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  • MPEC 2017-S23 : 2014 CD13

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    M.P.E.C. 2017-S23                                Issued 2017 Sept. 18, 10:21 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 CD13
    
                               Revision to MPEC 2014-C35
    
    Additional Observations:
         K14C13D  C2017 09 17.47855 01 03 54.70 +34 09 07.5          18.5 oLES023T08
         K14C13D  C2017 09 17.48758 01 03 47.39 +34 07 57.5          18.3 oLES023T08
         K14C13D  C2017 09 17.48804 01 03 46.96 +34 07 54.6          18.5 oLES023T08
         K14C13D  C2017 09 17.50699 01 03 31.55 +34 05 26.7          18.6 oLES023T08
         K14C13D KC2017 09 18.10911 00 56 09.09 +32 49 28.4          18.7 VqES023W34
         K14C13D KC2017 09 18.11641 00 56 03.88 +32 48 36.3          18.5 VqES023W34
         K14C13D KC2017 09 18.12372 00 55 58.64 +32 47 43.9          18.6 VqES023W34
         K14C13D KC2017 09 18.13108 00 55 53.38 +32 46 51.7          18.6 VqES023W34
         K14C13D KC2017 09 18.19755 00 55 06.09 +32 38 54.2          18.5 RuES023850
         K14C13D KC2017 09 18.20478 00 55 00.94 +32 38 02.5          18.6 RuES023850
         K14C13D KC2017 09 18.21206 00 54 55.76 +32 37 10.7          18.9 RuES023850
         K14C13D KC2017 09 18.21975 00 54 50.31 +32 36 15.0          18.5 RuES023850
         K14C13D KC2017 09 18.22769 00 54 44.63 +32 35 18.2          18.4 RuES023850
         K14C13D KC2017 09 18.23563 00 54 39.00 +32 34 21.4          18.3 RuES023850
         K14C13D KC2017 09 18.24365 00 54 33.33 +32 33 24.0          18.2 RuES023850
         K14C13D  C2017 09 18.24958 00 54 30.71 +32 32 39.5          19.4 VqES023I52
         K14C13D  C2017 09 18.25000 00 54 30.44 +32 32 36.4          19.1 VqES023I52
         K14C13D  C2017 09 18.25042 00 54 30.14 +32 32 33.6          19.6 VqES023I52
         K14C13D  C2017 09 18.25083 00 54 29.85 +32 32 30.4          19.5 VqES023I52
         K14C13D KC2017 09 18.25159 00 54 27.72 +32 32 27.2          18.2 RuES023850
    
    Observer details:
    850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.3-m f/9.4
        Schmidt-Cassegrain + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer J. A. Johnson.
        Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
        J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
        R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
    T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, A. Heinze, H. Weiland,
        B. Stalder, J. Tonry.  Measurers L. Denneau, A. Heinze, J. Tonry.  0.5-m
        f/2.0 Schmidt + CCD.
    W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.20-m f/10
        Schmidt-Cassegrain + CCD + f/7.0 focal reducer.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or integer in degrees), reference and Delta-T
    170917 T08    9-    3+    170918 850   10-    2+    MPO292224   +4.8 day
    
    Orbital elements:
    2014 CD13                                           PHA, Earth MOID = 0.0221 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  12.22189              (2000.0)            P               Q
    n   0.30043218     Peri.  284.34820     -0.22545967     +0.97267162
    a   2.2078611      Node   332.43167     -0.84128992     -0.22309149
    e   0.7566042      Incl.    6.88484     -0.49132392     -0.06434370
    P   3.28           H   21.3           G   0.15           U   0
    Residuals in seconds of arc
    140209 F51  0.0   0.1+    140214 926  0.1+  0.2+    140225 568  0.0   0.1+
    140209 F51  0.1+  0.1-    140214 926  0.1-  0.1-    140226 474  0.4+  0.0
    140209 F51  0.0   0.1+    140220 291  0.2+  0.0     140226 474  0.3+  0.1+
    140209 F51  0.1-  0.1-    140220 291  0.1+  0.0     140226 474  0.2+  0.1-
    140209 033  0.1-  0.5+    140220 291  0.2+  0.0     140226 474  0.2+  0.0
    140209 033  0.3-  0.8+    140220 807  0.2+  0.2-    140226 474  0.1+  0.1-
    140209 033  0.0   0.5+    140220 807  0.2-  0.3-    140226 474  0.1+  0.1+
    140210 033  0.4-  0.7+    140220 807  0.2-  0.2-    140226 474  0.6+  0.3-
    140210 033  0.2+  0.4+    140221 G40  0.4-  0.3+    140226 474  0.5+  0.1-
    140210 033  0.1-  0.6+    140221 G40  0.2-  0.3+    140226 474  0.5+  0.1+
    140210 807  0.0   0.1+    140221 G40  0.6+  0.1-    140227 C51  0.7+  0.1-
    140210 807  0.1+  0.1+    140222 291  0.0   0.2-    170917 T08  0.4-  0.2+
    140210 807  0.2+  0.4+    140222 291  0.1-  0.1-    170917 T08  0.5+  0.1+
    140210 K91  0.0   0.0     140222 291  0.0   0.1-    170917 T08  0.1-  0.8+
    140210 K91  0.1-  0.2-    140224 474  0.6+  0.5-    170917 T08  0.4+  0.2-
    140210 K91  0.2-  0.7-    140224 474  0.4+  0.3-    170918 W34  0.2+  0.0
    140212 926  0.2+  0.6-    140224 474  0.6+  0.8-    170918 W34  0.3+  0.1+
    140212 926  0.9+  0.1-    140224 474  0.3-  0.3+    170918 W34  0.1+  0.0
    140212 926  0.0   0.0     140224 474  0.9+  1.0-    170918 W34  0.2+  0.5+
    140212 807  0.3-  0.1-    140225 204  0.0   0.2-    170918 850  0.2-  0.2-
    140212 807  0.3-  0.0     140225 204  0.2-  0.1-    170918 850  0.2-  0.2-
    140212 807  0.2-  0.1-    140225 204  0.0   0.4-    170918 850  0.2-  0.1+
    140212 H21  0.1+  0.0     140225 807  0.1-  0.1-    170918 850  0.1+  0.5-
    140212 H21  0.0   0.0     140225 807  0.1+  0.5-    170918 850  0.4-  0.4-
    140212 H21  0.0   0.0     140225 807  0.3+  0.4-    170918 850  0.2-  0.3-
    140212 H21  0.3-  0.1+    140225 474  0.7-  0.0     170918 850  0.1+  0.2-
    140213 807  0.1+  0.5-    140225 474  0.6-  0.7+    170918 I52  0.3-  0.0
    140213 807  0.0   0.2-    140225 474  0.3-  0.2+    170918 I52  0.0   0.1-
    140213 807  0.3+  0.5-    140225 474  0.6+  0.4+    170918 I52  0.1-  0.1+
    140214 807  0.1-  0.1+    140225 474  0.3+  0.4+    170918 I52  0.1-  0.2-
    140214 807  0.0   0.1+    140225 474  1.0+  0.0     170918 850  0.3+  0.0
    140214 807  0.1+  0.1+    140225 568  0.1-  0.0
    140214 926  0.4+  0.2+    140225 568  0.0   0.0
    
    Ephemeris:
    2014 CD13                a,e,i = 2.21, 0.76, 7                   q = 0.5374
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 08 19    10 16 24.6 +07 44 12   0.2925  0.7233     7.7   169.2    34.0
    ...
    2017 09 03    08 41 24.9 +30 16 06   0.1165  0.9187    37.2   138.4    23.1
    ...
    2017 09 11    03 56 52.7 +48 51 09   0.09192 1.0257    99.4    75.6    18.8
    ...
    2017 09 17    01 10 29.4 +35 12 05   0.1323  1.1051   136.7    38.6    18.7
    2017 09 18    00 57 23.5 +33 03 11   0.1418  1.1182   140.7    34.7    18.7
    2017 09 19    00 46 27.4 +31 05 54   0.1519  1.1313   144.2    31.3    18.8
    ...
    2017 09 25    00 07 11.4 +22 41 37   0.2192  1.2090   158.1    18.1    19.4
    ...
    2017 10 03    23 45 16.4 +16 39 48   0.3212  1.3101   162.2    13.5    20.2
    ...
    2017 10 18    23 32 55.7 +11 24 38   0.5397  1.4913   150.9    18.9    21.8
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S23
    

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