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  • MPEC 2023-K14 : 2019 CO4

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    M.P.E.C. 2023-K14                                  Issued 2023 May 16, 14:06 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
    
                                    2019 CO4                                 
    
    
                               Revision to MPEC 2019-C126                           
    
    Additional Observations:
         K19C04O KC2023 05 13.39352119 03 49.370+42 27 52.38         22.89GVEK014V06
         K19C04O KC2023 05 13.39829319 03 49.439+42 27 59.76         22.25GVEK014V06
         K19C04O KC2023 05 13.40306519 03 49.504+42 28 07.10         22.74GVEK014V06
         K19C04O 0C2023 05 14.53225219 04 07.797+42 57 13.77         22.93GVEK014T12
         K19C04O 0C2023 05 14.53618319 04 07.841+42 57 19.94         22.77GVEK014T12
         K19C04O 0C2023 05 14.54003819 04 07.891+42 57 25.91         22.71GVEK014T12
         K19C04O 0C2023 05 14.54375319 04 07.939+42 57 31.69         22.68GVEK014T12
    
    Observer details:
    T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
        2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
    V06 Catalina Sky Survey-Kuiper.  Observer K. W. Wierzchos.  Measurers E. J.
        Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
        H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
        Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos.  1.55-m
        reflector + 1K CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    230513 V06 17.9+  1.1+    230514 T12 18.2+  1.1+    MPO740880   +0.00 days
    
    Orbital elements:
    2019 CO4                                                 Earth MOID = 0.3031 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 320.73112              (2000.0)            P               Q                  
    n   0.20499155     Peri.  232.15255     +0.80176756     -0.50481216             
    a   2.8486914      Node   152.94332     +0.42352457     +0.85759174             
    e   0.8366119      Incl.   44.68966     -0.42165829     -0.09849407             
    P   4.81           H   18.86          G   0.15           U   1                  
    Residuals in seconds of arc
    180808 F51  0.1+  0.1+    190212 G96  0.1+  0.0     190226 G96  0.0   0.0
    180808 F51  0.1+  0.0     190212 G96  0.1-  0.1+    190226 G96  0.1+  0.3-
    180808 F51  0.1-  0.1-    190212 K88  0.0   0.0     190226 G96  0.1-  0.1+
    180808 F51  0.1+  0.1-    190212 K88  0.7+  0.0     190228 I52  0.5-  0.0
    180817 F51  0.2-  0.2-    190212 K88  0.1+  0.6-    190228 I52  0.7-  0.1-
    190208 F52  0.0   0.0     190212 L01  0.1-  0.3-    190228 I52  0.2-  0.3-
    190208 F52  0.1-  0.0     190212 L01  0.1+  0.2+    190228 I52  0.3+  0.3-
    190208 F52  0.0   0.0     190212 L01  0.4+  0.0     190301 703  1.0+  0.3-
    190208 L01  0.1+  0.0     190212 L01  0.3-  0.4+    190301 703  0.4+  1.3-
    190208 L01  0.9-  0.3+    190213 C95  0.2+  0.2-    190304 I52  0.4-  0.2-
    190208 L01  0.5+  0.0     190213 C95  0.3+  0.3-    190304 I52  0.0   0.2+
    190210 H21  0.1-  0.0     190213 C95  0.1+  0.1+    190304 I52  0.1+  0.2-
    190210 H21  0.1-  0.1+    190213 C95  0.1+  0.3+    190307 I52  0.1+  0.1-
    190210 807  0.0   0.2-    190224 K61  0.1+  0.3+    190307 I52  0.2+  0.2-
    190210 807  0.0   0.1-    190224 K61  0.4-  0.2+    190307 I52  0.4-  0.2+
    190210 807  0.1+  0.1-    190225 198  0.0   0.1+    190307 I52  0.1-  0.4-
    190210 Z99  0.6-  0.1-    190225 J43  0.3-  1.3-    190327 H21  0.2+  0.4+
    190210 Z99  0.1+  0.3-    190225 198  0.0   0.0     190327 H21  0.1-  0.2-
    190210 Z99  0.2-  0.6+    190225 J43  0.0   0.1-    190327 H21  0.4-  0.2-
    190211 C95  0.1+  0.1-    190225 198  0.1+  0.0     190401 H21  0.1-  0.1+
    190211 C95  0.1+  0.1-    190225 J43  0.6-  0.3+    190401 H21  0.3+  0.2+
    190211 C95  0.2-  0.1-    190225 198  0.2+  0.1-    190401 H21  0.4+  0.3+
    190211 J43  0.6+  0.2-    190225 198  0.0   0.1-    230513 V06  0.0   0.0
    190211 J43  0.3-  0.5+    190225 204  0.0   0.1-    230513 V06  0.0   0.0
    190211 J43  0.4+  0.1+    190225 204  0.1-  0.1-    230513 V06  0.1-  0.0
    190211 J43  0.3-  0.4+    190225 204  0.3+  0.0     230514 T12  0.0   0.0
    190211 I52  0.7+  0.3-    190225 198  0.4-  0.1+    230514 T12  0.0   0.0
    190211 I52  0.1-  0.5+    190225 198  0.5-  0.3+    230514 T12  0.0   0.0
    190211 I52  0.2+  1.2+    190225 198  0.2-  0.5+    230514 T12  0.0   0.0
    190212 G96  0.0   0.1-    190225 198  0.2-  0.0
    190212 G96  0.1+  0.1-    190226 G96  0.2-  0.2-
    
    Ephemeris:
    2019 CO4                 a,e,i = 2.85, 0.84, 45                  q = 0.4654
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 04 16    18 46 52.1 +31 57 04   1.9321  2.2484    94.7    26.4    23.2
    ...
    2023 05 01    18 58 07.8 +37 24 09   1.6869  2.0873    98.4    28.5    22.9
    ...
    2023 05 09    19 02 15.8 +40 36 52   1.5624  1.9978    99.7    29.9    22.6
    ...
    2023 05 15    19 04 14.5 +43 09 17   1.4718  1.9288   100.3    31.0    22.5
    2023 05 16    19 04 27.6 +43 35 19   1.4570  1.9172   100.4    31.2    22.4
    2023 05 17    19 04 38.8 +44 01 31   1.4422  1.9055   100.4    31.5    22.4
    ...
    2023 05 23    19 04 58.1 +46 42 02   1.3549  1.8345   100.6    32.8    22.2
    ...
    2023 05 31    19 02 54.3 +50 23 58   1.2420  1.7371   100.2    35.1    22.0
    ...
    2023 06 15    18 47 42.9 +57 37 45   1.0397  1.5457    97.5    40.7    21.5
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-K14
    


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