)
• M79: 32,859,920 km (0.047 R)
• M80: 33,622,271 km (0.12 R)
• M81: 33,826,472 km (0.103 R)
• M82: 34,082,284 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 10.5

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.5 AU - 9.58 AU

Year: 8327 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 95,059,550 km

• M1: 149,598 km (0.079 R)
• M2: 273,166 km (0.12 R)
• M3: 343,028 km (0.08 R)
• M4: 433,385 km (0.082 R)
• M5: 1,252,583 km (0.091 R)
• M6: 1,561,054 km (0.092 R)
• M7: 1,829,582 km (0.067 R)
• M8: 2,944,984 km (0.097 R)
• M9: 3,786,322 km (0.114 R)
• M10: 3,924,251 km (0.112 R)
• M11: 5,178,330 km (0.088 R)
• M12: 5,611,715 km (0.102 R)
• M13: 5,896,550 km (0.106 R)
• M14: 6,186,171 km (0.089 R)
• M15: 6,745,966 km (0.041 R)
• M16: 6,812,986 km (0.057 R)
• M17: 7,668,387 km (0.108 R)
• M18: 7,808,410 km (0.096 R)
• M19: 8,019,942 km (0.116 R)
• M20: 8,233,568 km (0.114 R)
• M21: 9,217,622 km (0.108 R)
• M22: 9,856,256 km (0.081 R)
• M23: 11,018,033 km (0.115 R)
• M24: 12,345,415 km (0.108 R)
• M25: 12,468,534 km (0.11 R)
• M26: 12,633,391 km (0.083 R)
• M27: 13,090,562 km (0.104 R)
• M28: 13,174,187 km (0.081 R)
• M29: 14,451,154 km (0.069 R)
• M30: 14,711,155 km (0.111 R)
• M31: 15,945,487 km (0.111 R)
• M32: 16,034,947 km (0.106 R)
• M33: 16,439,460 km (0.116 R)
• M34: 16,801,786 km (0.09 R)
• M35: 17,626,818 km (0.104 R)
• M36: 18,137,545 km (0.115 R)
• M37: 18,983,820 km (0.104 R)
• M38: 19,126,088 km (0.12 R)
• M39: 19,411,670 km (0.029 R)
• M40: 19,890,982 km (0.096 R)
• M41: 20,180,304 km (0.1 R)
• M42: 21,106,016 km (0.081 R)
• M43: 21,946,008 km (0.088 R)
• M44: 22,095,306 km (0.111 R)
• M45: 22,295,019 km (0.115 R)
• M46: 22,545,446 km (0.111 R)
• M47: 23,099,706 km (0.108 R)
• M48: 23,709,467 km (0.105 R)
• M49: 23,862,805 km (0.072 R)
• M50: 25,100,877 km (0.104 R)
• M51: 26,624,531 km (0.108 R)
• M52: 27,156,950 km (0.088 R)
• M53: 27,317,319 km (0.041 R)
• M54: 27,854,226 km (0.107 R)
• M55: 28,123,951 km (0.086 R)
• M56: 28,666,094 km (0.062 R)
• M57: 29,376,085 km (0.059 R)
• M58: 29,870,955 km (0.076 R)
• M59: 30,590,670 km (0.106 R)
• M60: 32,443,290 km (0.104 R)
• M61: 32,897,918 km (0.112 R)
• M62: 34,621,286 km (0.113 R)
• M63: 35,610,726 km (0.086 R)
• M64: 36,020,923 km (0.05 R)
• M65: 36,314,883 km (0.094 R)
• M66: 36,432,766 km (0.042 R)
• M67: 37,260,790 km (0.118 R)
• M68: 37,498,651 km (0.074 R)
• M69: 37,617,731 km (0.109 R)
• M70: 37,736,960 km (0.112 R)
• M71: 38,694,985 km (0.096 R)
• M72: 40,635,120 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.3

Radius: 7.2

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 16.04 AU - 16.5 AU

Year: 23970 Days

Day: 17.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 95,059,550 km

• M1: 92,152 km (0.076 R)
• M2: 258,056 km (0.081 R)
• M3: 938,128 km (0.079 R)
• M4: 1,252,882 km (0.107 R)
• M5: 1,313,469 km (0.096 R)
• M6: 1,732,194 km (0.091 R)
• M7: 2,117,109 km (0.083 R)
• M8: 2,644,442 km (0.102 R)
• M9: 3,379,865 km (0.074 R)
• M10: 4,128,901 km (0.047 R)
• M11: 4,831,263 km (0.074 R)
• M12: 5,469,597 km (0.113 R)
• M13: 5,824,144 km (0.107 R)
• M14: 6,343,698 km (0.095 R)
• M15: 6,662,640 km (0.12 R)
• M16: 6,770,052 km (0.052 R)
• M17: 7,095,876 km (0.114 R)
• M18: 7,876,029 km (0.097 R)
• M19: 8,276,353 km (0.063 R)
• M20: 9,156,138 km (0.104 R)
• M21: 9,637,544 km (0.081 R)
• M22: 10,003,909 km (0.12 R)
• M23: 10,374,912 km (0.07 R)
• M24: 10,939,793 km (0.096 R)
• M25: 11,579,324 km (0.03 R)
• M26: 13,297,755 km (0.106 R)
• M27: 13,637,342 km (0.094 R)
• M28: 15,448,374 km (0.083 R)
• M29: 17,853,758 km (0.05 R)
• M30: 18,078,155 km (0.112 R)
• M31: 18,378,697 km (0.075 R)
• M32: 20,685,795 km (0.089 R)
• M33: 21,000,250 km (0.075 R)
• M34: 21,395,487 km (0.109 R)
• M35: 21,633,797 km (0.056 R)
• M36: 21,793,268 km (0.083 R)
• M37: 21,953,039 km (0.088 R)
• M38: 22,193,443 km (0.079 R)
• M39: 22,757,726 km (0.084 R)
• M40: 23,245,265 km (0.106 R)
• M41: 23,900,504 km (0.079 R)
• M42: 26,241,561 km (0.065 R)
• M43: 26,496,775 km (0.038 R)
• M44: 29,798,998 km (0.118 R)
• M45: 30,599,945 km (0.057 R)
• M46: 31,498,131 km (0.086 R)
• M47: 32,222,933 km (0.115 R)
• M48: 32,496,098 km (0.067 R)
• M49: 33,688,992 km (0.105 R)
• M50: 34,523,149 km (0.048 R)
• M51: 34,896,097 km (0.115 R)
• M52: 35,082,945 km (0.085 R)
• M53: 35,457,987 km (0.066 R)
• M54: 36,306,356 km (0.107 R)
• M55: 37,161,457 km (0.101 R)
• M56: 39,474,091 km (0.088 R)
• M57: 41,832,801 km (0.095 R)
• M58: 43,129,515 km (0.099 R)
• M59: 43,330,126 km (0.117 R)
• M60: 43,631,715 km (0.116 R)
• M61: 44,439,244 km (0.08 R)
• M62: 47,511,386 km (0.075 R)
• M63: 49,072,889 km (0.091 R)
• M64: 49,492,212 km (0.091 R)
• M65: 50,123,215 km (0.096 R)
• M66: 50,228,682 km (0.105 R)
• M67: 51,819,206 km (0.104 R)
• M68: 52,567,046 km (0.12 R)
• M69: 53,533,897 km (0.116 R)
• M70: 56,140,640 km (0.078 R)
• M71: 59,903,775 km (0.077 R)
• M72: 60,576,217 km (0.075 R)
• M73: 61,138,555 km (0.113 R)
• M74: 62,155,073 km (0.093 R)
• M75: 63,063,282 km (0.093 R)
• M76: 64,090,421 km (0.032 R)
• M77: 65,122,945 km (0.112 R)
• M78: 69,073,077 km (0.079 R)
• M79: 70,131,631 km (0.067 R)
• M80: 73,100,102 km (0.114 R)
• M81: 73,938,598 km (0.067 R)
• M82: 74,419,256 km (0.117 R)
• M83: 75,142,113 km (0.099 R)
• M84: 75,262,689 km (0.086 R)
• M85: 75,383,564 km (0.069 R)
• M86: 75,504,289 km (0.084 R)
• M87: 76,473,235 km (0.105 R)
• M88: 77,080,901 km (0.081 R)
• M89: 77,568,142 km (0.088 R)
• M90: 77,934,357 km (0.088 R)
• M91: 78,178,800 km (0.076 R)
• M92: 80,760,410 km (0.114 R)
• M93: 81,007,696 km (0.109 R)
• M94: 81,255,280 km (0.112 R)
• M95: 82,621,558 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.4

Radius: 6.9

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 15.36 AU - 22.76 AU

Year: 30393 Days

Day: 21.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 95,059,550 km

• M1: 119,379 km (0.073 R)
• M2: 166,951 km (0.026 R)
• M3: 226,641 km (0.114 R)
• M4: 734,526 km (0.113 R)
• M5: 932,593 km (0.088 R)
• M6: 1,053,468 km (0.063 R)
• M7: 1,344,436 km (0.034 R)
• M8: 2,075,670 km (0.063 R)
• M9: 2,607,491 km (0.106 R)
• M10: 3,271,107 km (0.103 R)
• M11: 4,132,940 km (0.103 R)
• M12: 4,744,496 km (0.095 R)
• M13: 5,221,564 km (0.107 R)
• M14: 6,050,486 km (0.049 R)
• M15: 6,393,514 km (0.089 R)
• M16: 6,451,259 km (0.044 R)
• M17: 6,919,799 km (0.115 R)
• M18: 7,278,385 km (0.112 R)
• M19: 8,580,485 km (0.076 R)
• M20: 9,487,946 km (0.084 R)
• M21: 10,222,023 km (0.085 R)
• M22: 10,357,558 km (0.067 R)
• M23: 10,561,759 km (0.115 R)
• M24: 12,676,924 km (0.075 R)
• M25: 12,749,628 km (0.095 R)
• M26: 12,895,486 km (0.1 R)
• M27: 13,633,004 km (0.08 R)
• M28: 13,931,751 km (0.11 R)
• M29: 14,232,741 km (0.104 R)
• M30: 14,611,972 km (0.115 R)
• M31: 15,847,950 km (0.085 R)
• M32: 16,319,931 km (0.083 R)
• M33: 16,637,228 km (0.091 R)
• M34: 17,358,589 km (0.1 R)
• M35: 18,171,953 km (0.082 R)
• M36: 19,499,035 km (0.087 R)
• M37: 21,808,378 km (0.07 R)
• M38: 23,039,418 km (0.102 R)
• M39: 23,128,280 km (0.086 R)
• M40: 23,842,609 km (0.115 R)
• M41: 23,932,518 km (0.066 R)
• M42: 25,293,260 km (0.099 R)
• M43: 26,306,935 km (0.098 R)
• M44: 26,959,032 km (0.067 R)
• M45: 29,426,948 km (0.099 R)
• M46: 30,687,909 km (0.084 R)
• M47: 32,363,106 km (0.089 R)
• M48: 33,865,816 km (0.116 R)
• M49: 34,778,214 km (0.073 R)
• M50: 37,355,037 km (0.113 R)
• M51: 38,824,687 km (0.067 R)
• M52: 41,172,176 km (0.118 R)
• M53: 41,928,693 km (0.09 R)
• M54: 44,889,384 km (0.053 R)
• M55: 45,556,441 km (0.114 R)
• M56: 46,675,433 km (0.089 R)
• M57: 47,577,209 km (0.114 R)
• M58: 50,316,645 km (0.112 R)
• M59: 51,357,099 km (0.102 R)
• M60: 51,938,137 km (0.067 R)
• M61: 52,171,210 km (0.082 R)
• M62: 52,989,511 km (0.098 R)
• M63: 53,224,230 km (0.088 R)
• M64: 56,185,819 km (0.057 R)
• M65: 58,109,049 km (0.105 R)
• M66: 59,687,606 km (0.095 R)
• M67: 62,267,271 km (0.065 R)
• M68: 63,632,950 km (0.027 R)
• M69: 67,280,446 km (0.112 R)
• M70: 68,937,392 km (0.043 R)
• M71: 71,253,765 km (0.103 R)
• M72: 74,513,054 km (0.12 R)
• M73: 74,907,394 km (0.094 R)
• M74: 75,698,318 km (0.057 R)
• M75: 76,624,329 km (0.107 R)
• M76: 78,087,246 km (0.067 R)
• M77: 78,889,091 km (0.051 R)
• M78: 79,693,778 km (0.108 R)
• M79: 80,501,008 km (0.062 R)
• M80: 80,635,795 km (0.12 R)
• M81: 80,770,733 km (0.117 R)
• M82: 80,905,670 km (0.118 R)
• M83: 82,259,381 km (0.092 R)
• M84: 82,803,020 km (0.098 R)
• M85: 83,484,139 km (0.07 R)
• M86: 84,852,062 km (0.107 R)
• M87: 87,610,048 km (0.08 R)
• M88: 89,837,560 km (0.08 R)
• M89: 90,817,875 km (0.043 R)
• M90: 91,801,930 km (0.053 R)
• M91: 91,942,702 km (0.096 R)
• M92: 93,922,181 km (0.114 R)
• M93: 95,059,573 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 11,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit