Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

IAUC 5173: 1991 BB

The following International Astronomical Union Circular may be linked-to from your own Web pages, but must not otherwise be redistributed (see these notes on the conditions under which circulars are made available on our WWW site).


Read IAUC 5172  SEARCH Read IAUC 5174
IAUC number


                                                  Circular No. 5173
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Telephone 617-495-7244/7440/7444 (for emergency use only)
TWX 710-320-6842 ASTROGRAM CAM     EASYLINK 62794505
MARSDEN or GREEN@CFA.BITNET    MARSDEN or GREEN@CFAPS2.SPAN


1991 BB
     J. Mueller reports her discovery of a fast-moving asteroidal
object on a plate taken by D. Mendenhall in the course of the
second Palomar Sky Survey.  The following positions are available:

     1991 UT             R.A. (1950) Decl.       Mag.   Observer
     Jan. 16.34600    8 32 36.13   + 5 32 01.5          Shoemaker
          16.37673    8 32 27.29   + 5 30 06.7            "
          19.31389    8 18 10.16   + 2 25 01.2   17     Mendenhall
          19.38333    8 17 49.10   + 2 20 39.3            "
          20.31458    8 13 08.83   + 1 20 49.9            "
          20.35278    8 12 57.15   + 1 18 24.5            "

D. Mendenhall (Palomar).  1.2-m Oschin Schmidt Telescope.  Measured
  by Mueller.
C. Shoemaker and D. Levy (Palomar).  Prediscovery 0.46-m Schmidt
  telescope films.  Measured by Levy.

     Preliminary orbital elements by B. G. Marsden, Center for
Astrophysics:

     T = 1991 June 10.990 ET          Peri. = 318.447
     e = 0.27620                      Node  = 294.784   1950.0
     q = 0.88803 AU                   Incl. =  41.213
       a =  1.22689 AU     n = 0.725265     P =   1.36 years

     1991 ET      R.A. (1950) Decl.     Delta      r       V
     Jan. 14     8 43.40    + 7 54.2    0.437    1.401    16.2
          19     8 19.73    + 2 45.3
          24     7 54.24    - 2 36.4    0.406    1.367    16.1
          29     7 28.38    - 7 46.8
     Feb.  3     7 03.67    -12 24.2    0.421    1.331    16.5
           8     6 41.28    -16 16.5
          13     6 21.94    -19 22.1    0.471    1.292    17.0
          18     6 05.89    -21 47.0
          23     5 52.98    -23 39.8    0.537    1.251    17.5
          28     5 42.88    -25 08.8
     Mar.  5     5 35.17    -26 20.7    0.606    1.208    17.8


1991 January 21                (5173)             Daniel W. E. Green

Read IAUC 5172  SEARCH Read IAUC 5174


Our Web policy. Index to the CBAT/MPC/ICQ pages.


Valid HTML 4.01!