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  • MPEC 2021-F93 : 2014 HO123

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    M.P.E.C. 2021-F93                                Issued 2021 March 23, 14:00 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
    
                                   2014 HO123                                
    
    
                               Revision to MPEC 2014-H56                            
    
    Additional Observations:
         K14HC3O |C2021 03 17.27505 13 20 06.43 -04 28 50.1          22.1 GVEF093807
         K14HC3O |C2021 03 17.28059 13 20 06.11 -04 28 50.7          22.3 GVEF093807
         K14HC3O |C2021 03 17.28612 13 20 05.81 -04 28 51.3          22.2 GVEF093807
         K14HC3O |C2021 03 22.32856 13 14 58.13 -04 39 14.9          22.4 GVEF093807
         K14HC3O |C2021 03 22.33410 13 14 57.74 -04 39 16.3          22.4 GVEF093807
         K14HC3O |C2021 03 22.33964 13 14 57.36 -04 39 17.3          22.4 GVEF093807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
        1.00-m f/10.0 astrograph + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    210317 807 25.1+ 16.5+    210322 807 27.0+ 17.9+    MPO312446   +0.01 days
    
    Orbital elements:
    2014 HO123                                               Earth MOID = 0.2111 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 293.07302              (2000.0)            P               Q
    n   0.28086370     Peri.  276.15355     +0.37802647     +0.92380788
    a   2.3092572      Node    16.46217     -0.74207822     +0.34151180
    e   0.5391074      Incl.   12.35227     -0.55354846     +0.17305688
    P   3.51           H   20.4           G   0.15           U   2
    Residuals in seconds of arc
    140424 G96  0.2+  0.6+    140505 807  0.2+  0.6-    140928 807  0.1+  0.0
    140424 G96  0.6+  0.3-    140505 807  0.1-  0.7-    140928 807  0.1+  0.1-
    140424 G96  0.4-  0.3+    140507 807  0.0   0.1+    141012 807  0.5+  0.7-
    140424 G96  0.5-  0.5+    140507 807  0.0   0.0     141012 807  0.1-  0.1-
    140424 G96  0.4-  0.7-    140507 807  0.0   0.1-    141012 807  0.2+  0.1+
    140424 G96  1.1-  0.8-    140519 807  0.0   0.0     141026 807  0.1+  0.0
    140425 291  0.6-  0.4-    140519 807  0.1+  0.3+    141026 807  0.4-  0.2+
    140425 291  0.0   1.4+    140519 807  0.1+  0.1+    141026 807  0.5-  0.2+
    140426 807  0.4+  0.3-    140522 291  0.3+  0.4+    210317 807  0.2-  0.2-
    140426 807  0.2+  0.3-    140522 291  0.2-  0.2+    210317 807  0.2-  0.1-
    140426 807  0.3+  0.3-    140522 291  0.9-  0.5+    210317 807  0.0   0.0
    140427 291  1.0+  0.4+    140616 807  0.0   0.1+    210322 807  0.0   0.7+
    140427 291  0.0   0.2+    140617 807  0.0   0.4-    210322 807  0.0   0.1-
    140427 291  0.0   0.2+    140617 807  0.1-  0.3+    210322 807  0.2+  0.4-
    140505 807  0.7+  0.6-    140928 807  0.0   0.2+
    
    Ephemeris:
    2014 HO123               a,e,i = 2.31, 0.54, 12                  q = 1.0643
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 21    13 29 07.3 -03 20 17   1.2834  2.0649   130.2    21.5    23.6
    ...
    2021 03 08    13 26 27.6 -04 06 55   1.0624  1.9629   145.6    16.6    22.9
    ...
    2021 03 16    13 21 12.9 -04 26 07   0.9603  1.9074   154.6    12.9    22.5
    ...
    2021 03 22    13 15 20.7 -04 38 40   0.8923  1.8652   161.9     9.6    22.1
    2021 03 23    13 14 12.2 -04 40 40   0.8817  1.8581   163.2     8.9    22.1
    2021 03 24    13 13 00.9 -04 42 38   0.8714  1.8511   164.4     8.3    22.0
    ...
    2021 03 30    13 04 57.1 -04 54 18   0.8140  1.8084   172.2     4.3    21.6
    ...
    2021 04 07    12 51 55.8 -05 10 29   0.7508  1.7511   176.8     1.8    21.2
    ...
    2021 04 22    12 23 30.8 -05 52 06   0.6736  1.6427   155.7    14.6    21.4
    
    A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-F93
    


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