• MPC Preparation (Info)

  • MPEC 2017-U304: 2017 UJ44

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    M.P.E.C. 2017-U304                               Issued 2017 Oct. 31, 22:10 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
    
                                       2017 UJ44
    
    Observations:
         K17U44J* C2017 10 28.50482 03 15 01.975+04 16 18.92         21.5 wLEU304F51
         K17U44J  C2017 10 28.51682 03 15 06.534+04 17 02.24         21.5 wLEU304F51
         K17U44J  C2017 10 28.52876 03 15 11.115+04 17 45.38         21.4 wLEU304F51
         K17U44J  C2017 10 28.54070 03 15 15.649+04 18 28.09         21.5 wLEU304F51
         K17U44J KC2017 10 29.25753 03 20 19.36 +05 01 23.7          21.0 RoEU304291
         K17U44J KC2017 10 29.26157 03 20 20.90 +05 01 38.3          21.2 RoEU304291
         K17U44J KC2017 10 29.26561 03 20 22.47 +05 01 53.1          21.3 RoEU304291
         K17U44J  C2017 10 29.36384 03 20 59.97 +05 07 49.9          21.2 RoEU304926
         K17U44J  C2017 10 29.36928 03 21 02.08 +05 08 09.8          21.3 RoEU304926
         K17U44J  C2017 10 29.37475 03 21 04.15 +05 08 29.7          21.3 RoEU304926
         K17U44J KC2017 10 31.24761003 33 57.44 +07 00 43.5          21.8 VuEU304H21
         K17U44J KC2017 10 31.25412403 33 59.89 +07 01 06.7          21.7 VuEU304H21
         K17U44J KC2017 10 31.26179403 34 02.81 +07 01 34.5          21.6 VuEU304H21
    
    Observer details:
    291 LPL/Spacewatch II.  Observer M. J. Brucker.  1.8-m f/2.7 reflector + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
        M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk.  1.8-m
        Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
    2017 UJ44                                                Earth MOID = 0.0917 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 343.84120              (2000.0)            P               Q
    n   0.28129500     Peri.  335.66607     +0.77435364     -0.63158880
    a   2.3068961      Node    63.55677     +0.58733691     +0.69489402
    e   0.5310818      Incl.    2.45588     +0.23539711     +0.34382828
    P   3.50           H   25.5           G   0.15           U   7
    Residuals in seconds of arc
    171028 F51  0.1+  0.1-    171029 291  0.2-  0.1-    171031 H21  0.0   0.0
    171028 F51  0.1-  0.0     171029 291  0.0   0.0     171031 H21  0.2-  0.2-
    171028 F51  0.2+  0.2+    171029 926  0.2-  0.0     171031 H21  0.2+  0.1+
    171028 F51  0.3-  0.1-    171029 926  0.3+  0.2+
    171029 291  0.1+  0.0     171029 926  0.1+  0.4+
    
    Ephemeris:
    2017 UJ44                a,e,i = 2.31, 0.53, 2                   q = 1.0817
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 01    00 44 07.6 -12 55 53   0.1453  1.1413   163.5    14.4    22.4
    ...
    2017 10 16    01 52 25.0 -06 43 51   0.1048  1.0976   162.9    15.5    21.7
    ...
    2017 10 24    02 43 48.4 -00 08 49   0.09456 1.0854   162.8    15.7    21.4
    ...
    2017 10 30    03 25 23.8 +05 46 47   0.09326 1.0818   161.3    17.1    21.4
    2017 10 31    03 32 14.9 +06 46 44   0.09359 1.0817   161.0    17.4    21.4
    2017 11 01    03 39 01.4 +07 46 10   0.09407 1.0817   160.6    17.7    21.5
    ...
    2017 11 07    04 17 03.7 +13 19 13   0.09996 1.0846   158.3    19.7    21.7
    ...
    2017 11 15    04 57 35.5 +19 07 44   0.1147  1.0957   157.1    20.6    22.0
    ...
    2017 11 30    05 40 53.9 +25 25 54   0.1583  1.1378   161.9    15.6    22.6
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U304
    

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