THE ASTRONOMER Electronic Circular No 585       1991 Dec 12 20.14UT
Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise,  Basingstoke,
Hants, RG22 4PP,England. Telephone/FAX(0256)471074 Int:+44256471074
Telex: 9312111261 Answerback: TA G                     JANET BOXES:
GMH at UK.AC.CAM.ASTRONOMY.STARLINK or GUYH at UK.AC.SUSSEX.CLUSTER
TELECOM GOLD: 10074:MIK2885                       PRESTEL 256471074
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E-INDEX
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1991 XB
A fast-moving asteroidal object has been discovered by C. S.
Shoemaker on exposures by E. M. Shoemaker, D. H. Levy, and herself
with the 0.46-m Palomar Schmidt.  The following precise positions
have been measured by B. A. Skiff at the Lowell Observatory:
     1991 UT             R.A. (1950) Decl.       Mag.
     Dec.  1.31197    3 37 51.86   +25 10 57.7   16.2
           1.34427    3 37 56.10   +25 08 56.6
           3.30885    3 42 35.77   +23 04 43.2   16.2
           3.34131    3 42 39.99   +23 02 39.7
           6.23298    3 49 20.34   +20 02 51.6
           6.24322    3 49 21.52   +20 02 18.0   16.5
           6.37344    3 49 37.71   +19 54 18.7
     Orbital elements by E. Bowell, Lowell Observatory, from six of
the above observations:
     T = 1991 Nov. 26.779 ET          Peri. = 171.682
     e = 0.60752                      Node  = 249.976   1950.0
     q = 1.25928 AU                   Incl. =  16.577
       a =  3.20852 AU     n = 0.171493     P =   5.75 years
     1991 ET      R.A. (1950) Decl.     Delta      r       V
     Nov. 30     3 34.70    +26 34.3    0.278    1.260    15.4
     Dec.  5     3 46.52    +21 19.1
          10     3 57.65    +16 19.3    0.294    1.269    15.7
          15     4 08.12    +11 49.6
          20     4 18.02    + 7 58.2    0.331    1.289    16.2
          25     4 27.40    + 4 47.7
          30     4 36.37    + 2 16.8    0.387    1.320    16.8
IAUC 5399

T LEONIS
Patrick Schmeer, Germany e-mails that this star is again in
outburst (cf E494):
1991 Dec 10.123, [14.2; 11.092, 12.5; 11.137, 12.0; 11.187, 11.5.

Guy M Hurst