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  • MPEC 1999-R44 : 1999 RQ36

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    M.P.E.C. 1999-R44                                Issued 1999 Sept. 14, 15:18 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 RQ36
    
    Observations:
         J99R36Q* C1999 09 11.40624 01 37 54.90 -27 04 27.5          15.1        704
         J99R36Q  C1999 09 11.42149 01 38 00.18 -27 03 59.6          15.1        704
         J99R36Q  C1999 09 11.43717 01 38 05.61 -27 03 30.2          15.3        704
         J99R36Q  C1999 09 11.45212 01 38 10.83 -27 03 01.1          15.4        704
         J99R36Q  C1999 09 11.46681 01 38 16.03 -27 02 32.4          15.2        704
         J99R36Q  C1999 09 12.01709 01 42 28.07 -26 45 22.0          14.1 V      595
         J99R36Q  C1999 09 12.01988 01 42 29.17 -26 45 16.7                      595
         J99R36Q  C1999 09 12.02109 01 42 30.22 -26 45 10.2                      108
         J99R36Q  C1999 09 12.02154 01 42 29.64 -26 45 17.5          15.0 R      046
         J99R36Q  C1999 09 12.02234 01 42 29.93 -26 45 15.6                      046
         J99R36Q  C1999 09 12.02234 01 42 31.04 -26 45 08.9                      108
         J99R36Q  C1999 09 12.02269 01 42 30.27 -26 45 11.4                      595
         J99R36Q  C1999 09 12.02326 01 42 30.29 -26 45 13.5                      046
         J99R36Q  C1999 09 12.02455 01 42 30.82 -26 45 11.1                      046
         J99R36Q  C1999 09 12.02523 01 42 31.85 -26 45 05.4                      108
         J99R36Q  C1999 09 12.02536 01 42 31.16 -26 45 10.1                      046
         J99R36Q  C1999 09 12.02559 01 42 31.40 -26 45 05.5                      595
         J99R36Q  C1999 09 12.02615 01 42 31.45 -26 45 08.2                      046
         J99R36Q  C1999 09 12.03192 01 42 34.50 -26 44 51.1          14.8 V      108
         J99R36Q  C1999 09 12.08268 01 42 56.05 -26 43 02.3                      620
         J99R36Q  C1999 09 12.08877 01 42 58.37 -26 42 49.4                      620
         J99R36Q  C1999 09 12.09266 01 42 59.88 -26 42 42.0                      620
         J99R36Q  C1999 09 12.09709 01 43 01.66 -26 42 33.0                      620
         J99R36Q  C1999 09 12.39214 01 45 25.42 -26 31 47.2                      670
         J99R36Q  C1999 09 12.40936 01 45 32.53 -26 31 10.9                      670
         J99R36Q  C1999 09 12.42810 01 45 40.11 -26 30 29.6          14.7 R      670
         J99R36Q  C1999 09 12.44483 01 45 46.87 -26 29 51.5                      670
         J99R36Q  C1999 09 12.98193 01 50 27.75 -26 08 32.8          15.3        106
         J99R36Q  C1999 09 12.98586 01 50 32.31 -26 08 02.6                      952
         J99R36Q  C1999 09 12.98690 01 50 32.83 -26 08 00.0                      952
         J99R36Q  C1999 09 12.98854 01 50 33.59 -26 07 56.6                      952
         J99R36Q  C1999 09 12.98970 01 50 34.12 -26 07 53.7                      952
         J99R36Q  C1999 09 12.99405 01 50 36.19 -26 07 44.1                      952
         J99R36Q  C1999 09 12.99627 01 50 37.21 -26 07 39.1                      952
         J99R36Q  C1999 09 13.00171 01 50 36.99 -26 07 45.3          15.3        106
         J99R36Q  C1999 09 13.00328 01 50 37.24 -26 07 45.9          14.8 R      046
         J99R36Q  C1999 09 13.00413 01 50 37.63 -26 07 43.8                      046
         J99R36Q  C1999 09 13.00485 01 50 37.97 -26 07 42.1                      046
         J99R36Q  C1999 09 13.00557 01 50 38.30 -26 07 40.4                      046
         J99R36Q  C1999 09 13.00625 01 50 38.62 -26 07 38.7                      046
         J99R36Q  C1999 09 13.03046 01 50 49.39 -26 06 39.0                      118
         J99R36Q  C1999 09 13.03441 01 50 51.20 -26 06 28.8                      118
         J99R36Q  C1999 09 13.03715 01 50 52.46 -26 06 22.0                      118
         J99R36Q  C1999 09 13.34820 01 53 46.35 -25 51 58.1          15.1        704
         J99R36Q  C1999 09 13.35949 01 53 51.71 -25 51 27.7          15.4        704
         J99R36Q  C1999 09 13.37049 01 53 56.96 -25 50 58.2          15.5        704
         J99R36Q  C1999 09 13.37617 01 54 02.91 -25 50 54.9          15.3 R      848
         J99R36Q  C1999 09 13.37706 01 54 03.41 -25 50 51.8          15.1 R      848
         J99R36Q  C1999 09 13.37796 01 54 03.82 -25 50 49.6          14.6 R      848
         J99R36Q  C1999 09 13.37888 01 54 04.31 -25 50 47.0          14.6 R      848
         J99R36Q  C1999 09 13.37978 01 54 04.76 -25 50 45.3          14.3 R      848
         J99R36Q  C1999 09 13.57924 01 56 06.13 -25 36 37.0          13.8 R      426
         J99R36Q  C1999 09 13.58138 01 56 07.23 -25 36 31.5          13.8 R      426
         J99R36Q  C1999 09 13.58330 01 56 08.26 -25 36 26.7          13.6 R      426
         J99R36Q  C1999 09 14.00843 02 00 17.67 -25 18 59.0          14.4 R      046
         J99R36Q  C1999 09 14.00964 02 00 18.36 -25 18 55.1                      046
         J99R36Q  C1999 09 14.01078 02 00 18.98 -25 18 51.8                      046
         J99R36Q  C1999 09 14.01186 02 00 19.58 -25 18 48.3                      046
         J99R36Q  C1999 09 14.02866 02 00 27.85 -25 17 51.4          15.4        629
         J99R36Q  C1999 09 14.03362 02 00 30.38 -25 17 35.5          15.5        629
         J99R36Q  C1999 09 14.03598 02 00 31.76 -25 17 27.3          16.2        629
         J99R36Q  C1999 09 14.03844 02 00 33.03 -25 17 19.9          16.0        629
         J99R36Q  C1999 09 14.03942 02 00 33.62 -25 17 16.7          16.4        629
         J99R36Q  C1999 09 14.04112 02 00 34.60 -25 17 12.3          15.5        629
         J99R36Q  C1999 09 14.04280 02 00 35.49 -25 17 05.6          15.8        629
         J99R36Q  C1999 09 14.04454 02 00 36.45 -25 16 59.7          16.1        629
         J99R36Q  C1999 09 14.04579 02 00 37.12 -25 16 55.6          15.8        629
         J99R36Q  C1999 09 14.04709 02 00 37.83 -25 16 51.7          16.3        629
    
    Observer details:
    046 Klet.  Observers J. Ticha, M. Tichy, Z. Moravec.  0.57-m f/5.2 reflector
        + CCD.
    106 Crni Vrh.  Observer H. Mikuz.  0.36-m f/6.7 Schmidt-Cassegrain + CCD.
    108 Montelupo.  Observers M. Tombelli, A. Boattini, L. Tesi, D. Guidetti,
        G. Forti, E. Masotti.  Measurers M. Tombelli, A. Boattini, L. Tesi,
        S. Bartolini, G. Forti.  0.30-m f/5.7 Schmidt-Cassegrain + CCD.
    118 Modra.  Observers L. Kornos, P. Koleny.  0.6-m f/5.5 reflector + CCD.
    426 Woomera.  Observer F. B. Zoltowski.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
    595 Farra d'Isonzo.  Observers A. Toso, M. Spolaor, E. Pettarin.  0.40-m f/4.5
        reflector + CCD
    620 Observatorio Astronomico de Mallorca.  Observer S. Sanchez.  Measurers
        J. Rodriguez, S. Sanchez. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
    629 JATE Observatory, Szeged.  Observers K. Sarneczky, L. Kiss.  0.28-m
        Schmidt-Cassegrain + CCD.
    670 Camarillo.  Observer J. E. Rogers.  0.30-m f/6.7 Helin Telescope + 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.
    848 Tenagra Observatory, Cottage Grove.  Observer M. Schwartz.  Measurer
        P. R. Holvorcem.  0.36-m f/11 Schmidt-Cassegrain + CCD.
    952 Marxuquera.  Observer J. J. Gomez.  0.25-m f/6.3 Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    1999 RQ36                                                            PHA 0.001
    Epoch 1999 Aug. 30.0 TT = JDT 2451420.5                 Williams
    M 294.21519              (2000.0)            P               Q
    n   0.81560124     Peri.   64.72024     +0.39163818     -0.92011025
    a   1.1345339      Node     2.23535     +0.80207228     +0.33921545
    e   0.2071861      Incl.    6.00746     +0.45088756     +0.19578052
    P   1.21           H   20.4           G   0.15
    From 59 observations 1999 Sept. 11-14.
    
    Ephemeris:
    1999 RQ36                a,e,i = 1.13, 0.21, 6                   q = 0.8995
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1999 09 09    01 23.36   -27 57.0    0.053    1.049   140.9    37.3    15.6
    1999 09 10    01 28.89   -27 37.5    0.049    1.046   140.4    37.8    15.5
    1999 09 11    01 35.15   -27 13.2    0.046    1.042   139.9    38.5    15.3
    1999 09 12    01 42.28   -26 42.7    0.042    1.039   139.2    39.3    15.2
    1999 09 13    01 50.52   -26 04.4    0.039    1.036   138.3    40.3    15.0
    1999 09 14    02 00.13   -25 15.6    0.035    1.032   137.2    41.5    14.8
    1999 09 15    02 11.48   -24 12.8    0.032    1.029   135.7    43.0    14.7
    1999 09 16    02 25.05   -22 50.8    0.029    1.026   133.9    45.0    14.5
    1999 09 17    02 41.46   -21 02.1    0.026    1.023   131.4    47.5    14.3
    1999 09 18    03 01.54   -18 36.1    0.023    1.019   128.1    50.9    14.1
    1999 09 19    03 26.27   -15 17.8    0.020    1.016   123.6    55.5    14.0
    1999 09 20    03 56.71   -10 49.7    0.018    1.013   117.5    61.6    13.9
    1999 09 21    04 33.66   -04 57.5    0.016    1.010   109.4    69.8    13.9
    1999 09 22    05 16.96   +02 12.4    0.015    1.006    99.4    79.7    14.1
    1999 09 23    06 04.72   +09 55.7    0.015    1.003    88.4    90.8    14.5
    1999 09 24    06 53.27   +17 00.7    0.015    1.000    77.8   101.3    15.0
    1999 09 25    07 38.59   +22 34.5    0.017    0.997    68.9   110.2    15.7
    1999 09 26    08 18.04   +26 28.4    0.019    0.994    62.0   117.1    16.4
    1999 09 27    08 50.88   +29 01.8    0.021    0.991    57.0   122.0    17.0
    1999 09 28    09 17.66   +30 39.4    0.024    0.988    53.4   125.4    17.6
    1999 09 29    09 39.38   +31 40.5    0.027    0.985    50.9   127.9    18.0
    
    1999 10 09    11 12.28   +32 37.7    0.062    0.957    45.9   131.5    20.1
    1999 10 19    11 41.70   +30 47.0    0.099    0.933    48.6   126.8    20.6
    1999 10 29    11 59.76   +28 13.3    0.138    0.915    52.3   120.9    20.8
    1999 11 08    12 15.72   +25 07.1    0.178    0.904    56.1   114.5    20.9
    1999 11 18    12 31.77   +21 38.0    0.217    0.899    59.9   108.1    20.9
    1999 11 28    12 48.63   +17 53.2    0.254    0.903    63.6   101.8    20.9
    1999 12 08    13 06.35   +14 00.7    0.288    0.913    67.3    95.9    20.9
    1999 12 18    13 24.48   +10 08.3    0.316    0.931    71.0    90.2    20.9
    1999 12 28    13 42.64   +06 20.7    0.338    0.954    75.0    85.0    20.9
    2000 01 07    14 00.37   +02 42.0    0.352    0.981    79.3    80.0    20.9
    2000 01 17    14 16.99   -00 45.1    0.359    1.012    84.1    75.2    20.8
    2000 01 27    14 31.90   -04 00.3    0.359    1.045    89.4    70.5    20.7
    2000 02 06    14 44.22   -07 03.9    0.352    1.079    95.6    65.5    20.6
    2000 02 16    14 52.73   -09 56.7    0.338    1.113   102.8    59.9    20.4
    2000 02 26    14 56.05   -12 40.7    0.321    1.146   111.3    53.6    20.2
    2000 03 07    14 52.29   -15 14.8    0.302    1.179   121.5    45.9    19.9
    2000 03 17    14 39.58   -17 32.2    0.285    1.209   133.7    36.5    19.6
    2000 03 27    14 17.39   -19 17.9    0.274    1.238   147.7    25.5    19.2
    2000 04 06    13 47.93   -20 09.7    0.274    1.264   162.2    14.0    18.9
    2000 04 16    13 17.32   -19 59.6    0.289    1.288   169.0     8.5    18.8
    2000 04 26    12 52.23   -19 08.0    0.318    1.309   159.4    15.7    19.4
    2000 05 06    12 36.01   -18 07.0    0.361    1.327   147.3    24.3    19.9
    2000 05 16    12 28.81   -17 21.2    0.414    1.342   136.5    31.2    20.5
    2000 05 26    12 29.01   -17 00.0    0.474    1.354   127.3    36.5    20.9
    2000 06 05    12 34.88   -17 03.6    0.538    1.362   119.4    40.5    21.3
    2000 06 15    12 45.09   -17 29.3    0.605    1.367   112.6    43.3    21.7
    2000 06 25    12 58.57   -18 12.7    0.674    1.370   106.5    45.4    22.0
    
    Gareth V. Williams           (C) Copyright 1999 MPC           M.P.E.C. 1999-R44
    

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