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  • MPEC 2017-Q134: 2017 QG18

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    M.P.E.C. 2017-Q134                               Issued 2017 Aug. 28, 16:02 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
    
                                       2017 QG18
    
    Observations:
         K17Q18G* C2017 08 24.37173 20 17 45.537-15 07 14.77         20.9 wLEQ134F51
         K17Q18G  C2017 08 24.38292 20 17 50.231-15 07 11.74         21.0 wLEQ134F51
         K17Q18G  C2017 08 24.40531 20 17 59.705-15 07 04.80         21.1 wLEQ134F51
         K17Q18G  C2017 08 25.37573420 27 38.117-15 02 17.99         20.6 GUEQ134T14
         K17Q18G  C2017 08 25.37668820 27 38.638-15 02 17.58         20.5 GUEQ134T14
         K17Q18G  C2017 08 25.37764420 27 39.162-15 02 17.16         20.6 GUEQ134T14
         K17Q18G  C2017 08 26.28978 20 39 12.289-14 54 30.97         20.2 wLEQ134F51
         K17Q18G  C2017 08 26.30383 20 39 22.391-14 54 24.62         20.4 wLEQ134F51
         K17Q18G  C2017 08 26.31785 20 39 32.466-14 54 17.84         20.4 wLEQ134F51
         K17Q18G  C2017 08 27.14725 20 52 43.82 -14 43 33.1                oEQ134G37
         K17Q18G  C2017 08 27.14829 20 52 44.81 -14 43 32.4                oEQ134G37
         K17Q18G  C2017 08 27.15023 20 52 46.66 -14 43 30.7                oEQ134G37
         K17Q18G  C2017 08 27.15099 20 52 47.39 -14 43 30.3                oEQ134G37
         K17Q18G  C2017 08 27.16457 20 53 00.35 -14 43 19.4                oEQ134G37
         K17Q18G  C2017 08 27.16476 20 53 00.53 -14 43 19.2                oEQ134G37
         K17Q18G  C2017 08 27.16899 20 53 04.56 -14 43 15.6                oEQ134G37
         K17Q18G  C2017 08 27.16995 20 53 05.48 -14 43 14.9                oEQ134G37
         K17Q18G  C2017 08 27.17071 20 53 06.21 -14 43 14.1                oEQ134G37
         K17Q18G  C2017 08 27.17129 20 53 06.74 -14 43 13.7                oEQ134G37
         K17Q18G  C2017 08 27.19794 20 53 32.13 -14 42 49.9                oEQ134G37
         K17Q18G  C2017 08 27.20253 20 53 36.50 -14 42 45.5                oEQ134G37
         K17Q18G  C2017 08 27.21059 20 53 44.17 -14 42 37.7                oEQ134G37
         K17Q18G KC2017 08 27.83542 21 06 09.02 -14 29 25.8                QEQ134104
         K17Q18G  C2017 08 27.84120 21 06 14.58 -14 29 43.9          20.0 VSEQ134033
         K17Q18G KC2017 08 27.84299 21 06 18.06 -14 29 16.4                QEQ134104
         K17Q18G  C2017 08 27.84315 21 06 16.93 -14 29 41.1          20.0 VSEQ134033
         K17Q18G  C2017 08 27.84511 21 06 19.29 -14 29 38.1          19.9 VSEQ134033
         K17Q18G KC2017 08 27.84858 21 06 24.72 -14 29 09.0          19.4  QEQ134104
         K17Q18G KC2017 08 27.88132 21 07 06.72 -14 28 42.0                UEQ134J95
         K17Q18G KC2017 08 27.88882 21 07 15.85 -14 28 30.3                UEQ134J95
         K17Q18G KC2017 08 27.89798 21 07 26.97 -14 28 17.0          19.9 GUEQ134J95
         K17Q18G  C2017 08 27.96660 21 08 47.20 -14 26 22.0          19.8 VSEQ134033
         K17Q18G  C2017 08 27.96858 21 08 49.57 -14 26 18.4          20.0 VSEQ134033
         K17Q18G  C2017 08 27.97057 21 08 52.06 -14 26 14.1          19.8 VSEQ134033
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers C. Hoegner,
        B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, 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.
    G37 Lowell Observatory-Discovery Channel Telescope.  Observers A. Thirouin,
        J. Sanborn.  Measurer A. Thirouin.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer C. Crowder.  Measurers
        D. J. Tholen, R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope.
    
    Orbital elements:
    2017 QG18                                                Earth MOID = 0.0044 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 353.11058              (2000.0)            P               Q
    n   0.42814568     Peri.  205.23098     +0.99978839     -0.01753924
    a   1.7434453      Node   155.76670     +0.02029336     +0.92650689
    e   0.4280680      Incl.    1.50069     -0.00336929     +0.37586880
    P   2.30           H   27.0           G   0.15           U   4
    Residuals in seconds of arc
    170824 F51  0.2+  0.3+    170827 G37  0.3+  0.1+    170827 104  0.3-  0.1-
    170824 F51  0.1+  0.3+    170827 G37  0.2+  0.1+    170827 033  0.3+  0.5-
    170824 F51  0.0   0.2+    170827 G37  0.2+  0.1+    170827 033  0.4+  0.2-
    170825 T14  0.1-  0.1-    170827 G37  0.1+  0.2+    170827 104  0.1-  0.4-
    170825 T14  0.0   0.1-    170827 G37  0.2+  0.1+    170827 J95  0.3+  0.4-
    170825 T14  0.0   0.1-    170827 G37  0.3+  0.2+    170827 J95  0.3+  0.4+
    170826 F51  0.1+  0.2+    170827 G37  0.0   0.1+    170827 J95  0.4-  0.1+
    170826 F51  0.1-  0.3+    170827 G37  0.2+  0.2+    170827 033  0.3+  0.4-
    170826 F51  0.0   0.1+    170827 G37  0.2+  0.3+    170827 033  1.1-  0.4-
    170827 G37  0.4+  0.2+    170827 G37  0.1+  0.3+    170827 033  0.9-  0.2+
    170827 G37  0.3+  0.1+    170827 104  0.8-  0.9+
    170827 G37  0.3+  0.3+    170827 033  0.3+  0.5-
    
    Ephemeris:
    2017 QG18                a,e,i = 1.74, 0.43, 2                   q = 0.9971
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 07 29    19 32 01.0 -15 13 29   0.1413  1.1525   165.0    13.2    23.8
    ...
    2017 08 13    19 37 14.2 -15 08 13   0.07712 1.0823   152.7    25.5    22.8
    ...
    2017 08 21    19 56 39.2 -15 10 03   0.04605 1.0518   149.8    28.9    21.7
    ...
    2017 08 27    20 49 57.7 -14 41 43   0.02431 1.0328   157.0    22.5    20.1
    2017 08 28    21 09 37.2 -14 19 10   0.02099 1.0300   160.8    18.8    19.6
    2017 08 29    21 36 19.9 -13 38 32   0.01788 1.0273   166.3    13.5    19.1
    ...
    2017 09 04    03 28 03.1 +06 31 00   0.01431 1.0134   109.7    69.6    20.2
    ...
    2017 09 12    05 51 16.0 +13 21 16   0.04051 1.0013    81.5    96.2    23.5
    ...
    2017 09 27    06 32 38.4 +14 23 12   0.09349 1.0000    85.9    88.8    25.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Q134
    

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