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  • MPEC 2020-X41 : 2020 XW

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    M.P.E.C. 2020-X41                              Issued 2020 December 7, 08:46 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 XW                                 
    
    
    Observations:
         K20X00W* C2020 12 05.12863723 26 44.49 +17 24 36.5          20.67GVEX041G96
         K20X00W  C2020 12 05.13379023 26 47.06 +17 25 15.4          20.51GVEX041G96
         K20X00W  C2020 12 05.13894323 26 49.62 +17 25 54.6          20.99GVEX041G96
         K20X00W KC2020 12 05.23128923 27 36.67 +17 37 30.0          20.99GVEX041I52
         K20X00W KC2020 12 05.23297223 27 37.56 +17 37 42.7          20.09GVEX041I52
         K20X00W KC2020 12 05.23465423 27 38.44 +17 37 55.1          20.17GVEX041I52
         K20X00W KC2020 12 05.23633623 27 39.34 +17 38 08.1          19.95GVEX041I52
         K20X00W KC2020 12 05.99504223 35 03.49 +19 16 44.4          20.6 VuEX041H21
         K20X00W KC2020 12 05.99790123 35 05.01 +19 17 06.7          20.7 VuEX041H21
         K20X00W KC2020 12 06.00074223 35 06.54 +19 17 29.6          21.2 VuEX041H21
         K20X00W KC2020 12 06.05209 23 35 35.31 +19 24 18.0          20.2 RqEX041H36
         K20X00W KC2020 12 06.07087923 35 47.78 +19 27 02.9          20.74GVEX041I52
         K20X00W KC2020 12 06.07213923 35 48.43 +19 27 13.2          20.68GVEX041I52
         K20X00W KC2020 12 06.07339923 35 49.10 +19 27 23.0          20.35GVEX041I52
         K20X00W KC2020 12 06.07465923 35 49.77 +19 27 32.8          19.92GVEX041I52
         K20X00W KC2020 12 06.10432 23 36 03.52 +19 31 07.6          20.2 RqEX041H36
         K20X00W KC2020 12 06.11011 23 36 06.59 +19 31 52.9          20.4 RqEX041H36
         K20X00W KC2020 12 07.06985023 46 04.13 +21 40 33.2          20.60GVEX041I52
         K20X00W KC2020 12 07.07083323 46 04.72 +21 40 41.4          20.12GVEX041I52
         K20X00W KC2020 12 07.07181723 46 05.29 +21 40 49.6          19.80GVEX041I52
         K20X00W KC2020 12 07.07280523 46 05.85 +21 40 57.3          20.03GVEX041I52
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer T. A. Pruyne.  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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        astrograph + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m reflector +
        CCD.
    
    Orbital elements:
    2020 XW                                                  Earth MOID = 0.0115 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
    M  12.20664              (2000.0)            P               Q                  
    n   0.53034391     Peri.   24.31038     +0.53725898     -0.84325265             
    a   1.5115795      Node    33.19947     +0.76875048     +0.48147163             
    e   0.3414245      Incl.    1.74422     +0.34695170     +0.23897707             
    P   1.86           H   24.52          G   0.15           U   8                  
    Residuals in seconds of arc
    201205 G96  0.0-  0.1+    201205 H21  0.0+  0.1-    201206 I52  0.2-  0.2-
    201205 G96  0.1+  0.1-    201205 H21  0.1-  0.5-    201206 H36  0.4+  0.1+
    201205 G96  0.0-  0.0-    201206 H21  0.0-  0.1-    201206 H36  0.7-  0.1+
    201205 I52  0.0-  0.0+    201206 H36  0.4+  0.6+    201207 I52  0.1-  0.2-
    201205 I52  0.1+  0.1+    201206 I52  0.2+  0.1-    201207 I52  0.2+  0.0-
    201205 I52  0.1+  0.1-    201206 I52  0.2-  0.2+    201207 I52  0.2+  0.1+
    201205 I52  0.4+  0.4+    201206 I52  0.2-  0.0+    201207 I52  0.0+  0.2-
    
    Ephemeris:
    2020 XW                  a,e,i = 1.51, 0.34, 2                   q = 0.9955
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 11 07    21 30 57.2 -13 20 15   0.1162  1.0098    96.0    77.4    22.6
    ...
    2020 11 22    22 08 46.4 -02 50 55   0.08138 0.9956    93.3    82.1    21.9
    ...
    2020 11 30    22 47 37.0 +07 40 55   0.06429 0.9973    98.1    78.2    21.3
    ...
    2020 12 06    23 35 04.6 +19 18 12   0.05480 1.0028   107.1    69.9    20.7
    2020 12 07    23 45 18.0 +21 31 31   0.05370 1.0040   109.1    68.0    20.6
    2020 12 08    23 56 19.2 +23 47 39   0.05277 1.0054   111.3    65.9    20.5
    ...
    2020 12 14    01 20 24.6 +36 48 58   0.05145 1.0155   126.1    51.6    20.0
    ...
    2020 12 22    03 36 51.0 +45 05 27   0.06171 1.0340   143.6    34.4    20.0
    ...
    2021 01 06    06 02 41.4 +40 31 40   0.1061  1.0820   157.4    20.5    20.8
    
    M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X41
    


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