[Iaude] MPEC Q17: 2018 PP23 [a=1.63,e=0.21,i=15.4,H=22.9]

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2018-Q17                                Issued 2018 Aug. 16, 21:56 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2018 PP23
 
Observations:
     K18P23P* C2018 08 08.45246 22 45 00.982-11 55 03.79         21.9 wUEQ017F51
     K18P23P  C2018 08 08.47497 22 45 02.012-11 56 12.21         21.8 wUEQ017F51
     K18P23P  C2018 08 08.48626 22 45 02.535-11 56 46.46         21.8 wUEQ017F51
     K18P23P  C2018 08 13.48731 22 49 26.697-16 13 48.30         21.7 wUEQ017F51
     K18P23P  C2018 08 13.49831 22 49 27.082-16 14 22.30         21.6 wUEQ017F51
     K18P23P  C2018 08 13.52026 22 49 27.868-16 15 30.25         21.6 wUEQ017F51
     K18P23P KC2018 08 14.24958722 50 03.19 -16 53 26.9          21.8 VuEQ017H21
     K18P23P KC2018 08 14.25567122 50 03.43 -16 53 46.0          21.5 VuEQ017H21
     K18P23P KC2018 08 14.26215922 50 03.69 -16 54 06.3          21.7 VuEQ017H21
     K18P23P |C2018 08 16.21951 22 51 31.32 -18 34 53.2          21.8 VuEQ017807
     K18P23P |C2018 08 16.22529 22 51 31.54 -18 35 10.5          21.8 VuEQ017807
     K18P23P |C2018 08 16.23124 22 51 31.71 -18 35 29.0          21.7 VuEQ017807
 
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. 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.  1.3-m f/4.0
    astrograph + CCD.
 
Orbital elements:
2018 PP23                                                Earth MOID = 0.2768 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 298.21332              (2000.0)            P               Q
n   0.47417596     Peri.  177.15886     +0.70516448     +0.68603974
a   1.6287072      Node   137.58702     -0.65565966     +0.72709596
e   0.2074931      Incl.   15.40303     -0.26991383     +0.02609487
P   2.08           H   22.9           G   0.15           U   6
Residuals in seconds of arc
180808 F51  0.1+  0.0     180813 F51  0.0   0.0     180814 H21  0.2+  0.1-
180808 F51  0.1-  0.0     180813 F51  0.0   0.2+    180816 807  0.2-  0.4-
180808 F51  0.0   0.0     180814 H21  0.4-  0.0     180816 807  0.3+  0.2+
180813 F51  0.1+  0.2-    180814 H21  0.2-  0.1-    180816 807  0.0   0.2+

Ephemeris:
2018 PP23                a,e,i = 1.63, 0.21, 15                  q = 1.2908
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 17    22 15 58.1 +03 05 35   0.3557  1.2945   135.6    33.3    22.6
...
2018 08 01    22 36 55.5 -05 57 38   0.3083  1.2908   149.8    23.3    22.0
...
2018 08 09    22 45 31.7 -12 22 29   0.2956  1.2921   157.6    17.4    21.7
...
2018 08 15    22 50 37.1 -17 31 54   0.2930  1.2947   162.0    14.0    21.6
2018 08 16    22 51 21.5 -18 23 37   0.2931  1.2953   162.5    13.6    21.6
2018 08 17    22 52 04.0 -19 15 07   0.2935  1.2958   162.8    13.3    21.6
...
2018 08 23    22 55 44.4 -24 14 13   0.2991  1.3001   162.8    13.3    21.6
...
2018 08 31    22 59 19.2 -30 04 25   0.3158  1.3078   158.1    16.8    21.9
...
2018 09 15    23 04 04.8 -37 18 12   0.3707  1.3277   145.4    25.5    22.5

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Q17