Central Bureau for Astronomical Telegrams
IAUC 3266: 1978k; 1978 PA; V861 Sco
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Read IAUC 3267
Circular No. 3266
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM Telephone 617-864-5758
COMET GICLAS (1978k)
H. L. Giclas, Lowell Observatory, provides the following
additional precise positions. Measurer: M. L. Kantz.
1978 UT R. A. (1950) Decl.
Sept.10.33750 0 07 58.69 - 9 23 09.4
11.34122 0 07 49.31 - 9 34 48.3
12.36736 0 07 39.07 - 9 46 38.8
Parabolic and elliptical orbital elements have been determined
by the undersigned as shown below. The elliptical elements seem
more probable (although e is uncertain) and are used for the
ephemeris.
T = 1979 Jan. 9.639 1978 Nov. 21.750 ET
Peri. = 259.153 247.443
Node = 150.875 141.576 1950.0
Incl. = 14.107 8.568
q = 1.85782 1.73260 AU
e = 1.0 0.51434
1978 ET R. A. (1950) Decl. Delta r m1
Sept. 9 0 08.17 - 9 07.6 0.872 1.862 15.9
19 0 06.21 -11 03.1
29 0 03.37 -12 50.1 0.818 1.803 15.6
Oct. 9 0 00.89 -14 12.6
19 0 00.10 -14 59.1 0.843 1.761 15.6
m1 = 13.5 + 5 log Delta + 10 log r
1978 PA
R. M. West, European Southern Observatory, communicates
precise measurements for the observations reported on IAUC 3253 and
3255. It appears that the object is of Hungaria type. Further
details will appear on the Minor Planet Circulars.
V861 SCORPII
R. F. Jameson, Leicester University, informs us that the item
on V861 Sco on IAUC 3261 should be ignored.
1978 September 14 (3266) Brian G. Marsden
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