Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

IAUC 5184: 1991e

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 5183 SEARCH Read IAUC 5185
IAUC number 

                                                  Circular No. 5184
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


PERIODIC COMET SHOEMAKER-LEVY 3 (1991e)
     The following precise positions have been reported:

     1991 UT             R.A. (1950) Decl.        m1    Observer
     Feb.  9.17072    9 18 45.65   +13 31 27.1          McCrosky
           9.19856    9 18 44.31   +13 31 30.2            "
           9.36041    9 18 36.56   +13 31 47.0            "
           9.49549    9 18 30.27   +13 32 05.3   17     Sugie
           9.51215    9 18 29.07   +13 32 06.4            "
          10.15613    9 17 59.78   +13 33 11.4          McCrosky
          10.17293    9 17 58.97   +13 33 12.9            "
          10.56528    9 17 40.88   +13 33 59.0   17     McNaught
          11.17399    9 17 12.51   +13 34 58.3          McCrosky
          11.29214    9 17 06.94   +13 35 10.4            "
          11.47634    9 16 58.72   +13 35 34.5          McNaught

R. E. McCrosky, C.-Y. Shao and O. C. Dahl (Oak Ridge).  1.5-m
   reflector + CCD.
A. Sugie (Dynic Astronomical Observatory).  0.25-m f/3.4 Schmidt.
R. H. McNaught (Siding Spring).  Uppsala Southern Schmidt telescope.

     Preliminary orbital elements by B. G. Marsden, Center for
Astrophysics, from 11 observations Feb. 7-11:

     T = 1991 Feb. 26.886 ET          Peri. = 199.128
     e = 0.23326                      Node  = 303.295   1950.0
     q = 2.87363 AU                   Incl. =   5.155
       a =  3.74787 AU     n = 0.135840     P =   7.26 years

     1991 ET      R.A. (1950) Decl.     Delta      r       m1
     Feb.  3     9 23.53    +13 21.0    1.894    2.876    17.0
           8     9 19.67    +13 29.5
          13     9 15.81    +13 38.2    1.891    2.874    17.0
          18     9 12.06    +13 46.7
          23     9 08.55    +13 54.6    1.917    2.874    17.0
          28     9 05.38    +14 01.5
     Mar.  5     9 02.63    +14 07.1    1.969    2.874    17.1
          10     9 00.38    +14 11.1
          15     8 58.67    +14 13.5    2.044    2.875    17.1


1991 February 11               (5184)             Daniel W. E. Green

Read IAUC 5183 SEARCH Read IAUC 5185

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

Valid HTML 4.01!