Probable Per Brown
Mike Brown considers the following bodies, ranked by estimated size, to be "probably" plutoids. Asteroids are not considered.
The terms for varying degrees of likelihood are:
- Near certainty: Sufficient confidence to say these must be in hydrostatic equilibrium even if predominantly rocky.
- Highly likely: Estimated/measured to be over 600 km. The size would have to be "grossly in error" or they would have to be primarily rocky to not be dwarf planets.
- Likely: Estimated/measured to be over 500 km. Uncertainties in measurement mean that some of these will be significantly smaller and thus doubtful.
- Probable: Estimated/measured to be over 400 km. Expected to be dwarf planets if they are icy and that figure is correct.
rank | name | diameter (km) |
albedo (%) |
absolute magnitude (H) |
comments | likelihood |
---|---|---|---|---|---|---|
1 | Eris | 2330 | 99 | −1.1 | (measured) | near certainty |
2 | Pluto | 2330 | 72 | −0.8 | (measured) | near certainty |
3 | Haumea | 1500 | 69 | 0.2 | (measured) | near certainty |
4 | Makemake | 1440 | 79 | 0.1 | (measured) | near certainty |
5 | 2007 OR10 | 1420 | 15 | 2.0 | (estimate) | near certainty |
6 | Sedna | 1400 | 22 | 1.6 | (estimate) | near certainty |
7 | 2002 TC302 | 1150 | 4 | 3.9 | (very large uncertainty: likely smaller) |
highly likely |
8 | Quaoar | 980 | 18 | 2.6 | (measured) | near certainty |
9 | Orcus | 950 | 27 | 2.2 | (measured) | near certainty |
10 | 2007 UK126 | 748 | 15 | 3.4 | highly likely | |
11 | 2003 MW12 | 748 | 15 | 3.4 | highly likely | |
12 | 2005 UQ513 | 748 | 15 | 3.4 | highly likely | |
13 | 2002 AW197 | 734 | 15 | 3.4 | (measured) | highly likely |
14 | 2005 QU182 | 730 | 14 | 3.5 | highly likely | |
15 | 2002 MS4 | 726 | 12 | 3.7 | (measured) | highly likely |
16 | 2007 JJ43 | 694 | 13 | 3.7 | highly likely | |
17 | 2003 AZ84 | 685 | 15 | 3.6 | (measured) | highly likely |
18 | 2002 UX25 | 681 | 13 | 3.7 | (measured) | highly likely |
19 | 2006 QH181 | 677 | 12 | 3.8 | highly likely | |
20 | 2010 EK139 | 677 | 12 | 3.8 | highly likely | |
21 | 2004 GV9 | 677 | 10 | 4.0 | (measured) | highly likely |
22 | 2005 RN43 | 661 | 12 | 3.9 | highly likely | |
23 | 2010 KZ39 | 661 | 12 | 3.9 | highly likely | |
24 | Ixion | 650 | 21 | 3.3 | (measured) | highly likely |
25 | 2004 XA192 | 644 | 11 | 4.0 | highly likely | |
26 | 2003 VS2 | 629 | 11 | 4.1 | highly likely | |
27 | 2001 UR163 | 613 | 10 | 4.2 | highly likely | |
28 | 2010 RF43 | 613 | 10 | 4.2 | highly likely | |
29 | Salacia | 613 | 10 | 4.2 | highly likely | |
30 | 2004 PF115 | 613 | 10 | 4.2 | highly likely | |
31 | 2010 RE64 | 613 | 10 | 4.2 | highly likely | |
32 | 2008 ST291 | 598 | 10 | 4.3 | likely | |
33 | 2003 UZ413 | 598 | 10 | 4.3 | likely | |
34 | 2010 FX86 | 598 | 10 | 4.3 | likely | |
35 | 2005 RM43 | 584 | 10 | 4.4 | likely | |
36 | 2004 XR190 | 584 | 10 | 4.4 | likely | |
37 | 2002 KX14 | 584 | 10 | 4.4 | likely | |
38 | 2004 NT33 | 584 | 10 | 4.4 | likely | |
39 | 1996 TL66 | 575 | 4 | 5.4 | (measured) | likely |
40 | 2004 TY364 | 569 | 9 | 4.5 | likely | |
41 | 2004 UX10 | 569 | 9 | 4.5 | likely | |
42 | 2008 AP129 | 569 | 9 | 4.5 | likely | |
43 | 2010 VK201 | 569 | 9 | 4.5 | likely | |
44 | 2004 PR107 | 555 | 9 | 4.6 | likely | |
45 | 2005 TB190 | 542 | 8 | 4.7 | likely | |
46 | 2003 QX113 | 542 | 8 | 4.7 | likely | |
47 | 2007 JH43 | 542 | 8 | 4.7 | likely | |
48 | Huya | 532 | 7 | 4.9 | (measured) | likely |
50 | Chaos | 528 | 8 | 4.8 | likely | |
51 | 2000 YW134 | 515 | 8 | 4.9 | likely | |
52 | 2004 PG115 | 515 | 8 | 4.9 | likely | |
53 | 2003 FY128 | 515 | 8 | 4.9 | likely | |
54 | 2007 XV50 | 515 | 8 | 4.9 | likely | |
55 | 2008 OG19 | 503 | 7 | 5.0 | likely | |
56 | 2010 VZ98 | 503 | 7 | 5.0 | likely | |
57 | 2002 KW14 | 503 | 7 | 5.0 | likely | |
58 | 2001 KA77 | 503 | 7 | 5.0 | likely | |
59 | 2002 XV93 | 503 | 7 | 5.0 | likely | |
60 | 2011 FW62 | 503 | 7 | 5.0 | likely | |
61 | Varuna | 500 | 27 | 3.6 | (measured) | probably |
62 | 2002 VE95 | 495 | 4 | 5.6 | probably | |
63 | 2002 WC19 | 490 | 7 | 5.1 | probably | |
64 | 1999 CD158 | 490 | 7 | 5.1 | probably | |
65 | 2001 QF298 | 490 | 7 | 5.1 | probably | |
66 | 2010 EL139 | 490 | 7 | 5.1 | probably | |
67 | 2011 GM27 | 490 | 7 | 5.1 | probably | |
68 | 1996 GQ21 | 478 | 7 | 5.2 | probably | |
69 | 2008 QY40 | 515 | 8 | 4.9 | probably | |
70 | 2006 HH123 | 478 | 7 | 5.2 | probably | |
71 | 2010 ET65 | 478 | 7 | 5.2 | probably | |
72 | 2010 TY53 | 478 | 7 | 5.2 | probably | |
73 | 2008 UA332 | 478 | 7 | 5.2 | probably | |
74 | 2010 HE79 | 478 | 7 | 5.2 | probably | |
75 | 2005 RS43 | 467 | 7 | 5.3 | probably | |
76 | 2002 PJ149 | 467 | 7 | 5.3 | probably | |
77 | 2003 UA414 | 467 | 7 | 5.3 | probably | |
78 | 2010 JK124 | 467 | 7 | 5.3 | probably | |
79 | 2010 RO64 | 490 | 7 | 5.1 | probably | |
80 | 1999 DE9 | 461 | 8 | 5.1 | (measured) | probably |
81 | 1998 SN165 | 460 | 5 | 5.6 | (measured) | probably |
82 | 1995 TL8 | 455 | 6 | 5.4 | probably | |
83 | 2008 CT190 | 455 | 6 | 5.4 | probably | |
84 | 2010 ER65 | 455 | 6 | 5.4 | probably | |
85 | 2010 TR19 | 455 | 6 | 5.4 | probably | |
86 | 2002 GJ32 | 455 | 6 | 5.4 | probably | |
87 | 2003 QW90 | 455 | 6 | 5.4 | probably | |
88 | 2001 QS297 | 455 | 6 | 5.4 | probably | |
89 | 2002 CY248 | 455 | 6 | 5.4 | probably | |
90 | 2007 PS45 | 455 | 6 | 5.4 | probably | |
91 | 2002 JR146 | 444 | 6 | 5.5 | probably | |
92 | 2010 TJ | 444 | 6 | 5.5 | probably | |
93 | 2002 XW93 | 444 | 6 | 5.5 | probably | |
94 | 2001 YH140 | 444 | 6 | 5.5 | probably | |
95 | 2001 XD255 | 444 | 6 | 5.5 | probably | |
96 | 2002 GH32 | 444 | 6 | 5.5 | probably | |
97 | 2002 XH91 | 444 | 6 | 5.5 | probably | |
98 | 1999 TC36 | 415 | 12 | 4.9 | (measured) | probably |
99 | 2001 FP185 | 411 | 4 | 6.0 | (blue) | probably |
100 | 2000 CQ105 | 411 | 4 | 6.0 | (blue) | probably |
101 | 2001 QX322 | 411 | 4 | 6.0 | (blue) | probably |
102 | 1999 CL119 | 411 | 4 | 6.0 | (blue) | probably |
Another 288 objects were listed as "possible" dwarfs, depending on composition and the accuracy of size and mass estimates.
Read more about this topic: List Of Dwarf Planet Candidates
Famous quotes containing the words probable and/or brown:
“I hope I may claim in the present work to have made it probable that the laws of arithmetic are analytic judgments and consequently a priori. Arithmetic thus becomes simply a development of logic, and every proposition of arithmetic a law of logic, albeit a derivative one. To apply arithmetic in the physical sciences is to bring logic to bear on observed facts; calculation becomes deduction.”
—Gottlob Frege (18481925)
“There was such speed in her little body,
And such lightness in her footfall,
It is no wonder her brown study
Astonishes us all.”
—John Crowe Ransom (18881974)