Central Bureau for Astronomical Telegrams
IAUC 5390: 1991 VH
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Circular No. 5390
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
1991 VH
R. H. McNaught, Siding Spring Observatory, reports his
discovery of a fast-moving asteroidal object on an exposure by M. J.
Drinkwater with the 1.2-m U.K. Schmidt and his own subsequent
observations of it with the 0.5-m Uppsala Southern Schmidt. The images
on Nov. 13-16 are all faint and difficult to measure.
1991 UT R.A. (1950) Decl. V Observer
Nov. 9.41353 23 21 40.98 -67 31 13.7 17 Drinkwater
9.45867 23 22 03.45 -67 29 45.2 "
13.61782 23 53 48.36 -65 10 35.1 McNaught
13.62824 23 53 52.98 -65 10 14.6 "
14.49236 23 59 48.54 -64 38 38.8 "
14.64317 0 00 46.64 -64 32 41.7 "
16.65845 0 13 33.48 -63 14 59.4 "
16.66620 0 13 36.09 -63 14 41.2 "
17.68255 0 19 37.49 -62 33 50.9 "
17.69074 0 19 40.30 -62 33 30.1 "
Orbital elements by B. G. Marsden, Harvard-Smithsonian Center
for Astrophysics, from the above observations:
T = 1991 Sept.22.775 ET Peri. = 206.953
e = 0.15546 Node = 138.513 1950.0
q = 0.97371 AU Incl. = 14.636
a = 1.15294 AU n = 0.796148 P = 1.24 years
1991 ET R.A. (1950) Decl. Delta r m1
Nov. 10 23 26.54 -67 12.9 0.308 1.025 17.1
15 0 03.18 -64 19.3
20 0 32.45 -60 57.3 0.319 1.046 17.1
25 0 56.14 -57 14.1
30 1 15.74 -53 14.1 0.330 1.069 17.1
Dec. 5 1 32.44 -49 00.2
10 1 47.10 -44 35.0 0.344 1.094 17.1
15 2 00.34 -40 01.4
20 2 12.58 -35 22.4 0.362 1.119 17.2
25 2 24.13 -30 41.0
30 2 35.23 -26 00.1 0.387 1.144 17.3
1991 November 18 (5390) Daniel W. E. Green
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