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  • MPEC 2015-C78 : 2015 CH13

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    M.P.E.C. 2015-C78                                Issued 2015 Feb. 14, 20:48 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 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
    
                                       2015 CH13
    
    Observations:
         K15C13H* C2015 02 12.34647 09 33 35.701+25 08 12.02         19.5 wLEC078F51
         K15C13H  C2015 02 12.35871 09 33 56.433+25 03 46.87         19.3 wLEC078F51
         K15C13H  C2015 02 12.37090 09 34 16.421+24 59 26.52         19.3 wLEC078F51
         K15C13H  C2015 02 12.38323 09 34 36.086+24 55 06.78         19.6 wLEC078F51
         K15C13H KC2015 02 13.30448809 50 18.14 +21 44 16.2          20.5 VuEC078H21
         K15C13H KC2015 02 13.31301909 50 21.68 +21 43 15.7          20.4 VuEC078H21
         K15C13H KC2015 02 13.32166809 50 25.27 +21 42 14.3          20.2 VuEC078H21
         K15C13H KC2015 02 14.28417 09 56 46.55 +20 28 42.5          20.0 RoEC078291
         K15C13H KC2015 02 14.28869 09 56 47.15 +20 28 28.7          20.4 RoEC078291
         K15C13H KC2015 02 14.29322 09 56 47.74 +20 28 14.7          20.1 RoEC078291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, N. Primak,
        A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
        H. Flewelling, M. Huber, E. Magnier, E. Schunova, R. Wainscoat, C. Waters,
        R. Weryk, P. Veres.  1.8-m Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, L. Buzzi, S. Foglia, T. Vorobjov.  0.81-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
    2015 CH13                                                Earth MOID = 0.0006 AU
    Epoch 2014 Dec. 9.0 TT = JDT 2457000.5                  MPC
    M 352.05361              (2000.0)            P               Q
    n   0.49439921     Peri.  282.91170     +0.43689633     -0.89891932
    a   1.5839843      Node   141.12952     +0.84414218     +0.39719695
    e   0.5518015      Incl.    2.98174     +0.31071785     +0.18487465
    P   1.99           H   28.6           G   0.15           U   6
    Residuals in seconds of arc
    150212 F51  0.0   0.0     150213 H21  0.3-  0.1+    150214 291  0.0   0.0
    150212 F51  0.1+  0.1-    150213 H21  0.0   0.1+    150214 291  0.1-  0.1-
    150212 F51  0.2-  0.1-    150213 H21  0.4+  0.1-
    150212 F51  0.1+  0.1+    150214 291  0.0   0.0
    
    Ephemeris:
    2015 CH13                a,e,i = 1.58, 0.55, 3                   q = 0.7099
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 01 15    21 57 43.4 -18 09 09   0.2571  0.7758    31.4   138.7    31.8
    ...
    2015 01 30    22 09 14.1 -17 32 06   0.1094  0.8825    19.3   158.3    33.9
    ...
    2015 02 07    22 16 22.1 -16 16 08   0.03757 0.9497    13.5   166.0
    ...
    2015 02 13    09 47 00.3 +22 27 53   0.01540 1.0024   171.1     8.7    20.1
    2015 02 14    09 55 20.5 +20 46 42   0.02415 1.0114   172.3     7.5    21.1
    2015 02 15    09 59 09.3 +19 58 39   0.03294 1.0203   172.8     7.0    21.8
    ...
    2015 02 21    10 05 25.0 +18 32 58   0.08633 1.0744   171.9     7.4    24.0
    ...
    2015 03 01    10 07 33.2 +17 56 59   0.1603  1.1470   166.3    11.8    25.6
    ...
    2015 03 16    10 11 56.4 +16 57 13   0.3122  1.2815   153.5    20.3    27.6
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-C78
    

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