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  • MPEC 2023-R137 : 2023 RU4

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    M.P.E.C. 2023-R137                           Issued 2023 September 11, 16:28 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 RU4                                 
    
    
    Observations:
         K23R04U* C2023 09 08.46400801 53 04.454+24 00 34.96         21.74wXER137F51
         K23R04U  C2023 09 08.47644701 53 05.910+24 00 25.24         21.85wXER137F51
         K23R04U  C2023 09 08.48897101 53 07.355+24 00 15.44         22.02wXER137F51
         K23R04U  C2023 09 08.50178801 53 08.832+24 00 05.49         21.96wXER137F51
         K23R04U  C2023 09 08.60276501 53 20.484+23 58 44.37         21.37GVER137F51
         K23R04U  C2023 09 08.60358101 53 20.585+23 58 43.78         21.32GVER137F51
         K23R04U KC2023 09 09.07250 01 54 18.70 +23 52 11.6                VER137204
         K23R04U KC2023 09 09.09646 01 54 21.52 +23 51 51.7                VER137204
         K23R04U KC2023 09 09.12043 01 54 24.34 +23 51 31.5          21.4 GVER137204
         K23R04U 1C2023 09 11.07407 01 58 26.58 +23 21 56.7          21.3 VXER137033
         K23R04U 1C2023 09 11.07766 01 58 26.98 +23 21 53.4          21.0 VXER137033
         K23R04U 1C2023 09 11.08124 01 58 27.40 +23 21 50.0          21.3 VXER137033
    
    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.
    204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5
        reflector + 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.
    
    Orbital elements:
    2023 RU4                                                 Earth MOID = 0.2206 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Alexandersen            
    M 319.49935              (2000.0)            P               Q                  
    n   0.44759274     Peri.  249.11403     +0.14437928     -0.98653577             
    a   1.6925728      Node   193.29852     +0.98566901     +0.15022788             
    e   0.3690278      Incl.   19.51043     +0.08724236     -0.06464339             
    P   2.20           H   21.02          G   0.15           U   9                  
    Residuals in seconds of arc
    230908 F51  0.0   0.1+    230908 F51  0.1-  0.0     230909 204  0.0   0.0
    230908 F51  0.1+  0.0     230908 F51  0.0   0.1+    230911 033  0.3+  0.1-
    230908 F51  0.0   0.0     230909 204  0.1-  0.2-    230911 033  0.1-  0.1+
    230908 F51  0.0   0.1+    230909 204  0.0   0.0     230911 033  0.2-  0.2+
    
    Ephemeris:
    2023 RU4                 a,e,i = 1.69, 0.37, 20                  q = 1.0680
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 08 12    01 00 46.7 +25 14 03   0.8145  1.5338   113.6    37.3    23.0
    ...
    2023 08 27    01 28 29.6 +25 34 13   0.6420  1.4553   121.8    36.2    22.3
    ...
    2023 09 04    01 44 03.7 +24 49 33   0.5567  1.4133   126.6    34.9    21.9
    ...
    2023 09 10    01 56 13.0 +23 38 54   0.4965  1.3821   130.5    33.7    21.6
    2023 09 11    01 58 17.2 +23 23 18   0.4868  1.3769   131.1    33.4    21.5
    2023 09 12    02 00 22.2 +23 06 29   0.4773  1.3717   131.8    33.2    21.5
    ...
    2023 09 18    02 13 11.1 +20 56 49   0.4222  1.3409   135.9    31.4    21.1
    ...
    2023 09 26    02 31 16.1 +16 29 34   0.3561  1.3008   141.6    28.6    20.6
    ...
    2023 10 11    03 09 12.5 +01 25 00   0.2628  1.2296   148.1    25.4    19.7
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R137
    


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