• MPC Preparation (Info)

  • MPEC 2017-Q04 : 2017 PR25

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    M.P.E.C. 2017-Q04                                Issued 2017 Aug. 16, 02:11 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 PR25
    
    Observations:
         K17P25R  C2017 06 21.35649 14 29 47.827+21 28 28.22         21.9 wLEQ004F51
         K17P25R  C2017 06 21.36989 14 29 47.186+21 28 36.65         22.3 wLEQ004F51
         K17P25R  C2017 06 21.38329 14 29 46.537+21 28 45.41         22.2 wLEQ004F51
         K17P25R  C2017 06 21.39663 14 29 45.876+21 28 53.74         22.2 wLEQ004F51
         K17P25R* C2017 08 12.26492 14 53 56.899+24 31 35.10         21.1 wLEQ004F51
         K17P25R  C2017 08 12.27586 14 53 57.780+24 31 35.17         21.1 wLEQ004F51
         K17P25R  C2017 08 12.28679 14 53 58.686+24 31 35.13         21.5 wLEQ004F51
         K17P25R  C2017 08 12.29774 14 53 59.576+24 31 35.41         21.5 wLEQ004F51
         K17P25R KC2017 08 13.09686514 55 13.08 +24 32 13.1          21.0 VuEQ004H21
         K17P25R KC2017 08 13.10854214 55 14.07 +24 32 13.0          21.1 VuEQ004H21
         K17P25R KC2017 08 13.12424114 55 15.41 +24 32 13.1          21.1 VuEQ004H21
         K17P25R KC2017 08 14.82787 14 57 57.19 +24 33 50.6          20.6 RtEQ004104
         K17P25R KC2017 08 14.84404 14 57 58.60 +24 33 51.2          20.7 RtEQ004104
         K17P25R KC2017 08 14.85210 14 57 59.36 +24 33 51.6          20.4 RtEQ004104
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri, M. D. Grazia.
        Measurers P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + 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.  0.61-m f/4.5
        astrograph + CCD.
    
    Orbital elements:
    2017 PR25                                           PHA, Earth MOID = 0.0339 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M   2.18599              (2000.0)            P               Q
    n   0.26629184     Peri.  141.40278     +0.80928962     +0.58730927
    a   2.3927508      Node   182.70118     -0.57975285     +0.79562582
    e   0.5957693      Incl.   13.33429     -0.09453539     +0.14848363
    P   3.70           H   20.9           G   0.15           U   5
    Residuals in seconds of arc
    170621 F51  0.1-  0.1+    170812 F51  0.1-  0.1-    170813 H21  0.0   0.3+
    170621 F51  0.1+  0.1-    170812 F51  0.1+  0.2-    170814 104  0.3+  0.4-
    170621 F51  0.1+  0.1+    170812 F51  0.0   0.0     170814 104  0.4-  0.1-
    170621 F51  0.1-  0.0     170813 H21  0.2+  0.6+    170814 104  0.1-  0.2+
    170812 F51  0.1-  0.0     170813 H21  0.1+  0.3+
    
    Ephemeris:
    2017 PR25                a,e,i = 2.39, 0.60, 13                  q = 0.9672
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 07 17    14 27 19.5 +24 00 54   0.4314  1.1074    90.5    66.6    21.6
    ...
    2017 08 01    14 39 20.7 +24 21 54   0.3667  1.0270    81.5    77.8    21.5
    ...
    2017 08 09    14 49 15.0 +24 28 38   0.3234  0.9964    77.7    83.8    21.4
    ...
    2017 08 15    14 58 15.0 +24 34 14   0.2874  0.9802    75.3    88.2    21.3
    2017 08 16    14 59 54.0 +24 35 15   0.2812  0.9781    75.0    88.9    21.2
    2017 08 17    15 01 35.9 +24 36 16   0.2749  0.9762    74.6    89.6    21.2
    ...
    2017 08 23    15 13 01.4 +24 42 43   0.2356  0.9686    72.9    93.6    21.0
    ...
    2017 08 31    15 33 22.2 +24 50 45   0.1807  0.9689    72.0    97.8    20.6
    ...
    2017 09 15    17 11 51.5 +23 11 22   0.07785 1.0011    84.4    91.2    18.6
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Q04
    

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