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  • MPEC 2015-P42 : 2015 OU78

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    M.P.E.C. 2015-P42                                Issued 2015 Aug. 12, 20:09 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 OU78
    
    Observations:
         K15O78U  C2015 07 23.55267 00 15 04.774+01 17 50.51         20.9 wLEP042F51
         K15O78U* C2015 07 23.55872 00 15 03.175+01 17 21.51         21.0 wLEP042F51
         K15O78U  C2015 07 23.56456 00 15 01.571+01 16 52.13         20.8 wLEP042F51
         K15O78U  C2015 07 23.57067 00 14 59.955+01 16 22.93         20.8 wLEP042F51
         K15O78U  C2015 07 23.57651 00 14 58.347+01 15 53.59         20.7 wLEP042F51
         K15O78U  C2015 07 23.58265 00 14 56.725+01 15 24.24         20.8 wLEP042F51
         K15O78U KC2015 07 24.32369700 11 54.27 +00 15 30.0          20.6 VuEP042H21
         K15O78U KC2015 07 24.33333300 11 51.77 +00 14 44.1          20.5 VuEP042H21
         K15O78U KC2015 07 24.34447200 11 48.87 +00 13 51.1          20.8 VuEP042H21
         K15O78U |C2015 07 27.29713 00 00 07.52 -03 28 08.5          20.5 VuEP042807
         K15O78U |C2015 07 27.30149 00 00 06.44 -03 28 27.4          20.3 VuEP042807
         K15O78U |C2015 07 27.30605 00 00 05.32 -03 28 47.0          20.8 VuEP042807
         K15O78U  C2015 08 12.50987 23 06 20.193-17 36 58.50         20.7 wLEP042F51
         K15O78U  C2015 08 12.53051 23 06 16.398-17 37 42.04         20.5 wLEP042F51
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
        Ritchey-Chretien + 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. 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.  0.76-m f/3.0
        astrograph + CCD.
    
    Orbital elements:
    2015 OU78                                                Earth MOID = 0.0261 AU
    Epoch 2015 June 27.0 TT = JDT 2457200.5                 MPC
    M  14.83090              (2000.0)            P               Q
    n   0.46228644     Peri.  101.75528     -0.63860982     +0.76076832
    a   1.6565146      Node   127.93065     -0.75077903     -0.58293730
    e   0.5157836      Incl.    8.44213     -0.16884412     -0.28533432
    P   2.13           H   22.2           G   0.15           U   7
    Residuals in seconds of arc
    150723 F51  0.1-  0.2-    150723 F51  0.1+  0.2+    150727 807  0.1-  0.2-
    150723 F51  0.3+  0.4+    150724 H21  0.4+  0.1+    150727 807  0.0   0.2-
    150723 F51  0.2-  0.4-    150724 H21  0.3+  0.2+    150812 F51  0.0   0.0
    150723 F51  0.2+  0.3+    150724 H21  0.2+  0.3+    150812 F51  0.0   0.0
    150723 F51  0.3-  0.5-    150727 807  0.0   0.0
    
    Ephemeris:
    2015 OU78                a,e,i = 1.66, 0.52, 8                   q = 0.8021
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 07 13    01 06 29.3 +18 04 40   0.1455  1.0216    87.9    83.9    21.0
    ...
    2015 07 28    23 57 26.1 -04 18 06   0.1887  1.1382   126.6    45.7    20.6
    ...
    2015 08 05    23 29 17.9 -12 16 35   0.2252  1.2024   143.2    30.4    20.7
    ...
    2015 08 11    23 10 41.3 -16 41 14   0.2586  1.2506   153.7    21.1    20.8
    2015 08 12    23 07 47.6 -17 18 23   0.2647  1.2587   155.2    19.7    20.8
    2015 08 13    23 04 57.5 -17 53 41   0.2709  1.2667   156.7    18.4    20.8
    ...
    2015 08 19    22 49 18.3 -20 49 27   0.3116  1.3146   164.1    12.2    21.0
    ...
    2015 08 27    22 32 19.3 -23 22 13   0.3747  1.3778   166.7     9.7    21.4
    ...
    2015 09 11    22 12 28.9 -25 16 07   0.5193  1.4930   154.7    16.8    22.5
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-P42
    

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