• MPC Preparation (Info)

  • MPEC 2013-P25 : 2012 CL19

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    M.P.E.C. 2013-P25                                Issued 2013 Aug. 5, 15:45 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
    
                                       2012 CL19
    
                               Revision to MPEC 2012-C47
    
    Additional Observations:
         K12C19L KC2013 08 04.07747 21 01 45.45 -17 25 10.9          21.2 RtEP025J04
         K12C19L KC2013 08 04.08503 21 01 44.52 -17 25 17.4          20.5 RtEP025J04
         K12C19L KC2013 08 04.09258 21 01 43.71 -17 25 23.7          21.3 RtEP025J04
         K12C19L  C2013 08 04.44597 21 01 05.206-17 29 50.40         21.2 wLEP025F51
         K12C19L  C2013 08 04.45987 21 01 03.575-17 30 01.00         21.4 wLEP025F51
         K12C19L  C2013 08 04.47379 21 01 01.933-17 30 11.43         21.8 wLEP025F51
         K12C19L  C2013 08 04.48767 21 01 00.300-17 30 22.13         21.5 wLEP025F51
         K12C19L KC2013 08 05.05264 20 59 57.78 -17 37 38.5          20.8 RtEP025J04
         K12C19L KC2013 08 05.06014 20 59 56.90 -17 37 44.2          21.1 RtEP025J04
         K12C19L KC2013 08 05.06727 20 59 56.03 -17 37 49.8          20.9 RtEP025J04
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, T. Goggia,
        M. Willman.  Measurers PS1 Science Consortium, P. Veres.  1.8-m
        Ritchey-Chretien + CCD.
    J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers
        E. Schwab, D. Koschny, A. Knoefel, M. Busch.  1.0-m f/4.4 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    130804 J04 0.11+ 0.03+    130805 J04 0.11+ 0.03+    MPO227515   -0.083 day
    
    Orbital elements:
    2012 CL19                                           PHA, Earth MOID = 0.0119 AU
    Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
    M 245.46205              (2000.0)            P               Q
    n   0.50461022     Peri.  294.88390     +0.43958880     -0.89735408
    a   1.5625431      Node   128.98193     +0.84110779     +0.39604543
    e   0.4413823      Incl.    2.87232     +0.31511801     +0.19468867
    P   1.95           H   21.8           G   0.15           U   3
    Residuals in seconds of arc
    120211 G96  0.1-  0.5-    120212 H36 (1.6-  0.0 )   120311 H21  0.3-  0.5-
    120211 G96  0.1-  0.4-    120212 H36 (2.3-  1.3+)   120311 H21  0.1+  0.0
    120211 G96  0.3-  0.3-    120213 H21  0.3+  0.0     120328 291  0.1-  0.1+
    120211 G96  0.2-  0.6-    120213 H21  0.0   0.1+    120328 291  0.1-  0.1+
    120211 H01  0.4-  0.1+    120213 H21  0.1-  0.0     120328 291  0.0   0.0
    120211 H01  0.4-  0.0     120213 291  0.0   0.1-    130804 J04  0.3-  0.9+
    120211 H01  0.6-  0.0     120213 291  0.1-  0.2-    130804 J04  1.0-  0.1+
    120211 H01  0.6-  0.0     120213 291  0.2+  0.7+    130804 J04  0.1-  0.6-
    120211 J95  1.3+  0.9+    120219 291  0.0   0.2-    130804 F51  0.0   0.2+
    120211 J95  0.6-  0.0     120219 291  1.2-  0.1-    130804 F51  0.1+  0.1+
    120211 I93  0.6-  0.5-    120219 291  0.0   0.0     130804 F51  0.0   0.3+
    120211 J95  0.2+  0.4+    120224 291  0.6+  0.3+    130804 F51  0.0   0.1+
    120211 I93  0.4-  0.1-    120224 291  0.2+  0.9-    130805 J04  0.2-  0.1+
    120211 I93  0.5-  0.5-    120301 291  0.2-  0.8+    130805 J04  0.0   0.2+
    120211 I93  0.2-  0.4-    120301 291  0.3+  0.4+    130805 J04  0.3-  0.1+
    120212 H36  0.2-  0.8-    120301 291  0.1+  0.2-
    120212 H36  0.1-  0.7-    120311 H21  0.1-  0.4-
    
    Ephemeris:
    2012 CL19                a,e,i = 1.56, 0.44, 3                   q = 0.8729
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 07 06    21 30 31.0 -13 36 41   0.7485  1.6777   143.3    21.2    23.3
    ...
    2013 07 21    21 21 38.0 -14 58 10   0.5977  1.5911   160.1    12.6    22.4
    ...
    2013 07 29    21 11 46.1 -16 13 32   0.5323  1.5427   170.4     6.3    21.9
    ...
    2013 08 04    21 01 54.2 -17 24 00   0.4909  1.5054   178.6     0.9    21.3
    2013 08 05    21 00 03.8 -17 36 44   0.4846  1.4991   179.4     0.4    21.2
    2013 08 06    20 58 10.3 -17 49 44   0.4786  1.4928   178.3     1.2    21.2
    ...
    2013 08 12    20 45 51.4 -19 11 47   0.4464  1.4544   169.4     7.4    21.4
    ...
    2013 08 20    20 27 39.9 -21 06 10   0.4139  1.4023   157.1    16.3    21.5
    ...
    2013 09 04    19 54 09.0 -24 22 08   0.3794  1.3021   134.3    33.7    21.7
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-P25
    

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