• Processing (Info)

    • MPEC 1999-R22 : 1999 RN28

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.

    Read MPEC 1999-R21 Read MPEC 1999-R23 

    M.P.E.C. 1999-R22                                Issued 1999 Sept. 10, 16:12 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 RN28

Observations:
     J99R28N* C1999 09 07.28455 22 11 58.58 -15 38 54.3          19.0        704
     J99R28N  C1999 09 07.29712 22 11 59.20 -15 38 04.7          19.2        704
     J99R28N  C1999 09 07.30934 22 11 59.94 -15 37 15.1          18.8        704
     J99R28N  C1999 09 07.32141 22 12 00.61 -15 36 27.7          18.9        704
     J99R28N  C1999 09 07.33351 22 12 01.28 -15 35 40.1          19.0        704
     J99R28N  C1999 09 08.91814 22 13 56.05 -13 53 04.1          18.9 V      557
     J99R28N  C1999 09 08.91942 22 13 56.17 -13 52 59.3                      557
     J99R28N  C1999 09 08.92071 22 13 56.25 -13 52 54.2                      557
     J99R28N  C1999 09 08.92199 22 13 56.30 -13 52 49.2                      557
     J99R28N  C1999 09 08.97225 22 13 59.20 -13 49 34.5                      046
     J99R28N  C1999 09 08.97403 22 13 59.35 -13 49 28.1          18.0 R      046
     J99R28N  C1999 09 08.97535 22 13 59.43 -13 49 22.7                      046
     J99R28N  C1999 09 08.97640 22 13 59.52 -13 49 19.7                      046
     J99R28N  C1999 09 08.97782 22 13 59.54 -13 49 13.3          17.7 R      046
     J99R28N  C1999 09 09.19516 22 14 16.86 -13 35 13.7          18.8        704
     J99R28N  C1999 09 09.20906 22 14 17.56 -13 34 22.0          19.2        704
     J99R28N  C1999 09 09.22335 22 14 18.40 -13 33 26.8          19.1        704
     J99R28N  C1999 09 09.23735 22 14 19.15 -13 32 33.2          19.2        704
     J99R28N  C1999 09 09.25122 22 14 19.91 -13 31 40.6          19.2        704
     J99R28N  C1999 09 09.28895 22 14 22.01 -13 29 15.7          18.8        704
     J99R28N  C1999 09 09.30320 22 14 22.81 -13 28 21.5          18.5        704
     J99R28N  C1999 09 09.31763 22 14 23.63 -13 27 27.4          19.3        704
     J99R28N  C1999 09 09.33157 22 14 24.37 -13 26 33.6          18.9        704
     J99R28N  C1999 09 09.89929 22 15 06.40 -12 50 41.4          17.7 R      046
     J99R28N  C1999 09 09.90128 22 15 06.50 -12 50 32.2                      046
     J99R28N  C1999 09 09.90306 22 15 06.70 -12 50 26.7                      046
     J99R28N  C1999 09 09.90529 22 15 06.72 -12 50 18.3                      046
     J99R28N  C1999 09 09.93734 22 15 08.61 -12 48 18.5          19.1 V      557
     J99R28N  C1999 09 09.93863 22 15 08.69 -12 48 13.0                      557
     J99R28N  C1999 09 09.93991 22 15 08.78 -12 48 08.3                      557
     J99R28N  C1999 09 10.56439 22 15 53.92 -12 08 06.5          18.5 R      426
     J99R28N  C1999 09 10.56855 22 15 54.17 -12 07 49.8          18.6 R      426
     J99R28N  C1999 09 10.57275 22 15 54.42 -12 07 34.3          18.9 R      426

Observer details:
046 Klet.  Observers M. Tichy, Z. Moravec.  0.57-m f/5.2 reflector + CCD.
426 Woomera.  Observer F. B. Zoltowski.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
557 Ondrejov.  Observers P. Pravec, P. Kusnirak.  0.65-m f/3.6 reflector + 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.

Orbital elements:
1999 RN28
Epoch 1999 Aug. 30.0 TT = JDT 2451420.5                 Williams
M   1.78971              (2000.0)            P               Q
n   0.30102792     Peri.  342.53369     +0.85542373     +0.51660907
a   2.2049472      Node   346.17758     -0.45481311     +0.71513574
e   0.4638798      Incl.    8.89701     -0.24778070     +0.47084599
P   3.27           H   21.3           G   0.15
From 33 observations 1999 Sept. 7-10.

Ephemeris:
1999 RN28                a,e,i = 2.20, 0.46, 9                   q = 1.1821
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1999 09 09    22 14.03   -13 47.2    0.193    1.194   164.4    13.1    18.9
1999 09 14    22 19.99   -08 41.5    0.205    1.203   162.8    14.3    19.1
1999 09 19    22 26.01   -04 09.2    0.220    1.214   160.4    16.1    19.3
1999 09 24    22 32.15   -00 13.9    0.239    1.228   157.6    18.2    19.6
1999 09 29    22 38.44   +03 05.1    0.261    1.243   154.6    20.2    19.9
1999 10 04    22 44.90   +05 50.5    0.286    1.260   151.8    22.1    20.1
1999 10 09    22 51.59   +08 06.7    0.314    1.279   149.0    23.7    20.4
1999 10 14    22 58.54   +09 58.6    0.345    1.299   146.3    25.2    20.7
1999 10 19    23 05.77   +11 30.6    0.379    1.321   143.7    26.5    21.0
1999 10 24    23 13.27   +12 46.8    0.416    1.344   141.2    27.6    21.3
1999 10 29    23 21.00   +13 50.5    0.455    1.369   138.6    28.7    21.5
1999 11 03    23 28.96   +14 44.4    0.498    1.394   136.1    29.6    21.8
1999 11 08    23 37.13   +15 30.9    0.543    1.420   133.6    30.4    22.0

Gareth V. Williams           (C) Copyright 1999 MPC           M.P.E.C. 1999-R22

    Read MPEC 1999-R21 Read MPEC 1999-R23

    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)