MPEC 1999-R18 : 1999 RJ27

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M.P.E.C. 1999-R18                                Issued 1999 Sept.  9, 18:23 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 RJ27

Observations:
     J99R27J* C1999 09 06.33790 00 03 00.86 +01 42 50.2          20.0 V      691
     J99R27J  C1999 09 06.35875 00 02 58.92 +01 41 48.2          19.9 V      691
     J99R27J  C1999 09 06.37962 00 02 57.11 +01 40 48.1          20.1 V      691
     J99R27J  C1999 09 07.22529 00 01 46.65 +00 59 35.5          19.3 V      691
     J99R27J  C1999 09 07.22974 00 01 46.21 +00 59 22.0          19.6 V      691
     J99R27J  C1999 09 07.45818 00 01 25.64 +00 48 15.6          20.1 V      691
     J99R27J  C1999 09 07.46288 00 01 25.22 +00 48 02.0          20.2 V      691
     J99R27J  C1999 09 07.99199 00 00 40.85 +00 22 17.3                      557
     J99R27J  C1999 09 08.01321 00 00 39.00 +00 21 15.9          19.5 V      557
     J99R27J  C1999 09 08.02494 00 00 37.92 +00 20 41.3                      557
     J99R27J  C1999 09 08.02730 00 00 37.74 +00 20 34.3          19.6 V      557
     J99R27J  C1999 09 08.99251 23 59 15.54 -00 26 02.6          18.5 R      046
     J99R27J  C1999 09 08.99431 23 59 15.45 -00 26 05.2                      046
     J99R27J  C1999 09 08.99606 23 59 15.27 -00 26 12.7          18.0 R      046
     J99R27J  C1999 09 08.99900 23 59 14.96 -00 26 20.3                      046

Observer details:
046 Klet.  Observers J. Ticha, M. Tichy.  0.57-m f/5.2 reflector + CCD.
557 Ondrejov.  Observers L. Sarounova, P. Kusnirak.  0.65-m f/3.6 reflector
    + CCD.
691 Steward Observatory, Kitt Peak.  Observer T. Gehrels.  0.9-m Spacewatch
    telescope.

Orbital elements:
1999 RJ27
Epoch 1999 Aug. 30.0 TT = JDT 2451420.5                 Williams
M  70.56997              (2000.0)            P               Q
n   0.54734281     Peri.   64.02925     -0.56600125     +0.82119047
a   1.4801183      Node   170.44395     -0.82114475     -0.56940229
e   0.3521849      Incl.   25.98045     +0.07323854     -0.03777885
P   1.80           H   19.5           G   0.15
From 15 observations 1999 Sept. 6-8.

Ephemeris:
1999 RJ27                a,e,i = 1.48, 0.35, 26                  q = 0.9588
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1999 09 09    23 59.25   -00 26.1    0.538    1.536   166.2     9.0    19.7
1999 09 14    23 52.11   -04 20.7    0.555    1.559   173.5     4.2    19.6
1999 09 19    23 45.19   -07 57.8    0.580    1.582   173.8     4.0    19.7
1999 09 24    23 38.79   -11 11.4    0.611    1.605   167.2     7.9    20.0
1999 09 29    23 33.16   -13 58.2    0.649    1.627   160.1    12.1    20.3
1999 10 04    23 28.47   -16 17.5    0.692    1.648   153.3    15.8    20.6
1999 10 09    23 24.81   -18 10.3    0.740    1.669   146.9    19.1    20.9
1999 10 14    23 22.26   -19 38.8    0.793    1.689   141.0    21.8    21.2
1999 10 19    23 20.80   -20 45.6    0.850    1.709   135.4    24.2    21.4
1999 10 24    23 20.39   -21 33.6    0.910    1.728   130.2    26.1    21.7
1999 10 29    23 20.95   -22 05.5    0.973    1.747   125.3    27.7    21.9

Gareth V. Williams           (C) Copyright 1999 MPC           M.P.E.C. 1999-R18

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