Table 1
List of 31 numbered and multi-opposition retrograde asteroids with i, a, e, observationalarc in days and the number of observations used in the orbit determination.
| N | Name | i[deg] | a [au] | e | arc [d] | Nobs |
|---|---|---|---|---|---|---|
| 1 | (20461) Dioretsa | 160.4 | 23.9 | 0.900 | 927 | 277 |
| 2 | (65407) 2002 RP120 | 119.0 | 53.9 | 0.954 | 1226 | 536 |
| 3 | (330759) 2008 SO218⋆ | 170.3 | 8.1 | 0.564 | 3132 | 348 |
| 4 | (336756) 2010 NV1⋆ | 140.7 | 290.1 | 0.968 | 2143 | 157 |
| 5 | (342842) 2008 YB3 | 105.1 | 11.6 | 0.441 | 3236 | 502 |
| 6 | (343158) 2009 HC82 | 154.4 | 2.5 | 0.807 | 4794 | 163 |
| 7 | (434620) 2005 VD | 172.9 | 6.7 | 0.252 | 6222 | 60 |
| 8 | (459870) 2014 AT28 | 165.6 | 10.9 | 0.404 | 2362 | 79 |
| 9 | 1999 LE31⋆ | 151.8 | 8.1 | 0.466 | 7022 | 130 |
| 10 | 2000 HE46 | 158.5 | 23.6 | 0.899 | 220 | 119 |
| 11 | 2004 NN8 | 165.5 | 98.4 | 0.976 | 292 | 82 |
| 12 | 2005 SB223 | 91.3 | 29.4 | 0.905 | 244 | 50 |
| 13 | 2006 BZ8 | 165.3 | 9.6 | 0.803 | 623 | 345 |
| 14 | 2008 KV42 | 103.4 | 41.7 | 0.493 | 3610 | 58 |
| 15 | 2009 QY6 | 137.7 | 12.5 | 0.834 | 264 | 167 |
| 16 | 2009 YS6 | 147.8 | 20.1 | 0.920 | 1271 | 157 |
| 17 | 2010 CG55 | 146.2 | 31.9 | 0.910 | 1075 | 124 |
| 18 | 2010 GW64 | 105.2 | 63.1 | 0.941 | 252 | 38 |
| 19 | 2010 OR1 | 143.9 | 26.9 | 0.924 | 232 | 152 |
| 20 | 2011 MM4 | 100.5 | 21.13 | 0.473 | 1071 | 111 |
| 21 | 2012 HD2 | 146.9 | 62.39 | 0.959 | 302 | 107 |
| 22 | 2013 BL76 | 98.61 | 1036 | 0.992 | 687 | 70 |
| 23 | 2013 LD16 | 154.8 | 79.99 | 0.968 | 262 | 54 |
| 24 | (468861) 2013 LU28 | 125.4 | 175.5 | 0.950 | 1805 | 110 |
| 25 | 2013 NS11 | 130.3 | 12.65 | 0.787 | 565 | 257 |
| 26 | (471325) 2011 KT19⋆⋆ | 110.1 | 35.6 | 0.330 | 1779 | 132 |
| 27 | (514107) 2015 BZ509⋆⋆ | 163.0 | 5.1 | 0.380 | 1026 | 73 |
| 28 | (518151) 2016 FH13⋆⋆ | 93.6 | 24.5 | 0.614 | 1478 | 87 |
| 29 | (523797) 2016 NM56⋆⋆ | 144.0 | 72.7 | 0.855 | 2142 | 107 |
| 30 | (523800) 2017 KZ31⋆⋆ | 161.7 | 53.4 | 0.795 | 1715 | 88 |
| 31 | 2005 NP82⋆⋆ | 130.5 | 5.9 | 0.478 | 5137 | 132 |
Notes. All data adopted from JPL Small-Body Database. Information updated since our previous studies (Kankiewicz & Włodarczyk 2018) is denoted with an asterisk. New objects in the list are denoted with a double asterisk.
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