🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 13.3

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.03 AU - 1.59 AU

Year: 968 Days

Day: 14.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 74.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 33,085,975 km

• M1: 165,754 km (0.088 R)
• M2: 286,779 km (0.089 R)
• M3: 388,206 km (0.049 R)
• M4: 679,922 km (0.081 R)
• M5: 789,428 km (0.083 R)
• M6: 932,743 km (0.086 R)
• M7: 1,028,785 km (0.107 R)
• M8: 1,172,548 km (0.08 R)
• M9: 1,315,713 km (0.083 R)
• M10: 1,595,611 km (0.035 R)
• M11: 1,696,290 km (0.061 R)
• M12: 1,816,417 km (0.11 R)
• M13: 2,148,076 km (0.033 R)
• M14: 2,421,840 km (0.069 R)
• M15: 2,577,871 km (0.115 R)
• M16: 2,697,250 km (0.108 R)
• M17: 2,900,254 km (0.094 R)
• M18: 3,055,836 km (0.048 R)
• M19: 3,473,812 km (0.055 R)
• M20: 3,606,206 km (0.114 R)
• M21: 3,740,246 km (0.101 R)
• M22: 3,875,931 km (0.12 R)
• M23: 4,094,195 km (0.103 R)
• M24: 4,199,063 km (0.065 R)
• M25: 4,471,331 km (0.026 R)
• M26: 4,639,778 km (0.107 R)
• M27: 4,871,954 km (0.12 R)
• M28: 5,008,088 km (0.117 R)
• M29: 5,120,586 km (0.095 R)
• M30: 5,271,679 km (0.107 R)
• M31: 5,385,972 km (0.068 R)
• M32: 5,475,581 km (0.119 R)
• M33: 5,864,985 km (0.102 R)
• M34: 6,010,094 km (0.107 R)
• M35: 6,102,995 km (0.108 R)
• M36: 6,196,493 km (0.068 R)
• M37: 6,290,291 km (0.118 R)
• M38: 6,411,765 km (0.088 R)
• M39: 6,657,105 km (0.09 R)
• M40: 7,482,885 km (0.075 R)
• M41: 7,611,689 km (0.119 R)
• M42: 7,741,241 km (0.111 R)
• M43: 7,828,157 km (0.105 R)
• M44: 7,958,906 km (0.107 R)
• M45: 8,075,742 km (0.051 R)
• M46: 8,252,267 km (0.096 R)
• M47: 8,474,570 km (0.104 R)
• M48: 8,579,139 km (0.104 R)
• M49: 8,668,897 km (0.073 R)
• M50: 9,062,041 km (0.096 R)
• M51: 9,322,341 km (0.091 R)
• M52: 9,430,201 km (0.086 R)
• M53: 9,912,953 km (0.1 R)
• M54: 10,102,045 km (0.108 R)
• M55: 10,197,040 km (0.089 R)
• M56: 10,340,055 km (0.088 R)
• M57: 10,451,805 km (0.101 R)
• M58: 10,967,618 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.5

Radius: 10.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.85 AU - 2.17 AU

Year: 1840 Days

Day: 11 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 33,085,975 km

• M1: 132,245 km (0.07 R)
• M2: 235,916 km (0.107 R)
• M3: 359,334 km (0.101 R)
• M4: 449,841 km (0.031 R)
• M5: 530,474 km (0.1 R)
• M6: 637,586 km (0.118 R)
• M7: 730,636 km (0.069 R)
• M8: 883,824 km (0.107 R)
• M9: 1,014,423 km (0.094 R)
• M10: 1,099,544 km (0.036 R)
• M11: 1,241,064 km (0.071 R)
• M12: 1,332,767 km (0.049 R)
• M13: 1,407,716 km (0.089 R)
• M14: 1,572,124 km (0.08 R)
• M15: 1,702,274 km (0.075 R)
• M16: 1,857,108 km (0.108 R)
• M17: 2,103,496 km (0.097 R)
• M18: 2,270,148 km (0.11 R)
• M19: 2,429,619 km (0.105 R)
• M20: 2,545,857 km (0.032 R)
• M21: 2,979,840 km (0.087 R)
• M22: 3,091,889 km (0.084 R)
• M23: 3,167,585 km (0.075 R)
• M24: 3,333,489 km (0.078 R)
• M25: 3,554,745 km (0.059 R)
• M26: 3,647,346 km (0.111 R)
• M27: 3,754,159 km (0.074 R)
• M28: 3,834,941 km (0.116 R)
• M29: 4,094,643 km (0.104 R)
• M30: 4,360,180 km (0.054 R)
• M31: 4,445,301 km (0.109 R)
• M32: 4,834,854 km (0.112 R)
• M33: 5,070,919 km (0.06 R)
• M34: 5,310,874 km (0.109 R)
• M35: 5,447,457 km (0.075 R)
• M36: 5,786,446 km (0.056 R)
• M37: 5,989,899 km (0.1 R)
• M38: 6,211,752 km (0.097 R)
• M39: 6,387,979 km (0.063 R)
• M40: 6,877,014 km (0.047 R)
• M41: 6,959,742 km (0.105 R)
• M42: 7,260,134 km (0.047 R)
• M43: 7,378,167 km (0.119 R)
• M44: 7,547,811 km (0.115 R)
• M45: 7,616,177 km (0.116 R)
• M46: 7,701,747 km (0.059 R)
• M47: 7,873,934 km (0.112 R)
• M48: 8,117,031 km (0.106 R)
• M49: 8,362,820 km (0.06 R)
• M50: 8,664,409 km (0.097 R)
• M51: 8,843,628 km (0.094 R)
• M52: 9,005,792 km (0.033 R)
• M53: 9,132,800 km (0.12 R)
• M54: 9,351,662 km (0.073 R)
• M55: 9,627,820 km (0.026 R)
• M56: 9,794,771 km (0.084 R)
• M57: 9,944,070 km (0.084 R)
• M58: 10,075,267 km (0.117 R)
• M59: 10,510,298 km (0.074 R)
• M60: 10,586,742 km (0.109 R)
• M61: 10,951,761 km (0.117 R)
• M62: 11,203,833 km (0.07 R)
• M63: 11,320,819 km (0.065 R)
• M64: 11,832,743 km (0.083 R)
• M65: 12,291,859 km (0.08 R)
• M66: 12,452,826 km (0.069 R)
• M67: 12,594,346 km (0.111 R)
• M68: 12,736,314 km (0.101 R)
• M69: 13,206,799 km (0.106 R)
• M70: 13,289,228 km (0.074 R)
• M71: 13,413,244 km (0.092 R)
• M72: 14,017,620 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.8

Radius: 14.5

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.16 AU - 3.32 AU

Year: 2928 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 33,085,975 km

• M1: 202,705 km (0.06 R)
• M2: 352,901 km (0.072 R)
• M3: 640,428 km (0.116 R)
• M4: 846,574 km (0.081 R)
• M5: 975,229 km (0.093 R)
• M6: 1,146,518 km (0.107 R)
• M7: 1,328,579 km (0.086 R)
• M8: 1,533,977 km (0.079 R)
• M9: 1,654,253 km (0.113 R)
• M10: 1,820,008 km (0.054 R)
• M11: 1,962,574 km (0.049 R)
• M12: 2,259,227 km (0.113 R)
• M13: 2,351,230 km (0.104 R)
• M14: 2,475,845 km (0.081 R)
• M15: 2,602,704 km (0.063 R)
• M16: 2,846,698 km (0.093 R)
• M17: 2,996,894 km (0.047 R)
• M18: 3,357,724 km (0.088 R)
• M19: 3,805,620 km (0.084 R)
• M20: 4,083,723 km (0.101 R)
• M21: 4,368,557 km (0.081 R)
• M22: 4,640,376 km (0.106 R)
• M23: 4,758,559 km (0.112 R)
• M24: 5,139,734 km (0.072 R)
• M25: 5,385,673 km (0.1 R)
• M26: 5,846,584 km (0.081 R)
• M27: 6,081,901 km (0.102 R)
• M28: 6,211,603 km (0.101 R)
• M29: 6,364,193 km (0.113 R)
• M30: 6,806,853 km (0.063 R)
• M31: 6,964,080 km (0.119 R)
• M32: 7,122,654 km (0.038 R)
• M33: 7,374,277 km (0.112 R)
• M34: 7,582,368 km (0.076 R)
• M35: 7,722,092 km (0.114 R)
• M36: 8,242,244 km (0.119 R)
• M37: 8,386,008 km (0.116 R)
• M38: 8,627,608 km (0.087 R)
• M39: 8,994,273 km (0.108 R)
• M40: 9,366,173 km (0.081 R)
• M41: 10,125,083 km (0.103 R)
• M42: 10,486,063 km (0.096 R)
• M43: 10,956,398 km (0.072 R)
• M44: 11,167,780 km (0.085 R)
• M45: 11,327,102 km (0.067 R)
• M46: 11,621,211 km (0.067 R)
• M47: 11,836,782 km (0.092 R)
• M48: 12,108,003 km (0.12 R)
• M49: 12,767,580 km (0.06 R)
• M50: 12,962,057 km (0.072 R)
• M51: 13,073,807 km (0.098 R)
• M52: 13,438,826 km (0.113 R)
• M53: 13,636,744 km (0.096 R)
• M54: 13,921,279 km (0.091 R)
• M55: 14,990,903 km (0.056 R)
• M56: 15,432,068 km (0.118 R)
• M57: 15,580,169 km (0.109 R)
• M58: 16,447,987 km (0.05 R)
• M59: 16,569,011 km (0.082 R)
• M60: 17,116,988 km (0.065 R)
• M61: 17,239,509 km (0.074 R)
• M62: 17,393,146 km (0.068 R)
• M63: 18,105,830 km (0.09 R)
• M64: 18,418,639 km (0.113 R)
• M65: 18,764,809 km (0.06 R)
• M66: 18,859,654 km (0.056 R)
• M67: 19,272,245 km (0.107 R)
• M68: 19,495,595 km (0.047 R)
• M69: 19,623,650 km (0.079 R)
• M70: 20,138,716 km (0.054 R)
• M71: 20,430,432 km (0.097 R)
• M72: 20,625,657 km (0.091 R)
• M73: 21,346,868 km (0.114 R)
• M74: 21,776,812 km (0.12 R)
• M75: 21,976,226 km (0.072 R)
• M76: 22,109,668 km (0.104 R)
• M77: 22,276,619 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 12.3

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.02 AU - 3.04 AU

Year: 3405 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 33,085,975 km

• M1: 166,054 km (0.119 R)
• M2: 263,891 km (0.111 R)
• M3: 551,268 km (0.085 R)
• M4: 749,336 km (0.101 R)
• M5: 983,606 km (0.086 R)
• M6: 1,121,984 km (0.064 R)
• M7: 1,230,143 km (0.104 R)
• M8: 1,484,011 km (0.09 R)
• M9: 1,969,306 km (0.118 R)
• M10: 2,072,230 km (0.099 R)
• M11: 2,161,988 km (0.096 R)
• M12: 2,423,486 km (0.082 R)
• M13: 3,045,364 km (0.087 R)
• M14: 3,199,749 km (0.038 R)
• M15: 3,498,795 km (0.042 R)
• M16: 3,751,915 km (0.109 R)
• M17: 4,067,417 km (0.078 R)
• M18: 4,180,961 km (0.062 R)
• M19: 4,411,043 km (0.109 R)
• M20: 4,944,210 km (0.102 R)
• M21: 5,065,533 km (0.079 R)
• M22: 5,414,545 km (0.086 R)
• M23: 6,006,654 km (0.08 R)
• M24: 6,092,972 km (0.062 R)
• M25: 6,201,430 km (0.104 R)
• M26: 6,332,478 km (0.036 R)
• M27: 6,708,717 km (0.111 R)
• M28: 7,298,282 km (0.112 R)
• M29: 7,483,035 km (0.091 R)
• M30: 7,669,434 km (0.082 R)
• M31: 7,786,719 km (0.108 R)
• M32: 8,118,228 km (0.112 R)
• M33: 8,285,777 km (0.068 R)
• M34: 8,406,054 km (0.05 R)
• M35: 8,770,774 km (0.042 R)
• M36: 8,967,345 km (0.095 R)
• M37: 9,717,578 km (0.044 R)
• M38: 10,461,977 km (0.092 R)
• M39: 11,091,934 km (0.11 R)
• M40: 11,278,034 km (0.105 R)
• M41: 11,384,847 km (0.075 R)
• M42: 11,518,886 km (0.106 R)
• M43: 11,599,520 km (0.111 R)
• M44: 11,734,307 km (0.07 R)
• M45: 11,815,389 km (0.104 R)
• M46: 12,333,746 km (0.103 R)
• M47: 12,692,631 km (0.076 R)
• M48: 12,831,608 km (0.107 R)
• M49: 13,364,326 km (0.106 R)
• M50: 13,534,119 km (0.075 R)
• M51: 14,335,665 km (0.103 R)
• M52: 14,451,454 km (0.108 R)
• M53: 14,654,757 km (0.088 R)
• M54: 15,211,560 km (0.058 R)
• M55: 15,359,213 km (0.057 R)
• M56: 15,984,832 km (0.075 R)
• M57: 16,709,783 km (0.05 R)
• M58: 17,291,419 km (0.076 R)
• M59: 17,383,871 km (0.115 R)
• M60: 17,879,788 km (0.049 R)
• M61: 18,160,733 km (0.093 R)
• M62: 18,569,135 km (0.102 R)
• M63: 18,917,100 km (0.061 R)
• M64: 19,299,173 km (0.07 R)
• M65: 19,748,116 km (0.077 R)
• M66: 20,265,425 km (0.096 R)
• M67: 20,558,487 km (0.112 R)
• M68: 20,852,896 km (0.08 R)
• M69: 22,547,241 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.2

Radius: 13.7

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.12 AU - 3.52 AU

Year: 3906 Days

Day: 9.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 33,085,975 km

• M1: 192,383 km (0.108 R)
• M2: 442,062 km (0.107 R)
• M3: 628,461 km (0.112 R)
• M4: 733,179 km (0.066 R)
• M5: 856,448 km (0.079 R)
• M6: 1,423,573 km (0.101 R)
• M7: 1,567,486 km (0.032 R)
• M8: 1,823,897 km (0.085 R)
• M9: 2,094,370 km (0.116 R)
• M10: 2,361,103 km (0.072 R)
• M11: 2,550,943 km (0.09 R)
• M12: 2,674,511 km (0.102 R)
• M13: 2,818,274 km (0.098 R)
• M14: 3,076,331 km (0.107 R)
• M15: 3,170,278 km (0.105 R)
• M16: 3,556,241 km (0.113 R)
• M17: 3,775,102 km (0.111 R)
• M18: 3,957,462 km (0.096 R)
• M19: 4,080,731 km (0.095 R)
• M20: 4,247,233 km (0.086 R)
• M21: 5,001,655 km (0.119 R)
• M22: 6,270,544 km (0.061 R)
• M23: 6,682,238 km (0.107 R)
• M24: 7,253,253 km (0.109 R)
• M25: 7,404,945 km (0.116 R)
• M26: 7,659,860 km (0.071 R)
• M27: 7,866,006 km (0.116 R)
• M28: 7,995,857 km (0.057 R)
• M29: 8,762,546 km (0.106 R)
• M30: 9,141,178 km (0.093 R)
• M31: 9,277,761 km (0.036 R)
• M32: 9,470,144 km (0.119 R)
• M33: 9,858,649 km (0.073 R)
• M34: 10,054,922 km (0.091 R)
• M35: 10,167,718 km (0.11 R)
• M36: 10,882,048 km (0.025 R)
• M37: 11,114,075 km (0.096 R)
• M38: 11,201,440 km (0.113 R)
• M39: 11,730,867 km (0.076 R)
• M40: 12,208,383 km (0.106 R)
• M41: 12,449,535 km (0.105 R)
• M42: 12,601,077 km (0.054 R)
• M43: 13,120,930 km (0.069 R)
• M44: 13,306,132 km (0.104 R)
• M45: 14,371,718 km (0.094 R)
• M46: 14,690,361 km (0.027 R)
• M47: 15,043,562 km (0.096 R)
• M48: 15,172,665 km (0.093 R)
• M49: 15,660,204 km (0.101 R)
• M50: 16,120,068 km (0.114 R)
• M51: 17,221,258 km (0.112 R)
• M52: 17,491,881 km (0.073 R)
• M53: 17,661,824 km (0.065 R)
• M54: 17,798,107 km (0.096 R)
• M55: 18,277,868 km (0.107 R)
• M56: 18,450,354 km (0.091 R)
• M57: 18,554,026 km (0.098 R)
• M58: 19,215,248 km (0.081 R)
• M59: 19,355,571 km (0.089 R)
• M60: 19,955,159 km (0.112 R)
• M61: 20,310,753 km (0.093 R)
• M62: 20,632,688 km (0.085 R)
• M63: 20,992,321 km (0.106 R)
• M64: 21,827,227 km (0.118 R)
• M65: 22,525,251 km (0.096 R)
• M66: 22,636,103 km (0.074 R)
• M67: 23,830,193 km (0.042 R)
• M68: 24,169,780 km (0.096 R)
• M69: 24,359,021 km (0.099 R)
• M70: 24,853,592 km (0.117 R)
• M71: 25,121,222 km (0.12 R)
• M72: 25,274,560 km (0.029 R)
• M73: 25,389,900 km (0.102 R)
• M74: 25,698,072 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918

Radius: 9.2

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.65 AU - 4.13 AU

Year: 4954 Days

Day: 5.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 33,085,975 km

• M1: 142,567 km (0.055 R)
• M2: 200,760 km (0.083 R)
• M3: 268,827 km (0.107 R)
• M4: 516,711 km (0.108 R)
• M5: 611,107 km (0.108 R)
• M6: 818,899 km (0.117 R)
• M7: 1,095,206 km (0.076 R)
• M8: 1,450,950 km (0.105 R)
• M9: 1,571,526 km (0.072 R)
• M10: 1,695,692 km (0.112 R)
• M11: 1,934,899 km (0.089 R)
• M12: 2,344,348 km (0.106 R)
• M13: 2,445,925 km (0.113 R)
• M14: 2,590,586 km (0.119 R)
• M15: 2,653,417 km (0.102 R)
• M16: 2,716,697 km (0.046 R)
• M17: 2,909,978 km (0.107 R)
• M18: 4,088,360 km (0.1 R)
• M19: 4,510,825 km (0.054 R)
• M20: 4,688,846 km (0.051 R)
• M21: 4,947,351 km (0.027 R)
• M22: 5,451,197 km (0.095 R)
• M23: 5,559,356 km (0.071 R)
• M24: 5,888,172 km (0.092 R)
• M25: 6,507,507 km (0.057 R)
• M26: 7,236,199 km (0.055 R)
• M27: 7,625,452 km (0.118 R)
• M28: 7,960,252 km (0.081 R)
• M29: 8,675,480 km (0.11 R)
• M30: 8,833,754 km (0.073 R)
• M31: 10,001,216 km (0.092 R)
• M32: 10,200,480 km (0.102 R)
• M33: 10,300,711 km (0.055 R)
• M34: 11,079,218 km (0.102 R)
• M35: 11,285,514 km (0.093 R)
• M36: 11,354,478 km (0.085 R)
• M37: 11,631,982 km (0.065 R)
• M38: 11,806,563 km (0.056 R)
• M39: 11,982,041 km (0.114 R)
• M40: 12,513,712 km (0.072 R)
• M41: 12,728,535 km (0.052 R)
• M42: 13,343,681 km (0.119 R)
• M43: 13,599,942 km (0.064 R)
• M44: 14,154,352 km (0.078 R)
• M45: 14,453,099 km (0.095 R)
• M46: 15,399,904 km (0.084 R)
• M47: 15,553,242 km (0.118 R)
• M48: 16,288,665 km (0.057 R)
• M49: 16,680,312 km (0.114 R)
• M50: 16,798,345 km (0.05 R)
• M51: 17,392,996 km (0.093 R)
• M52: 17,632,802 km (0.038 R)
• M53: 17,833,562 km (0.118 R)
• M54: 18,156,095 km (0.11 R)
• M55: 19,218,090 km (0.114 R)
• M56: 19,965,033 km (0.114 R)
• M57: 20,384,056 km (0.073 R)
• M58: 21,487,191 km (0.109 R)
• M59: 21,572,911 km (0.093 R)
• M60: 21,658,630 km (0.097 R)
• M61: 21,787,583 km (0.108 R)
• M62: 21,873,602 km (0.059 R)
• M63: 22,046,089 km (0.1 R)
• M64: 22,653,306 km (0.076 R)
• M65: 22,871,420 km (0.098 R)
• M66: 23,134,264 km (0.078 R)
• M67: 23,706,924 km (0.107 R)
• M68: 23,795,486 km (0.098 R)
• M69: 23,928,479 km (0.086 R)
• M70: 25,136,481 km (0.046 R)
• M71: 25,453,031 km (0.097 R)
• M72: 26,685,867 km (0.066 R)
• M73: 27,425,778 km (0.093 R)
• M74: 27,704,927 km (0.041 R)
• M75: 27,844,801 km (0.116 R)
• M76: 28,266,069 km (0.086 R)
• M77: 28,359,867 km (0.104 R)
• M78: 28,500,938 km (0.117 R)
• M79: 29,209,583 km (0.115 R)
• M80: 30,211,440 km (0.052 R)
• M81: 30,499,715 km (0.094 R)
• M82: 32,150,826 km (0.084 R)
• M83: 32,494,303 km (0.094 R)
• M84: 33,036,595 km (0.068 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: 376 - 17,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit