• MPC Preparation (Info)

  • MPEC 2017-A52 : 2017 AC5

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2017-A51 Read MPEC 2017-A53


    M.P.E.C. 2017-A52                                Issued 2017 Jan. 7, 20:54 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 AC5
    
    Observations:
         K17A05C* C2017 01 03.53887 09 56 08.168-06 48 13.20         21.8 wLEA052F51
         K17A05C  C2017 01 03.54956 09 56 08.858-06 48 20.38         21.6 wLEA052F51
         K17A05C  C2017 01 03.56026 09 56 09.528-06 48 27.52         21.4 wLEA052F51
         K17A05C  C2017 01 04.52438 09 57 14.721-06 59 07.29         22.0 wLEA052F51
         K17A05C  C2017 01 04.56164 09 57 17.053-06 59 32.04         21.5 wLEA052F51
         K17A05C "C2017 01 05.49745409 58 19.36 -07 09 46.2          21.1 RtEA052705
         K17A05C "C2017 01 05.49847209 58 19.39 -07 09 46.6          21.3 RtEA052705
         K17A05C "C2017 01 05.49948809 58 19.45 -07 09 47.9          21.0 RtEA052705
         K17A05C KC2017 01 07.32833 10 00 21.11 -07 29 18.0                oEA052291
         K17A05C KC2017 01 07.33265 10 00 21.38 -07 29 20.6                oEA052291
         K17A05C KC2017 01 07.33698 10 00 21.62 -07 29 23.5                oEA052291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer M. T. Read.  1.8-m f/2.7 reflector + CCD.
    705 Apache Point.  Observers K. Nault, M. Hammergren, M. Brucker.  Measurer
        K. Nault.  3.5-m f/10 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
        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.
    
    Orbital elements:
    2017 AC5                                                 Earth MOID = 0.2169 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 346.17481              (2000.0)            P               Q
    n   0.26091760     Peri.   21.03023     -0.95815806     +0.28582739
    a   2.4254955      Node   175.49353     -0.28251313     -0.93569327
    e   0.5025805      Incl.   11.27092     -0.04603750     -0.20683524
    P   3.78           H   19.8           G   0.15           U   7
    Residuals in seconds of arc
    170103 F51  0.1-  0.0     170104 F51  0.0   0.0     170107 291  0.1+  0.1-
    170103 F51  0.1+  0.0     170105 705  0.3+  0.0     170107 291  0.2+  0.1+
    170103 F51  0.0   0.0     170105 705  0.2-  0.3+    170107 291  0.3-  0.1-
    170104 F51  0.1+  0.1+    170105 705  0.2-  0.4-
    
    Ephemeris:
    2017 AC5                 a,e,i = 2.43, 0.50, 11                  q = 1.2065
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 12 08    09 22 49.8 -01 23 59   1.1200  1.7429   111.6    31.7    22.6
    ...
    2016 12 23    09 42 27.0 -04 31 50   0.9157  1.6476   120.3    31.0    22.0
    ...
    2016 12 31    09 52 04.6 -06 07 50   0.8155  1.5977   125.0    30.3    21.7
    ...
    2017 01 06    09 58 53.0 -07 15 03   0.7449  1.5609   128.6    29.5    21.4
    2017 01 07    09 59 59.1 -07 25 43   0.7335  1.5548   129.2    29.3    21.4
    2017 01 08    10 01 04.6 -07 36 11   0.7222  1.5487   129.8    29.2    21.3
    ...
    2017 01 14    10 07 26.2 -08 34 33   0.6569  1.5129   133.5    28.1    21.0
    ...
    2017 01 22    10 15 25.4 -09 36 50   0.5761  1.4666   138.6    26.4    20.6
    ...
    2017 02 06    10 29 18.5 -10 16 56   0.4452  1.3857   148.6    21.7    19.8
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-A52
    

    Read MPEC 2017-A51 Read MPEC 2017-A53


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)