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  • MPEC 2017-Q121: 2017 QR17

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    M.P.E.C. 2017-Q121                               Issued 2017 Aug. 26, 16:08 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 QR17
    
    Observations:
         K17Q17R* C2017 08 23.48230 23 01 49.038+02 54 00.27         19.1 wLEQ121F51
         K17Q17R  C2017 08 23.49422 23 01 51.161+02 52 24.93         19.1 wLEQ121F51
         K17Q17R  C2017 08 23.51814 23 01 55.421+02 49 13.84         19.3 wLEQ121F51
         K17Q17R  C2017 08 24.00694 23 03 30.26 +01 43 27.4                qEQ121246
         K17Q17R  C2017 08 24.00768 23 03 30.38 +01 43 22.6                qEQ121246
         K17Q17R  C2017 08 24.00795 23 03 30.43 +01 43 19.9                qEQ121246
         K17Q17R  C2017 08 24.02826 23 03 34.23 +01 40 35.3          19.2 VSEQ121033
         K17Q17R  C2017 08 24.03110 23 03 34.74 +01 40 12.9          19.3 VSEQ121033
         K17Q17R  C2017 08 24.08233 23 03 44.14 +01 33 18.7          19.7 VSEQ121033
         K17Q17R  C2017 08 24.08516 23 03 44.66 +01 32 55.6          19.3 VSEQ121033
         K17Q17R  C2017 08 24.08851 23 03 45.28 +01 32 28.7          19.2 VSEQ121033
         K17Q17R KC2017 08 24.23616 23 04 15.26 +01 12 42.0          18.3 RqEQ121H36
         K17Q17R KC2017 08 24.23932 23 04 15.83 +01 12 16.8          18.2 RqEQ121H36
         K17Q17R KC2017 08 24.24090 23 04 16.13 +01 12 04.2          18.5 RqEQ121H36
         K17Q17R KC2017 08 24.29024623 04 24.80 +01 05 25.0          19.0 VuEQ121H21
         K17Q17R KC2017 08 24.29265023 04 25.23 +01 05 05.7          18.9 VuEQ121H21
         K17Q17R KC2017 08 24.29497623 04 25.64 +01 04 46.8          19.0 VuEQ121H21
         K17Q17R KC2017 08 24.29729923 04 26.06 +01 04 27.8          18.9 VuEQ121H21
         K17Q17R KC2017 08 24.29961123 04 26.48 +01 04 09.3          18.9 VuEQ121H21
         K17Q17R KC2017 08 24.30184023 04 26.88 +01 03 51.3          18.9 VuEQ121H21
         K17Q17R _C2017 08 24.44462023 04 54.955+00 44 46.46         19.2 GUEQ121568
         K17Q17R _C2017 08 24.44557523 04 55.125+00 44 38.74         19.2 GUEQ121568
         K17Q17R _C2017 08 24.44653023 04 55.295+00 44 31.00         19.2 GUEQ121568
         K17Q17R |C2017 08 24.47501 23 05 02.10 +00 41 11.8          18.6 RoEQ121Q62
         K17Q17R |C2017 08 24.47772 23 05 02.62 +00 40 49.8          18.7 RoEQ121Q62
         K17Q17R |C2017 08 24.48043 23 05 03.12 +00 40 27.7          18.7 RoEQ121Q62
         K17Q17R KC2017 08 24.87895 23 06 19.00 -00 14 10.9          19.1 VtEQ121L04
         K17Q17R KC2017 08 24.88844 23 06 20.73 -00 15 27.9          19.2 VtEQ121L04
         K17Q17R KC2017 08 24.89551 23 06 22.27 -00 16 24.7          18.8 VqEQ121595
         K17Q17R KC2017 08 24.90254 23 06 23.58 -00 17 22.2          19.1 VqEQ121595
         K17Q17R KC2017 08 24.90958 23 06 24.88 -00 18 19.3          19.2 VqEQ121595
         K17Q17R  C2017 08 25.92017 23 09 38.16 -02 35 30.9                qEQ121246
         K17Q17R  C2017 08 25.92159 23 09 38.48 -02 35 42.8                qEQ121246
         K17Q17R  C2017 08 25.92211 23 09 38.51 -02 35 46.5                qEQ121246
         K17Q17R KC2017 08 25.92479 23 09 39.21 -02 36 07.4                UEQ121587
         K17Q17R KC2017 08 25.92765 23 09 39.73 -02 36 30.4          17.9 RqEQ121107
         K17Q17R KC2017 08 25.92915 23 09 40.01 -02 36 43.0          18.7 RUEQ121587
         K17Q17R KC2017 08 25.93352 23 09 40.80 -02 37 18.3                UEQ121587
         K17Q17R KC2017 08 25.93427 23 09 40.94 -02 37 24.2          17.8 RqEQ121107
         K17Q17R KC2017 08 25.94148 23 09 42.20 -02 38 23.1          17.7 RqEQ121K65
         K17Q17R KC2017 08 25.94177 23 09 42.28 -02 38 26.0          18.2 RqEQ121107
         K17Q17R KC2017 08 25.95906 23 09 45.35 -02 40 46.2          18.0 RqEQ121K65
         K17Q17R KC2017 08 25.96247 23 09 46.00 -02 41 14.0          18.3  QEQ121104
         K17Q17R KC2017 08 25.97080 23 09 47.50 -02 42 22.1          18.1  QEQ121104
         K17Q17R KC2017 08 25.97497 23 09 48.26 -02 42 56.0          18.2  QEQ121104
         K17Q17R KC2017 08 25.97660 23 09 48.50 -02 43 09.4          18.3 RqEQ121K65
         K17Q17R KC2017 08 26.30114 23 10 49.77 -03 27 14.4          18.5 VqEQ121W25
         K17Q17R KC2017 08 26.31732 23 10 52.66 -03 29 26.5          18.7 VqEQ121W25
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observer C. Hoegner.
        Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    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.
    107 Cavezzo.  Observer R. Bonomi.  0.4-m f/5.5 reflector + CCD.
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy.
        1.06-m KLENOT Telescope + CCD.
    568 Mauna Kea.  Observers R. J. Wainscoat, C. Crowder.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    587 Sormano.  Observers A. Fumagalli, I. Proserpio, P. Sicoli, A. Testa.
        Measurer P. Sicoli.  0.5-m f/6.8 reflector + CCD.
    595 Farra d'Isonzo.  Observers U. Montanar, E. Pettarin, M. Vivona.  Measurer
        E. Pettarin.  0.61-m f/4.0 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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
        astrograph + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    K65 Cesena.  Observers V. Tinella, N. A. R. O. Nicolini Astronomical Robotic
        Observatory.  Measurer V. Tinella.  0.40-m f/7 Schmidt-Cassegrain + CCD.
    L04 ROASTERR-1 Observatory, Cluj-Napoca.  Observer L. Hudin.  0.3-m f/5.0
        reflector + CCD.
    Q62 iTelescope Observatory, Siding Spring.  Observers S. Foglia, L. Buzzi,
        P. Concari, C. Cremaschini, G. Galli, M. Tombelli.  0.15-m f/7 refractor
        + CCD.
    W25 RMS Observatory, Cincinnati.  Observer B. Rowe.  0.35-m Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2017 QR17                                                Earth MOID = 0.2311 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M   4.00505              (2000.0)            P               Q
    n   0.20325450     Peri.  169.51991     +0.83743031     +0.50559373
    a   2.8648987      Node   156.26613     -0.53131713     +0.84212509
    e   0.5686663      Incl.   31.04538     -0.12811162     -0.18761744
    P   4.85           H   20.9           G   0.15           U   7
    Residuals in seconds of arc
    170823 F51  0.1+  0.3-    170824 H21  0.1-  0.2+    170825 246  0.3+  0.2-
    170823 F51  0.0   0.1-    170824 H21  0.1-  0.0     170825 246  0.7-  0.4+
    170823 F51  0.2-  0.5+    170824 H21  0.0   0.2+    170825 587  0.1-  0.0
    170824 246  0.2+  0.7-    170824 H21  0.1-  0.2+    170825 107  0.4+  0.1-
    170824 246  0.0   0.4+    170824 568  0.1+  0.1-    170825 587  0.0   0.0
    170824 246  0.0   0.1-    170824 568  0.1+  0.1-    170825 587  0.0   0.4+
    170824 033  0.1+  0.0     170824 568  0.1+  0.1-    170825 107  0.5+  0.2+
    170824 033  0.0   0.5+    170824 Q62  0.4-  0.0     170825 K65  0.3+  0.2-
    170824 033  0.0   0.3-    170824 Q62  0.1-  0.0     170825 107  0.3+  0.4-
    170824 033  0.0   0.6-    170824 Q62  0.1-  0.2-    170825 K65  0.1-  0.1+
    170824 033  0.1+  0.4-    170824 L04  0.3+  0.0     170825 104  0.2-  0.1+
    170824 H36  0.1-  0.4-    170824 L04  0.2+  0.1+    170825 104  0.2-  0.1-
    170824 H36  0.2-  0.0     170824 595  0.1-  0.3+    170825 104  0.1-  0.1+
    170824 H36  0.0   0.1+    170824 595  0.2+  0.0     170825 K65  0.2-  0.0
    170824 H21  0.1+  0.2+    170824 595  0.4+  0.1+    170826 W25  0.1+  0.1-
    170824 H21  0.1+  0.3+    170825 246  0.6-  0.1+    170826 W25  0.0   0.3-
    
    Ephemeris:
    2017 QR17                a,e,i = 2.86, 0.57, 31                  q = 1.2357
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 07 27    21 39 27.8 +39 17 13   0.3962  1.2560   118.9    45.1    21.1
    ...
    2017 08 11    22 21 57.3 +25 59 37   0.2869  1.2367   136.2    34.5    20.1
    ...
    2017 08 19    22 47 21.2 +12 26 05   0.2492  1.2365   151.3    23.1    19.4
    ...
    2017 08 25    23 06 41.1 -00 30 01   0.2380  1.2409   163.5    13.4    19.0
    2017 08 26    23 09 52.5 -02 45 47   0.2378  1.2420   165.1    12.1    19.0
    2017 08 27    23 13 02.9 -05 01 38   0.2382  1.2432   166.4    11.0    18.9
    ...
    2017 09 02    23 31 30.3 -18 02 01   0.2509  1.2528   164.7    12.2    19.1
    ...
    2017 09 10    23 53 42.3 -31 47 27   0.2918  1.2713   151.6    22.1    19.8
    ...
    2017 09 25    00 25 00.9 -45 24 53   0.4128  1.3221   133.7    33.3    21.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Q121
    

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