MPEC 1998-Q07 : 1998 QP

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M.P.E.C. 1998-Q07                                Issued 1998 Aug. 19, 16:17 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
                   URL http://cfa-www.harvard.edu/iau/mpc.html

                                    1998 QP

Observations:
     J98Q00P* C1998 08 17.26000 22 04 23.28 -20 06 42.4          17.5        704
     J98Q00P  C1998 08 17.28087 22 04 21.29 -20 04 47.6                      704
     J98Q00P  C1998 08 17.30198 22 04 19.29 -20 02 48.7                      704
     J98Q00P  C1998 08 17.32291 22 04 17.23 -20 00 49.2                      704
     J98Q00P  C1998 08 17.34393 22 04 15.03 -19 58 47.5          17.8        704
     J98Q00P  C1998 08 17.99036 22 03 43.28 -18 50 42.2          16.4 V      046
     J98Q00P  C1998 08 17.99102 22 03 43.21 -18 50 37.7                      046
     J98Q00P  C1998 08 17.99168 22 03 43.15 -18 50 32.9                      046
     J98Q00P  C1998 08 17.99229 22 03 43.09 -18 50 28.6                      046
     J98Q00P  C1998 08 18.13742 22 03 41.43 -18 32 27.1          16.3 R      758
     J98Q00P  C1998 08 19.02152 22 02 33.90 -16 25 33.8                      620
     J98Q00P  C1998 08 19.02361 22 02 33.61 -16 25 12.5                      620
     J98Q00P  C1998 08 19.02569 22 02 33.26 -16 24 51.6                      620
     J98Q00P  C1998 08 19.02789 22 02 32.96 -16 24 29.5                      620
     J98Q00P  C1998 08 19.14017 22 02 31.99 -16 04 33.3          15.3 R      758
     J98Q00P  C1998 08 19.14383 22 02 31.47 -16 03 55.3          15.1 R      758
     J98Q00P  C1998 08 19.14642 22 02 31.11 -16 03 28.3          15.2 R      758
     J98Q00P  C1998 08 19.15167 22 02 30.35 -16 02 33.4          15.1 R      758
     J98Q00P  C1998 08 19.15396 22 02 30.02 -16 02 09.6          15.1 R      758
     J98Q00P  C1998 08 19.15662 22 02 29.63 -16 01 40.8          15.2 R      758
     J98Q00P  C1998 08 19.28932 22 02 16.26 -15 37 44.1                      670
     J98Q00P  C1998 08 19.29453 22 02 15.46 -15 36 45.5                      670
     J98Q00P  C1998 08 19.30321 22 02 14.07 -15 35 08.4          15.8 V      670
     J98Q00P  C1998 08 19.46907 22 02 04.61 -14 59 06.8          15.9 R      422
     J98Q00P  C1998 08 19.46964 22 02 04.52 -14 59 00.0          16.0 R      422
     J98Q00P  C1998 08 19.47013 22 02 04.45 -14 58 54.0          16.0 R      422
     J98Q00P  C1998 08 19.47160 22 02 04.23 -14 58 36.3          16.1 R      422

Observer details:
046 Klet.  Observers M. Tichy, Z. Moravec.  Measurer M. Tichy.  0.57-m f/5.2
    reflector + CCD.
422 Loomberah.  Observer G. J. Garradd.  0.45-m f/5.4 reflector + CCD.
620 Observatorio Astronomico de Mallorca.  Observers A. Lopez, R. Pacheco.
    Measurers A. Lopez, S. Sanchez.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
670 Camarillo.  Observer J. E. Rogers.  0.25-m Schmidt-Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko.  Measurers J. Stuart, H. Viggh, R. Sayer.  1.0-m f/2.15
    reflector + CCD.
758 BCC Observatory, Cocoa.  Observer I. P. Griffin.  0.30-m f/5 Maksutov
    + CCD.

Orbital elements:
1998 QP                                                              PHA 0.016
Epoch 1998 Aug. 15.0 TT = JDT 2451040.5                 Williams
M 336.54501              (2000.0)            P               Q
n   0.41266795     Peri.   77.68047     +0.70353317     -0.70507324
a   1.7867710      Node   327.02895     +0.57182476     +0.63595841
e   0.5831322      Incl.    9.40742     +0.42196862     +0.31373339
P   2.39           H   22.0           G   0.15
From 27 observations 1998 Aug. 17-19.

Ephemeris:
1998 QP                  a,e,i = 1.79, 0.58, 9                   q = 0.7448
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1998 08 15    22 05.58   -22 43.1    0.084    1.096   169.2    10.0    17.5
1998 08 16    22 05.13   -21 44.3    0.075    1.087   170.3     9.0    17.2
1998 08 17    22 04.53   -20 28.4    0.066    1.078   171.6     7.8    16.8
1998 08 18    22 03.73   -18 47.3    0.057    1.069   173.4     6.3    16.4
1998 08 19    22 02.62   -16 26.7    0.047    1.059   175.7     4.1    15.9
1998 08 20    22 01.01   -12 59.8    0.038    1.050   178.7     1.2    15.2
1998 08 21    21 58.53   -07 29.3    0.030    1.041   175.2     4.6    14.9
1998 08 22    21 54.20   +02 23.1    0.022    1.032   165.5    14.2    14.5
1998 08 23    21 44.79   +22 39.5    0.015    1.023   145.3    34.2    14.3
1998 08 24    21 09.29   +61 16.1    0.012    1.015   106.5    72.9    15.0
1998 08 25    12 16.2    +79 17.2    0.015    1.006    69.9   109.2    17.1
1998 08 26    10 42.97   +62 10.5    0.023    0.997    51.8   127.2    19.2
1998 08 27    10 28.82   +53 13.7    0.031    0.988    43.1   135.7    20.7
1998 08 28    10 23.18   +48 05.5    0.040    0.979    38.2   140.3    21.8
1998 08 29    10 20.14   +44 48.2    0.048    0.971    35.4   143.0    22.6
1998 08 30    10 18.25   +42 31.3    0.058    0.962    33.5   144.6    23.2

Gareth V. Williams           (C) Copyright 1998 MPC           M.P.E.C. 1998-Q07

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