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  • MPEC 2023-R81 : 2023 RD2

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    M.P.E.C. 2023-R81                             Issued 2023 September 9, 14:29 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 RD2                                 
    
    
    Observations:
         K23R02D  C2023 08 27.35446522 07 06.541+22 04 34.83         21.67GVER081F51
         K23R02D  C2023 08 27.36483722 07 06.390+22 04 32.77         21.92GVER081F51
         K23R02D  C2023 08 27.37690522 07 06.218+22 04 30.84         21.87GVER081F51
         K23R02D  C2023 08 27.38731422 07 06.056+22 04 28.75         22.20GVER081F51
         K23R02D  C2023 09 03.51286322 07 01.961+21 17 47.03         21.64GVER081F52
         K23R02D  C2023 09 03.52138522 07 01.914+21 17 42.09         22.56GVER081F52
         K23R02D* C2023 09 07.29885222 07 25.620+20 35 56.90         22.17wXER081F52
         K23R02D  C2023 09 07.31154522 07 25.573+20 35 47.72         21.95wXER081F52
         K23R02D  C2023 09 07.32426522 07 25.568+20 35 38.30         21.75wXER081F52
         K23R02D  C2023 09 07.33700222 07 25.515+20 35 29.27         21.89wXER081F52
         K23R02D  C2023 09 07.50421122 07 24.988+20 33 21.13         22.28GVER081F51
         K23R02D  C2023 09 07.50502722 07 24.989+20 33 20.56         22.37GVER081F51
         K23R02D  C2023 09 07.50584222 07 24.980+20 33 19.90         22.12GVER081F51
         K23R02D  C2023 09 07.50665922 07 24.996+20 33 19.39         22.14GVER081F51
         K23R02D KC2023 09 08.39327522 07 33.366+20 21 42.55         21.91GVER081V06
         K23R02D KC2023 09 08.39803822 07 33.355+20 21 38.56         22.30GVER081V06
         K23R02D KC2023 09 08.40280222 07 33.352+20 21 34.56         22.33GVER081V06
         K23R02D KC2023 09 08.40756322 07 33.380+20 21 30.56         22.00GVER081V06
         K23R02D 1C2023 09 09.02196 22 07 40.58 +20 13 04.9          21.8 VXER081033
         K23R02D 1C2023 09 09.02554 22 07 40.61 +20 13 02.0          21.9 VXER081033
         K23R02D 1C2023 09 09.02913 22 07 40.62 +20 12 58.9          21.7 VXER081033
    
    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, K. Chambers, T. Dukes, T.
        Lowe, P. Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J.
        Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers,
        T. de Boer, J. Bulger, H. Gao, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez,
        A. Schultz, I. Smith.  1.8-m Ritchey-Chretien + CCD.
    V06 Catalina Sky Survey-Kuiper.  Observer J. B. Fazekas.  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.
    
    Orbital elements:
    2023 RD2                                                 Earth MOID = 0.2959 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M   6.42252              (2000.0)            P               Q                  
    n   0.47970554     Peri.  106.89287     +0.91956269     +0.38065063             
    a   1.6161670      Node   230.84394     -0.39106333     +0.86228640             
    e   0.2128785      Incl.    7.22457     -0.03839184     +0.33401685             
    P   2.05           H   23.23          G   0.15           U   8                  
    Residuals in seconds of arc
    230827 F51  0.0   0.0     230907 F52  0.2-  0.0     230908 V06  0.3+  0.1+
    230827 F51  0.0   0.2-    230907 F52  0.2+  0.2-    230908 V06  0.0   0.1+
    230827 F51  0.1+  0.1+    230907 F52  0.0   0.0     230908 V06  0.3-  0.1+
    230827 F51  0.0   0.0     230907 F51  0.0   0.2-    230908 V06  0.1-  0.1+
    230903 F52  0.1-  0.1-    230907 F51  0.0   0.1-    230909 033  0.1-  0.0
    230903 F52  0.1+  0.2+    230907 F51  0.1-  0.1-    230909 033  0.1+  0.1+
    230907 F52  0.0   0.1+    230907 F51  0.1+  0.0     230909 033  0.0   0.0
    
    Ephemeris:
    2023 RD2                 a,e,i = 1.62, 0.21, 7                   q = 1.2721
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 08 10    22 07 31.2 +20 49 13   0.3210  1.2803   141.4    29.6    22.6
    ...
    2023 08 25    22 07 13.9 +22 10 10   0.3002  1.2727   146.8    25.8    22.3
    ...
    2023 09 02    22 06 59.8 +21 31 20   0.2961  1.2722   149.0    24.1    22.2
    ...
    2023 09 08    22 07 30.7 +20 27 02   0.2965  1.2735   150.1    23.2    22.2
    2023 09 09    22 07 41.1 +20 13 40   0.2969  1.2738   150.3    23.1    22.2
    2023 09 10    22 07 53.2 +19 59 36   0.2974  1.2742   150.4    23.0    22.2
    ...
    2023 09 16    22 09 47.5 +18 22 15   0.3022  1.2773   150.5    22.8    22.3
    ...
    2023 09 24    22 14 29.2 +15 47 59   0.3140  1.2836   149.3    23.5    22.4
    ...
    2023 10 09    22 30 12.2 +10 43 16   0.3539  1.3014   143.7    27.0    22.8
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R81
    


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