[Iaude] MPEC X161: 2023 WY12 [a=3.54,e=0.75,i=3.9,H=23.9]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-X161                             Issued 2023 December 8, 21:18 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 WY12                                    


Observations:
     K23W12Y* C2023 11 18.55506004 45 08.032+27 19 12.13         21.96wXEX161F51
     K23W12Y  C2023 11 18.56485904 45 06.489+27 19 13.48         22.43wXEX161F51
     K23W12Y  C2023 11 18.57464404 45 04.967+27 19 14.76         22.04wXEX161F51
     K23W12Y  C2023 11 18.64684204 44 53.905+27 19 23.21         22.44GVEX161F51
     K23W12Y  C2023 11 18.64765804 44 53.814+27 19 23.43         22.16GVEX161F51
     K23W12Y KC2023 11 19.25366004 43 30.82 +27 21 08.5          22.1 GVEX161H21
     K23W12Y KC2023 11 19.26225104 43 29.52 +27 21 09.7          21.6 GVEX161H21
     K23W12Y KC2023 11 19.27084004 43 28.23 +27 21 11.2          22.0 GVEX161H21
     K23W12Y KC2023 11 19.27856704 43 27.06 +27 21 12.7          22.2 GVEX161H21

Observer details:
F51 Pan-STARRS 1, 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 WY12                                                Earth MOID = 0.0138 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M 358.63077              (2000.0)            P               Q                  
n   0.14769480     Peri.  304.41793     +0.97764159     +0.20506671             
a   3.5445348      Node    43.80045     -0.16404075     +0.88219403             
e   0.7524603      Incl.    3.85421     -0.13155818     +0.42388835             
P   6.67           H   23.97          G   0.15           U   9                  
Residuals in seconds of arc
231118 F51  0.0   0.1+    231118 F51  0.2-  0.2-    231119 H21  0.0   0.1-
231118 F51  0.1-  0.1+    231118 F51  0.2+  0.1-    231119 H21  0.1+  0.1-
231118 F51  0.0   0.0     231119 H21  0.0   0.2+    231119 H21  0.0   0.1+

Ephemeris:
2023 WY12                a,e,i = 3.54, 0.75, 4                   q = 0.8774
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 08    05 18 47.6 +25 54 46   0.1720  1.1349   144.2    30.8    21.7
...
2023 11 23    04 35 35.4 +27 28 13   0.2980  1.2802   167.6     9.5    22.5
...
2023 12 01    04 22 57.0 +27 26 59   0.3769  1.3617   174.2     4.2    22.9
...
2023 12 07    04 16 33.8 +27 18 28   0.4424  1.4237   170.7     6.4    23.5
2023 12 08    04 15 43.3 +27 16 45   0.4539  1.4341   169.7     7.0    23.6
2023 12 09    04 14 56.5 +27 14 59   0.4655  1.4445   168.7     7.7    23.7
...
2023 12 15    04 11 26.8 +27 04 00   0.5388  1.5070   162.5    11.3    24.2
...
2023 12 23    04 09 38.8 +26 50 34   0.6457  1.5904   154.3    15.5    24.9
...
2024 01 07    04 13 11.2 +26 34 40   0.8739  1.7460   140.1    21.2    25.9

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-X161