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  • MPEC 2016-C71 : 2006 CW

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    M.P.E.C. 2016-C71                                Issued 2016 Feb. 7, 14:11 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
    
                                        2006 CW
    
                               Revision to MPEC 2006-C32
    
    Additional Observations:
         K06C00W  C2016 02 06.47672 10 32 34.063+07 30 51.93         20.9 wLEC071F51
         K06C00W  C2016 02 06.48997 10 32 35.480+07 31 01.90         21.0 wLEC071F51
         K06C00W  C2016 02 06.50326 10 32 36.902+07 31 12.09         20.9 wLEC071F51
         K06C00W  C2016 02 06.51649 10 32 38.336+07 31 21.73         20.9 wLEC071F51
         K06C00W HC2016 02 07.33567 10 34 17.84 +07 41 44.9                oEC071691
         K06C00W HC2016 02 07.33885 10 34 18.11 +07 41 47.8                oEC071691
         K06C00W HC2016 02 07.34203 10 34 18.51 +07 41 50.3                oEC071691
    
    Observer details:
    691 Steward Observatory, Kitt Peak.  Observer M. T. Read.  0.9-m f/3 reflector
        + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, N. Primak,
        A. Schultz, M. Willman.  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
    160206 F51 1.17- 0.32+    160207 691 1.19- 0.33+    MPO102284   +0.33 day
    
    Orbital elements:
    2006 CW                                                  Earth MOID = 0.1594 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M 338.27449              (2000.0)            P               Q
    n   0.29593678     Peri.   42.16481     -0.99080593     +0.11816625
    a   2.2301638      Node   144.46130     -0.13290303     -0.94120568
    e   0.4901714      Incl.    6.50811     +0.02530619     -0.31649424
    P   3.33           H   22.3           G   0.15           U   1
    Residuals in seconds of arc
    060203 691  0.0   0.3-    060216 J95  0.2+  0.7-    060309 291  0.1-  0.3+
    060203 691  0.1+  0.6+    060216 J95  0.0   1.3+    060309 291  0.4-  0.2+
    060203 691  0.0   0.2-    060216 J95  0.2+  0.6-    060309 291  0.1-  0.7-
    060204 701  0.2+  0.5+    060220 703  0.1-  0.0     060316 448 (1.9-  0.3-)
    060204 G96  0.5-  0.0     060220 703  1.2-  0.0     060316 448  0.2-  1.1+
    060204 G96  0.0   0.1-    060220 703 (2.9-  1.3+)   060316 448  0.6-  0.2-
    060204 734  0.2-  0.0     060220 703  0.4-  0.9-    060319 A13  0.6+  0.0
    060204 G96  0.4-  0.2-    060224 291  0.0   0.4+    060319 A13  0.9+  0.1-
    060204 G96  0.1-  0.2-    060224 291  0.0   0.8+    060319 A13  0.4+  0.1+
    060204 G96  0.3-  0.2-    060224 291  0.0   0.6+    060323 703  0.4+  0.7-
    060204 734  0.9-  0.5-    060227 291  0.1-  0.5+    060323 703  0.2-  0.2-
    060204 701  0.6-  0.6-    060227 291  0.1-  0.5+    060323 703  0.7-  1.3+
    060204 G96  0.1+  0.1+    060228 703  0.4+  0.3-    060418 291  0.1+  0.2-
    060204 G96  0.4-  0.2-    060228 703  0.4-  1.1-    060418 291  0.2+  0.4-
    060204 G96  0.5-  0.1-    060228 703  0.4-  1.2-    060418 291  0.2-  0.1-
    060204 734  0.2-  0.4-    060228 703  0.2-  1.2+    160206 F51  0.0   0.0
    060204 701  0.4-  0.1-    060303 291  0.0   0.0     160206 F51  0.1-  0.0
    060206 291  0.1+  0.3+    060303 291  0.1-  0.0     160206 F51  0.2-  0.3+
    060206 291  0.5+  0.3+    060303 291  0.6+  0.8+    160206 F51  0.0   0.0
    060206 291  0.2+  0.3+    060309 703 (1.7-  0.4+)   160207 691  0.8+  0.6-
    060207 691  0.4+  0.2-    060309 703  0.9-  1.2-    160207 691  0.4-  0.3-
    060207 691  0.6+  0.9-    060309 703  0.7-  0.9-    160207 691  0.3+  0.3-
    060207 691  1.1+  0.2-    060309 703 (1.6-  0.8+)
    
    Ephemeris:
    2006 CW                  a,e,i = 2.23, 0.49, 7                   q = 1.1370
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 01 08    09 44 44.9 +05 44 42   0.5164  1.4178   139.9    26.6    22.8
    ...
    2016 01 23    10 07 09.9 +05 42 35   0.3860  1.3324   150.0    21.7    21.9
    ...
    2016 01 31    10 20 27.7 +06 25 38   0.3282  1.2908   155.5    18.5    21.4
    ...
    2016 02 06    10 31 37.1 +07 25 07   0.2902  1.2619   159.5    15.9    21.0
    2016 02 07    10 33 36.6 +07 37 36   0.2843  1.2573   160.2    15.4    20.9
    2016 02 08    10 35 38.8 +07 50 51   0.2786  1.2528   160.8    15.0    20.8
    ...
    2016 02 14    10 48 56.6 +09 27 04   0.2470  1.2270   164.4    12.5    20.5
    ...
    2016 02 22    11 10 22.4 +12 20 00   0.2124  1.1969   167.1    10.6    20.0
    ...
    2016 03 08    12 05 13.3 +19 21 00   0.1711  1.1558   161.0    16.3    19.7
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-C71
    

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