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  • MPEC 2022-X46 : 2022 WC12

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    M.P.E.C. 2022-X46                              Issued 2022 December 3, 02:27 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2022 WC12                                
    
    
    Observations:
         K22W12C*KC2022 11 27.91340 04 40 27.408-53 12 59.40         19.5 GXEX046L87
         K22W12C KC2022 11 27.91494 04 40 27.187-53 12 56.77         19.7 GXEX046L87
         K22W12C KC2022 11 27.91953 04 40 26.434-53 12 50.15               XEX046L87
         K22W12C KC2022 11 27.92414 04 40 25.745-53 12 43.67         19.5 GXEX046L87
         K22W12C KC2022 11 27.92568 04 40 25.572-53 12 41.00         19.6 GXEX046L87
         K22W12C KC2022 11 28.80683 04 38 26.885-52 51 00.40         19.4 GXEX046L87
         K22W12C KC2022 11 28.81273 04 38 26.047-52 50 51.97         19.2 GXEX046L87
         K22W12C KC2022 11 28.81844 04 38 25.210-52 50 43.62         19.3 GXEX046L87
         K22W12C KC2022 11 28.98924 04 37 59.086-52 46 24.89         19.4 GXEX046L87
         K22W12C KC2022 11 28.99524 04 37 58.157-52 46 15.60         18.8 GXEX046L87
         K22W12C KC2022 11 29.00104 04 37 57.262-52 46 06.20         19.0 GXEX046L87
         K22W12C |C2022 11 29.16572 04 37 35.32 -52 41 44.0          20.3 GVEX046807
         K22W12C |C2022 11 29.17127 04 37 34.46 -52 41 35.2          20.1 GVEX046807
         K22W12C |C2022 11 29.17682 04 37 33.57 -52 41 26.0          19.9 GVEX046807
         K22W12C KC2022 11 29.85295 04 35 58.356-52 22 51.60         19.2 GXEX046L87
         K22W12C KC2022 11 29.85887 04 35 57.386-52 22 42.20         19.8 GXEX046L87
         K22W12C KC2022 11 29.86458 04 35 56.489-52 22 32.66         19.7 GXEX046L87
         K22W12C KC2022 12 02.80041 04 28 29.899-50 45 58.97         18.7 GXEX046L87
         K22W12C KC2022 12 02.80213 04 28 29.618-50 45 55.22         19.0 GXEX046L87
         K22W12C KC2022 12 02.80297 04 28 29.482-50 45 53.53         19.0 GXEX046L87
         K22W12C KC2022 12 02.80535 04 28 29.050-50 45 47.99         19.0 GXEX046L87
         K22W12C KC2022 12 02.80793 04 28 28.620-50 45 42.34         19.0 GXEX046L87
         K22W12C KC2022 12 02.81354 04 28 27.660-50 45 30.20         18.8 GXEX046L87
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  1.00-m f/10.0 astrograph + CCD.
    L87 Moonbase South Observatory, Hakos.  Observer G. Duszanowicz.  Measurer J.
        Camarasa.  0.28-m f/1.9 reflector + CCD, 0.36-m f/7.7 reflector + CCD.
    
    Orbital elements:
    2022 WC12                                                Earth MOID = 0.0915 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M  15.27380              (2000.0)            P               Q                  
    n   0.26974673     Peri.    1.13449     -0.03804166     -0.81541940             
    a   2.3722762      Node    91.25427     +0.91220761     -0.26432379             
    e   0.5465736      Incl.   35.29299     +0.40795847     +0.51499916             
    P   3.65           H   19.56          G   0.15           U   9                  
    Residuals in seconds of arc
    221127 L87  0.2-  0.6-    221128 L87  0.0   0.1+    221129 L87  0.4-  0.2-
    221127 L87  0.2-  0.1-    221128 L87  0.0   0.2-    221202 L87  0.1+  0.0
    221127 L87  0.8-  0.2+    221129 L87  0.0   0.0     221202 L87  0.2+  0.0
    221127 L87  0.9-  0.4+    221129 807  0.1+  0.2-    221202 L87  0.3+  0.2-
    221127 L87  0.4-  0.9+    221129 807  0.1+  0.1-    221202 L87  0.0   0.2+
    221128 L87  0.4-  0.1-    221129 807  0.2-  0.3+    221202 L87  0.1+  0.3+
    221128 L87  0.1-  0.2-    221129 L87  0.0   0.1-    221202 L87  0.1+  0.2+
    221128 L87  0.0   0.2-    221129 L87  0.4-  0.4-
    
    Ephemeris:
    2022 WC12                a,e,i = 2.37, 0.55, 35                  q = 1.0757
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 11 03    05 09 01.8 -55 30 03   0.6171  1.2742   102.2    49.6    20.9
    ...
    2022 11 18    04 58 06.5 -55 31 32   0.4757  1.1908   103.2    53.9    20.3
    ...
    2022 11 26    04 44 32.9 -53 53 23   0.3958  1.1536   104.8    55.8    19.9
    ...
    2022 12 02    04 30 34.6 -51 14 59   0.3349  1.1297   106.9    56.6    19.5
    2022 12 03    04 27 55.9 -50 38 20   0.3247  1.1261   107.3    56.7    19.4
    2022 12 04    04 25 11.8 -49 58 02   0.3146  1.1226   107.8    56.7    19.4
    ...
    2022 12 10    04 06 54.9 -44 17 40   0.2548  1.1040   111.5    56.1    18.8
    ...
    2022 12 18    03 37 43.9 -29 23 01   0.1837  1.0863   119.5    52.1    18.0
    ...
    2023 01 02    02 32 34.0 +32 18 08   0.1541  1.0761   123.5    49.6    17.5
    
    M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-X46
    


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