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  • MPEC 1999-G16 : 1999 GJ2

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    M.P.E.C. 1999-G16                                Issued 1999 Apr. 10, 15:34 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  ISSN 1523-6714
    
                                       1999 GJ2
    
    Observations:
         J99G02J  C1999 03 19.39385 13 28 48.28 -12 01 47.0          18.6        704
         J99G02J  C1999 03 19.40509 13 28 47.47 -12 01 36.3          18.7        704
         J99G02J  C1999 03 19.41626 13 28 46.87 -12 01 26.2          18.8        704
         J99G02J  C1999 03 19.42737 13 28 46.36 -12 01 16.6          19.2        704
         J99G02J* C1999 04 07.16580 13 08 36.75 -06 41 16.6          17.6        704
         J99G02J  C1999 04 07.17946 13 08 35.63 -06 41 00.8          17.6        704
         J99G02J  C1999 04 07.19366 13 08 34.60 -06 40 44.4          17.8        704
         J99G02J  C1999 04 07.20779 13 08 33.46 -06 40 27.4          17.3        704
         J99G02J  C1999 04 07.22188 13 08 32.36 -06 40 12.0          17.5        704
         J99G02J  C1999 04 07.32657 13 08 24.09 -06 38 07.1          17.3 R      699
         J99G02J  C1999 04 07.34185 13 08 22.84 -06 37 48.6                      699
         J99G02J  C1999 04 07.35714 13 08 21.62 -06 37 31.5                      699
         J99G02J  C1999 04 08.04054 13 07 29.81 -06 23 55.2          17.6 V      860
         J99G02J  C1999 04 08.05634 13 07 28.54 -06 23 35.6          17.9 V      860
         J99G02J  C1999 04 08.10075 13 07 25.00 -06 22 40.6          16.4 R      844
         J99G02J  C1999 04 08.11731 13 07 23.64 -06 22 20.6          17.0 R      844
         J99G02J  C1999 04 08.11836 13 07 23.36 -06 22 21.5          17.8 V      860
         J99G02J  C1999 04 08.12836 13 07 23.11 -06 22 21.5          15.8 R      758
         J99G02J  C1999 04 08.13677 13 07 22.07 -06 21 58.5          16.5 R      844
         J99G02J  C1999 04 08.13788 13 07 22.35 -06 22 09.5          15.8 R      758
         J99G02J  C1999 04 08.14366 13 07 21.93 -06 22 02.2          16.1 R      758
         J99G02J  C1999 04 08.15083 13 07 21.27 -06 21 54.4          15.9 R      758
         J99G02J  C1999 04 08.23023 13 07 14.32 -06 20 10.9          18.4 V      859
         J99G02J  C1999 04 08.23767 13 07 13.71 -06 20 01.9          18.0 V      859
         J99G02J  C1999 04 08.24183 13 07 13.39 -06 19 57.1          18.3 V      859
         J99G02J  C1999 04 08.51992 13 06 52.92 -06 14 38.6          18.0 V      402
         J99G02J  C1999 04 08.52118 13 06 52.86 -06 14 37.5                      402
         J99G02J  C1999 04 08.52244 13 06 52.76 -06 14 36.1                      402
         J99G02J  C1999 04 08.52370 13 06 52.64 -06 14 34.2                      402
         J99G02J  C1999 04 08.52497 13 06 52.52 -06 14 32.8                      402
         J99G02J  C1999 04 08.90961 13 06 22.80 -06 06 57.8                      046
         J99G02J  C1999 04 08.91163 13 06 22.66 -06 06 55.6                      046
         J99G02J  C1999 04 08.91292 13 06 22.57 -06 06 55.2          16.4 R      046
         J99G02J  C1999 04 08.91601 13 06 22.30 -06 06 51.1                      046
         J99G02J  C1999 04 09.02580 13 06 13.39 -06 04 41.6                      118
         J99G02J  C1999 04 09.02860 13 06 13.17 -06 04 37.7                      118
         J99G02J  C1999 04 09.03161 13 06 12.95 -06 04 34.3          17.0 R      118
         J99G02J  C1999 04 09.21983 13 05 58.97 -06 00 49.3          17.7        704
         J99G02J  C1999 04 09.23890 13 05 57.45 -06 00 26.3          18.0        704
         J99G02J  C1999 04 09.25786 13 05 55.93 -06 00 03.6          17.9        704
         J99G02J  C1999 04 09.27695 13 05 54.37 -05 59 41.6          18.7        704
         J99G02J  C1999 04 09.29595 13 05 52.85 -05 59 18.9          18.1        704
         J99G02J  C1999 04 09.31477 13 05 51.29 -05 58 56.0          17.9        704
         J99G02J  C1999 04 09.32656 13 05 50.28 -05 58 41.3                      719
         J99G02J  C1999 04 09.33177 13 05 49.90 -05 58 35.1                      719
         J99G02J  C1999 04 09.33383 13 05 49.71 -05 58 32.8          18.3        704
         J99G02J  C1999 04 09.35283 13 05 48.19 -05 58 09.6          18.8        704
         J99G02J  C1999 04 09.37175 13 05 46.68 -05 57 47.9          18.9        704
         J99G02J  C1999 04 09.39070 13 05 45.17 -05 57 25.9          18.6        704
         J99G02J  C1999 04 09.39772 13 05 44.55 -05 57 16.5                      719
         J99G02J  C1999 04 09.40391 13 05 44.09 -05 57 08.2                      719
         J99G02J  C1999 04 10.04053 13 04 55.20 -05 44 33.7          16.6 R      046
         J99G02J  C1999 04 10.04252 13 04 55.06 -05 44 31.7                      046
         J99G02J  C1999 04 10.04390 13 04 54.92 -05 44 30.1                      046
         J99G02J  C1999 04 10.04591 13 04 54.71 -05 44 27.3                      046
         J99G02J  C1999 04 10.04973 13 04 54.36 -05 44 23.1                      118
         J99G02J  C1999 04 10.05402 13 04 54.01 -05 44 18.4          16.7 R      118
         J99G02J WC1999 04 10.05756 13 04 53.82 -05 44 13.4                      557
         J99G02J WC1999 04 10.05920 13 04 53.65 -05 44 12.2                      557
         J99G02J  C1999 04 10.06247 13 04 53.38 -05 44 08.2                      557
         J99G02J  C1999 04 10.06464 13 04 53.15 -05 44 05.9                      118
         J99G02J  C1999 04 10.54024 13 04 17.19 -05 34 23.7          17.3 R      426
         J99G02J  C1999 04 10.55127 13 04 16.34 -05 34 10.6          17.6 R      426
         J99G02J  C1999 04 10.56230 13 04 15.36 -05 33 57.7          17.4 R      426
    
    Observer details:
    046 Klet.  Observers J. Ticha, M. Tichy, Z. Moravec.  Measurer M. Tichy.
        0.57-m f/5.2 reflector + CCD.
    118 Modra.  Observers L. Kornos, S. Gajdos.  0.6-m f/5.5 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.  Observer L. Sarounova.  0.65-m f/3.6 reflector + CCD.
    699 Lowell Observatory-LONEOS.  Observer B. W. Koehn.  0.59-m LONEOS Schmidt
        + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko, M. Elowitz.  Measurers J. Stuart, H. Viggh, R. Sayer.  1.0-m
        f/2.15 reflector + CCD.
    719 Etscorn Observatory.  Observers D. A. Klinglesmith III, R. Huber.  0.355-m
        Schmidt-Cassegrain + CCD.
    758 BCC Observatory, Cocoa.  Observer I. P. Griffin.  0.30-m f/5 Maksutov
        + CCD.
    844 Los Molinos.  Observer R. Salvo.  0.35-m f/6.4 reflector + CCD.
    859 Serra da Piedade.  Observers C. Jacques, L. Duczmal.  0.3-m f/3.3
        Schimdt-Cassegrain + CCD.
    860 Valinhos.  Observer P. R. Holvorcem.  0.20-m f/3.3 reflector + CCD.
    
    Orbital elements:
    1999 GJ2
    Epoch 1999 Mar. 23.0 TT = JDT 2451260.5                 Williams
    M 227.22251              (2000.0)            P               Q
    n   0.51798368     Peri.  142.22946     +0.92757292     +0.36956433
    a   1.5355313      Node   196.34653     -0.37236577     +0.90214724
    e   0.1982835      Incl.   11.27995     -0.03085797     +0.22260407
    P   1.90           H   16.8           G   0.15
    From 63 observations 1999 Mar. 19-Apr. 10.
    
    Ephemeris:
    1999 GJ2                 a,e,i = 1.54, 0.20, 11                  q = 1.2311
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1999 04 02    13 15.01   -08 19.9    0.758    1.753   171.4     4.9    17.8
    1999 04 07    13 08.82   -06 44.4    0.744    1.744   178.2     1.0    17.5
    1999 04 12    13 02.40   -05 05.4    0.735    1.735   174.5     3.2    17.6
    1999 04 17    12 56.06   -03 26.3    0.732    1.726   167.4     7.3    17.8
    1999 04 22    12 50.07   -01 50.4    0.736    1.716   160.5    11.3    18.0
    1999 04 27    12 44.72   -00 20.8    0.744    1.706   153.8    15.1    18.2
    1999 05 02    12 40.19   +01 00.1    0.758    1.696   147.3    18.7    18.3
    1999 05 07    12 36.62   +02 10.7    0.776    1.685   141.2    22.0    18.4
    1999 05 12    12 34.10   +03 10.0    0.797    1.674   135.4    25.1    18.6
    1999 05 17    12 32.68   +03 57.8    0.822    1.662   129.9    27.8    18.7
    1999 05 22    12 32.37   +04 34.1    0.849    1.651   124.8    30.2    18.8
    1999 05 27    12 33.14   +04 59.5    0.877    1.639   120.0    32.4    19.0
    1999 06 01    12 34.92   +05 14.9    0.908    1.626   115.5    34.2    19.1
    1999 06 06    12 37.65   +05 20.9    0.939    1.614   111.4    35.8    19.2
    1999 06 11    12 41.26   +05 18.5    0.970    1.601   107.5    37.2    19.3
    1999 06 16    12 45.70   +05 08.4    1.002    1.588   103.8    38.4    19.3
    1999 06 21    12 50.90   +04 51.4    1.033    1.575   100.4    39.4    19.4
    1999 06 26    12 56.80   +04 28.2    1.065    1.561    97.2    40.2    19.5
    1999 07 01    13 03.34   +03 59.6    1.095    1.548    94.2    40.9    19.6
    1999 07 06    13 10.47   +03 26.0    1.125    1.534    91.4    41.5    19.6
    1999 07 11    13 18.16   +02 48.0    1.154    1.520    88.7    42.0    19.7
    1999 07 16    13 26.38   +02 06.2    1.182    1.506    86.2    42.3    19.7
    1999 07 21    13 35.09   +01 20.9    1.209    1.492    83.8    42.6    19.7
    1999 07 26    13 44.27   +00 32.7    1.235    1.478    81.5    42.8    19.8
    1999 07 31    13 53.90   -00 18.0    1.259    1.464    79.4    42.9    19.8
    1999 08 05    14 03.96   -01 10.8    1.283    1.450    77.3    43.0    19.8
    1999 08 10    14 14.45   -02 05.4    1.305    1.436    75.4    43.1    19.8
    1999 08 15    14 25.37   -03 01.4    1.325    1.423    73.6    43.1    19.8
    1999 08 20    14 36.71   -03 58.4    1.345    1.409    71.8    43.0    19.9
    1999 08 25    14 48.46   -04 55.9    1.363    1.395    70.2    43.0    19.9
    1999 08 30    15 00.62   -05 53.6    1.381    1.382    68.6    42.9    19.9
    1999 09 04    15 13.20   -06 51.1    1.397    1.369    67.1    42.8    19.9
    1999 09 09    15 26.19   -07 48.0    1.412    1.356    65.7    42.6    19.9
    1999 09 14    15 39.61   -08 43.7    1.426    1.344    64.4    42.5    19.9
    1999 09 19    15 53.46   -09 38.0    1.439    1.332    63.1    42.3    19.9
    1999 09 24    16 07.72   -10 30.2    1.451    1.320    61.9    42.1    19.9
    1999 09 29    16 22.40   -11 19.9    1.463    1.309    60.8    41.9    19.8
    
    Gareth V. Williams           (C) Copyright 1999 MPC           M.P.E.C. 1999-G16
    

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