• MPC Preparation (Info)

  • MPEC 2018-P94 : 2018 PN20

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    M.P.E.C. 2018-P94                                Issued 2018 Aug. 14, 01:18 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
    
                                       2018 PN20
    
    Observations:
         K18P20N* C2018 08 12.50501 21 11 22.046+11 13 30.40         19.5 wUEP094F51
         K18P20N  C2018 08 12.51692 21 11 34.507+11 08 50.89         19.6 wUEP094F51
         K18P20N  C2018 08 12.54076 21 11 59.582+10 59 30.21         19.2 wUEP094F51
         K18P20N KC2018 08 12.90925121 19 09.48 +08 30 39.3          19.4 GVEP094L01
         K18P20N KC2018 08 12.91205921 19 12.55 +08 29 30.3          19.3 GVEP094L01
         K18P20N KC2018 08 12.93505 21 19 37.35 +08 19 54.0          19.4 GVEP094C47
         K18P20N KC2018 08 12.93664 21 19 39.09 +08 19 14.6          19.3 GVEP094C47
         K18P20N KC2018 08 12.94054 21 19 43.39 +08 17 38.1          19.2 GVEP094C47
         K18P20N KC2018 08 12.94620 21 19 49.57 +08 15 18.6          19.1 GVEP094C47
         K18P20N KC2018 08 13.22905221 25 20.76 +06 17 06.6          19.2 VuEP094H21
         K18P20N KC2018 08 13.23361221 25 25.85 +06 15 09.8          19.3 VuEP094H21
         K18P20N KC2018 08 13.24624621 25 39.91 +06 09 46.2          19.3 VuEP094H21
         K18P20N KC2018 08 13.91936 21 39 21.33 +01 11 46.0          18.6 RqEP094J95
         K18P20N KC2018 08 13.92152 21 39 23.93 +01 10 47.4          18.6 RqEP094J95
         K18P20N KC2018 08 13.92367 21 39 26.49 +01 09 48.5          18.6 RqEP094J95
    
    Observer details:
    C47 Nonndorf.  Observer G. Dangl.  0.25-m f/4.8 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. Magnier, Y. Ramanjooloo, 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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, F. Hrzenjak,
        G. Kervina, D. Vida, E. Pettarin, A. Dragovic.  Measurer E. Pettarin.
        1.0-m f/2.9 reflector + CCD.
    
    Orbital elements:
    2018 PN20                                                Earth MOID = 0.0385 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 294.31253              (2000.0)            P               Q
    n   0.45026997     Peri.  180.41341     +0.79958628     +0.56764336
    a   1.6858570      Node   142.69965     -0.55006222     +0.82326340
    e   0.3762722      Incl.   18.87767     -0.24102559     +0.00428899
    P   2.19           H   25.0           G   0.15           U   7
    Residuals in seconds of arc
    180812 F51  0.1-  0.1+    180812 C47  0.0   0.0     180813 H21  0.1+  0.0
    180812 F51  0.1+  0.1-    180812 C47  0.1-  0.1-    180813 H21  0.1-  0.0
    180812 F51  0.1+  0.1+    180812 C47  0.2+  0.3-    180813 J95  0.2-  0.1-
    180812 L01  0.1+  0.1-    180812 C47  0.3-  0.2+    180813 J95  0.1+  0.2+
    180812 L01  0.1+  0.1-    180813 H21  0.1-  0.2+    180813 J95  0.0   0.0
    
    Ephemeris:
    2018 PN20                a,e,i = 1.69, 0.38, 19                  q = 1.0515
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 07 15    18 17 04.0 +47 00 46   0.2045  1.1005   109.1    60.8    23.9
    ...
    2018 07 30    18 55 12.6 +43 43 24   0.1137  1.0657   113.5    60.9    22.6
    ...
    2018 08 07    19 52 23.7 +33 56 23   0.06708 1.0555   126.5    50.6    21.1
    ...
    2018 08 13    21 20 50.5 +07 55 40   0.04182 1.0519   157.1    22.0    19.3
    2018 08 14    21 40 55.7 +00 38 11   0.03996 1.0517   164.7    14.7    18.9
    2018 08 15    22 02 21.3 -07 10 27   0.03914 1.0515   170.6     9.0    18.7
    ...
    2018 08 21    00 16 41.0 -42 29 06   0.05471 1.0528   137.6    40.4    20.4
    ...
    2018 08 29    02 08 53.9 -53 29 28   0.09889 1.0600   118.0    57.3    22.2
    ...
    2018 09 13    03 12 36.6 -55 22 30   0.1901  1.0898   111.3    59.4    23.7
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-P94
    

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