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  • MPEC 1998-Q19 : 1998 QE2

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    M.P.E.C. 1998-Q19                                Issued 1998 Aug. 22, 15:36 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 QE2
    
    Observations:
         J98Q02E* C1998 08 19.38963 22 47 07.04 +19 28 40.0          19.7        704
         J98Q02E  C1998 08 19.40228 22 47 05.96 +19 28 34.5          19.0        704
         J98Q02E  C1998 08 19.41504 22 47 04.95 +19 28 26.9          19.0        704
         J98Q02E  C1998 08 19.42764 22 47 03.65 +19 28 22.7          19.2        704
         J98Q02E  C1998 08 19.88125 22 46 27.71 +19 25 07.8                      557
         J98Q02E  C1998 08 19.89956 22 46 26.13 +19 24 59.3          19.0 V      557
         J98Q02E  C1998 08 20.02451 22 46 15.64 +19 24 05.3          18.5 V      046
         J98Q02E  C1998 08 20.02556 22 46 15.62 +19 24 05.4                      046
         J98Q02E  C1998 08 20.02698 22 46 15.53 +19 24 04.6                      046
         J98Q02E  C1998 08 20.02808 22 46 15.41 +19 24 04.4                      046
         J98Q02E  C1998 08 20.03172 22 46 15.12 +19 24 02.9                      046
         J98Q02E  C1998 08 20.03362 22 46 14.98 +19 24 01.7                      046
         J98Q02E  C1998 08 20.03575 22 46 14.81 +19 24 01.1          18.2 V      046
         J98Q02E  C1998 08 20.62706 22 45 27.20 +19 19 40.9          17.4 V      402
         J98Q02E  C1998 08 20.62914 22 45 26.99 +19 19 40.4                      402
         J98Q02E  C1998 08 20.63019 22 45 26.91 +19 19 39.5                      402
         J98Q02E WC1998 08 20.93896 22 45 02.05 +19 17 17.4                      557
         J98Q02E WC1998 08 20.94163 22 45 01.76 +19 17 15.7                      557
         J98Q02E WC1998 08 20.94433 22 45 01.51 +19 17 15.9          18.4 V      557
         J98Q02E  C1998 08 22.49821 22 42 55.43 +19 04 51.4                      658
         J98Q02E  C1998 08 22.50341 22 42 55.01 +19 04 48.7                      658
         J98Q02E  C1998 08 22.50573 22 42 54.80 +19 04 47.8                      658
         J98Q02E  C1998 08 22.58973 22 42 48.52 +19 04 17.6          18.3 R      426
         J98Q02E  C1998 08 22.59593 22 42 48.06 +19 04 14.7          18.5 R      426
         J98Q02E  C1998 08 22.60207 22 42 47.45 +19 04 11.8          18.7 R      426
    
    Observer details:
    046 Klet.  Observers M. Tichy, Z. Moravec.  Measurer M. Tichy.  0.57-m f/5.2
        reflector + CCD.
    402 Dynic Astronomical Observatory.  Observer A. Sugie.  0.60-m f/3.7 reflector
        + CCD.
    426 Woomera.  Observer F. B. Zoltowski.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
    557 Ondrejov.  Observers P. Pravec, L. Sarounova.  0.65-m f/3.6 reflector
        + CCD.
    658 Dominion Astrophysical Observatory.  Observer D. D. Balam.  1.82-m
        reflector + 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.
    
    Orbital elements:
    1998 QE2
    Epoch 1998 Aug. 15.0 TT = JDT 2451040.5                 Williams
    M  33.38607              (2000.0)            P               Q
    n   0.24259202     Peri.  344.28600     -0.55162136     +0.80754003
    a   2.5461562      Node   251.80245     -0.73963813     -0.58928728
    e   0.5835556      Incl.   12.69620     -0.38555067     -0.02489164
    P   4.06           H   16.0           G   0.15
    From 25 observations 1998 Aug. 19-22.
    
    Ephemeris:
    1998 QE2                 a,e,i = 2.55, 0.58, 13                  q = 1.0603
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1998 08 15    22 52.98   +19 54.9    0.977    1.877   141.2    19.8    18.3
    1998 08 20    22 46.30   +19 24.4    0.992    1.915   145.7    17.3    18.3
    1998 08 25    22 39.58   +18 43.0    1.012    1.953   149.8    15.1    18.3
    1998 08 30    22 33.06   +17 52.3    1.037    1.990   153.0    13.3    18.3
    1998 09 04    22 26.94   +16 54.4    1.068    2.027   155.0    12.1    18.4
    1998 09 09    22 21.41   +15 51.4    1.104    2.064   155.6    11.6    18.5
    1998 09 14    22 16.58   +14 45.3    1.147    2.101   154.7    11.8    18.6
    1998 09 19    22 12.55   +13 38.3    1.195    2.137   152.5    12.5    18.8
    1998 09 24    22 09.36   +12 32.1    1.249    2.173   149.3    13.6    19.0
    1998 09 29    22 07.04   +11 28.3    1.308    2.208   145.6    14.9    19.1
    1998 10 04    22 05.57   +10 28.1    1.373    2.244   141.5    16.1    19.3
    1998 10 09    22 04.92   +09 32.4    1.442    2.278   137.2    17.3    19.5
    1998 10 14    22 05.03   +08 41.6    1.515    2.313   132.9    18.4    19.7
    1998 10 19    22 05.85   +07 56.2    1.593    2.347   128.5    19.4    19.8
    1998 10 24    22 07.34   +07 16.3    1.674    2.380   124.2    20.2    20.0
    1998 10 29    22 09.43   +06 41.9    1.759    2.414   120.0    20.9    20.2
    1998 11 03    22 12.05   +06 13.0    1.846    2.446   115.8    21.4    20.3
    1998 11 08    22 15.16   +05 49.3    1.936    2.479   111.6    21.8    20.5
    1998 11 13    22 18.70   +05 30.5    2.028    2.511   107.6    22.1    20.6
    1998 11 18    22 22.63   +05 16.6    2.122    2.543   103.6    22.2    20.7
    1998 11 23    22 26.91   +05 07.1    2.218    2.574    99.6    22.2    20.9
    1998 11 28    22 31.49   +05 01.8    2.314    2.605    95.7    22.1    21.0
    1998 12 03    22 36.34   +05 00.5    2.411    2.635    91.9    22.0    21.1
    
    1998 12 13    22 46.71   +05 08.6    2.606    2.695    84.4    21.3    21.3
    1998 12 23    22 57.83   +05 29.2    2.800    2.754    77.1    20.4    21.4
    1999 01 02    23 09.50   +06 00.5    2.991    2.810    70.0    19.2    21.6
    1999 01 12    23 21.58   +06 40.7    3.176    2.866    62.9    17.8    21.7
    1999 01 22    23 33.98   +07 28.3    3.353    2.920    56.0    16.2    21.8
    1999 02 01    23 46.59   +08 22.0    3.520    2.972    49.2    14.5    21.9
    1999 02 11    23 59.34   +09 20.2    3.676    3.023    42.5    12.7    22.0
    
    Gareth V. Williams           (C) Copyright 1998 MPC           M.P.E.C. 1998-Q19
    

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