• Processing (Info)

  • MPEC 2019-E77 : 2016 EN158

    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 2019-E76 Read MPEC 2019-E78


    M.P.E.C. 2019-E77                                Issued 2019 Mar.  9, 18:59 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
    
                                      2016 EN158
    
                               Revision to MPEC 2016-F17
    
    Additional Observations:
         K16EF8N |C2019 03 02.20365 10 30 53.70 -02 09 51.9          21.4 VuEE077807
         K16EF8N |C2019 03 02.20938 10 30 52.52 -02 09 51.2          21.2 VuEE077807
         K16EF8N |C2019 03 02.21482 10 30 51.41 -02 09 50.3          21.2 VuEE077807
         K16EF8N |C2019 03 07.09750 10 13 37.95 -01 53 11.0          21.2 VuEE077807
         K16EF8N |C2019 03 07.10313 10 13 36.66 -01 53 09.4          21.2 VuEE077807
         K16EF8N |C2019 03 07.10888 10 13 35.34 -01 53 08.2          21.2 VuEE077807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
        0.61-m f/6.5 astrograph + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    190302 807 0.05- 0.04+    190307 807 0.05- 0.04+    MPO377927   +0.049 day
    
    Orbital elements:
    2016 EN158                                               Earth MOID = 0.1183 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 327.19528              (2000.0)            P               Q
    n   0.65464587     Peri.  341.45063     +0.44480475     +0.89011928
    a   1.3136059      Node   314.81851     -0.80301555     +0.34731743
    e   0.5870801      Incl.    8.03729     -0.39662926     +0.29505637
    P   1.51           H   21.6           G   0.15           U   5
    Residuals in seconds of arc
    160306 F51  0.2-  0.1-    160316 291  0.6+  0.1+    160328 691  0.1+  0.7-
    160313 F51  0.3+  0.0     160316 291  0.3+  0.1-    160330 807  0.1-  0.3+
    160313 F51  0.0   0.1+    160316 291  0.1-  0.1+    160330 807  0.0   0.5+
    160313 F51  0.2-  0.1+    160325 705  0.1+  0.1-    160330 807  0.2-  0.7+
    160314 F51  0.2-  0.1-    160325 705  0.5+  0.2-    190302 807  0.2-  0.2+
    160314 F51  0.3-  0.2-    160325 705  0.6-  0.2-    190302 807  0.3-  0.0
    160314 F51  0.1-  0.4-    160327 291  0.0   0.2+    190302 807  0.2-  0.1+
    160314 F51  0.1-  0.2+    160327 291  0.3+  0.3+    190307 807  0.4+  0.2+
    160315 926  0.3+  0.0     160327 291  0.3+  0.1+    190307 807  0.5+  0.4+
    160315 926  0.1+  0.1+    160328 691  0.2-  0.3+    190307 807  0.6+  0.1+
    160315 926  0.0   0.1+    160328 691  0.4-  0.4-
    
    Ephemeris:
    2016 EN158               a,e,i = 1.31, 0.59, 8                   q = 0.5424
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2019 02 07    11 21 48.9 -01 45 52   0.7295  1.6396   145.4    20.0    23.0
    ...
    2019 02 22    10 54 46.8 -02 19 17   0.5619  1.5377   164.4     9.9    21.9
    ...
    2019 03 02    10 31 34.4 -02 10 31   0.4930  1.4783   169.4     7.1    21.4
    ...
    2019 03 08    10 10 13.8 -01 49 22   0.4523  1.4313   163.1    11.6    21.4
    2019 03 09    10 06 23.6 -01 44 38   0.4465  1.4233   161.6    12.7    21.4
    2019 03 10    10 02 29.3 -01 39 34   0.4409  1.4152   159.9    13.9    21.4
    ...
    2019 03 16    09 37 57.6 -01 03 03   0.4132  1.3655   149.1    22.0    21.4
    ...
    2019 03 24    09 04 04.0 -00 02 47   0.3898  1.2960   133.4    33.9    21.5
    ...
    2019 04 08    08 05 51.6 +01 54 13   0.3748  1.1555   104.9    56.9    21.8
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-E77
    

    Read MPEC 2019-E76 Read MPEC 2019-E78


    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)