[Iaude] MPEC W102: 2023 WK2 [a=2.04,e=0.46,i=8.2,H=21.6]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-W102                            Issued 2023 November 23, 13:57 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.
			  
             Prepared using the Tamkin Foundation Computer Network

                              MPC at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2023 WK2                                    


Observations:
     K23W02K* C2023 11 17.86155 04 24 22.39 +33 45 07.5          20.8 wVEW102O18
     K23W02K  C2023 11 17.86802 04 24 22.15 +33 45 17.9          20.8 wVEW102O18
     K23W02K  C2023 11 17.87449 04 24 21.91 +33 45 28.0          21.0 wVEW102O18
     K23W02K  C2023 11 18.86289 04 23 50.65 +34 12 32.6          20.9 wVEW102O18
     K23W02K  C2023 11 18.86718 04 23 50.48 +34 12 39.5          20.9 wVEW102O18
     K23W02K  C2023 11 18.87141 04 23 50.30 +34 12 46.4          21.0 wVEW102O18
     K23W02K HC2023 11 21.86136 04 21 59.37 +35 37 34.6          21   GVEW102204
     K23W02K HC2023 11 21.88298 04 21 58.33 +35 38 13.5                VEW102204
     K23W02K KC2023 11 22.73353 04 21 20.72 +36 03 12.3          21.2 GVEW102N89
     K23W02K KC2023 11 22.75348 04 21 19.64 +36 03 48.7          20.7 GVEW102N89

Observer details:
204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5
    reflector + CCD.
N89 Xingming Observatory #2, Nanshan.  Observers Z. J. Xu, X. Gao.  Measurer
    Z. J. Xu.  0.5-m f/4 reflector + CCD.
O18 WFST, Lenghu.  Observers Z. Y. Liu, S. X. Li, Z. Q. Li, Q. Y. Hai, K. Yan,
    J. Z. Zhu, N. Jiang, Z. Y. Cai.  Measurers B. Li, H. B. Zhao, Z. J. Xu, G.
    T. Zhaori.  2.5-m f/2.48 reflector + CCD.

Orbital elements:
2023 WK2                                                 Earth MOID = 0.1875 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 311.93334              (2000.0)            P               Q                  
n   0.33927185     Peri.   91.78867     -0.58798208     -0.80482263             
a   2.0359675      Node    34.63561     +0.67400947     -0.54275818             
e   0.4592572      Incl.    8.17877     +0.44720053     -0.24015430             
P   2.91           H   21.68          G   0.15           U   9                  
Residuals in seconds of arc
231117 O18  0.1-  0.0     231118 O18  0.1+  0.1-    231122 N89  0.0   0.5-
231117 O18  0.0   0.1+    231118 O18  0.0   0.0     231122 N89  0.0   0.4+
231117 O18  0.0   0.1-    231121 204  0.1-  0.1-
231118 O18  0.1+  0.0     231121 204  0.0   0.2+

Ephemeris:
2023 WK2                 a,e,i = 2.04, 0.46, 8                   q = 1.1009
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 24    04 22 30.3 +25 00 59   0.5997  1.5126   141.9    24.0    22.6
...
2023 11 08    04 26 54.7 +29 42 25   0.4623  1.4213   154.1    17.7    21.7
...
2023 11 16    04 25 14.1 +32 55 32   0.4026  1.3741   159.9    14.3    21.2
...
2023 11 22    04 21 52.5 +35 41 43   0.3644  1.3399   162.5    12.8    20.9
2023 11 23    04 21 08.4 +36 11 08   0.3586  1.3343   162.7    12.7    20.8
2023 11 24    04 20 21.2 +36 41 00   0.3529  1.3287   162.8    12.7    20.8
...
2023 11 30    04 14 36.6 +39 49 12   0.3222  1.2961   161.6    13.9    20.6
...
2023 12 08    04 04 30.3 +44 17 33   0.2895  1.2550   155.9    18.7    20.4
...
2023 12 23    03 43 10.9 +52 48 18   0.2503  1.1876   140.6    31.7    20.4

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-W102