Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

IAUC 5506: 1992f; 1992d

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 5505 SEARCH Read IAUC 5507
IAUC number 

                                                  Circular No. 5506
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@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)


PERIODIC COMET SHOEMAKER-LEVY 8 (1992f)
     S. Nakano, Sumoto, Japan, communicates further precise positions by
T. Seki, Geisei, and an improved orbit from observations Mar. 30-Apr. 22:

     1992 UT             R.A. (2000) Decl.        m1
     Apr. 13.77257   15 10 18.03   -16 32 31.8   16.5
          22.59479   15 05 55.64   -15 50 44.4   16
          22.60552   15 05 55.27   -15 50 41.4

     T = 1992 June 19.550 TT          Peri. =  23.883
     e = 0.29055                      Node  = 213.427   2000.0
     q = 2.70962 AU                   Incl. =   6.073
       a =  3.81931 AU     n = 0.132047     P =   7.46 years

1992 TT     R. A. (2000) Decl.     Delta      r    Elong. Phase      m1
Apr. 28    15 02.73    -15 22.7    1.728    2.726  170.3    3.6     16.5
May   8    14 56.30    -14 28.9    1.712    2.720  177.1    1.1     16.5
     18    14 49.99    -13 36.8    1.722    2.716  166.5    5.0     16.5
     28    14 44.64    -12 51.5    1.758    2.713  155.5    8.9     16.6
June  7    14 40.92    -12 16.8    1.816    2.711  144.9   12.4     16.6


COMET TANAKA-MACHHOLZ (1992d)
     Improved parabolic orbital elements from MPC 19980:

     T = 1992 Apr. 22.624 TT          Peri. =  65.411
                                      Node  = 300.505   2000.0
     q = 1.26236 AU                   Incl. =  79.263

1992 TT     R. A. (2000) Decl.     Delta      r    Elong. Phase      m1
Apr. 28    23 36.29    +45 30.0    1.717    1.265   46.9   35.6      8.7
May   3     0 00.89    +50 17.4    1.717    1.272   47.3   35.6      8.7
      8     0 30.00    +54 42.4    1.730    1.284   47.4   35.4      8.8
     13     1 04.40    +58 34.4    1.754    1.300   47.2   34.8      8.9
     18     1 44.45    +61 42.7    1.789    1.320   46.7   33.9      9.0
     23     2 29.52    +63 58.4    1.834    1.344   46.0   32.8      9.1
     28     3 17.57    +65 16.7    1.887    1.372   45.0   31.5      9.3


1992 April 25                  (5506)              Brian G. Marsden

Read IAUC 5505 SEARCH Read IAUC 5507

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

Valid HTML 4.01!