[Iaude] MPEC W46: 2023 WD1 [a=1.55,e=0.48,i=14.4,H=25.0]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-W46                             Issued 2023 November 20, 09:26 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 WD1                                    


Observations:
     K23W01D* C2023 11 18.39058400 58 41.525+25 42 52.68         22.09wXEW046F52
     K23W01D  C2023 11 18.40285800 58 45.907+25 44 15.88         21.43wXEW046F52
     K23W01D  C2023 11 18.41513500 58 50.277+25 45 38.25         21.43wXEW046F52
     K23W01D KC2023 11 19.08600401 03 05.03 +26 57 21.9          21.8 GVEW046H21
     K23W01D KC2023 11 19.09457401 03 07.80 +26 58 14.4          21.1 GVEW046H21
     K23W01D KC2023 11 19.10026201 03 09.69 +26 58 49.1          21.4 GVEW046H21
     K23W01D KC2023 11 19.10310401 03 10.61 +26 59 06.8          21.6 GVEW046H21
     K23W01D  C2023 11 19.41109801 04 54.818+27 29 44.44         21.27GVEW046F52
     K23W01D  C2023 11 19.41191301 04 55.073+27 29 48.94         21.21GVEW046F52
     K23W01D KC2023 11 19.96676 01 08 01.18 +28 19 58.9          22.0 GVEW046204
     K23W01D KC2023 11 20.00897 01 08 14.09 +28 23 34.5                VEW046204

Observer details:
204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5
    reflector + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.

Orbital elements:
2023 WD1                                                 Earth MOID = 0.0161 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 355.11245              (2000.0)            P               Q                  
n   0.51259091     Peri.  289.38579     +0.89017565     +0.41843965             
a   1.5462823      Node    46.35487     -0.26465873     +0.79694644             
e   0.4829266      Incl.   14.42503     -0.37086798     +0.43564278             
P   1.92           H   25.07          G   0.15           U   8                  
Residuals in seconds of arc
231118 F52  0.2-  0.3-    231119 H21  0.3-  0.0     231119 F52  0.1-  0.2-
231118 F52  0.1+  0.0     231119 H21  0.1+  0.0     231119 204  0.3+  0.5+
231118 F52  0.0   0.1-    231119 H21  0.1-  0.4+    231120 204  0.4+  0.7+
231119 H21  0.4+  0.1-    231119 F52  0.1-  0.1-

Ephemeris:
2023 WD1                 a,e,i = 1.55, 0.48, 14                  q = 0.7995
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 21    15 26 12.5 -52 09 35   0.1803  0.8825    46.9   124.5    26.3
...
2023 11 05    19 55 01.1 -54 09 21   0.05612 0.9751    71.3   105.6    22.7
...
2023 11 13    00 06 13.1 +07 15 44   0.05889 1.0316   134.0    43.6    20.7
...
2023 11 19    01 02 32.5 +26 48 49   0.1054  1.0758   144.3    32.4    21.7
2023 11 20    01 08 14.2 +28 23 16   0.1141  1.0833   144.6    31.9    21.9
2023 11 21    01 13 20.5 +29 43 20   0.1230  1.0907   144.7    31.6    22.1
...
2023 11 27    01 35 57.4 +34 40 00   0.1787  1.1361   143.8    30.8    22.9
...
2023 12 05    01 55 35.2 +37 28 26   0.2578  1.1971   141.0    31.2    23.9
...
2023 12 20    02 23 15.3 +39 06 34   0.4198  1.3107   134.0    32.7    25.1

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-W46