[Iaude] MPEC P28: 2018 PJ8 [a=2.10,e=0.50,i=7.2,H=25.0]

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2018-P28                                Issued 2018 Aug. 8, 22:34 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 PJ8
 
Observations:
     K18P08J* C2018 08 05.40552 21 50 47.434-14 03 12.01         21.9 wUEP028F51
     K18P08J  C2018 08 05.41731 21 50 47.093-14 02 29.74         22.1 wUEP028F51
     K18P08J  C2018 08 05.42911 21 50 46.730-14 01 47.28         21.8 wUEP028F51
     K18P08J KC2018 08 06.28666221 50 39.81 -13 11 41.7          21.8 VuEP028H21
     K18P08J KC2018 08 06.29396421 50 39.62 -13 11 17.0          21.6 VuEP028H21
     K18P08J KC2018 08 08.33575 21 50 21.90 -11 21 56.2                oEP028711
     K18P08J KC2018 08 08.33986 21 50 21.79 -11 21 44.8                oEP028711
 
Observer details:
711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
    reducer.
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 PJ8                                                 Earth MOID = 0.0796 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 329.14773              (2000.0)            P               Q
n   0.32443055     Peri.  316.91440     +0.04043794     +0.99531359
a   2.0975946      Node   315.18792     -0.87953314     -0.00625615
e   0.4963526      Incl.    7.15951     -0.47411626     +0.09649727
P   3.04           H   25.0           G   0.15           U   8
Residuals in seconds of arc
180805 F51  0.0   0.0     180806 H21  0.2+  0.2+    180808 711  0.0   0.5-
180805 F51  0.0   0.0     180806 H21  0.3+  0.2-
180805 F51  0.1-  0.0     180808 711  0.2-  0.5+

Ephemeris:
2018 PJ8                 a,e,i = 2.10, 0.50, 7                   q = 1.0564
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 09    20 36 38.6 -73 57 49   0.08057 1.0673   127.2    49.4    21.5
...
2018 07 24    21 47 58.0 -32 51 34   0.09827 1.1057   155.1    22.8    21.3
...
2018 08 01    21 50 52.2 -19 09 39   0.1254  1.1361   164.0    14.2    21.6
...
2018 08 07    21 50 34.3 -12 31 10   0.1511  1.1627   168.6     9.9    21.9
2018 08 08    21 50 25.5 -11 38 21   0.1557  1.1674   169.3     9.3    21.9
2018 08 09    21 50 15.6 -10 48 49   0.1605  1.1722   169.8     8.8    22.0
...
2018 08 15    21 49 07.5 -06 50 13   0.1911  1.2025   172.0     6.7    22.3
...
2018 08 23    21 47 56.0 -03 27 18   0.2377  1.2464   170.6     7.6    22.9
...
2018 09 07    21 48 40.9 -00 26 14   0.3432  1.3370   161.0    14.2    24.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-P28