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  • MPEC 2021-M44 : 2021 LK9

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    M.P.E.C. 2021-M44                                 Issued 2021 June 18, 04:17 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  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 LK9                                 
    
    
    Observations:
         K21L09K*KC2021 06 14.26926 20 57 17.06 -47 53 54.2          19.9 GVEM044W94
         K21L09K KC2021 06 14.27494 20 57 21.04 -47 53 44.2          20.0 GVEM044W94
         K21L09K KC2021 06 14.28059 20 57 25.06 -47 53 33.9          20.3 GVEM044W94
         K21L09K KC2021 06 14.56994421 01 21.60 -47 41 13.2          20.7 GVEM044474
         K21L09K KC2021 06 14.57234421 01 23.43 -47 41 08.7          20.3 GVEM044474
         K21L09K KC2021 06 14.57354421 01 24.35 -47 41 05.7          20.9 GVEM044474
         K21L09K KC2021 06 14.57594221 01 26.14 -47 41 00.8          20.8 GVEM044474
         K21L09K KC2021 06 15.36971 21 13 29.63 -47 03 38.5                VEM044W95
         K21L09K KC2021 06 15.37506 21 13 34.48 -47 03 18.3          19.5 GVEM044W95
         K21L09K KC2021 06 15.38040 21 13 39.27 -47 02 58.4                VEM044W95
         K21L09K KC2021 06 17.40460 22 00 09.37 -43 34 43.7          19.8 GVEM044W95
         K21L09K KC2021 06 17.40993 22 00 18.30 -43 33 47.6          19.6 GVEM044W95
         K21L09K KC2021 06 17.41524 22 00 27.23 -43 32 51.3          19.8 GVEM044W95
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
        Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    W94 MAP, San Pedro de Atacama.  Observers A. Maury, G. Attard.  Measurers A.
        Maury, G. Attard, D. Parrott.  0.28-m f/2.2 Schmidt + CCD.
    W95 Observatorio Panameno, San Pedro de Atacama.  Observers A. Maury, G.
        Attard, J. Fabrega.  Measurers A. Maury, G. Attard, D. Parrott.  0.40-m
        f/3.8 reflector + CCD.
    
    Orbital elements:
    2021 LK9                                                 Earth MOID = 0.0042 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Bell                    
    M 295.07242              (2000.0)            P               Q                  
    n   1.03538028     Peri.  115.93727     +0.87329493     -0.44701203             
    a   0.9676897      Node   271.14704     +0.34809992     +0.85073553             
    e   0.3302636      Incl.   11.17355     +0.34085540     +0.27645849             
    P   0.95           H   25.47          G   0.15           U   8                  
    Residuals in seconds of arc
    210614 W94  1.9-  1.1+    210614 474  0.1+  0.1+    210617 W95  0.2+  0.2+
    210614 W94  0.9-  0.6+    210614 474  0.4-  0.0     210617 W95  0.1-  0.1+
    210614 W94  0.8+  0.3+    210615 W95  0.0   0.6-    210617 W95  0.2-  0.0
    210614 474  0.3+  0.1+    210615 W95  0.1+  0.1-
    210614 474  0.2+  0.4-    210615 W95  0.4-  0.0
    
    Ephemeris:
    2021 LK9                 a,e,i = 0.97, 0.33, 11                  q = 0.6481
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 05 19    19 19 41.6 -48 19 22   0.2285  1.1668   128.2    43.0    24.3
    ...
    2021 06 03    19 52 03.4 -49 14 07   0.1233  1.1039   134.3    41.1    22.8
    ...
    2021 06 11    20 26 23.8 -48 57 19   0.06958 1.0655   134.7    42.6    21.5
    ...
    2021 06 17    21 48 36.1 -44 34 45   0.03121 1.0346   126.0    52.6    20.0
    2021 06 18    22 20 13.9 -41 30 55   0.02537 1.0293   120.9    57.9    19.6
    2021 06 19    23 03 28.5 -35 47 25   0.02005 1.0239   112.4    66.5    19.4
    ...
    2021 06 25    04 44 43.0 +41 22 25   0.02856 0.9909    26.0   153.3    26.8
    ...
    2021 07 03    06 22 10.9 +48 01 32   0.08054 0.9447    25.6   152.3    28.8
    ...
    2021 07 18    06 56 13.6 +46 51 17   0.1889  0.8540    27.9   146.1    29.3
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-M44
    


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