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  • MPEC 2023-U165 : 2013 UK

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    M.P.E.C. 2023-U165                             Issued 2023 October 21, 14:16 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
    
                                     2013 UK                                 
    
    
                               Revision to MPEC 2013-U13                            
    
    Additional Observations:
         K13U00K  C2018 10 29.21592 23 31 04.40 +36 45 34.9          21.0 GVEU165G96
         K13U00K  C2018 10 29.22161 23 31 05.43 +36 45 33.1          21.0 GVEU165G96
         K13U00K  C2018 10 29.22730 23 31 06.59 +36 45 30.7          21.4 GVEU165G96
         K13U00K  C2023 10 20.08364921 56 23.053+23 40 36.91         22.13GVEU165V00
         K13U00K  C2023 10 20.08915921 56 23.788+23 40 37.02         22.37GVEU165V00
         K13U00K  C2023 10 20.10016221 56 25.249+23 40 37.74         22.35GVEU165V00
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  Measurers B. Gray, D.
        Rankin, F. C. Shelly.  1.5-m reflector + 10K CCD.
    V00 Kitt Peak-Bok.  Observer R. A. Mastaler.  Measurers M. J. Brucker, C. E.
        Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, H. Groeller, J.
        K. Hogan, R. A. Kowalski, S. M. Larson, C. Lejoly, G. J. Leonard, R. A.
        Mastaler, R. S. McMillan, D. Rankin, R. L. Seaman, A. Serrano, F. C.
        Shelly, K. W. Wierzchos.  2.25-m reflector + 4x4K mosaic CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    181029 G96 0.40- 0.32-    231020 V00 0.51- 0.55-    E2023-P78   -0.15 days
    
    Orbital elements:
    2013 UK                                                  Earth MOID = 0.1831 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 340.17159              (2000.0)            P               Q                  
    n   0.39328884     Peri.  125.95714     +0.84724140     -0.51622374             
    a   1.8449940      Node   265.43314     +0.43788639     +0.81221299             
    e   0.3793497      Incl.    7.21997     +0.30072832     +0.27170409             
    P   2.51           H   23.27          G   0.15           U   1                  
    Residuals in seconds of arc
    131017 G96  0.1-  0.4+    131018 G96  0.1+  0.4-    131101 291  0.3-  0.2+
    131017 G96  0.2-  0.1+    131018 G96  0.2-  0.4-    131109 H21  0.2+  0.4+
    131017 G96  0.2-  0.6+    131018 G96  0.8+  0.4+    131109 H21  0.5+  0.1-
    131017 G96  0.8+  0.4-    131022 291  0.2+  0.2+    131110 H21  0.0   0.2+
    131017 G96  0.0   0.4+    131022 291  0.0   0.1+    131110 H21  0.2-  0.2-
    131017 G96  0.3+  0.4+    131022 291  0.0   0.4+    131110 H21  0.1-  0.0
    131017 G96  0.1+  0.1-    131023 291  0.2+  0.5-    131203 F51  0.1-  0.0
    131018 G96  0.0   0.8+    131023 291  0.2-  0.1+    131203 F51  0.0   0.2-
    131018 G96  0.1+  0.2-    131023 291  0.1-  0.3+    131203 F51  0.2+  0.1-
    131018 G96  0.1+  0.4+    131024 926  0.2+  0.0     131203 F51  0.1-  0.2-
    131018 G96  0.4-  0.1-    131024 926  0.1+  0.0     181029 G96  1.0+  0.9-
    131018 G96  0.8-  0.2-    131024 926  0.1-  0.1-    181029 G96  0.3-  0.0
    131018 G96  0.4-  0.6-    131026 926  0.4-  0.2+    181029 G96  0.1-  0.3+
    131018 G96  0.1+  0.0     131026 926  0.0   0.0     231020 V00  0.1-  0.0
    131018 G96  0.4+  0.2-    131026 926  0.2-  0.0     231020 V00  0.2-  0.1-
    131018 G96  0.5+  0.4-    131101 291  0.2-  0.2+    231020 V00  0.3-  0.1+
    131018 G96  0.7+  0.4-    131101 291  0.3-  0.1+
    
    Ephemeris:
    2013 UK                  a,e,i = 1.84, 0.38, 7                   q = 1.1451
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 09 21    21 25 44.1 +21 35 51   0.2690  1.2177   138.0    33.5    22.2
    ...
    2023 10 06    21 31 51.3 +23 11 51   0.2500  1.1765   130.0    40.6    22.2
    ...
    2023 10 14    21 43 20.7 +23 34 29   0.2431  1.1610   127.2    43.2    22.2
    ...
    2023 10 20    21 56 09.8 +23 40 41   0.2394  1.1527   125.9    44.4    22.2
    2023 10 21    21 58 39.3 +23 40 54   0.2389  1.1517   125.7    44.6    22.2
    2023 10 22    22 01 14.9 +23 40 54   0.2384  1.1506   125.6    44.7    22.2
    ...
    2023 10 28    22 18 52.2 +23 35 54   0.2366  1.1463   125.1    45.2    22.2
    ...
    2023 11 05    22 47 25.9 +23 14 22   0.2372  1.1454   125.3    44.9    22.2
    ...
    2023 11 20    23 52 24.4 +21 44 54   0.2520  1.1582   127.2    42.8    22.3
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-U165
    


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