• Processing (Info)

  • MPEC 2020-W168 : 2020 WX4

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2020-W167 Read MPEC 2020-W169


    M.P.E.C. 2020-W168                            Issued 2020 November 26, 15:55 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  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
    
                                    2020 WX4                                 
    
    
    Observations:
         K20W04X* C2020 11 23.43357106 17 01.71 +25 04 13.5          21.33GVEW168G96
         K20W04X  C2020 11 23.43874306 17 01.69 +25 04 33.4          20.98GVEW168G96
         K20W04X  C2020 11 23.44908806 17 01.66 +25 05 13.5          21.38GVEW168G96
         K20W04X KC2020 11 23.48135206 17 01.60 +25 07 18.3                VEW168V06
         K20W04X KC2020 11 23.48372706 17 01.60 +25 07 27.5          20.91GVEW168V06
         K20W04X KC2020 11 23.48610306 17 01.62 +25 07 36.4          20.06GVEW168V06
         K20W04X KC2020 11 23.52246306 17 01.58 +25 09 56.3          20.65GVEW168V06
         K20W04X KC2020 11 23.52483806 17 01.58 +25 10 05.4          20.66GVEW168V06
         K20W04X KC2020 11 23.52791406 17 01.60 +25 10 17.1          21.08GVEW168V06
         K20W04X KC2020 11 24.39306306 17 07.41 +26 06 05.2          20.87GVEW168I52
         K20W04X KC2020 11 24.39561506 17 07.38 +26 06 14.5          20.91GVEW168I52
         K20W04X KC2020 11 24.40071706 17 07.36 +26 06 34.5          22.32GVEW168I52
         K20W04X KC2020 11 25.04647106 17 09.01 +26 47 46.2          21.0 GVEW168L01
         K20W04X KC2020 11 25.05269506 17 08.98 +26 48 10.0          20.4 GVEW168L01
         K20W04X KC2020 11 25.05744206 17 08.93 +26 48 28.4          20.9 GVEW168L01
         K20W04X KC2020 11 25.27823606 17 10.22 +27 02 33.8          21.29GVEW168I52
         K20W04X KC2020 11 25.27991706 17 10.19 +27 02 41.1                VEW168I52
         K20W04X KC2020 11 25.28159706 17 10.21 +27 02 46.8                VEW168I52
         K20W04X KC2020 11 25.28327506 17 10.19 +27 02 53.3                VEW168I52
         K20W04X KC2020 11 26.27983806 17 08.62 +28 05 48.1                VEW168I52
         K20W04X KC2020 11 26.28236606 17 08.62 +28 05 58.0          20.81GVEW168I52
         K20W04X KC2020 11 26.28741106 17 08.58 +28 06 18.1                VEW168I52
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  Measurers E. J. Christensen, G.
        A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
        Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
        Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers R. A. Kowalski, D.
        Rankin.  Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R.
        Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J.
        Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
        Wierzchos.  1.0-m reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, V. Dobos, D. Pujagic.
        Measurers D. Pujagic, K. Korlevic.  1.0-m f/2.9 reflector + CCD.
    V06 Catalina Sky Survey-Kuiper.  Observer H. Groeller.  Measurers E. J.
        Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
        Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.55-m reflector +
        1K CCD.
    
    Orbital elements:
    2020 WX4                                                 Earth MOID = 0.2738 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M   8.49836              (2000.0)            P               Q
    n   0.15635052     Peri.  333.87948     +0.71520788     -0.62099835
    a   3.4124778      Node    68.36068     +0.68633145     +0.53737446
    e   0.6378467      Incl.   20.18174     +0.13201069     +0.57060471
    P   6.30           H   21.9           G   0.15           U   7
    Residuals in seconds of arc
    201123 G96  0.1+  0.0     201123 V06  0.2+  0.1-    201125 I52  0.3-  0.6+
    201123 G96  0.0   0.2-    201124 I52  0.1+  0.1+    201125 I52  0.1+  0.2-
    201123 G96  0.1-  0.1-    201124 I52  0.1-  0.4-    201125 I52  0.0   0.2-
    201123 V06  0.2-  0.2+    201124 I52  0.1+  0.0     201126 I52  0.4-  0.5-
    201123 V06  0.1-  0.2+    201125 L01  0.1+  0.0     201126 I52  0.0   0.2-
    201123 V06  0.2+  0.0     201125 L01  0.3+  0.0     201126 I52  0.2+  0.7+
    201123 V06  0.1-  0.0     201125 L01  0.1+  0.3+
    201123 V06  0.1-  0.0     201125 I52  0.1-  0.3-
    
    Ephemeris:
    2020 WX4                 a,e,i = 3.41, 0.64, 20                  q = 1.2358
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 10 27    05 50 33.2 -02 50 38   0.3773  1.2365   122.1    42.9    21.9
    ...
    2020 11 11    06 10 31.2 +11 27 58   0.3438  1.2564   134.9    34.0    21.5
    ...
    2020 11 19    06 15 51.3 +20 13 03   0.3415  1.2777   143.0    27.8    21.3
    ...
    2020 11 25    06 17 08.9 +26 44 53   0.3486  1.2981   148.9    23.1    21.3
    2020 11 26    06 17 08.5 +27 48 14   0.3505  1.3018   149.8    22.4    21.3
    2020 11 27    06 17 04.2 +28 50 46   0.3527  1.3057   150.7    21.7    21.3
    ...
    2020 12 03    06 15 23.1 +34 43 57   0.3702  1.3308   155.2    18.1    21.3
    ...
    2020 12 11    06 10 15.1 +41 18 25   0.4053  1.3690   158.1    15.6    21.5
    ...
    2020 12 26    05 57 01.3 +49 08 44   0.5043  1.4532   153.9    17.3    22.1
    
    M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-W168
    


    Read MPEC 2020-W167 Read MPEC 2020-W169


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)