Central Bureau for Astronomical Telegrams
IAUC 4813: 1989p
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Read IAUC 4814
Circular No. 4813
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 LOVAS 1 (1989p)
T. Seki, Geisei, Japan, has recovered this comet with a 0.60-m
reflector, as indicated below. The comet was diffuse with central
condensation. The indicated correction to the prediction on MPC
12135 is Delta(T) = -0.22 day.
1989 UT R.A. (1950) Decl. m1
July 7.77206 2 04 40.92 +17 41 16.4 17.5
13.77326 2 17 52.2 +19 26 46 17
The following orbital elements are from 15 observations
1980-1989:
Epoch = 1989 Oct. 1.0 ET
T = 1989 Oct. 10.5046 ET Peri. = 73.6166
e = 0.614235 Node = 341.7172 1950.0
q = 1.679619 AU Incl. = 12.1979
a = 4.353990 AU n = 0.1084858 P = 9.085 years
1989/90 R.A. (1950) Decl. Delta r m1
July 13 2 16.14 +19 13.1 1.965 1.912 17.3
23 2 38.81 +22 08.9
Aug. 2 3 02.48 +25 03.3 1.724 1.825 16.8
12 3 27.15 +27 53.9
22 3 52.79 +30 38.1 1.511 1.756 16.3
Sept. 1 4 19.26 +33 13.2
11 4 46.22 +35 36.4 1.328 1.707 15.9
21 5 13.25 +37 45.5
Oct. 1 5 39.69 +39 39.5 1.177 1.683 15.6
11 6 04.66 +41 18.3
21 6 27.25 +42 43.0 1.054 1.683 15.4
31 6 46.34 +43 55.6
Nov. 10 7 00.86 +44 57.3 0.959 1.709 15.2
20 7 09.97 +45 47.8
30 7 13.10 +46 23.3 0.901 1.759 15.2
Dec. 10 7 10.47 +46 36.7
20 7 03.37 +46 19.5 0.899 1.829 15.4
30 6 53.98 +45 26.8
Jan. 9 6 44.96 +44 00.6 0.972 1.917 15.8
1989 July 14 (4813) Daniel W. E. Green
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