• MPC Preparation (Info)

  • MPEC 2017-P21 : 2017 PE

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    M.P.E.C. 2017-P21                                Issued 2017 Aug. 4, 14:42 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 PE
    
    Observations:
         K17P00E* C2017 08 01.47539 22 13 08.419-15 57 15.37         21.0 wLEP021F51
         K17P00E  C2017 08 01.48676 22 13 06.482-15 56 46.88         21.3 wLEP021F51
         K17P00E  C2017 08 01.49807 22 13 04.535-15 56 18.32         21.0 wLEP021F51
         K17P00E  C2017 08 01.50942 22 13 02.590-15 55 49.76         21.2 wLEP021F51
         K17P00E KC2017 08 03.30158422 08 28.67 -14 35 14.3          20.9 VuEP021H21
         K17P00E KC2017 08 03.31357022 08 26.45 -14 34 41.4          20.6 VuEP021H21
         K17P00E KC2017 08 03.32088322 08 24.98 -14 34 18.8          20.9 VuEP021H21
         K17P00E |C2017 08 04.18459 22 05 58.67 -13 49 28.7          20.2 VuEP021807
         K17P00E |C2017 08 04.19002 22 05 57.51 -13 49 12.4          20.4 VuEP021807
         K17P00E |C2017 08 04.19559 22 05 56.35 -13 48 55.2          20.2 VuEP021807
    
    Observer details:
    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.  0.76-m f/3.0
        astrograph + CCD.
    
    Orbital elements:
    2017 PE                                                  Earth MOID = 0.0462 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 294.29828              (2000.0)            P               Q
    n   0.92412684     Peri.  118.09253     +0.29100244     -0.95188718
    a   1.0438746      Node   314.64496     +0.82356485     +0.30033419
    e   0.2331818      Incl.    7.75986     +0.48688655     +0.06091113
    P   1.07           H   24.4           G   0.15           U   8
    Residuals in seconds of arc
    170801 F51  0.1-  0.0     170803 H21  0.7-  0.8+    170804 807  0.1-  0.1-
    170801 F51  0.1+  0.0     170803 H21  0.7+  1.1-    170804 807  0.1-  0.1-
    170801 F51  0.0   0.1+    170803 H21  0.2-  0.2+
    170801 F51  0.1+  0.1-    170804 807  0.3+  0.3+
    
    Ephemeris:
    2017 PE                  a,e,i = 1.04, 0.23, 8                   q = 0.8005
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 07 05    22 26 55.5 -25 10 43   0.2599  1.2065   132.1    38.7    23.4
    ...
    2017 07 20    22 29 17.3 -21 47 15   0.1766  1.1647   144.6    30.3    22.3
    ...
    2017 07 28    22 21 39.8 -18 36 40   0.1367  1.1393   153.4    23.6    21.5
    ...
    2017 08 03    22 09 18.1 -14 48 37   0.1095  1.1189   161.3    16.9    20.7
    2017 08 04    22 06 29.6 -13 59 27   0.1052  1.1155   162.8    15.6    20.6
    2017 08 05    22 03 25.6 -13 06 11   0.1010  1.1119   164.2    14.4    20.5
    ...
    2017 08 11    21 38 14.5 -05 52 53   0.07791 1.0903   169.8     9.5    19.7
    ...
    2017 08 19    20 35 59.2 +11 36 02   0.05554 1.0601   149.0    29.5    19.5
    ...
    2017 09 03    16 26 08.2 +47 15 07   0.06141 1.0007    80.7    95.8    21.8
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-P21
    

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    MPEC number:

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    • 1997-B01 (the full form)
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    • B01 (the abbreviated form)