• MPC Preparation (Info)

  • MPEC 2015-F20 : 2015 EN7

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    Read MPEC 2015-F19 Read MPEC 2015-F21


    M.P.E.C. 2015-F20                                Issued 2015 Mar. 18, 14:08 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 EN7
    
    Observations:
         K15E07N* C2015 03 15.23811 09 05 06.192+24 31 58.77         21.7 wLEF020F51
         K15E07N  C2015 03 15.26405 09 05 03.038+24 30 39.97         21.8 wLEF020F51
         K15E07N  C2015 03 15.27684 09 05 01.467+24 30 01.36         21.8 wLEF020F51
         K15E07N  C2015 03 16.16114809 03 22.41 +23 45 43.4          21.1 RtEF020H01
         K15E07N  C2015 03 16.16581009 03 21.91 +23 45 29.5          20.9 RtEF020H01
         K15E07N  C2015 03 16.17898009 03 20.41 +23 44 50.8          21.5 RtEF020H01
         K15E07N  C2015 03 16.18702109 03 19.51 +23 44 27.1          21.1 RtEF020H01
         K15E07N KC2015 03 17.31538 09 01 23.45 +22 49 58.7          20.6 RoEF020291
         K15E07N KC2015 03 17.31991 09 01 22.97 +22 49 45.6          20.4 RoEF020291
         K15E07N KC2015 03 17.32442 09 01 22.54 +22 49 32.5          20.4 RoEF020291
         K15E07N KC2015 03 18.07354709 00 12.92 +22 14 32.2          21.3 VuEF020H21
         K15E07N KC2015 03 18.08671909 00 11.62 +22 13 56.1          21.0 VuEF020H21
         K15E07N KC2015 03 18.09967409 00 10.37 +22 13 20.4          21.2 VuEF020H21
    
    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.  1.8-m Ritchey-Chretien + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers L. Buzzi, T. Linder, S. Foglia, T. Vorobjov.  0.81-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
    2015 EN7                                                 Earth MOID = 0.1250 AU
    Epoch 2015 June 27.0 TT = JDT 2457200.5                 MPC
    M 118.39708              (2000.0)            P               Q
    n   0.54249446     Peri.   55.26958     +0.72624839     -0.64942835
    a   1.4889239      Node   341.34872     +0.10924116     +0.43275241
    e   0.4979045      Incl.   44.81385     +0.67869702     +0.62527448
    P   1.82           H   20.4           G   0.15           U   8
    Residuals in seconds of arc
    150315 F51  0.0   0.0     150316 H01  0.0   0.2-    150318 H21  0.4+  0.3-
    150315 F51  0.1+  0.1-    150316 H01  0.1+  0.2-    150318 H21  0.1-  0.1-
    150315 F51  0.1-  0.1+    150317 291  0.1+  0.4+    150318 H21  0.3-  0.1-
    150316 H01  0.2-  0.2-    150317 291  0.2-  0.2+
    150316 H01  0.2+  0.4-    150317 291  0.1+  0.0
    
    Ephemeris:
    2015 EN7                 a,e,i = 1.49, 0.50, 45                  q = 0.7476
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 02 16    11 55 54.6 +53 36 25   0.4035  1.2955   132.6    34.1    20.4
    ...
    2015 03 03    09 45 18.6 +37 07 30   0.4731  1.4093   146.3    23.0    20.6
    ...
    2015 03 11    09 14 56.1 +28 23 40   0.5554  1.4672   141.1    25.2    21.1
    ...
    2015 03 17    09 01 55.2 +23 05 04   0.6315  1.5094   135.1    27.7    21.5
    2015 03 18    09 00 19.4 +22 18 03   0.6451  1.5163   134.0    28.1    21.6
    2015 03 19    08 58 51.8 +21 32 38   0.6590  1.5231   133.0    28.5    21.7
    ...
    2015 03 25    08 52 33.9 +17 31 04   0.7465  1.5636   126.9    30.7    22.1
    ...
    2015 04 02    08 49 06.6 +13 16 36   0.8722  1.6157   119.2    32.7    22.5
    ...
    2015 04 17    08 51 55.4 +07 35 23   1.1244  1.7074   106.6    34.3    23.2
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-F20
    

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