[Iaude] MPEC P38: 2018 PC9 [a=1.50,e=0.25,i=36.2,H=23.7]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Aug 10 08:01:16 EDT 2018


M.P.E.C. 2018-P38                                Issued 2018 Aug. 10, 11:58 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 PC9
 
Observations:
     K18P09C* C2018 08 06.48016 22 10 52.596-21 44 28.52         20.2 iUEP038F51
     K18P09C  C2018 08 06.49206 22 10 54.876-21 48 01.66         20.0 iUEP038F51
     K18P09C  C2018 08 06.50397 22 10 57.166-21 51 35.19         19.5 iUEP038F51
     K18P09C  C2018 08 06.51589 22 10 59.449-21 55 07.67         20.1 iUEP038F51
     K18P09C _C2018 08 07.42684622 14 28.861-26 25 35.91         20.2 GVEP038568
     K18P09C _C2018 08 07.42779222 14 29.055-26 25 52.71         20.4 GVEP038568
     K18P09C  C2018 08 07.45165 22 14 33.964-26 32 56.38         20.2 wUEP038F51
     K18P09C  C2018 08 07.46302 22 14 36.265-26 36 17.37         20.3 wUEP038F51
     K18P09C  C2018 08 07.47438 22 14 38.568-26 39 38.66         20.2 wUEP038F51
     K18P09C KC2018 08 09.63526922 23 31.20 -36 51 55.3          20.5 GVEP038474
     K18P09C KC2018 08 09.63700422 23 31.62 -36 52 23.4          20.3 GVEP038474
     K18P09C KC2018 08 09.63787022 23 31.85 -36 52 37.4          20.2 GVEP038474
     K18P09C KC2018 08 09.63960022 23 32.28 -36 53 05.1          20.3 GVEP038474
 
Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
    P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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.
 
Orbital elements:
2018 PC9                                                 Earth MOID = 0.1207 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 280.85371              (2000.0)            P               Q
n   0.53523401     Peri.  192.21911     +0.79841674     +0.42445360
a   1.5023585      Node   133.66914     -0.49068941     +0.86972347
e   0.2476335      Incl.   36.18426     -0.34893353     -0.25183373
P   1.84           H   23.7           G   0.15           U   8
Residuals in seconds of arc
180806 F51  0.1-  0.0     180807 568  0.1-  0.0     180809 474  0.2-  0.1-
180806 F51  0.0   0.0     180807 F51  0.0   0.1-    180809 474  0.1+  0.1-
180806 F51  0.1+  0.4-    180807 F51  0.0   0.2+    180809 474  0.3+  0.1+
180806 F51  0.0   0.3+    180807 F51  0.1+  0.2-
180807 568  0.1-  0.1+    180809 474  0.3-  0.0

Ephemeris:
2018 PC9                 a,e,i = 1.50, 0.25, 36                  q = 1.1303
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 11    21 12 22.4 +41 19 08   0.3168  1.1698   111.4    54.0    23.5
...
2018 07 26    21 38 23.6 +22 43 41   0.1772  1.1451   133.6    40.0    21.8
...
2018 08 03    21 59 07.2 -04 50 12   0.1295  1.1366   159.0    18.6    20.5
...
2018 08 09    22 20 48.8 -33 57 17   0.1280  1.1326   156.6    20.8    20.5
2018 08 10    22 25 09.1 -38 29 26   0.1312  1.1321   152.9    24.1    20.7
2018 08 11    22 29 44.3 -42 45 43   0.1352  1.1317   149.0    27.4    20.8
...
2018 08 17    23 03 28.9 -62 03 33   0.1728  1.1303   129.5    43.7    21.8
...
2018 08 25    00 08 56.3 -74 39 43   0.2416  1.1317   114.3    54.5    22.9
...
2018 09 09    02 35 43.3 -80 52 08   0.3820  1.1441   101.1    59.8    24.0

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-P38



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