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  • MPEC 2017-C66 : 2005 QB5

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    M.P.E.C. 2017-C66                                Issued 2017 Feb. 6, 11:32 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
    
                                       2005 QB5
    
                               Revision to MPEC 2005-Q31
    
    Additional Observations:
         K05Q05B  C2017 02 04.57125 12 09 19.467-12 45 31.64         22.0 wLEC066F51
         K05Q05B  C2017 02 04.59491 12 09 26.505-12 44 58.63         21.9 wLEC066F51
         K05Q05B  C2017 02 04.60672 12 09 30.038-12 44 42.16         21.9 wLEC066F51
         K05Q05B |C2017 02 06.26609 12 18 45.11 -12 01 24.4          21.7 VuEC066807
         K05Q05B |C2017 02 06.27551 12 18 48.22 -12 01 08.8          21.6 VuEC066807
         K05Q05B |C2017 02 06.28462 12 18 51.27 -12 00 53.5          21.6 VuEC066807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
        T. Lowe, 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
    170204 F51 4.28+ 0.26-    170206 807 4.56+ 0.31-    MPO 87721   -0.87 day
    
    Orbital elements:
    2005 QB5                                                 Earth MOID = 0.0164 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 297.59019              (2000.0)            P               Q
    n   0.82913637     Peri.   93.60024     -0.43079825     +0.89468612
    a   1.1221530      Node   149.98203     -0.89298589     -0.40371212
    e   0.2516753      Incl.   13.65581     -0.13034212     -0.19118911
    P   1.19           H   23.7           G   0.15           U   3
    Residuals in seconds of arc
    050826 E12  0.3+  0.5+    050827 176  0.0   0.2+    050827 E12  0.7-  0.3-
    050826 E12  0.2+  0.1-    050827 176  0.1-  0.4-    050827 E12  0.2+  0.6+
    050826 E12  0.3-  1.1+    050827 176  0.3-  0.4-    050827 E12  0.2-  0.5+
    050826 E12  0.8+  0.7-    050827 176  0.2-  0.2-    050827 E12  0.9+  0.2-
    050826 E12  0.3+  0.4+    050827 H06  0.0   0.8-    050827 E12  0.3-  0.0
    050826 E12  0.5-  0.1+    050827 651  0.1+  0.3+    050827 E12  0.2+  0.4+
    050826 E12  0.1-  0.1-    050827 651  0.1+  0.9+    050909 474  0.4-  0.3-
    050826 E12  0.2-  0.0     050827 651  0.9+  0.9+    050909 474  0.1-  0.1-
    050826 E12  0.6-  1.1-    050827 H06  0.5-  0.5+    050909 474  0.0   0.1+
    050826 E12  0.2+  1.3-    050827 651  0.5-  0.0     170204 F51  0.1+  0.1+
    050826 E12  0.1-  1.2+    050827 H06  0.7-  0.1-    170204 F51  0.1-  0.0
    050826 E12  0.3-  0.4+    050827 474  0.1+  0.7-    170204 F51  0.0   0.1-
    050827 599 (1.1+  2.4+)   050827 474  0.1+  0.7-    170206 807  0.0   0.2+
    050827 599 (0.8+  2.2+)   050827 474  0.2+  0.8-    170206 807  0.1-  0.0
    050827 599 (0.6+  1.8+)   050827 474  0.3+  1.0-    170206 807  0.4+  0.0
    050827 599 (1.4+  3.1+)   050827 E12  0.1-  0.0
    050827 176  0.6+  0.1-    050827 E12  0.6+  1.0+
    
    Ephemeris:
    2005 QB5                 a,e,i = 1.12, 0.25, 14                  q = 0.8397
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 01 07    10 38 53.1 -13 53 44   0.3903  1.2150   117.7    45.8    23.8
    ...
    2017 01 22    11 16 07.8 -14 59 41   0.2730  1.1587   123.9    44.9    22.9
    ...
    2017 01 30    11 43 39.6 -14 17 15   0.2154  1.1267   126.5    44.6    22.3
    ...
    2017 02 05    12 11 37.1 -12 34 55   0.1755  1.1020   127.7    45.1    21.9
    2017 02 06    12 17 11.4 -12 09 06   0.1692  1.0979   127.7    45.3    21.8
    2017 02 07    12 23 05.3 -11 40 09   0.1631  1.0937   127.7    45.5    21.7
    ...
    2017 02 13    13 07 01.2 -07 22 20   0.1295  1.0685   126.0    48.4    21.2
    ...
    2017 02 21    14 37 37.9 +03 35 59   0.09879 1.0348   115.1    59.9    20.9
    ...
    2017 03 08    18 21 36.7 +25 06 03   0.1163  0.9728    76.9    96.4    22.4
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-C66
    

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