• MPC Preparation (Info)

  • MPEC 2017-O20 : 2017 OA

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    M.P.E.C. 2017-O20                                Issued 2017 July 19, 11:05 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 OA
    
    Observations:
         K17O00A  C2017 06 24.38260 16 22 28.278-14 47 25.86         21.0 wLEO020F51
         K17O00A  C2017 06 24.39361 16 22 26.654-14 47 18.65         21.0 wLEO020F51
         K17O00A* C2017 07 16.29910 15 37 46.753-11 10 23.46         20.9 wLEO020F51
         K17O00A  C2017 07 16.30886 15 37 45.775-11 10 18.74         20.5 wLEO020F51
         K17O00A  C2017 07 16.31863 15 37 44.810-11 10 14.03         20.6 wLEO020F51
         K17O00A  C2017 07 16.32836 15 37 43.831-11 10 09.29         20.7 wLEO020F51
         K17O00A |C2017 07 16.97920 15 36 44.87 -11 04 44.2          20.4 VuEO020807
         K17O00A |C2017 07 16.98276 15 36 44.52 -11 04 42.5          20.4 VuEO020807
         K17O00A |C2017 07 16.98633 15 36 44.18 -11 04 41.5          20.6 VuEO020807
         K17O00A KC2017 07 17.17883 15 36 26.11 -11 03 27.4          20.9 RqEO020734
         K17O00A KC2017 07 17.18695 15 36 25.32 -11 03 23.3          21.0 RqEO020734
         K17O00A KC2017 07 17.19428 15 36 24.63 -11 03 20.3          20.5 RqEO020734
         K17O00A |C2017 07 17.97803 15 35 16.01 -10 56 58.3          20.6 VuEO020807
         K17O00A |C2017 07 17.98160 15 35 15.69 -10 56 56.7          20.8 VuEO020807
         K17O00A |C2017 07 17.98518 15 35 15.33 -10 56 54.9          20.9 VuEO020807
         K17O00A |C2017 07 19.02937 15 33 45.81 -10 49 03.1          20.5 VuEO020807
         K17O00A |C2017 07 19.03284 15 33 45.51 -10 49 01.4          20.8 VuEO020807
         K17O00A |C2017 07 19.03630 15 33 45.20 -10 48 59.6          20.6 VuEO020807
    
    Observer details:
    734 Farpoint Observatory.  Observer G. Hug.  0.69-m reflector + 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, 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.
    
    Orbital elements:
    2017 OA                                             PHA, Earth MOID = 0.0431 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 345.11794              (2000.0)            P               Q
    n   0.40170384     Peri.  148.16274     +0.95736337     -0.28316539
    a   1.8191370      Node   228.39773     +0.24639616     +0.90376089
    e   0.5817023      Incl.    4.38766     +0.15081215     +0.32098849
    P   2.45           H   19.8           G   0.15           U   8
    Residuals in seconds of arc
    170624 F51  0.2-  0.1+    170716 807  0.1+  0.2+    170717 807  0.3-  0.1-
    170624 F51  0.2-  0.1+    170716 807  0.0   0.2+    170717 807  0.1-  0.1-
    170716 F51  0.0   0.2+    170716 807  0.0   0.5-    170717 807  0.5-  0.0
    170716 F51  0.2-  0.2+    170717 734  0.3-  0.2+    170719 807  0.3-  0.1-
    170716 F51  0.1-  0.1+    170717 734  0.6-  0.4+    170719 807  0.1-  0.0
    170716 F51  0.4-  0.1+    170717 734  0.6-  0.1-    170719 807  0.1-  0.3+
    
    Ephemeris:
    2017 OA                  a,e,i = 1.82, 0.58, 4                   q = 0.7609
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 06 19    16 35 11.7 -15 44 49   0.6129  1.6076   160.8    12.0    20.5
    ...
    2017 07 04    16 00 38.9 -13 04 37   0.5590  1.4811   138.2    27.2    20.6
    ...
    2017 07 12    15 44 56.1 -11 46 56   0.5448  1.4113   126.7    35.3    20.7
    ...
    2017 07 18    15 35 13.9 -10 56 54   0.5379  1.3579   118.5    41.1    20.7
    2017 07 19    15 33 48.4 -10 49 22   0.5370  1.3490   117.2    42.1    20.7
    2017 07 20    15 32 26.3 -10 42 04   0.5360  1.3400   115.9    43.0    20.7
    ...
    2017 07 26    15 25 25.4 -10 03 25   0.5308  1.2859   108.4    48.5    20.8
    ...
    2017 08 03    15 19 08.4 -09 24 58   0.5226  1.2131    99.2    55.7    20.8
    ...
    2017 08 18    15 14 52.2 -08 43 10   0.4944  1.0771    83.7    69.1    20.9
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-O20
    

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