🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.9

Radius: 12.4

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.47 AU - 0.67 AU

Year: 287 Days

Day: 7.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,209,119 km

• M1: 158,723 km (0.028 R)
• M2: 246,836 km (0.088 R)
• M3: 325,375 km (0.025 R)
• M4: 406,906 km (0.117 R)
• M5: 505,940 km (0.102 R)
• M6: 618,288 km (0.067 R)
• M7: 700,866 km (0.067 R)
• M8: 806,781 km (0.071 R)
• M9: 905,516 km (0.104 R)
• M10: 984,204 km (0.092 R)
• M11: 1,076,207 km (0.1 R)
• M12: 1,171,351 km (0.1 R)
• M13: 1,288,935 km (0.106 R)
• M14: 1,426,715 km (0.097 R)
• M15: 1,507,647 km (0.072 R)
• M16: 1,594,564 km (0.116 R)
• M17: 1,708,856 km (0.1 R)
• M18: 1,817,165 km (0.104 R)
• M19: 1,928,017 km (0.09 R)
• M20: 2,041,113 km (0.101 R)
• M21: 2,128,778 km (0.104 R)
• M22: 2,222,276 km (0.09 R)
• M23: 2,336,420 km (0.105 R)
• M24: 2,413,762 km (0.109 R)
• M25: 2,595,673 km (0.086 R)
• M26: 2,721,335 km (0.083 R)
• M27: 2,937,055 km (0.085 R)
• M28: 3,026,066 km (0.117 R)
• M29: 3,121,210 km (0.118 R)
• M30: 3,201,245 km (0.072 R)
• M31: 3,287,563 km (0.07 R)
• M32: 3,478,898 km (0.058 R)
• M33: 3,584,515 km (0.113 R)
• M34: 3,907,347 km (0.092 R)
• M35: 4,005,633 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.7

Radius: 9.1

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.59 AU - 0.85 AU

Year: 407 Days

Day: 11.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 69,209,119 km

• M1: 113,395 km (0.115 R)
• M2: 194,477 km (0.098 R)
• M3: 287,378 km (0.119 R)
• M4: 358,885 km (0.118 R)
• M5: 417,827 km (0.097 R)
• M6: 491,579 km (0.035 R)
• M7: 566,527 km (0.111 R)
• M8: 683,213 km (0.096 R)
• M9: 755,469 km (0.047 R)
• M10: 885,470 km (0.105 R)
• M11: 1,008,439 km (0.052 R)
• M12: 1,087,128 km (0.088 R)
• M13: 1,162,824 km (0.118 R)
• M14: 1,272,031 km (0.068 R)
• M15: 1,384,678 km (0.053 R)
• M16: 1,461,721 km (0.108 R)
• M17: 1,614,610 km (0.045 R)
• M18: 1,778,719 km (0.08 R)
• M19: 1,844,691 km (0.078 R)
• M20: 2,041,562 km (0.109 R)
• M21: 2,148,973 km (0.056 R)
• M22: 2,245,314 km (0.07 R)
• M23: 2,330,136 km (0.091 R)
• M24: 2,469,262 km (0.066 R)
• M25: 2,550,045 km (0.071 R)
• M26: 2,938,701 km (0.092 R)
• M27: 3,111,037 km (0.108 R)
• M28: 3,191,222 km (0.103 R)
• M29: 3,272,005 km (0.063 R)
• M30: 3,346,205 km (0.096 R)
• M31: 3,579,428 km (0.102 R)
• M32: 3,663,502 km (0.059 R)
• M33: 3,794,849 km (0.086 R)
• M34: 3,872,790 km (0.077 R)
• M35: 3,935,471 km (0.119 R)
• M36: 4,062,031 km (0.11 R)
• M37: 4,474,323 km (0.087 R)
• M38: 4,532,067 km (0.106 R)
• M39: 4,648,006 km (0.045 R)
• M40: 4,748,386 km (0.11 R)
• M41: 4,824,083 km (0.11 R)
• M42: 4,891,701 km (0.087 R)
• M43: 5,002,254 km (0.027 R)
• M44: 5,444,016 km (0.114 R)
• M45: 5,540,956 km (0.039 R)
• M46: 5,665,122 km (0.112 R)
• M47: 5,871,268 km (0.113 R)
• M48: 5,979,876 km (0.111 R)
• M49: 6,235,688 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.7

Radius: 9.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.66 AU - 5.02 AU

Year: 6029 Days

Day: 10 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 69,209,119 km

• M1: 258,206 km (0.115 R)
• M2: 354,846 km (0.028 R)
• M3: 495,618 km (0.116 R)
• M4: 584,030 km (0.047 R)
• M5: 656,884 km (0.097 R)
• M6: 1,032,824 km (0.084 R)
• M7: 1,176,587 km (0.036 R)
• M8: 1,299,407 km (0.083 R)
• M9: 1,369,569 km (0.059 R)
• M10: 1,455,587 km (0.119 R)
• M11: 1,602,941 km (0.107 R)
• M12: 1,755,381 km (0.11 R)
• M13: 1,944,922 km (0.075 R)
• M14: 2,309,791 km (0.117 R)
• M15: 2,570,839 km (0.078 R)
• M16: 2,732,256 km (0.115 R)
• M17: 2,860,162 km (0.066 R)
• M18: 2,934,063 km (0.086 R)
• M19: 3,236,400 km (0.084 R)
• M20: 3,588,703 km (0.09 R)
• M21: 3,850,799 km (0.108 R)
• M22: 4,161,065 km (0.099 R)
• M23: 4,415,232 km (0.091 R)
• M24: 4,501,101 km (0.095 R)
• M25: 4,565,727 km (0.036 R)
• M26: 5,117,594 km (0.11 R)
• M27: 5,298,607 km (0.102 R)
• M28: 5,737,078 km (0.112 R)
• M29: 6,235,389 km (0.097 R)
• M30: 6,477,588 km (0.096 R)
• M31: 6,846,795 km (0.069 R)
• M32: 6,921,445 km (0.115 R)
• M33: 7,528,513 km (0.093 R)
• M34: 7,942,749 km (0.064 R)
• M35: 8,578,092 km (0.075 R)
• M36: 9,339,844 km (0.071 R)
• M37: 9,645,024 km (0.057 R)
• M38: 9,925,370 km (0.069 R)
• M39: 10,151,562 km (0.103 R)
• M40: 10,350,826 km (0.044 R)
• M41: 10,493,991 km (0.086 R)
• M42: 10,985,720 km (0.079 R)
• M43: 12,505,784 km (0.09 R)
• M44: 12,719,559 km (0.057 R)
• M45: 12,842,229 km (0.114 R)
• M46: 13,430,298 km (0.101 R)
• M47: 13,555,362 km (0.104 R)
• M48: 14,249,496 km (0.083 R)
• M49: 14,504,710 km (0.064 R)
• M50: 14,793,733 km (0.101 R)
• M51: 14,890,523 km (0.087 R)
• M52: 15,705,084 km (0.087 R)
• M53: 15,836,730 km (0.088 R)
• M54: 16,234,062 km (0.107 R)
• M55: 16,300,483 km (0.079 R)
• M56: 17,343,330 km (0.087 R)
• M57: 18,720,528 km (0.103 R)
• M58: 19,246,065 km (0.073 R)
• M59: 20,779,294 km (0.113 R)
• M60: 20,887,603 km (0.117 R)
• M61: 21,177,673 km (0.037 R)
• M62: 21,250,527 km (0.119 R)
• M63: 21,359,734 km (0.1 R)
• M64: 21,505,741 km (0.115 R)
• M65: 21,688,550 km (0.099 R)
• M66: 22,240,416 km (0.076 R)
• M67: 22,314,318 km (0.11 R)
• M68: 22,573,720 km (0.043 R)
• M69: 22,871,420 km (0.099 R)
• M70: 23,508,408 km (0.11 R)
• M71: 23,734,600 km (0.117 R)
• M72: 24,189,078 km (0.105 R)
• M73: 24,379,367 km (0.036 R)
• M74: 24,531,807 km (0.055 R)
• M75: 24,761,290 km (0.087 R)
• M76: 25,068,265 km (0.048 R)
• M77: 25,337,990 km (0.058 R)
• M78: 25,492,524 km (0.109 R)
• M79: 25,880,282 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609

Radius: 4.8

Gravity: 26.43 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.98 AU - 7.18 AU

Year: 9997 Days

Day: 20.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 69,209,119 km

• M1: 75,996 km (0.097 R)
• M2: 144,212 km (0.105 R)
• M3: 189,840 km (0.083 R)
• M4: 360,980 km (0.081 R)
• M5: 470,037 km (0.093 R)
• M6: 513,719 km (0.049 R)
• M7: 948,899 km (0.068 R)
• M8: 1,364,931 km (0.114 R)
• M9: 1,471,594 km (0.115 R)
• M10: 1,738,776 km (0.086 R)
• M11: 1,854,565 km (0.119 R)
• M12: 2,069,238 km (0.11 R)
• M13: 2,680,046 km (0.119 R)
• M14: 2,922,694 km (0.073 R)
• M15: 3,032,798 km (0.072 R)
• M16: 3,200,497 km (0.063 R)
• M17: 3,257,045 km (0.098 R)
• M18: 4,615,693 km (0.109 R)
• M19: 5,136,144 km (0.099 R)
• M20: 5,403,325 km (0.049 R)
• M21: 5,436,985 km (0.059 R)
• M22: 5,640,737 km (0.113 R)
• M23: 5,674,995 km (0.066 R)
• M24: 6,090,877 km (0.082 R)
• M25: 6,624,343 km (0.11 R)
• M26: 6,915,012 km (0.111 R)
• M27: 7,584,163 km (0.099 R)
• M28: 7,926,443 km (0.09 R)
• M29: 8,234,914 km (0.115 R)
• M30: 8,351,600 km (0.086 R)
• M31: 8,390,645 km (0.078 R)
• M32: 8,863,674 km (0.09 R)
• M33: 9,023,145 km (0.098 R)
• M34: 9,143,571 km (0.105 R)
• M35: 9,264,297 km (0.066 R)
• M36: 10,125,083 km (0.108 R)
• M37: 10,250,147 km (0.107 R)
• M38: 11,615,377 km (0.095 R)
• M39: 11,658,910 km (0.052 R)
• M40: 11,877,622 km (0.089 R)
• M41: 12,408,096 km (0.05 R)
• M42: 12,497,257 km (0.086 R)
• M43: 13,583,636 km (0.084 R)
• M44: 14,045,146 km (0.117 R)
• M45: 15,556,383 km (0.109 R)
• M46: 16,233,613 km (0.087 R)
• M47: 16,428,838 km (0.114 R)
• M48: 17,566,530 km (0.069 R)
• M49: 17,716,876 km (0.114 R)
• M50: 18,170,157 km (0.068 R)
• M51: 18,423,726 km (0.104 R)
• M52: 18,576,465 km (0.118 R)
• M53: 18,678,491 km (0.073 R)
• M54: 19,294,535 km (0.114 R)
• M55: 19,449,518 km (0.112 R)
• M56: 19,553,190 km (0.071 R)
• M57: 19,708,921 km (0.118 R)
• M58: 20,916,475 km (0.101 R)
• M59: 20,969,582 km (0.097 R)
• M60: 21,182,161 km (0.078 R)
• M61: 21,342,081 km (0.073 R)
• M62: 21,716,973 km (0.12 R)
• M63: 22,256,124 km (0.12 R)
• M64: 22,690,556 km (0.095 R)
• M65: 22,963,572 km (0.116 R)
• M66: 23,073,078 km (0.11 R)
• M67: 23,127,831 km (0.066 R)
• M68: 23,347,590 km (0.052 R)
• M69: 24,344,809 km (0.057 R)
• M70: 24,680,208 km (0.051 R)
• M71: 26,151,503 km (0.112 R)
• M72: 26,840,252 km (0.111 R)
• M73: 28,235,252 km (0.077 R)
• M74: 28,411,328 km (0.11 R)
• M75: 28,469,971 km (0.112 R)
• M76: 29,594,199 km (0.071 R)
• M77: 30,131,704 km (0.117 R)
• M78: 31,580,709 km (0.109 R)
• M79: 31,763,517 km (0.054 R)
• M80: 31,946,625 km (0.115 R)
• M81: 33,299,888 km (0.095 R)
• M82: 33,485,838 km (0.032 R)
• M83: 33,547,921 km (0.079 R)
• M84: 34,483,656 km (0.083 R)
• M85: 34,860,343 km (0.067 R)
• M86: 35,681,037 km (0.119 R)
• M87: 37,534,854 km (0.096 R)
• M88: 38,376,043 km (0.1 R)
• M89: 39,485,311 km (0.112 R)
• M90: 40,142,793 km (0.086 R)
• M91: 40,406,834 km (0.03 R)
• M92: 40,737,595 km (0.096 R)
• M93: 42,002,893 km (0.079 R)
• M94: 43,213,290 km (0.099 R)
• M95: 43,416,294 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.7

Radius: 7.2

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.98 AU - 6.22 AU

Year: 10047 Days

Day: 21.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 69,209,119 km

• M1: 106,813 km (0.063 R)
• M2: 171,888 km (0.092 R)
• M3: 364,570 km (0.057 R)
• M4: 432,188 km (0.119 R)
• M5: 504,594 km (0.068 R)
• M6: 852,109 km (0.058 R)
• M7: 1,992,943 km (0.082 R)
• M8: 2,246,511 km (0.109 R)
• M9: 2,510,551 km (0.089 R)
• M10: 2,877,814 km (0.052 R)
• M11: 3,116,124 km (0.108 R)
• M12: 3,535,746 km (0.085 R)
• M13: 3,790,960 km (0.08 R)
• M14: 4,052,158 km (0.043 R)
• M15: 4,455,025 km (0.056 R)
• M16: 4,675,083 km (0.107 R)
• M17: 4,730,584 km (0.102 R)
• M18: 4,955,130 km (0.114 R)
• M19: 5,125,971 km (0.065 R)
• M20: 5,502,509 km (0.114 R)
• M21: 6,038,518 km (0.1 R)
• M22: 6,343,548 km (0.107 R)
• M23: 6,653,664 km (0.053 R)
• M24: 7,450,423 km (0.101 R)
• M25: 7,548,110 km (0.093 R)
• M26: 7,711,770 km (0.086 R)
• M27: 7,843,566 km (0.102 R)
• M28: 8,209,782 km (0.106 R)
• M29: 8,344,420 km (0.076 R)
• M30: 8,855,596 km (0.119 R)
• M31: 9,306,932 km (0.038 R)
• M32: 9,765,749 km (0.117 R)
• M33: 10,051,631 km (0.106 R)
• M34: 10,376,707 km (0.115 R)
• M35: 10,449,411 km (0.079 R)
• M36: 10,815,477 km (0.078 R)
• M37: 11,222,982 km (0.068 R)
• M38: 11,372,430 km (0.115 R)
• M39: 11,635,573 km (0.08 R)
• M40: 12,091,248 km (0.115 R)
• M41: 12,863,771 km (0.106 R)
• M42: 13,098,640 km (0.12 R)
• M43: 14,173,052 km (0.104 R)
• M44: 14,456,091 km (0.047 R)
• M45: 15,358,166 km (0.084 R)
• M46: 16,278,343 km (0.072 R)
• M47: 16,659,967 km (0.058 R)
• M48: 17,044,433 km (0.093 R)
• M49: 17,173,237 km (0.078 R)
• M50: 17,302,340 km (0.059 R)
• M51: 17,561,593 km (0.115 R)
• M52: 19,144,189 km (0.077 R)
• M53: 20,817,591 km (0.106 R)
• M54: 21,462,807 km (0.064 R)
• M55: 21,927,757 km (0.108 R)
• M56: 22,067,930 km (0.03 R)
• M57: 22,302,200 km (0.06 R)
• M58: 22,443,121 km (0.107 R)
• M59: 23,199,787 km (0.098 R)
• M60: 24,543,924 km (0.029 R)
• M61: 25,078,886 km (0.115 R)
• M62: 25,765,241 km (0.099 R)
• M63: 26,110,812 km (0.11 R)
• M64: 26,507,546 km (0.072 R)
• M65: 26,806,442 km (0.067 R)
• M66: 26,906,374 km (0.096 R)
• M67: 27,156,501 km (0.115 R)
• M68: 27,558,471 km (0.099 R)
• M69: 27,608,885 km (0.087 R)
• M70: 29,288,870 km (0.105 R)
• M71: 30,427,010 km (0.119 R)
• M72: 30,896,897 km (0.075 R)
• M73: 31,053,975 km (0.111 R)
• M74: 31,106,334 km (0.096 R)
• M75: 31,843,702 km (0.036 R)
• M76: 31,896,510 km (0.107 R)
• M77: 32,214,405 km (0.064 R)
• M78: 32,906,744 km (0.059 R)
• M79: 33,442,754 km (0.071 R)
• M80: 33,711,731 km (0.055 R)
• M81: 34,143,769 km (0.102 R)
• M82: 35,999,980 km (0.057 R)
• M83: 36,055,032 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.6

Radius: 5.4

Gravity: 20.29 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.71 AU - 10.73 AU

Year: 18669 Days

Day: 24.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 69,209,119 km

• M1: 220,358 km (0.107 R)
• M2: 324,179 km (0.106 R)
• M3: 579,393 km (0.11 R)
• M4: 983,456 km (0.115 R)
• M5: 1,134,550 km (0.069 R)
• M6: 2,286,454 km (0.097 R)
• M7: 2,589,689 km (0.117 R)
• M8: 2,905,490 km (0.086 R)
• M9: 3,383,006 km (0.05 R)
• M10: 4,286,428 km (0.078 R)
• M11: 4,327,268 km (0.049 R)
• M12: 4,828,271 km (0.08 R)
• M13: 5,042,346 km (0.109 R)
• M14: 5,524,350 km (0.049 R)
• M15: 7,056,382 km (0.051 R)
• M16: 8,247,480 km (0.116 R)
• M17: 8,451,980 km (0.074 R)
• M18: 9,022,846 km (0.089 R)
• M19: 10,366,235 km (0.082 R)
• M20: 11,428,380 km (0.086 R)
• M21: 12,524,633 km (0.119 R)
• M22: 13,234,026 km (0.06 R)
• M23: 13,593,659 km (0.094 R)
• M24: 13,653,947 km (0.055 R)
• M25: 13,714,235 km (0.096 R)
• M26: 13,835,260 km (0.08 R)
• M27: 14,139,093 km (0.113 R)
• M28: 14,877,508 km (0.099 R)
• M29: 15,251,353 km (0.096 R)
• M30: 15,881,460 km (0.086 R)
• M31: 16,519,943 km (0.054 R)
• M32: 16,777,700 km (0.068 R)
• M33: 17,297,104 km (0.119 R)
• M34: 17,755,921 km (0.088 R)
• M35: 18,618,801 km (0.119 R)
• M36: 18,752,691 km (0.105 R)
• M37: 19,904,146 km (0.082 R)
• M38: 19,972,513 km (0.062 R)
• M39: 20,178,359 km (0.049 R)
• M40: 20,315,989 km (0.111 R)
• M41: 20,869,501 km (0.116 R)
• M42: 21,008,627 km (0.092 R)
• M43: 21,849,966 km (0.09 R)
• M44: 22,274,674 km (0.116 R)
• M45: 22,845,390 km (0.118 R)
• M46: 23,060,512 km (0.088 R)
• M47: 23,782,920 km (0.106 R)
• M48: 25,175,526 km (0.115 R)
• M49: 25,769,729 km (0.083 R)
• M50: 26,820,804 km (0.055 R)
• M51: 27,199,586 km (0.112 R)
• M52: 28,192,616 km (0.04 R)
• M53: 28,346,553 km (0.09 R)
• M54: 28,500,638 km (0.092 R)
• M55: 28,577,681 km (0.115 R)
• M56: 28,809,708 km (0.109 R)
• M57: 31,242,319 km (0.055 R)
• M58: 31,720,583 km (0.106 R)
• M59: 32,684,592 km (0.053 R)
• M60: 34,723,760 km (0.059 R)
• M61: 34,806,189 km (0.093 R)
• M62: 36,300,821 km (0.096 R)
• M63: 38,581,740 km (0.111 R)
• M64: 38,923,571 km (0.043 R)
• M65: 40,821,519 km (0.081 R)
• M66: 41,257,148 km (0.077 R)
• M67: 42,308,821 km (0.079 R)
• M68: 44,259,577 km (0.095 R)
• M69: 44,886,392 km (0.078 R)
• M70: 45,155,968 km (0.08 R)
• M71: 46,966,551 km (0.055 R)
• M72: 47,789,040 km (0.07 R)
• M73: 48,432,161 km (0.053 R)
• M74: 48,616,316 km (0.09 R)
• M75: 53,868,996 km (0.115 R)
• M76: 54,442,405 km (0.071 R)
• M77: 56,368,178 km (0.095 R)
• M78: 57,047,502 km (0.068 R)
• M79: 57,242,129 km (0.073 R)
• M80: 59,594,257 km (0.101 R)
• M81: 59,791,726 km (0.084 R)
• M82: 59,890,460 km (0.104 R)
• M83: 60,682,880 km (0.114 R)
• M84: 61,578,373 km (0.088 R)
• M85: 62,077,731 km (0.108 R)
• M86: 63,181,165 km (0.095 R)
• M87: 63,584,032 km (0.076 R)
• M88: 66,735,012 km (0.101 R)
• M89: 67,145,209 km (0.049 R)
• M90: 67,247,983 km (0.113 R)
• M91: 67,350,757 km (0.082 R)
• M92: 67,762,300 km (0.076 R)
• M93: 67,865,224 km (0.042 R)
• M94: 68,587,781 km (0.039 R)
• M95: 69,105,390 km (0.045 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 17,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit