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  • MPEC 2023-R203 : 2023 RG9

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    M.P.E.C. 2023-R203                           Issued 2023 September 15, 00:08 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 RG9                                 
    
    
    Observations:
         K23R09G  C2023 09 10.52693603 01 25.006+01 57 24.84         20.57GVER203F52
         K23R09G  C2023 09 10.53855203 01 24.608+02 00 47.64         20.71GVER203F52
         K23R09G  C2023 09 10.54789703 01 24.268+02 03 31.37         20.48GVER203F51
         K23R09G  C2023 09 10.57235303 01 23.336+02 10 39.39         21.06GVER203F51
         K23R09G*KC2023 09 14.04007 03 03 47.81 +19 05 08.0          19.8 GXER203L51
         K23R09G KC2023 09 14.04170 03 03 47.78 +19 05 36.3          19.9 GXER203L51
         K23R09G KC2023 09 14.04331 03 03 47.71 +19 06 03.8          19.9 GXER203L51
         K23R09G 1C2023 09 14.13295 03 03 48.80 +19 31 16.7          20.6 VXER203033
         K23R09G 1C2023 09 14.13341 03 03 48.83 +19 31 24.5          20.8 VXER203033
         K23R09G 1C2023 09 14.13387 03 03 48.80 +19 31 31.8          21.1 VXER203033
         K23R09G 1C2023 09 14.13481 03 03 48.78 +19 31 48.5          21.0 VXER203033
         K23R09G 1C2023 09 14.13528 03 03 48.76 +19 31 56.9          21.2 VXER203033
         K23R09G 1C2023 09 14.13575 03 03 48.73 +19 32 04.6          20.7 VXER203033
         K23R09G KC2023 09 14.91900 03 04 23.11 +23 12 19.4          20.1 GXER203L51
         K23R09G KC2023 09 14.92329 03 04 22.95 +23 13 31.9          20.3 GXER203L51
         K23R09G KC2023 09 14.92756 03 04 22.86 +23 14 44.5          20.5 GXER203L51
    
    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. Dukes, 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.  1.8-m
        Ritchey-Chretien + CCD.
    L51 MARGO, Nauchnyi.  Observer G. Borisov.  0.50-m f/1.9 reflector + CCD.
    
    Orbital elements:
    2023 RG9                                                 Earth MOID = 0.0214 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 355.00396              (2000.0)            P               Q                  
    n   0.72617325     Peri.    6.35439     +0.99942219     +0.02487804             
    a   1.2258647      Node   352.10800     -0.03348586     +0.83752969             
    e   0.1627852      Incl.    9.71055     +0.00582922     +0.54582516             
    P   1.36           H   25.70          G   0.15           U   8                  
    Residuals in seconds of arc
    230910 F52  0.0   0.1+    230914 L51  0.2+  0.1+    230914 033  0.4-  0.4-
    230910 F52  0.0   0.2-    230914 033  0.6-  0.5-    230914 L51  0.7+  0.1-
    230910 F51  0.1-  0.0     230914 033  0.1+  0.6-    230914 L51  0.4-  0.1-
    230910 F51  0.0   0.2+    230914 033  0.2-  1.1-    230914 L51  0.3-  0.3+
    230914 L51  0.2-  0.0     230914 033  0.0   0.4-
    230914 L51  0.3+  0.3+    230914 033  0.1-  0.1-
    
    Ephemeris:
    2023 RG9                 a,e,i = 1.23, 0.16, 10                  q = 1.0263
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 08 16    02 19 23.4 -57 20 56   0.09519 1.0530   112.5    62.7    22.9
    ...
    2023 08 31    02 48 54.2 -36 48 18   0.05473 1.0352   116.5    60.8    21.6
    ...
    2023 09 08    02 58 59.4 -09 48 05   0.04037 1.0295   121.7    56.4    20.8
    ...
    2023 09 14    03 03 45.4 +18 55 04   0.03875 1.0271   121.8    56.4    20.7
    2023 09 15    03 04 16.8 +23 36 10   0.03943 1.0269   121.1    57.0    20.8
    2023 09 16    03 04 43.2 +28 05 28   0.04037 1.0267   120.4    57.7    20.9
    ...
    2023 09 22    03 05 29.7 +49 33 17   0.05016 1.0264   115.3    62.2    21.5
    ...
    2023 09 30    03 00 52.2 +65 32 09   0.06935 1.0286   111.0    65.4    22.3
    ...
    2023 10 15    02 25 09.6 +77 27 48   0.1094  1.0403   110.2    64.1    23.3
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R203
    


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