• MPC Preparation (Info)

  • MPEC 2017-Q03 : 2017 OR68

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    M.P.E.C. 2017-Q03                                Issued 2017 Aug. 16, 02:07 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 OR68
    
    Observations:
         K17O68R  C2017 07 26.46037 21 21 08.509-12 15 12.39         21.7 wLEQ003F51
         K17O68R  C2017 07 26.48232 21 21 06.513-12 16 16.01         21.9 wLEQ003F51
         K17O68R* C2017 07 30.45394 21 15 12.839-15 33 50.37         21.7 wLEQ003F51
         K17O68R  C2017 07 30.47588 21 15 10.581-15 34 57.38         21.5 wLEQ003F51
         K17O68R  C2017 07 30.48685 21 15 09.460-15 35 31.08         21.5 wLEQ003F51
         K17O68R KC2017 07 31.28028321 13 53.72 -16 16 14.2          21.6 VuEQ003H21
         K17O68R KC2017 07 31.29044021 13 52.69 -16 16 45.3          21.7 VuEQ003H21
         K17O68R KC2017 07 31.30160821 13 51.52 -16 17 20.0          21.2 VuEQ003H21
         K17O68R _C2017 07 31.39774721 13 42.911-16 22 12.31         21.1 GUEQ003568
         K17O68R  C2017 07 31.39774821 13 42.913-16 22 12.30         21.3 GUEQ003T14
         K17O68R _C2017 07 31.39970921 13 42.706-16 22 18.33         21.4 GUEQ003568
         K17O68R  C2017 07 31.39970921 13 42.707-16 22 18.34         21.4 GUEQ003T14
         K17O68R _C2017 07 31.41610921 13 40.989-16 23 09.17         21.4 GUEQ003568
         K17O68R  C2017 07 31.41611121 13 40.990-16 23 09.20         21.3 GUEQ003T14
         K17O68R KC2017 08 15.28249 20 46 48.53 -29 05 59.8                oEQ003291
         K17O68R KC2017 08 15.28904 20 46 47.72 -29 06 18.9                oEQ003291
         K17O68R KC2017 08 15.29413 20 46 47.09 -29 06 33.3                oEQ003291
         K17O68R  C2017 08 15.37910 20 46 37.921-29 10 34.69         21.8 wLEQ003F51
         K17O68R  C2017 08 15.38964 20 46 36.666-29 11 04.98         21.7 wLEQ003F51
         K17O68R  C2017 08 15.40015 20 46 35.381-29 11 35.01         21.7 wLEQ003F51
    
    Observer details:
    291 LPL/Spacewatch II.  Observer M. J. Brucker.  1.8-m f/2.7 reflector + CCD.
    568 Mauna Kea.  Observers R. J. Wainscoat, C. Wipper.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman, T. Goggia.  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.  0.81-m f/4.0
        astrograph + CCD.
    T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer C. Wipper.  Measurers
        D. J. Tholen, R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope.
    
    Orbital elements:
    2017 OR68                                                Earth MOID = 0.0830 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 232.44323              (2000.0)            P               Q
    n   0.69225041     Peri.  339.31888     -0.35966671     -0.87805059
    a   1.2655925      Node   130.28485     +0.90365547     -0.41208009
    e   0.1645147      Incl.   24.44690     +0.23247934     +0.24334577
    P   1.42           H   21.9           G   0.15           U   6
    Residuals in seconds of arc
    170726 F51  0.0   0.0     170731 H21  0.1-  0.4+    170815 291  0.1+  0.6+
    170726 F51  0.1+  0.0     170731 568  0.0   0.1-    170815 291  0.2-  0.2+
    170730 F51  0.1-  0.1+    170731 T14  0.0   0.0     170815 291  0.4-  0.4+
    170730 F51  0.2-  0.2+    170731 568  0.0   0.0     170815 F51  0.0   0.1-
    170730 F51  0.2-  0.1+    170731 T14  0.0   0.0     170815 F51  0.2+  0.2-
    170731 H21  0.2-  0.5+    170731 568  0.0   0.0     170815 F51  0.0   0.2-
    170731 H21  0.1+  0.7+    170731 T14  0.0   0.0
    
    Ephemeris:
    2017 OR68                a,e,i = 1.27, 0.16, 24                  q = 1.0574
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 07 17    21 31 49.5 -05 23 08   0.4957  1.4658   149.7    20.5    22.2
    ...
    2017 08 01    21 12 43.7 -16 53 03   0.4416  1.4544   173.2     4.8    21.3
    ...
    2017 08 09    20 58 36.3 -23 51 20   0.4362  1.4463   171.2     6.2    21.4
    ...
    2017 08 15    20 47 20.4 -28 52 10   0.4432  1.4394   161.2    13.1    21.7
    2017 08 16    20 45 28.4 -29 39 42   0.4452  1.4382   159.5    14.3    21.7
    2017 08 17    20 43 37.2 -30 26 19   0.4475  1.4369   157.9    15.4    21.8
    ...
    2017 08 23    20 33 03.3 -34 43 43   0.4659  1.4290   148.4    21.8    22.1
    ...
    2017 08 31    20 21 32.6 -39 21 09   0.5008  1.4173   137.0    29.1    22.4
    ...
    2017 09 15    20 11 53.8 -44 54 25   0.5858  1.3921   119.7    38.9    23.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Q03
    

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