[Iaude] MPEC P51: 2018 PQ9 [a=1.39,e=0.20,i=12.2,H=24.7]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Aug 10 11:47:17 EDT 2018


M.P.E.C. 2018-P51                                Issued 2018 Aug. 10, 15:43 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 PQ9
 
Observations:
     K18P09Q  C2018 08 08.36745 20 36 13.705-18 29 09.46         20.8 wUEP051F51
     K18P09Q* C2018 08 08.37716 20 36 15.060-18 30 10.07         21.2 wUEP051F51
     K18P09Q  C2018 08 08.38687 20 36 16.428-18 31 11.05         21.0 wUEP051F51
     K18P09Q  C2018 08 08.39659 20 36 17.772-18 32 11.46         21.4 wUEP051F51
     K18P09Q |C2018 08 09.09751 20 38 18.98 -19 43 09.6          20.7 VuEP051807
     K18P09Q |C2018 08 09.10205 20 38 19.64 -19 43 37.6          20.4 VuEP051807
     K18P09Q |C2018 08 09.10671 20 38 20.32 -19 44 06.4          20.6 VuEP051807
     K18P09Q KC2018 08 09.22936 20 38 40.44 -19 57 47.2                oEP051711
     K18P09Q IC2018 08 09.23246 20 38 40.88 -19 58 06.1                oEP051711
     K18P09Q KC2018 08 09.23555 20 38 41.35 -19 58 25.1                oEP051711
     K18P09Q KC2018 08 10.19251 20 41 26.12 -21 34 25.3                UEP051734
     K18P09Q KC2018 08 10.19949 20 41 27.15 -21 35 08.1          20.3 GUEP051734
     K18P09Q KC2018 08 10.21336 20 41 29.21 -21 36 29.8          20.3 GUEP051734
 
Observer details:
711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
    reducer.
734 Farpoint Observatory.  Observer G. Hug.  0.69-m reflector + CCD.
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.
 
Orbital elements:
2018 PQ9                                                 Earth MOID = 0.1122 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 287.99332              (2000.0)            P               Q
n   0.59856789     Peri.  163.60027     +0.47863174     +0.86497565
a   1.3944205      Node   134.69828     -0.82750767     +0.50179618
e   0.1954337      Incl.   12.24508     -0.29350079     -0.00420914
P   1.65           H   24.7           G   0.15           U   7
Residuals in seconds of arc
180808 F51  0.0   0.0     180809 807  0.1+  0.0     180810 734  0.1-  0.4+
180808 F51  0.1-  0.1+    180809 807  0.1+  0.0     180810 734  0.1-  0.7-
180808 F51  0.1+  0.2-    180809 711  0.2-  0.0     180810 734  0.2+  0.3+
180808 F51  0.0   0.0     180809 711  0.2-  0.1+
180809 807  0.1+  0.0     180809 711  0.2+  0.0

Ephemeris:
2018 PQ9                 a,e,i = 1.39, 0.20, 12                  q = 1.1219
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 11    19 30 58.8 +23 30 54   0.1473  1.1243   134.2    40.4    22.4
...
2018 07 26    20 01 08.2 +05 21 25   0.1169  1.1224   154.7    22.8    21.4
...
2018 08 03    20 21 21.9 -08 48 20   0.1128  1.1256   168.6    10.3    20.9
...
2018 08 09    20 38 00.0 -19 33 24   0.1173  1.1298   170.7     8.4    20.9
2018 08 10    20 40 51.5 -21 14 13   0.1187  1.1307   169.6     9.3    21.0
2018 08 11    20 43 44.2 -22 52 11   0.1202  1.1316   168.3    10.5    21.0
...
2018 08 17    21 01 16.7 -31 28 49   0.1328  1.1379   159.5    18.1    21.5
...
2018 08 25    21 24 35.7 -39 31 53   0.1568  1.1486   149.4    26.6    22.2
...
2018 09 09    22 03 43.3 -46 10 41   0.2164  1.1749   137.0    35.8    23.2

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-P51



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