Central Bureau for Astronomical Telegrams
IAUC 5025: 1990 KA
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Read IAUC 5026
Circular No. 5025
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
1990 KA
The following additional precise positions have been reported:
1990 UT R.A. (1950) Decl. Mag. Observer
Mar. 23.49115 14 35 15.46 + 6 49 06.1 17.0 Helin
23.50885 14 35 16.68 + 6 49 17.9 "
25.44201 14 37 23.09 + 7 09 21.2 "
25.46649 14 37 24.55 + 7 09 36.2 "
Apr. 25.45972 15 00 14.25 +12 04 51.2 16.0 "
25.47222 15 00 14.41 +12 04 54.2 "
May 22.26528 15 10 48.51 + 9 33 57.4 "
23.21962 15 11 19.61 + 9 15 59.5 "
24.68368 15 12 07.58 + 8 46 39.7 16 Seki
24.69167 15 12 07.81 + 8 46 27.8 "
25.59652 15 12 41.37 + 8 27 10.5 14.0 Kawanishi
26.51991 15 13 16.51 + 8 07 14.6 15.5 McNaught
E. Helin, B. Roman, and K. Lawrence (Palomar). 0.46-m Schmidt.
T. Seki (Geisei). 0.60-m reflector.
K. Kawanishi (Akou). 0.20-m f/6.0 reflector.
R. H. McNaught (Siding Spring). Uppsala Southern Schmidt telescope.
Orbital elements from 15 observations Mar. 23-May 26:
T = 1990 June 9.2356 ET Peri. = 146.4883
e = 0.432797 Node = 105.1466 1950.0
q = 1.247405 AU Incl. = 7.5666
a = 2.199221 AU n = 0.3022044 P = 3.261 years
1990 ET R.A. (1950) Decl. Delta r V
May 29 15 14.95 + 7 07.6 0.274 1.253 14.7
June 3 15 19.00 + 4 50.4
8 15 24.01 + 2 12.4 0.270 1.247 14.7
13 15 30.01 - 0 42.2
18 15 37.04 - 3 48.3 0.277 1.251 14.8
23 15 45.09 - 7 00.2
28 15 54.15 -10 12.0 0.295 1.262 15.0
July 3 16 04.17 -13 18.1
8 16 15.04 -16 13.6 0.324 1.281 15.3
1990 May 29 (5025) Daniel W. E. Green
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