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  • MPEC 2017-Q118: 2017 QN17

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    M.P.E.C. 2017-Q118                               Issued 2017 Aug. 26, 15:54 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 QN17
    
    Observations:
         K17Q17N* C2017 08 18.43925 22 21 10.763-20 09 04.77         22.0 wLEQ118F51
         K17Q17N  C2017 08 18.46161 22 21 08.796-20 09 19.37         21.9 wLEQ118F51
         K17Q17N  C2017 08 18.47285 22 21 07.781-20 09 25.92         22.0 wLEQ118F51
         K17Q17N _C2017 08 19.40021322 19 53.610-20 19 05.22         21.7 GUEQ118568
         K17Q17N _C2017 08 19.40139722 19 53.501-20 19 05.96         21.5 GUEQ118568
         K17Q17N _C2017 08 19.40258722 19 53.390-20 19 06.70         21.5 GUEQ118568
         K17Q17N |C2017 08 21.18699 22 17 25.40 -20 36 58.0          21.8 VuEQ118807
         K17Q17N |C2017 08 21.19359 22 17 24.78 -20 37 02.3          21.7 VuEQ118807
         K17Q17N |C2017 08 21.20018 22 17 24.20 -20 37 06.2          21.9 VuEQ118807
         K17Q17N KC2017 08 26.22424422 10 11.23 -21 24 30.4          21.7 VuEQ118H21
         K17Q17N KC2017 08 26.23030822 10 10.64 -21 24 33.7          22.0 VuEQ118H21
         K17Q17N KC2017 08 26.23943222 10 09.77 -21 24 38.5          22.1 VuEQ118H21
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, C. Wipper.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + 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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
    2017 QN17                                                Earth MOID = 0.2707 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 287.48129              (2000.0)            P               Q
    n   0.60138081     Peri.  353.34190     +0.50014004     -0.86499198
    a   1.3900689      Node    66.64194     +0.79651456     +0.44113623
    e   0.0949787      Incl.    2.53505     +0.33974180     +0.23913951
    P   1.64           H   22.7           G   0.15           U   7
    Residuals in seconds of arc
    170818 F51  0.3-  0.2+    170819 568  0.1-  0.1-    170821 807  0.3+  0.1-
    170818 F51  0.2+  0.3-    170819 568  0.1-  0.0     170826 H21  0.1+  0.1+
    170818 F51  0.1+  0.2+    170821 807  0.0   0.1+    170826 H21  0.1-  0.0
    170819 568  0.1-  0.1-    170821 807  0.1-  0.2-    170826 H21  0.0   0.1-
    
    Ephemeris:
    2017 QN17                a,e,i = 1.39, 0.09, 3                   q = 1.2580
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 07 27    22 39 42.3 -16 24 40   0.4489  1.4160   147.9    22.4    22.8
    ...
    2017 08 11    22 30 02.9 -18 48 52   0.3937  1.3956   163.6    11.8    22.1
    ...
    2017 08 19    22 20 25.6 -20 14 41   0.3765  1.3845   170.1     7.2    21.8
    ...
    2017 08 25    22 11 58.0 -21 13 23   0.3697  1.3761   169.6     7.6    21.8
    2017 08 26    22 10 30.8 -21 22 13   0.3691  1.3748   169.0     8.1    21.8
    2017 08 27    22 09 03.4 -21 30 44   0.3687  1.3734   168.2     8.7    21.8
    ...
    2017 09 02    22 00 29.4 -22 13 45   0.3689  1.3650   162.3    13.0    22.0
    ...
    2017 09 10    21 50 29.8 -22 46 16   0.3765  1.3540   153.3    19.5    22.2
    ...
    2017 09 25    21 40 25.3 -22 26 48   0.4097  1.3339   137.5    30.6    22.7
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Q118
    

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