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  • MPEC 2017-Q53 : 2017 QR1

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    M.P.E.C. 2017-Q53                                Issued 2017 Aug. 20, 02:24 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 QR1
    
    Observations:
         K17Q01R* C2017 08 17.25905 18 09 45.792+59 23 35.26         21.1 wLEQ053F51
         K17Q01R  C2017 08 17.27198 18 09 37.138+59 23 55.17         21.0 wLEQ053F51
         K17Q01R  C2017 08 17.28492 18 09 28.488+59 24 14.91         21.1 wLEQ053F51
         K17Q01R  C2017 08 17.29787 18 09 19.811+59 24 34.55         21.2 wLEQ053F51
         K17Q01R  C2017 08 17.32505 18 09 01.680+59 25 14.89         20.9 wLEQ053F51
         K17Q01R  C2017 08 17.33892 18 08 52.378+59 25 35.54         21.0 wLEQ053F51
         K17Q01R  C2017 08 17.35284 18 08 43.114+59 25 55.75         21.1 wLEQ053F51
         K17Q01R KC2017 08 17.90859 18 02 35.72 +59 39 10.6          20.5 R EQ053587
         K17Q01R KC2017 08 17.91571 18 02 30.83 +59 39 20.2                 EQ053587
         K17Q01R KC2017 08 17.91647 18 02 30.37 +59 39 21.5                 EQ053587
         K17Q01R KC2017 08 17.95906 18 02 01.29 +59 40 18.9          20.4 RUEQ053104
         K17Q01R KC2017 08 17.96478 18 01 57.37 +59 40 26.3          20.3 RUEQ053104
         K17Q01R KC2017 08 17.97050 18 01 53.49 +59 40 33.4          20.3 RUEQ053104
         K17Q01R KC2017 08 17.98304 18 01 45.03 +59 40 50.0          20.6 RUEQ053104
         K17Q01R KC2017 08 18.09991 18 00 28.28 +59 43 38.3          20.6 RqEQ053H36
         K17Q01R  C2017 08 18.15536417 59 50.60 +59 44 53.9          20.4 GUEQ053H01
         K17Q01R  C2017 08 18.16349517 59 45.01 +59 45 04.8          20.4 GUEQ053H01
         K17Q01R  C2017 08 18.17316017 59 38.34 +59 45 17.5          20.4 GUEQ053H01
         K17Q01R  C2017 08 18.17740017 59 35.42 +59 45 23.1          20.3 GUEQ053H01
         K17Q01R KC2017 08 18.17903 17 59 34.72 +59 45 21.0          20.5 RqEQ053H36
         K17Q01R 1C2017 08 18.19569 17 59 23.63 +59 45 44.2                 EQ053658
         K17Q01R 1C2017 08 18.19743 17 59 22.43 +59 45 46.4                 EQ053658
         K17Q01R 1C2017 08 18.19916 17 59 21.24 +59 45 48.6                 EQ053658
         K17Q01R  C2017 08 18.84987 17 51 55.57 +59 59 28.5          20.0 VdEQ053L01
         K17Q01R  C2017 08 18.85078 17 51 54.90 +59 59 28.9          20.0 VdEQ053L01
         K17Q01R  C2017 08 18.85167 17 51 54.28 +59 59 30.4          20.3 VdEQ053L01
         K17Q01R KC2017 08 19.18149 17 48 04.21 +60 05 50.9          20.5 RqEQ053734
         K17Q01R KC2017 08 19.18834 17 47 59.38 +60 05 58.7          20.5 RqEQ053734
         K17Q01R KC2017 08 19.19519 17 47 54.49 +60 06 06.2          20.6 RqEQ053734
         K17Q01R KC2017 08 19.88196 17 39 48.75 +60 17 57.5          19.8 RtEQ053Z84
         K17Q01R KC2017 08 19.88914 17 39 43.34 +60 18 03.3          20.2 RtEQ053Z84
         K17Q01R KC2017 08 19.89633 17 39 38.29 +60 18 10.7          20.3 RtEQ053Z84
         K17Q01R KC2017 08 19.91938 17 39 21.66 +60 18 26.4                UEQ053J95
         K17Q01R KC2017 08 19.93356 17 39 11.40 +60 18 39.5                UEQ053J95
         K17Q01R KC2017 08 19.94903 17 39 00.19 +60 18 52.9          20.3 GUEQ053J95
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri, M. Fragai.
        Measurers P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + CCD.
    587 Sormano.  Observers F. Manca, P. Sicoli, A. Testa.  Measurer P. Sicoli.
        0.5-m f/6.8 reflector + CCD.
    658 National Research Council of Canada.  Observer D. D. Balam.  1.82-m
        Plaskett telescope + CCD.
    734 Farpoint Observatory.  Observer G. Hug.  0.69-m 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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, B. Obradovic,
        V. Opacic, L. Rakijar, S. Skvorc, F. Hrzenjak, T. Sverko, D. Marusic,
        E. Pettarin.  Measurer S. Skvorc.  1.00-m reflector + CCD.
    Z84 Calar Alto-Schmidt.  Observer E. Schwab.  Measurers E. Schwab, M. Micheli,
        D. Koschny.  0.8-m f/3 Schmidt + CCD.
    
    Orbital elements:
    2017 QR1                                                 Earth MOID = 0.2590 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 335.79499              (2000.0)            P               Q
    n   0.56789796     Peri.  205.09732     +0.16576437     -0.93367335
    a   1.4441839      Node   236.89750     +0.95662756     +0.23043583
    e   0.6938111      Incl.   22.26927     +0.23955351     -0.27414122
    P   1.74           H   20.2           G   0.15           U   9
    Residuals in seconds of arc
    170817 F51  0.2+  0.0     170817 104  0.6-  0.5-    170818 L01  0.4-  0.0
    170817 F51  0.0   0.1+    170817 104  0.4-  0.3-    170818 L01  0.3-  0.4+
    170817 F51  0.1-  0.1+    170818 H36  0.8-  0.5+    170819 734  0.9-  0.1-
    170817 F51  0.2-  0.2+    170818 H01  0.6-  0.0     170819 734  0.6-  0.4+
    170817 F51  0.1+  0.1-    170818 H01  0.5-  0.1+    170819 734  0.7-  0.6+
    170817 F51  0.2-  0.1+    170818 H01  0.5-  0.1+    170819 Z84  0.1+  0.3+
    170817 F51  0.2+  0.1-    170818 H01  0.5-  0.1+    170819 Z84  1.1-  0.5-
    170817 587  0.7+  0.8-    170818 H36 (5.4+  1.7-)   170819 Z84  0.3+  0.4+
    170817 587  0.3+  0.7-    170818 658  0.7+  1.4+    170819 J95  0.1-  0.2-
    170817 587  0.7+  0.5-    170818 658  0.7+  1.3+    170819 J95  0.2+  0.2+
    170817 104  0.2-  0.0     170818 658  0.7+  1.2+    170819 J95  0.3+  0.2-
    170817 104  0.6-  0.1-    170818 L01  0.1-  0.6+
    
    Ephemeris:
    2017 QR1                 a,e,i = 1.44, 0.69, 22                  q = 0.4422
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 07 21    20 47 24.6 +39 31 48   0.6350  1.4357   119.0    38.2    21.5
    ...
    2017 08 05    19 49 49.7 +51 27 47   0.5061  1.2778   109.8    48.3    21.1
    ...
    2017 08 13    18 51 53.3 +57 09 35   0.4550  1.1869   101.0    56.9    20.9
    ...
    2017 08 19    17 50 12.6 +60 02 18   0.4248  1.1154    92.6    65.0    20.9
    2017 08 20    17 38 25.3 +60 19 40   0.4205  1.1032    91.1    66.5    20.9
    2017 08 21    17 26 16.2 +60 33 01   0.4164  1.0909    89.5    68.0    20.9
    ...
    2017 08 27    16 08 37.9 +60 17 11   0.3958  1.0157    79.5    78.0    20.9
    ...
    2017 09 04    14 29 44.4 +55 16 26   0.3811  0.9113    64.4    93.4    21.2
    ...
    2017 09 19    12 26 54.2 +34 55 22   0.4112  0.7065    34.7   125.9    22.8
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Q53
    

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