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  • MPEC 2021-P164 : 2021 PA10

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    M.P.E.C. 2021-P164                              Issued 2021 August 14, 22:23 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 PA10                                
    
    
    Observations:
         K21P10A* C2021 08 09.46979922 29 10.582-23 31 49.90         21.77wUEP164F51
         K21P10A  C2021 08 09.49240722 29 08.368-23 33 06.39         21.51wUEP164F51
         K21P10A  C2021 08 09.50371622 29 07.259-23 33 44.45         21.51wUEP164F51
         K21P10A  C2021 08 09.61950922 28 55.934-23 40 15.68         21.66GVEP164F51
         K21P10A  C2021 08 09.62016322 28 55.874-23 40 17.79         21.31GVEP164F51
         K21P10A ^C2021 08 10.50528822 27 34.064-24 33 00.07         21.37GVEP164568
         K21P10A ^C2021 08 10.50630422 27 33.950-24 33 03.90         21.43GVEP164568
         K21P10A ^C2021 08 10.50728422 27 33.840-24 33 07.49         21.30GVEP164568
         K21P10A KC2021 08 14.45513522 18 48.83 -29 32 10.6          19.6 GVEP164474
         K21P10A KC2021 08 14.45869222 18 48.20 -29 32 30.7          20.3 GVEP164474
         K21P10A KC2021 08 14.46224722 18 47.55 -29 32 50.8          20.9 GVEP164474
         K21P10A KC2021 08 14.46580222 18 46.91 -29 33 10.9          20.5 GVEP164474
    
    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.
    568 Mauna Kea.  Observers R. Wainscoat, H. Januszewski, T. Burdullis.
        Measurers R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope +
        CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
        Smith, K. Chambers.  Measurers K. Chambers, S. Chastel, T. de Boer, J.
        Fairlamb, H. Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R.
        Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    
    Orbital elements:
    2021 PA10                                                Earth MOID = 0.0809 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Bell                    
    M 330.12515              (2000.0)            P               Q                  
    n   0.30040314     Peri.  329.95164     +0.04989169     -0.99110412             
    a   2.2080034      Node   116.94211     +0.94169815     +0.00552424             
    e   0.8376280      Incl.    7.95557     +0.33273926     +0.13297407             
    P   3.28           H   22.67          G   0.15           U   9                  
    Residuals in seconds of arc
    210809 F51  0.2-  0.0     210809 F51  0.1+  0.0     210814 474  0.5-  0.3+
    210809 F51  0.0   0.0     210810 568  0.0   0.0     210814 474  0.1-  0.1+
    210809 F51  0.0   0.1+    210810 568  0.0   0.0     210814 474  0.1+  0.1-
    210809 F51  0.1+  0.1-    210810 568  0.0   0.0     210814 474  0.4+  0.3-
    
    Ephemeris:
    2021 PA10                a,e,i = 2.21, 0.84, 8                   q = 0.3585
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 07 15    22 35 37.9 -13 20 34   0.7639  1.6577   136.8    24.8    24.3
    ...
    2021 07 30    22 36 56.4 -17 01 22   0.4909  1.4651   151.4    19.4    22.9
    ...
    2021 08 07    22 32 11.4 -21 26 54   0.3583  1.3555   159.4    15.3    21.9
    ...
    2021 08 13    22 22 37.5 -27 27 40   0.2666  1.2699   162.4    13.9    21.1
    2021 08 14    22 20 05.1 -28 51 14   0.2521  1.2553   162.1    14.4    21.0
    2021 08 15    22 17 07.8 -30 24 11   0.2379  1.2406   161.4    15.1    20.9
    ...
    2021 08 21    21 42 16.2 -44 33 04   0.1611  1.1507   147.4    28.2    20.3
    ...
    2021 08 29    15 47 35.2 -68 15 54   0.1108  1.0255    94.9    78.9    20.7
    ...
    2021 09 13    11 36 39.8 -17 43 25   0.2571  0.7736    21.9   151.0    27.8
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-P164
    


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