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  • MPEC 2023-Q117 : 2023 QP4

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    M.P.E.C. 2023-Q117                              Issued 2023 August 24, 15:44 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
    
                                    2023 QP4                                 
    
    
    Observations:
         K23Q04P* C2023 08 18.50400923 48 24.365-12 11 27.03         21.16wXEQ117F51
         K23Q04P  C2023 08 18.51543123 48 24.079-12 10 39.64         21.14wXEQ117F51
         K23Q04P  C2023 08 18.53962323 48 23.486-12 08 59.37         22.12wXEQ117F51
         K23Q04P  C2023 08 18.61174223 48 21.829-12 03 58.30         21.08GVEQ117F51
         K23Q04P 3C2023 08 19.61591123 48 19.006-10 55 48.74         20.88GVEQ117T14
         K23Q04P 3C2023 08 19.61690623 48 18.984-10 55 44.72         20.90GVEQ117T14
         K23Q04P 3C2023 08 19.61789323 48 18.959-10 55 40.69         20.96GVEQ117T14
         K23Q04P KC2023 08 20.30152723 48 17.66 -10 10 54.5          21.5 VuEQ117H21
         K23Q04P KC2023 08 20.30740223 48 17.53 -10 10 31.1          21.2 VuEQ117H21
         K23Q04P KC2023 08 20.31234423 48 17.38 -10 10 11.9          21.0 VuEQ117H21
         K23Q04P 1C2023 08 21.07993 23 48 10.12 -09 21 01.0          21.1 VXEQ117033
         K23Q04P 1C2023 08 21.08241 23 48 10.04 -09 20 51.5          21.6 VXEQ117033
         K23Q04P 1C2023 08 24.10924 23 47 25.87 -06 19 36.0          21.0 VXEQ117033
         K23Q04P 1C2023 08 24.11172 23 47 25.80 -06 19 27.7          21.2 VXEQ117033
         K23Q04P 1C2023 08 24.11421 23 47 25.71 -06 19 18.9          20.8 VXEQ117033
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
        Hoegner, F. Ludwig, M. Hartmann, B. Stecklum.  Measurer B. Stecklum.
        1.34-m f/3 Schmidt + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
        Schultz, I. Smith, K. Chambers.  Measurers K. Chambers, T. de Boer, J.
        Bulger, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P.
        Minguez, Y. Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk, S.
        Chastel.  1.8-m Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
    T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, H.
        Januszewski, T. Burdullis.  Measurers R. Weryk, R. Wainscoat.  3.6-m
        Canada-France-Hawaii Telescope + CCD.
    
    Orbital elements:
    2023 QP4                                                 Earth MOID = 0.1130 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
    M  15.54271              (2000.0)            P               Q                  
    n   0.30881417     Peri.  324.36048     +0.54833077     +0.83509835             
    a   2.1677269      Node   338.78452     -0.73624445     +0.45707481             
    e   0.4892767      Incl.    6.99847     -0.39658223     +0.30609372             
    P   3.19           H   23.94          G   0.15           U   9                  
    Residuals in seconds of arc
    230818 F51  0.0   0.1+    230819 T14  0.0   0.0     230821 033  0.2+  0.1-
    230818 F51  0.1-  0.1+    230819 T14  0.0   0.0     230821 033  0.1-  0.0
    230818 F51  0.1-  0.2-    230820 H21  0.2-  0.4-    230824 033  0.2-  0.0
    230818 F51  0.1-  0.0     230820 H21  0.2+  0.1+    230824 033  0.0   0.1-
    230819 T14  0.0   0.0     230820 H21  0.1-  0.0     230824 033  0.2-  0.2+
    
    Ephemeris:
    2023 QP4                 a,e,i = 2.17, 0.49, 7                   q = 1.1071
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 07 25    23 11 29.7 -47 59 59   0.1246  1.1071   134.7    40.7    21.2
    ...
    2023 08 09    23 44 32.6 -24 46 29   0.1294  1.1208   143.6    32.4    21.1
    ...
    2023 08 17    23 48 19.5 -13 57 41   0.1431  1.1385   149.7    26.7    21.2
    ...
    2023 08 23    23 47 46.0 -07 22 53   0.1580  1.1561   154.5    22.1    21.3
    2023 08 24    23 47 28.9 -06 25 04   0.1609  1.1593   155.3    21.4    21.3
    2023 08 25    23 47 09.3 -05 29 30   0.1639  1.1627   156.1    20.6    21.4
    ...
    2023 08 31    23 44 30.1 -00 40 53   0.1837  1.1847   160.8    16.2    21.5
    ...
    2023 09 08    23 39 57.0 +03 57 25   0.2158  1.2186   166.6    11.1    21.7
    ...
    2023 09 23    23 32 27.5 +08 40 12   0.2942  1.2938   169.1     8.4    22.4
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-Q117
    


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