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IAU Minor Planet Center

Minor Planet Center

MPEC 1999-R23: 1999 RO28

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M.P.E.C. 1999-R23                                Issued 1999 Sept. 10, 16:15 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 RO28

Observations:
     J99R28O* C1999 09 07.32994 23 41 39.78 -14 32 00.5          18.4 R      699
     J99R28O  C1999 09 07.36058 23 41 44.80 -14 32 43.3                      699
     J99R28O  C1999 09 07.39127 23 41 49.86 -14 33 27.3                      699
     J99R28O  C1999 09 07.94374 23 43 29.41 -14 46 47.9          18.8        106
     J99R28O  C1999 09 07.96318 23 43 32.61 -14 47 16.4          18.2        106
     J99R28O  C1999 09 07.98263 23 43 35.87 -14 47 43.8          18.1        106
     J99R28O  C1999 09 07.98601 23 43 36.41 -14 47 50.0                      557
     J99R28O  C1999 09 07.98787 23 43 36.76 -14 47 52.3                      557
     J99R28O  C1999 09 07.98975 23 43 37.07 -14 47 55.0                      557
     J99R28O  C1999 09 08.04773 23 43 46.84 -14 49 18.5          19.1 V      595
     J99R28O  C1999 09 08.05647 23 43 48.37 -14 49 29.8                      595
     J99R28O  C1999 09 08.06211 23 43 49.34 -14 49 38.8                      595
     J99R28O  C1999 09 08.92495 23 46 26.04 -15 10 20.5                      046
     J99R28O  C1999 09 08.92694 23 46 26.46 -15 10 22.8                      046
     J99R28O  C1999 09 08.92816 23 46 26.67 -15 10 24.8                      046
     J99R28O  C1999 09 08.93030 23 46 27.00 -15 10 28.1                      046
     J99R28O  C1999 09 08.93296 23 46 27.48 -15 10 31.3          17.3 R      046
     J99R28O  C1999 09 09.53009 23 48 17.04 -15 24 09.0          17.9 R      426
     J99R28O  C1999 09 09.53358 23 48 17.59 -15 24 15.0          17.7 R      426
     J99R28O  C1999 09 09.53703 23 48 18.16 -15 24 19.7          17.7 R      426
     J99R28O  C1999 09 09.58045 23 48 25.07 -15 25 26.8          18.7 R      428
     J99R28O  C1999 09 09.63475 23 48 34.47 -15 26 43.6          18.7 R      428
     J99R28O  C1999 09 09.99027 23 49 39.94 -15 35 51.4                      557
     J99R28O  C1999 09 09.99155 23 49 40.14 -15 35 53.1                      557
     J99R28O  C1999 09 09.99285 23 49 40.36 -15 35 55.0                      557
     J99R28O  C1999 09 09.99413 23 49 40.61 -15 35 56.8                      557
     J99R28O  C1999 09 10.02478 23 49 45.99 -15 36 38.7          17.0 R      046
     J99R28O  C1999 09 10.02630 23 49 46.26 -15 36 42.1                      046
     J99R28O  C1999 09 10.02882 23 49 46.57 -15 36 45.1                      046
     J99R28O  C1999 09 10.03122 23 49 47.04 -15 36 47.8                      046
     J99R28O  C1999 09 10.55146 23 51 24.56 -15 48 33.2          17.5 R      426
     J99R28O  C1999 09 10.55484 23 51 25.14 -15 48 38.4          17.9 R      426
     J99R28O  C1999 09 10.55821 23 51 25.74 -15 48 42.9          17.7 R      426

Observer details:
046 Klet.  Observers 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.
426 Woomera.  Observer F. B. Zoltowski.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
428 Reedy Creek.  Observer J. Broughton.  0.25-m f/6.3 Schmidt-Cassegrain
    + CCD.
557 Ondrejov.  Observers P. Pravec, L. Sarounova, P. Kusnirak.  0.65-m f/3.6
    reflector + CCD.
595 Farra d'Isonzo.  Observers M. Spolaor, A. Toso, E. Pettarin.  0.40-m f/4.5
    reflector + CCD
699 Lowell Observatory-LONEOS.  Observer W. D. Ferris.  Measurer B. W. Koehn.
    0.59-m LONEOS Schmidt + CCD.

Orbital elements:
1999 RO28
Epoch 1999 Aug. 30.0 TT = JDT 2451420.5                 Williams
M 355.10775              (2000.0)            P               Q
n   0.14714122     Peri.  219.74427     +0.98629695     -0.14707043
a   3.5534195      Node   148.47375     +0.16236888     +0.94561094
e   0.6530775      Incl.    8.21970     -0.02923491     +0.29015554
P   6.70           H   19.9           G   0.15
From 33 observations 1999 Sept. 7-10.

Ephemeris:
1999 RO28                a,e,i = 3.55, 0.65, 8                   q = 1.2328
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1999 09 09    23 46.65   -15 11.6    0.265    1.266   166.5    10.7    18.2
1999 09 14    00 02.23   -17 09.4    0.256    1.254   163.8    12.9    18.2
1999 09 19    00 18.54   -18 57.9    0.250    1.244   160.8    15.4    18.2
1999 09 24    00 35.15   -20 29.8    0.249    1.237   157.8    17.9    18.3
1999 09 29    00 51.57   -21 39.3    0.251    1.233   155.0    20.1    18.4
1999 10 04    01 07.28   -22 23.1    0.256    1.233   152.6    21.9    18.5
1999 10 09    01 21.86   -22 39.8    0.264    1.236   150.6    23.3    18.6
1999 10 14    01 35.09   -22 30.0    0.275    1.241   149.2    24.3    18.7
1999 10 19    01 46.87   -21 55.8    0.288    1.250   148.2    24.9    18.8
1999 10 24    01 57.23   -21 00.4    0.305    1.262   147.4    25.1    19.0
1999 10 29    02 06.27   -19 47.6    0.324    1.277   147.0    25.1    19.1
1999 11 03    02 14.15   -18 20.6    0.345    1.294   146.5    25.0    19.3
1999 11 08    02 21.09   -16 42.6    0.370    1.314   146.1    24.9    19.5
1999 11 13    02 27.33   -14 56.3    0.398    1.337   145.6    24.8    19.7
1999 11 18    02 33.10   -13 04.6    0.428    1.361   144.8    24.8    19.9
1999 11 23    02 38.56   -11 09.8    0.462    1.388   143.8    24.9    20.1
1999 11 28    02 43.84   -09 14.2    0.500    1.416   142.4    25.1    20.3
1999 12 03    02 49.06   -07 19.3    0.541    1.446   140.8    25.5    20.5
1999 12 08    02 54.31   -05 26.4    0.585    1.477   139.0    26.0    20.8
1999 12 13    02 59.69   -03 36.4    0.633    1.510   136.8    26.5    21.0
1999 12 18    03 05.25   -01 50.1    0.685    1.544   134.5    27.0    21.2
1999 12 23    03 11.01   -00 08.1    0.740    1.579   132.1    27.6    21.5
1999 12 28    03 16.98   +01 29.1    0.799    1.614   129.5    28.1    21.7

Gareth V. Williams           (C) Copyright 1999 MPC           M.P.E.C. 1999-R23

Read MPEC 1999-R22 Read MPEC 1999-R24


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