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  • MPEC 2023-F109 : 2021 LD44

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    M.P.E.C. 2023-F109                               Issued 2023 March 22, 20:27 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
    
                                    2021 LD44                                
    
    
    Additional Observations:
         K21L44D 3C2020 05 26.44301 19 08 45.933-20 48 45.71         24.8 rVEF109266
         K21L44D 3C2020 05 26.50149 19 08 45.704-20 48 45.99         24.8 rVEF109266
         K21L44D 3C2020 05 26.55599 19 08 45.489-20 48 46.23         24.8 rVEF109266
         K21L44D 3C2020 05 29.44698 19 08 34.090-20 48 59.81         24.2 rVEF109266
         K21L44D 3C2020 05 29.53371 19 08 33.731-20 49 00.24         24.2 rVEF109266
         K21L44D 3C2020 05 29.61905 19 08 33.377-20 49 00.65         24.2 rVEF109266
         K21L44D 3C2020 05 31.44139 19 08 25.888-20 49 09.81         24.2 rVEF109266
         K21L44D 3C2020 05 31.52961 19 08 25.511-20 49 10.28         24.2 rVEF109266
         K21L44D 3C2020 05 31.61814 19 08 25.132-20 49 10.73         24.2 rVEF109266
    
    Observer details:
    266 New Horizons KBO Search-Subaru.  Observers J. J. Kavelaars, W. E. Fraser,
        S. B. Porter, T. Terai, A. Verbiscer, F. Yoshida.  Measurers R. Leiva, J.
        Spencer, T. Lauer, S. Benecchi, K. Singer, F. Glass, M. Skrutskie, A.
        Alexander, P. Hong, H. Reitsema, E. Lin, P. Lykawka, T. Ito, R. Marschall,
        A. Simpson, M. Banks, R. Ishimaru, T. Holt, M. Postman, C. Olkin, F.
        Yoshida, K. Arimatsu, V. Bray, A. Stern, R. Rufu, H. Throop, C. Ferrell,
        P. Quirico, P. Johnson, R. Elmaarry, D. Gerdes, J. Nunez, P. Schenk, K.
        Runyon, N. Martin, A. Steffl, V. Klein, M. Horanyi, C. Hersman, A. Roos,
        J. Stansberry, A. Rhodens, S. Gwyn.  8.2m Subaru Telescope + CCD.
    
    Orbital elements:
    2021 LD44                                                                       
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Alexandersen            
    M  78.09919              (2000.0)            P               Q                  
    n   0.00398293     Peri.  316.53274     -0.99760613     -0.06616254             
    a  39.4155325      Node   219.68686     +0.06886965     -0.92432402             
    e   0.3018850      Incl.    1.80486     +0.00624295     -0.37582926             
    P 247              H    8.53          G   0.15           U   7                  
    Residuals in seconds of arc
    200526 266  0.0   0.0     200531 266  0.0   0.0     210705 266  0.0   0.0
    200526 266  0.0   0.0     210609 266  0.0   0.0     210705 266  0.1-  0.0
    200526 266  0.0   0.0     210609 266  0.0   0.0     210705 266  0.1-  0.0
    200529 266  0.0   0.0     210609 266  0.0   0.0     210705 266  0.0   0.0
    200529 266  0.0   0.0     210617 266  0.0   0.0     210705 266  0.0   0.0
    200529 266  0.0   0.0     210617 266  0.0   0.0     210906 266  0.0   0.0
    200531 266  0.0   0.0     210617 266  0.0   0.0     210906 266  0.0   0.0
    200531 266  0.0   0.0     210705 266  0.1-  0.0     210906 266  0.0   0.0
    
    Ephemeris:
    2021 LD44                a,e,i = 39.42, 0.30, 2                  q = 27.5166
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 02 20    19 24 11.2 -20 21 25  41.2547 40.5149    41.1     0.9    24.8
    ...
    2023 03 07    19 25 25.9 -20 18 22  41.0753 40.5269    55.9     1.2    24.8
    ...
    2023 03 15    19 25 58.1 -20 16 56  40.9637 40.5333    63.7     1.3    24.8
    ...
    2023 03 21    19 26 18.4 -20 15 59  40.8743 40.5381    69.6     1.3    24.8
    2023 03 22    19 26 21.5 -20 15 50  40.8591 40.5389    70.6     1.3    24.8
    2023 03 23    19 26 24.4 -20 15 42  40.8437 40.5397    71.6     1.3    24.8
    ...
    2023 03 29    19 26 40.1 -20 14 54  40.7496 40.5445    77.5     1.4    24.8
    ...
    2023 04 06    19 26 55.2 -20 14 00  40.6209 40.5509    85.3     1.4    24.8
    ...
    2023 04 21    19 27 05.6 -20 12 58  40.3774 40.5629    99.9     1.4    24.8
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-F109
    


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