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  • MPEC 2017-N68 : 2011 CC22

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    M.P.E.C. 2017-N68                                Issued 2017 July 11, 21:40 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
    
                                       2011 CC22
    
                               Revision to MPEC 2011-C47
    
    Additional Observations:
         K11C22C  C2017 06 02.53816 18 33 36.036+79 34 28.09         22.0 wLEN068F51
         K11C22C  C2017 06 10.50567 18 19 58.520+79 24 42.03         20.8 iLEN068F51
         K11C22C  C2017 06 25.40146 17 46 09.389+78 39 03.78         21.4 wLEN068F51
         K11C22C  C2017 06 25.41438 17 46 06.717+78 39 00.32         21.8 wLEN068F51
         K11C22C  C2017 06 25.42731 17 46 03.979+78 38 56.61         21.8 wLEN068F51
         K11C22C  C2017 07 05.38864 17 13 43.801+77 37 22.44               LEN068F51
         K11C22C  C2017 07 05.42436 17 13 33.513+77 37 04.01         20.6 iLEN068F51
         K11C22C  C2017 07 10.39012 16 51 53.478+76 47 38.82         21.3 iLEN068F51
         K11C22C  C2017 07 10.40534 16 51 48.164+76 47 26.77         20.7 iLEN068F51
         K11C22C  C2017 07 10.42056 16 51 42.818+76 47 14.08         20.6 iLEN068F51
         K11C22C  C2017 07 11.35126 16 47 04.711+76 35 33.93         20.7 iLEN068F51
         K11C22C  C2017 07 11.36424 16 46 59.930+76 35 23.22         20.4 iLEN068F51
         K11C22C  C2017 07 11.37723 16 46 55.218+76 35 12.28         20.3 iLEN068F51
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman, T. Goggia.  Measurers K. Chambers, S. Chastel, L. Denneau,
        H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
        R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    170602 F51 6.54- 8.25+    170711 F51   25-    9+    MPO192285   +6.7 day
    
    Orbital elements:
    2011 CC22                                           PHA, Earth MOID = 0.0203 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  31.96728              (2000.0)            P               Q
    n   0.82857921     Peri.  171.25117     +0.54450336     +0.71695502
    a   1.1226560      Node   130.33226     -0.79995856     +0.59992407
    e   0.1153317      Incl.   34.82280     -0.25215549     -0.35505861
    P   1.19           H   21.0           G   0.15           U   2
    Residuals in seconds of arc
    110206 703  0.9+  0.0     110206 B90  0.6-  0.3+    170602 F51  0.0   0.0
    110206 703 (1.9+  0.1+)   110206 204  0.0   0.3-    170610 F51  0.0   0.2-
    110206 703  0.7-  0.7+    110206 204  0.0   0.5-    170625 F51  0.0   0.1+
    110206 G96  0.1+  0.4-    110207 204  0.1+  0.1-    170625 F51  0.1+  0.1+
    110206 G96  0.1-  0.4-    110208 H01  0.0   0.3-    170625 F51  0.0   0.1+
    110206 G96  0.5+  0.3-    110208 H01  0.0   0.2+    170705 F51  0.1+  0.5-
    110206 G96  0.2-  0.6-    110208 H01  0.3-  0.0     170705 F51  0.4-  0.3+
    110206 G96  0.3+  0.7+    110208 H01  0.0   0.1+    170710 F51  0.1-  0.1+
    110206 G96  0.8-  0.4+    110208 926  0.0   0.1-    170710 F51  0.1-  0.2+
    110206 G96  0.3+  0.2-    110208 926  0.0   0.2+    170710 F51  0.3-  0.1-
    110206 300  0.1+  0.6+    110208 926  0.3+  0.0     170711 F51  0.1+  0.0
    110206 300  0.9+  0.0     110210 H21  0.1-  0.2-    170711 F51  0.1+  0.1-
    110206 300  0.6+  0.0     110210 H21  0.1-  0.3+    170711 F51  0.4+  0.1-
    110206 B90  0.9-  0.1+    110210 H21  0.3-  0.2-
    
    Ephemeris:
    2011 CC22                a,e,i = 1.12, 0.12, 35                  q = 0.9932
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 06 11    18 19 03.6 +79 23 32   0.5017  1.0278    77.2    74.4    22.2
    ...
    2017 06 26    17 44 29.3 +78 35 57   0.3901  1.0097    77.9    79.9    21.8
    ...
    2017 07 04    17 18 59.3 +77 47 56   0.3202  1.0025    78.4    83.4    21.5
    ...
    2017 07 10    16 53 50.7 +76 51 51   0.2641  0.9984    78.6    86.4    21.1
    2017 07 11    16 48 54.1 +76 39 39   0.2545  0.9978    78.6    87.0    21.1
    2017 07 12    16 43 41.5 +76 26 17   0.2448  0.9973    78.6    87.5    21.0
    ...
    2017 07 18    16 05 29.3 +74 27 47   0.1858  0.9947    78.1    91.4    20.6
    ...
    2017 07 26    14 49 33.0 +66 57 15   0.1062  0.9932    74.9    99.2    19.7
    ...
    2017 08 10    11 33 57.0 -52 32 29   0.07222 0.9963    74.1   101.9    19.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-N68
    

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