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  • MPEC 2023-Q119 : 2023 QR4

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    M.P.E.C. 2023-Q119                              Issued 2023 August 24, 15:46 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 QR4                                 
    
    
    Observations:
         K23Q04R* C2023 08 21.25774017 36 51.060+04 17 49.61         21.26wXEQ119F52
         K23Q04R  C2023 08 21.26737217 36 55.215+04 17 05.64         21.28wXEQ119F52
         K23Q04R  C2023 08 21.28673117 37 03.690+04 15 36.90         21.08wXEQ119F52
         K23Q04R  C2023 08 21.39688517 37 52.478+04 07 09.33         21.56GVEQ119F51
         K23Q04R 1C2023 08 21.95612 17 42 21.46 +03 22 51.4          22.2 VXEQ119033
         K23Q04R 1C2023 08 21.95797 17 42 22.36 +03 22 42.4          22.1 VXEQ119033
         K23Q04R KC2023 08 24.07723418 00 44.24 +00 23 56.9          21.4 VuEQ119H21
         K23Q04R KC2023 08 24.08845718 00 50.13 +00 22 56.7          21.5 VuEQ119H21
         K23Q04R KC2023 08 24.09406918 00 53.06 +00 22 26.6          21.2 VuEQ119H21
         K23Q04R KC2023 08 24.09827818 00 55.28 +00 22 04.0          21.3 VuEQ119H21
    
    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, K. Chambers, T. Lowe, P.
        Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M.
        Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien +
        CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
        Schultz, I. Smith.  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.  1.8-m Ritchey-
        Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.
    
    Orbital elements:
    2023 QR4                                                 Earth MOID = 0.0609 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
    M   8.98029              (2000.0)            P               Q                  
    n   0.32018014     Peri.  158.01459     +0.73142164     +0.67912280             
    a   2.1161175      Node   158.82406     -0.64835334     +0.72062264             
    e   0.5007576      Incl.    9.84463     -0.21132990     +0.13962536             
    P   3.08           H   24.10          G   0.15           U   9                  
    Residuals in seconds of arc
    230821 F52  0.3+  0.2-    230821 033  0.0   0.3+    230824 H21  0.0   0.0
    230821 F52  0.3-  0.1-    230821 033  0.3+  0.2+    230824 H21  0.3+  0.0
    230821 F52  0.1+  0.2-    230824 H21  0.3-  0.0
    230821 F51  0.1-  0.2+    230824 H21  0.1+  0.0
    
    Ephemeris:
    2023 QR4                 a,e,i = 2.12, 0.50, 10                  q = 1.0565
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 07 25    15 53 16.2 +20 14 26   0.2103  1.0876   104.5    64.8    23.2
    ...
    2023 08 09    16 29 43.2 +14 55 55   0.1517  1.0596   103.4    68.5    22.5
    ...
    2023 08 17    17 07 38.0 +09 01 44   0.1219  1.0565   107.9    65.8    22.0
    ...
    2023 08 23    17 51 08.6 +01 58 29   0.1033  1.0597   115.3    59.6    21.4
    2023 08 24    18 00 01.5 +00 31 49   0.1008  1.0607   116.9    58.2    21.3
    2023 08 25    18 09 24.9 -00 59 22   0.09855 1.0618   118.7    56.6    21.2
    ...
    2023 08 31    19 16 07.7 -11 12 54   0.09060 1.0713   131.0    45.3    20.8
    ...
    2023 09 08    20 59 24.7 -23 10 09   0.09908 1.0908   145.5    31.6    20.6
    ...
    2023 09 23    23 14 03.5 -28 57 15   0.1618  1.1460   149.4    26.4    21.6
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-Q119
    


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