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solar system top 50
solar system top 45
Designation Best[a]
diameter
km
Measured per
measured
Per Brown[1] Diameter
per assumed albedo
Result
per Tancredi[2]
Category
Mass[b]
(1018 kg)
H

[3][4]

Diameter
(km)
Geometric
albedo[c]
(%)
H
Diameter[d]
(km)
Geometric
albedo

(%)
Small
albedo=100%
(km)
Large
albedo=4%
(km)
134340 Pluto 2376 13030 −0.76 2376±3.2 63 −0.7 2329 64 1886 9430 accepted (measured) 2:3 resonant
136199 Eris 2326 16600 −1.1 2326±12 90 −1.1 2330 99 2206 11028 accepted (measured) SDO
136108 Haumea 1632 4006 0.2 1632±51 55 0.4 1252 80 1212 6060 accepted cubewano
136472 Makemake 1430 −0.2 1430±14 104 0.1 1426 81 1457 7286 accepted cubewano
(225088) 2007 OR10 1230 1750 1.6 1230±50 27 2 1290 19 636 3180 SDO
50000 Quaoar 1110 1400 2.82 1110±5 11 2.7 1092 13 363 1813 accepted (and recommended) cubewano
90377 Sedna 995 1.83 995±80 33 1.8 1041 32 572 2861 accepted (and recommended) detached
1 Ceres 946 939 3.36 946±2 9 283 1414 asteroid belt
(307261) 2002 MS4 934 3.6 934±47 7 4 960 5 253 1266 3:5 resonant
90482 Orcus 917 641 2.31 917±25 25 2.3 983 23 459 2293 accepted (and recommended) 2:3 resonant
120347 Salacia 854 438 4.25 854±45 5 4.2 921 4 188 939 possible cubewano
2018 VG18 844 3.6 253 1266 SDO
(55565) 2002 AW197 768 3.3 768+39
−38
14 3.8 693 12 291 1454 accepted cubewano
(532037) 2013 FY27 740 3.15 740+90
−85
18 3.5 721 14 312 1558 SDO
(208996) 2003 AZ84 727 3.74 727+62
−67
11 3.7 747 11 237 1187 accepted 2:3 resonant
174567 Varda 717 266 3.61 717±5 12 3.7 689 13 252 1260 possible cubewano
(90568) 2004 GV9 680 4.25 680±34 8 4.2 703 8 188 939 accepted 3:5 resonant
(145452) 2005 RN43 679 3.89 679+55
−73
11 3.9 697 11 222 1108 possible cubewano
20000 Varuna 668 3.76 668+154
−86
12 4.1 698 9 235 1176 accepted cubewano
(55637) 2002 UX25 665 125 3.87 665±29 11 3.9 704 11 224 1118 3:5 resonant
2014 UZ224 635 3.4 635+65
−72
19 4 643 11 278 1388 SDO
229762 G!kunll'homdima 632 136 3.7 632+34
−34
15 3.7 612 17 242 1209 SDO
28978 Ixion 617 3.83 617+19
−20
14 3.8 674 12 228 1139 accepted 2:3 resonant
(523794) 2015 RR245 615 3.8 4.2 615 10 231 1155 SDO
2010 RF43 615 3.9 4.2 615 10 221 1103 SDO
(523692) 2014 EZ51 615 3.8 4.2 615 10 231 1155 detached
19521 Chaos 600 4.8 600+140
−130
6 5 612 5 146 729 cubewano
2015 KH162 587 4.1 4.4 587 10 201 1006 detached
(84522) 2002 TC302 584 3.9 584+106
−88
14 4.2 591 12 221 1103 2:5 resonant
(78799) 2002 XW93 584 5.5 5.4 584 4 106 528 SDO
2010 JO179 574 4 4.5 574 9 211 1053 SDO
2010 KZ39 574 4 4.5 574 9 211 1053 detached
(523759) 2014 WK509 574 4.4 4.5 574 9 175 876 detached
2012 VP113 574 4 4.5 574 9 211 1053 detached
(523671) 2013 FZ27 561 4.4 4.6 561 9 175 876 1:2 resonant
(523639) 2010 RE64 561 4.4 4.6 561 9 175 876 SDO
2014 AN55 561 4.1 4.6 561 9 201 1006 SDO
2004 XR190 561 4.3 4.6 561 9 183 917 detached
(42301) 2001 UR163 561 4.1 4.6 561 9 201 1006 possible SDO
2002 XV93 549 5.42 549+22
−23
4 5.4 564 4 110 548 2:3 resonant
2010 FX86 549 4.7 4.6 549 9 153 763 cubewano
(528381) 2008 ST291 549 4.4 4.6 549 9 175 876 detached
2006 QH181 536 4.3 4.7 536 8 183 917 SDO
(455502) 2003 UZ413 536 4.3 4.7 536 8 183 917 2:3 resonant
2014 YA50 536 4.6 4.7 536 8 160 799 cubewano
2017 OF69 533 4.6 160 799 2:3 resonant
2015 BP519 524 4.5 4.8 524 8 167 837 SDO
(482824) 2013 XC26 524 4.4 4.8 524 8 175 876 3:5 resonant
(470443) 2007 XV50 524 4.4 4.8 524 8 175 876 cubewano
(145451) 2005 RM43 524 4.4 4.8 524 8 175 876 possible SDO
(84922) 2003 VS2 523 4.1 523+35
−34
15 4.1 537 15 201 1006 not accepted 2:3 resonant
(82075) 2000 YW134 513 4.5 4.9 513 8 167 837 detached
(470308) 2007 JH43 513 4.5 4.9 513 8 167 837 2:3 resonant
(278361) 2007 JJ43 513 4.5 4.9 513 8 167 837 cubewano
(523681) 2014 BV64 513 4.7 4.9 513 8 153 763 cubewano
2014 HA200 513 4.7 4.9 513 8 153 763 SDO
2014 FC72 513 4.7 4.9 513 8 153 763 detached
2015 BZ518 513 4.7 4.9 513 8 153 763 cubewano
2014 WP509 513 4.5 4.9 513 8 167 837 cubewano
(120348) 2004 TY364 512 4.52 512+37
−40
10 4.7 536 8 166 829 not accepted 2:3 resonant
(472271) 2010 TQ182 509 4.7 153 763 cubewano
(523645) 2010 VK201 501 5 5 501 7 133 665 cubewano
2013 AT183 501 4.6 5 501 7 160 799 SDO
(523742) 2014 TZ85 501 4.8 5 501 7 146 729 4:7 resonant
2014 FC69 501 4.6 5 501 7 160 799 detached
(499514) 2010 OO127 501 4.6 5 501 7 160 799 3:5 resonant
(202421) 2005 UQ513 498 3.6 498+63
−75
26 4 643 11 253 1266 cubewano
(315530) 2008 AP129 490 4.7 5.1 490 7 153 763 cubewano
(470599) 2008 OG19 490 4.7 5.1 490 7 153 763 SDO
(523635) 2010 DN93 490 4.8 5.1 490 7 146 729 detached
2003 QX113 490 5.1 5.1 490 7 127 635 SDO
2003 UA414 490 5 5.1 490 7 133 665 SDO
(119979) 2002 WC19 490 4.7 5.1 490 7 153 763 1:2 resonant
(472271) 2014 UM33 490 4.7 5.1 490 7 153 763 cubewano
(523693) 2014 FT71 490 5 5.1 490 7 133 665 4:7 resonant
2014 HZ199 479 5 5.2 479 7 133 665 cubewano
2014 BZ57 479 5 5.2 479 7 133 665 cubewano
(523752) 2014 VU37 479 5.1 5.2 479 7 127 635 cubewano
(495603) 2015 AM281 479 4.8 5.2 479 7 146 729 detached
(48639) 1995 TL8 479 4.8 5.2 479 7 146 729 TNO
(307982) 2004 PG115 479 4.8 5.2 479 7 146 729 SDO
471143 Dziewanna 470 3.8 470+35
−10
24 3.8 475 25 231 1155 SDO
(26181) 1996 GQ21 468 4.9 5.3 468 7 139 696 SDO
2015 AJ281 468 5 5.3 468 7 133 665 4:7 resonant
(523757) 2014 WH509 468 5.2 5.3 468 7 121 606 cubewano
2014 JP80 468 5 5.3 468 7 133 665 2:3 resonant
2014 JR80 468 5.1 5.3 468 7 127 635 2:3 resonant
(523750) 2014 US224 468 5 5.3 468 7 133 665 cubewano
2013 FS28 468 4.9 5.3 468 7 139 696 SDO
2010 RF188 468 5.2 5.3 468 7 121 606 SDO
2011 WJ157 468 5 5.3 468 7 133 665 SDO
(145480) 2005 TB190 464 4.4 464±62 14 4.4 469 15 175 876 detached
(26375) 1999 DE9 461 4.8 461±45 10 5.2 474 7 146 729 possible 2:5 resonant
(120132) 2003 FY128 460 4.6 460±21 12 5.1 467 8 160 799 SDO
(307616) 2003 QW90 457 5 5.4 457 6 133 665 cubewano
(469306) 1999 CD158 457 5 5.4 457 6 133 665 4:7 resonant
(308379) 2005 RS43 457 5 5.4 457 6 133 665 1:2 resonant
2010 ER65 457 5.2 5.4 457 6 121 606 detached
(445473) 2010 VZ98 457 4.8 5.4 457 6 146 729 SDO
2010 RF64 457 5.7 5.4 457 6 96 481 cubewano
(523640) 2010 RO64 457 5.2 5.4 457 6 121 606 cubewano
2010 TJ 457 5.7 5.4 457 6 96 481 SDO
2014 OJ394 457 5.1 5.4 457 6 127 635 detached
2014 QW441 457 5.2 5.4 457 6 121 606 cubewano
2014 AM55 457 5.2 5.4 457 6 121 606 cubewano
(523772) 2014 XR40 457 5.2 5.4 457 6 121 606 cubewano
(523653) 2011 OA60 457 5.1 5.4 457 6 127 635 cubewano
2003 QX111 453 7.1 6.8 453 2 51 253 2:3 resonant
(84719) 2002 VR128 449 5.58 449+42
−43
5 5.6 459 5 102 509 2:3 resonant
(471137) 2010 ET65 447 5.1 5.5 447 6 127 635 SDO
(471165) 2010 HE79 447 5.1 5.5 447 6 127 635 2:3 resonant
2010 EL139 447 5.6 5.5 447 6 101 504 2:3 resonant
(523773) 2014 XS40 447 5.4 5.5 447 6 111 553 3:5 resonant
2014 XY40 447 5.1 5.5 447 6 127 635 cubewano
2015 AH281 447 5.1 5.5 447 6 127 635 cubewano
2014 CO23 447 5.3 5.5 447 6 116 579 cubewano
(523690) 2014 DN143 447 5.3 5.5 447 6 116 579 cubewano
(523738) 2014 SH349 447 5.4 5.5 447 6 111 553 cubewano
2014 FY71 447 5.4 5.5 447 6 111 553 4:7 resonant
(471288) 2011 GM27 447 5.1 5.5 447 6 127 635 cubewano
(532093) 2013 HV156 447 5.2 5.5 447 6 121 606 1:2 resonant
(119951) 2002 KX14 445 4.86 445±27 10 4.9 468 10 142 709 cubewano
(471165) 2002 JR146 423 5.1 127 635 2:3 resonant
(444030) 2004 NT33 423 4.8 423+87
−80
12 5.1 490 7 146 729 4:7 resonant
(303775) 2005 QU182 416 3.8 416±73 31 3.8 415 33 231 1155 SDO
(469372) 2001 QF298 408 5.43 408+40
−45
7 5.4 421 7 109 545 2:3 resonant
38628 Huya 406 5.04 406±16 10 5 466 8 130 652 accepted 2:3 resonant
(175113) 2004 PF115 406 4.54 406+98
−75
16 4.5 482 12 164 821 2:3 resonant
2012 VB116 404 5.2 121 606 cubewano
  1. ^ The measured diameter, else Brown's estimated diameter, else the diameter calculated from H using an assumed albedo of 9%.
  2. ^ This is the total system mass (including moons), except for Pluto and Ceres.
  3. ^ The geometric albedo is calculated from the measured absolute magnitude and measured diameter via the formula:
  4. ^ Diameters with the text in red indicate that Brown's bot derived them from heuristically expected albedo.

[1] [2] [3] [4] [5]

  1. ^ a b Mike Brown, How many dwarf planets are there in the outer solar system?
  2. ^ a b Tancredi, G. (2010). "Physical and dynamical characteristics of icy "dwarf planets" (plutoids)". Icy Bodies of the Solar System: Proceedings IAU Symposium No. 263, 2009.
  3. ^ a b "List Of Trans-Neptunian Objects". Minor Planet Center.
  4. ^ a b "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center.
  5. ^ Johnston, Wm. Robert (24 May 2019). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 11 August 2019.