[Iaude] MPEC W83: 2023 WB2 [a=1.48,e=0.25,i=8.5,H=24.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Nov 22 06:57:21 EST 2023


M.P.E.C. 2023-W83                             Issued 2023 November 22, 11:55 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 WB2                                    


Observations:
     K23W02B* C2023 11 18.82242 04 17 53.55 +21 03 22.1          21.0 wVEW083O18
     K23W02B  C2023 11 18.82896 04 17 54.03 +21 02 59.6          21.2 wVEW083O18
     K23W02B  C2023 11 18.83549 04 17 54.52 +21 02 37.1          21.0 wVEW083O18
     K23W02B  C2023 11 19.85696 04 19 28.65 +20 03 43.8          21.0 wVEW083O18
     K23W02B  C2023 11 19.86351 04 19 29.15 +20 03 20.2          20.9 wVEW083O18
     K23W02B  C2023 11 19.87002 04 19 29.65 +20 02 57.0          21.0 wVEW083O18
     K23W02B HC2023 11 21.95959 04 22 44.28 +17 57 47.8                VEW083204
     K23W02B KC2023 11 21.98121 04 22 45.86 +17 56 28.3          20.6 GVEW083204
     K23W02B KC2023 11 22.32141804 23 15.51 +17 35 37.8                VEW083H21
     K23W02B KC2023 11 22.32428504 23 15.74 +17 35 27.2          21.0 GVEW083H21
     K23W02B KC2023 11 22.32715004 23 15.92 +17 35 16.8          20.9 GVEW083H21
     K23W02B KC2023 11 22.33288104 23 16.34 +17 34 54.9          21.1 GVEW083H21
     K23W02B KC2023 11 22.33574704 23 16.56 +17 34 44.4          21.6 GVEW083H21

Observer details:
204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5
    reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.
O18 WFST, Lenghu.  Observers Q. Y. Hai, K. Yan, J. Z. Zhu, N. Jiang, Z. Y.
    Cai, Z. Q. Li, Z. Y. Liu.  Measurers B. Li, H. B. Zhao, Z. J. Xu, G. T.
    Zhaori.  2.5-m f/2.48 reflector + CCD.

Orbital elements:
2023 WB2                                                 Earth MOID = 0.1357 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 305.99568              (2000.0)            P               Q                  
n   0.54729927     Peri.  209.83669     +0.06017007     -0.99047084             
a   1.4801968      Node   236.97651     +0.94257406     +0.09722602             
e   0.2510421      Incl.    8.49675     +0.32853266     -0.09754287             
P   1.80           H   24.54          G   0.15           U   9                  
Residuals in seconds of arc
231118 O18  0.0   0.1+    231119 O18  0.1+  0.4-    231122 H21  0.2-  0.2+
231118 O18  0.1-  0.1+    231121 204  0.0   0.2+    231122 H21  0.1-  0.2-
231118 O18  0.0   0.2+    231121 204  0.0   0.1-    231122 H21  0.0   0.0
231119 O18  0.1+  0.1-    231122 H21  0.1-  0.2-
231119 O18  0.1+  0.4-    231122 H21  0.2+  0.1-

Ephemeris:
2023 WB2                 a,e,i = 1.48, 0.25, 8                   q = 1.1086
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 23    03 32 33.7 +36 00 09   0.2419  1.2027   145.7    27.8    23.1
...
2023 11 07    03 58 53.8 +30 12 31   0.1830  1.1630   158.1    18.5    22.1
...
2023 11 15    04 11 56.1 +24 28 49   0.1603  1.1456   166.1    12.0    21.6
...
2023 11 21    04 21 15.7 +18 56 29   0.1480  1.1345   171.0     7.8    21.2
2023 11 22    04 22 47.3 +17 55 50   0.1464  1.1328   171.4     7.5    21.2
2023 11 23    04 24 18.5 +16 53 57   0.1449  1.1312   171.6     7.3    21.1
...
2023 11 29    04 33 17.5 +10 23 42   0.1385  1.1226   168.4    10.2    21.2
...
2023 12 07    04 44 52.5 +01 36 40   0.1369  1.1142   159.0    18.4    21.4
...
2023 12 22    05 06 13.7 -11 13 42   0.1515  1.1086   143.1    32.2    22.0

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-W83




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