🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.93 AU - 0.99 AU

Year: 414 Days

Day: 37.4 Hours

Environment

Temp: -51 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1 AU - 1.5 AU

Year: 615 Days

Day: 39.4 Hours

Environment

Temp: -92 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.28 AU - 1.86 AU

Year: 865 Days

Day: 34.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.53 AU - 2.53 AU

Year: 1272 Days

Day: 47.1 Hours

Environment

Temp: -113 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.02 AU - 2.06 AU

Year: 1281 Days

Day: 38.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 9.6

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.86 AU - 5.48 AU

Year: 4438 Days

Day: 9.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 85,561,805 km

• M1: 177,124 km (0.099 R)
• M2: 330,611 km (0.1 R)
• M3: 507,436 km (0.103 R)
• M4: 591,959 km (0.072 R)
• M5: 658,829 km (0.068 R)
• M6: 851,212 km (0.062 R)
• M7: 994,227 km (0.118 R)
• M8: 1,159,832 km (0.103 R)
• M9: 1,275,322 km (0.106 R)
• M10: 1,349,522 km (0.101 R)
• M11: 1,661,434 km (0.071 R)
• M12: 1,809,386 km (0.104 R)
• M13: 2,297,225 km (0.092 R)
• M14: 2,575,028 km (0.075 R)
• M15: 2,746,916 km (0.12 R)
• M16: 2,903,096 km (0.065 R)
• M17: 3,022,027 km (0.076 R)
• M18: 3,183,293 km (0.088 R)
• M19: 3,285,468 km (0.033 R)
• M20: 3,662,754 km (0.078 R)
• M21: 3,878,325 km (0.033 R)
• M22: 3,987,681 km (0.094 R)
• M23: 4,619,133 km (0.096 R)
• M24: 5,041,598 km (0.066 R)
• M25: 5,161,127 km (0.101 R)
• M26: 5,305,788 km (0.115 R)
• M27: 5,873,063 km (0.085 R)
• M28: 6,382,144 km (0.027 R)
• M29: 6,589,786 km (0.069 R)
• M30: 6,694,355 km (0.087 R)
• M31: 7,064,909 km (0.102 R)
• M32: 7,360,814 km (0.045 R)
• M33: 7,909,389 km (0.11 R)
• M34: 7,992,715 km (0.072 R)
• M35: 8,329,310 km (0.11 R)
• M36: 8,900,625 km (0.111 R)
• M37: 9,074,607 km (0.106 R)
• M38: 9,366,921 km (0.118 R)
• M39: 9,781,307 km (0.099 R)
• M40: 10,566,995 km (0.059 R)
• M41: 10,628,330 km (0.061 R)
• M42: 10,781,967 km (0.033 R)
• M43: 11,216,250 km (0.081 R)
• M44: 11,310,197 km (0.109 R)
• M45: 11,624,802 km (0.058 R)
• M46: 11,846,655 km (0.107 R)
• M47: 13,739,218 km (0.093 R)
• M48: 13,873,258 km (0.119 R)
• M49: 13,973,937 km (0.078 R)
• M50: 14,210,003 km (0.071 R)
• M51: 14,788,797 km (0.107 R)
• M52: 14,960,535 km (0.104 R)
• M53: 15,167,429 km (0.096 R)
• M54: 15,969,423 km (0.1 R)
• M55: 16,357,929 km (0.107 R)
• M56: 16,535,501 km (0.086 R)
• M57: 16,749,426 km (0.107 R)
• M58: 17,906,117 km (0.057 R)
• M59: 18,272,782 km (0.07 R)
• M60: 18,790,390 km (0.098 R)
• M61: 18,901,990 km (0.118 R)
• M62: 19,651,176 km (0.055 R)
• M63: 19,953,663 km (0.095 R)
• M64: 20,372,088 km (0.068 R)
• M65: 20,716,463 km (0.114 R)
• M66: 20,870,249 km (0.08 R)
• M67: 22,270,635 km (0.034 R)
• M68: 23,340,709 km (0.098 R)
• M69: 24,427,537 km (0.113 R)
• M70: 24,630,541 km (0.085 R)
• M71: 24,711,923 km (0.109 R)
• M72: 26,358,397 km (0.093 R)
• M73: 26,525,049 km (0.091 R)
• M74: 26,733,738 km (0.107 R)
• M75: 27,026,950 km (0.097 R)
• M76: 27,236,985 km (0.1 R)
• M77: 27,321,209 km (0.087 R)
• M78: 27,447,619 km (0.084 R)
• M79: 27,997,690 km (0.116 R)
• M80: 28,125,148 km (0.111 R)
• M81: 28,295,390 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.9

Radius: 10

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.49 AU - 5.57 AU

Year: 5718 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 85,561,805 km

• M1: 188,344 km (0.111 R)
• M2: 288,574 km (0.118 R)
• M3: 358,436 km (0.116 R)
• M4: 436,078 km (0.093 R)
• M5: 600,336 km (0.118 R)
• M6: 760,256 km (0.109 R)
• M7: 907,311 km (0.045 R)
• M8: 1,153,549 km (0.084 R)
• M9: 1,404,874 km (0.09 R)
• M10: 1,470,547 km (0.095 R)
• M11: 1,832,724 km (0.115 R)
• M12: 2,089,583 km (0.069 R)
• M13: 2,577,272 km (0.115 R)
• M14: 2,699,494 km (0.104 R)
• M15: 3,208,126 km (0.116 R)
• M16: 3,362,063 km (0.103 R)
• M17: 3,451,223 km (0.088 R)
• M18: 3,541,131 km (0.078 R)
• M19: 3,609,049 km (0.117 R)
• M20: 3,746,230 km (0.113 R)
• M21: 4,025,978 km (0.09 R)
• M22: 4,288,522 km (0.09 R)
• M23: 4,409,696 km (0.081 R)
• M24: 4,605,819 km (0.071 R)
• M25: 4,931,045 km (0.105 R)
• M26: 5,109,066 km (0.074 R)
• M27: 5,315,362 km (0.091 R)
• M28: 5,896,699 km (0.058 R)
• M29: 6,415,056 km (0.085 R)
• M30: 6,693,906 km (0.086 R)
• M31: 6,863,102 km (0.038 R)
• M32: 7,263,276 km (0.081 R)
• M33: 7,700,550 km (0.034 R)
• M34: 7,877,973 km (0.086 R)
• M35: 8,236,709 km (0.103 R)
• M36: 8,784,836 km (0.04 R)
• M37: 9,502,457 km (0.081 R)
• M38: 10,206,315 km (0.03 R)
• M39: 10,336,166 km (0.076 R)
• M40: 11,495,400 km (0.033 R)
• M41: 12,176,070 km (0.114 R)
• M42: 12,521,491 km (0.112 R)
• M43: 13,612,359 km (0.09 R)
• M44: 14,441,281 km (0.096 R)
• M45: 15,064,506 km (0.077 R)
• M46: 15,138,407 km (0.072 R)
• M47: 15,323,609 km (0.081 R)
• M48: 15,696,557 km (0.097 R)
• M49: 16,110,045 km (0.05 R)
• M50: 17,683,067 km (0.118 R)
• M51: 18,152,654 km (0.12 R)
• M52: 18,626,431 km (0.11 R)
• M53: 18,864,740 km (0.117 R)
• M54: 18,984,269 km (0.107 R)
• M55: 19,747,517 km (0.047 R)
• M56: 21,594,752 km (0.083 R)
• M57: 21,678,227 km (0.061 R)
• M58: 21,761,703 km (0.103 R)
• M59: 22,138,690 km (0.117 R)
• M60: 22,264,801 km (0.038 R)
• M61: 23,069,338 km (0.078 R)
• M62: 23,154,609 km (0.11 R)
• M63: 23,582,459 km (0.118 R)
• M64: 24,359,021 km (0.09 R)
• M65: 24,619,770 km (0.108 R)
• M66: 24,706,986 km (0.099 R)
• M67: 25,275,757 km (0.114 R)
• M68: 25,672,042 km (0.111 R)
• M69: 26,918,192 km (0.098 R)
• M70: 27,052,830 km (0.115 R)
• M71: 27,322,854 km (0.097 R)
• M72: 27,458,240 km (0.052 R)
• M73: 28,594,735 km (0.107 R)
• M74: 29,422,610 km (0.028 R)
• M75: 30,025,489 km (0.108 R)
• M76: 30,165,214 km (0.056 R)
• M77: 30,538,760 km (0.107 R)
• M78: 30,866,828 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.8

Radius: 10.4

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.58 AU - 6.88 AU

Year: 6838 Days

Day: 10 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 85,561,805 km

• M1: 160,967 km (0.111 R)
• M2: 265,387 km (0.053 R)
• M3: 403,316 km (0.056 R)
• M4: 594,652 km (0.12 R)
• M5: 724,652 km (0.078 R)
• M6: 913,893 km (0.11 R)
• M7: 984,204 km (0.093 R)
• M8: 1,077,404 km (0.105 R)
• M9: 1,173,745 km (0.091 R)
• M10: 1,341,145 km (0.038 R)
• M11: 1,589,029 km (0.078 R)
• M12: 1,838,857 km (0.087 R)
• M13: 1,968,708 km (0.103 R)
• M14: 2,034,830 km (0.103 R)
• M15: 2,447,272 km (0.1 R)
• M16: 2,532,842 km (0.116 R)
• M17: 3,052,694 km (0.063 R)
• M18: 3,191,820 km (0.104 R)
• M19: 3,317,183 km (0.112 R)
• M20: 3,638,071 km (0.109 R)
• M21: 4,070,109 km (0.098 R)
• M22: 4,138,027 km (0.097 R)
• M23: 4,518,604 km (0.085 R)
• M24: 4,928,502 km (0.069 R)
• M25: 5,294,717 km (0.045 R)
• M26: 5,369,068 km (0.078 R)
• M27: 5,462,417 km (0.114 R)
• M28: 5,575,363 km (0.055 R)
• M29: 5,841,498 km (0.091 R)
• M30: 5,937,689 km (0.057 R)
• M31: 6,073,075 km (0.105 R)
• M32: 6,209,658 km (0.119 R)
• M33: 6,288,047 km (0.074 R)
• M34: 6,525,459 km (0.072 R)
• M35: 6,826,300 km (0.116 R)
• M36: 6,927,578 km (0.116 R)
• M37: 7,692,921 km (0.111 R)
• M38: 8,203,648 km (0.075 R)
• M39: 8,572,108 km (0.098 R)
• M40: 8,681,464 km (0.051 R)
• M41: 9,392,802 km (0.081 R)
• M42: 10,541,264 km (0.041 R)
• M43: 11,084,454 km (0.041 R)
• M44: 11,203,684 km (0.079 R)
• M45: 11,443,639 km (0.069 R)
• M46: 13,245,695 km (0.04 R)
• M47: 13,448,549 km (0.104 R)
• M48: 14,270,141 km (0.073 R)
• M49: 14,870,627 km (0.105 R)
• M50: 15,160,847 km (0.114 R)
• M51: 15,426,233 km (0.038 R)
• M52: 15,612,931 km (0.076 R)
• M53: 15,827,305 km (0.101 R)
• M54: 15,988,572 km (0.112 R)
• M55: 16,530,415 km (0.102 R)
• M56: 16,639,622 km (0.075 R)
• M57: 18,107,625 km (0.106 R)
• M58: 18,445,866 km (0.075 R)
• M59: 18,899,896 km (0.058 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.6

Radius: 13.3

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.54 AU - 8.66 AU

Year: 9213 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 85,561,805 km

• M1: 171,439 km (0.07 R)
• M2: 321,037 km (0.083 R)
• M3: 519,703 km (0.115 R)
• M4: 752,178 km (0.108 R)
• M5: 1,303,895 km (0.117 R)
• M6: 1,904,830 km (0.047 R)
• M7: 2,386,385 km (0.104 R)
• M8: 2,540,471 km (0.109 R)
• M9: 2,789,551 km (0.11 R)
• M10: 3,166,389 km (0.11 R)
• M11: 4,099,730 km (0.109 R)
• M12: 4,339,236 km (0.085 R)
• M13: 4,501,550 km (0.084 R)
• M14: 5,142,277 km (0.09 R)
• M15: 6,416,402 km (0.063 R)
• M16: 6,820,317 km (0.1 R)
• M17: 7,136,716 km (0.11 R)
• M18: 7,915,672 km (0.11 R)
• M19: 8,214,868 km (0.047 R)
• M20: 8,382,717 km (0.085 R)
• M21: 8,619,530 km (0.113 R)
• M22: 8,755,814 km (0.107 R)
• M23: 9,204,009 km (0.118 R)
• M24: 9,343,434 km (0.06 R)
• M25: 9,483,607 km (0.036 R)
• M26: 10,122,839 km (0.064 R)
• M27: 10,702,680 km (0.043 R)
• M28: 10,923,038 km (0.094 R)
• M29: 11,107,791 km (0.053 R)
• M30: 11,894,975 km (0.111 R)
• M31: 12,123,262 km (0.049 R)
• M32: 13,246,891 km (0.039 R)
• M33: 14,525,205 km (0.118 R)
• M34: 14,769,199 km (0.069 R)
• M35: 15,137,809 km (0.096 R)
• M36: 15,261,376 km (0.113 R)
• M37: 15,842,564 km (0.069 R)
• M38: 16,051,852 km (0.089 R)
• M39: 16,642,763 km (0.046 R)
• M40: 17,154,986 km (0.062 R)
• M41: 18,458,283 km (0.11 R)
• M42: 18,546,246 km (0.062 R)
• M43: 19,166,330 km (0.04 R)
• M44: 19,883,352 km (0.088 R)
• M45: 19,973,560 km (0.039 R)
• M46: 20,063,917 km (0.098 R)
• M47: 20,245,080 km (0.118 R)
• M48: 20,563,424 km (0.097 R)
• M49: 21,159,123 km (0.091 R)
• M50: 21,251,275 km (0.06 R)
• M51: 21,574,855 km (0.107 R)
• M52: 21,713,981 km (0.105 R)
• M53: 21,946,606 km (0.038 R)
• M54: 22,273,627 km (0.041 R)
• M55: 23,216,991 km (0.098 R)
• M56: 23,312,135 km (0.071 R)
• M57: 23,407,280 km (0.083 R)
• M58: 23,837,224 km (0.101 R)
• M59: 23,981,137 km (0.044 R)
• M60: 24,173,520 km (0.028 R)
• M61: 24,462,842 km (0.09 R)
• M62: 24,850,600 km (0.102 R)
• M63: 25,093,996 km (0.087 R)
• M64: 26,075,358 km (0.116 R)
• M65: 26,969,355 km (0.069 R)
• M66: 28,940,606 km (0.069 R)
• M67: 29,917,779 km (0.107 R)
• M68: 30,124,822 km (0.093 R)
• M69: 30,801,154 km (0.082 R)
• M70: 31,272,388 km (0.115 R)
• M71: 32,434,165 km (0.115 R)
• M72: 33,556,298 km (0.095 R)
• M73: 34,203,309 km (0.097 R)
• M74: 34,365,623 km (0.119 R)
• M75: 34,963,266 km (0.069 R)
• M76: 35,564,351 km (0.109 R)
• M77: 35,838,713 km (0.102 R)
• M78: 36,003,570 km (0.077 R)
• M79: 36,334,331 km (0.069 R)
• M80: 37,165,347 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.4

Radius: 5

Gravity: 24.42 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.43 AU - 17.35 AU

Year: 25264 Days

Day: 21.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 85,561,805 km

• M1: 83,775 km (0.084 R)
• M2: 798,105 km (0.095 R)
• M3: 851,361 km (0.083 R)
• M4: 1,818,362 km (0.079 R)
• M5: 2,256,235 km (0.077 R)
• M6: 3,054,789 km (0.071 R)
• M7: 5,330,172 km (0.102 R)
• M8: 6,428,968 km (0.12 R)
• M9: 6,920,697 km (0.081 R)
• M10: 6,976,198 km (0.059 R)
• M11: 7,199,098 km (0.079 R)
• M12: 7,595,084 km (0.069 R)
• M13: 8,764,790 km (0.116 R)
• M14: 9,309,176 km (0.082 R)
• M15: 9,616,450 km (0.057 R)
• M16: 9,678,234 km (0.076 R)
• M17: 10,430,562 km (0.086 R)
• M18: 10,813,832 km (0.036 R)
• M19: 11,266,664 km (0.072 R)
• M20: 11,528,311 km (0.064 R)
• M21: 11,858,025 km (0.064 R)
• M22: 12,324,920 km (0.103 R)
• M23: 13,483,705 km (0.076 R)
• M24: 14,251,890 km (0.077 R)
• M25: 14,890,972 km (0.103 R)
• M26: 15,034,137 km (0.038 R)
• M27: 15,177,901 km (0.039 R)
• M28: 15,757,443 km (0.104 R)
• M29: 17,614,401 km (0.057 R)
• M30: 17,917,935 km (0.037 R)
• M31: 18,530,090 km (0.078 R)
• M32: 19,226,917 km (0.075 R)
• M33: 20,407,394 km (0.117 R)
• M34: 20,646,152 km (0.091 R)
• M35: 20,886,107 km (0.07 R)
• M36: 21,935,835 km (0.114 R)
• M37: 23,500,778 km (0.102 R)
• M38: 23,584,254 km (0.059 R)
• M39: 24,423,199 km (0.115 R)
• M40: 27,085,592 km (0.076 R)
• M41: 27,173,107 km (0.103 R)
• M42: 27,523,615 km (0.057 R)
• M43: 28,495,402 km (0.074 R)
• M44: 28,762,435 km (0.093 R)
• M45: 29,119,674 km (0.026 R)
• M46: 29,209,134 km (0.107 R)
• M47: 29,388,502 km (0.084 R)
• M48: 31,661,342 km (0.082 R)
• M49: 32,400,505 km (0.115 R)
• M50: 32,586,156 km (0.105 R)
• M51: 34,273,022 km (0.115 R)
• M52: 34,651,804 km (0.096 R)
• M53: 34,936,638 km (0.117 R)
• M54: 35,317,813 km (0.1 R)
• M55: 36,662,698 km (0.05 R)
• M56: 36,953,068 km (0.086 R)
• M57: 38,024,188 km (0.074 R)
• M58: 38,416,135 km (0.095 R)
• M59: 39,798,868 km (0.096 R)
• M60: 40,196,798 km (0.111 R)
• M61: 40,596,225 km (0.066 R)
• M62: 41,802,133 km (0.113 R)
• M63: 42,510,928 km (0.112 R)
• M64: 43,019,710 km (0.113 R)
• M65: 43,121,736 km (0.087 R)
• M66: 44,454,952 km (0.061 R)
• M67: 46,323,280 km (0.046 R)
• M68: 46,427,849 km (0.089 R)
• M69: 46,742,004 km (0.09 R)
• M70: 47,477,577 km (0.119 R)
• M71: 48,005,508 km (0.111 R)
• M72: 48,429,019 km (0.079 R)
• M73: 49,386,895 km (0.083 R)
• M74: 49,707,483 km (0.067 R)
• M75: 55,373,801 km (0.113 R)
• M76: 55,706,956 km (0.12 R)
• M77: 56,375,060 km (0.086 R)
• M78: 59,528,134 km (0.041 R)
• M79: 61,700,146 km (0.076 R)
• M80: 62,160,758 km (0.028 R)
• M81: 63,201,061 km (0.098 R)
• M82: 63,317,149 km (0.049 R)
• M83: 64,714,094 km (0.089 R)
• M84: 66,474,562 km (0.077 R)
• M85: 66,710,478 km (0.036 R)
• M86: 68,607,977 km (0.03 R)
• M87: 70,643,256 km (0.03 R)
• M88: 72,941,379 km (0.114 R)
• M89: 73,428,320 km (0.109 R)
• M90: 73,794,236 km (0.109 R)
• M91: 74,527,864 km (0.105 R)
• M92: 75,632,943 km (0.111 R)
• M93: 82,249,059 km (0.05 R)
• M94: 84,410,150 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 16,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit