Central Bureau for Astronomical Telegrams
IAUC 5106: 1990 SS
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Read IAUC 5107
Circular No. 5106
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 SS
J. V. Scotti, University of Arizona, reports his discovery
using a new automatic detection system on the Spacewatch Telescope
at Kitt Peak, of a fast-moving asteroidal object:
1990 UT R.A. (1950) Decl. V
Sept.25.19848 0 04 36.41 + 2 39 37.4
25.22102 0 04 32.95 + 2 39 49.7 19.3
25.24355 0 04 29.43 + 2 40 01.4
26.35959 0 01 38.44 + 2 49 49.5 18.9
26.37101 0 01 36.61 + 2 49 55.8
26.37760 0 01 35.67 + 2 49 58.6
27.31056 23 59 10.56 + 2 58 17.1
27.32177 23 59 08.74 + 2 58 23.1 18.8
27.33043 23 59 07.35 + 2 58 27.8
27.33618 23 59 06.41 + 2 58 30.7
28.19435 23 56 51.41 + 3 06 14.9
28.21532 23 56 47.95 + 3 06 26.9
28.23589 23 56 44.61 + 3 06 37.7 19.2
28.34560 23 56 26.56 + 3 07 37.8
28.36612 23 56 23.19 + 3 07 48.8
28.38670 23 56 19.88 + 3 08 00.3
Orbital elements by G. V. Williams from the above positions:
T = 1991 Feb. 3.297 ET Peri. = 116.177
e = 0.51675 Node = 359.659 1950.0
q = 0.87847 AU Incl. = 22.208
a = 1.81784 AU n = 0.402134 P = 2.45 years
1990 ET R.A. (1950) Decl. Delta r V
Sept.26 0 02.57 + 2 46.7 0.680 1.682 18.0
Oct. 1 23 49.26 + 3 32.2
6 23 35.16 + 4 20.3 0.628 1.611 18.1
11 23 20.76 + 5 10.5
16 23 06.61 + 6 02.6 0.603 1.537 18.2
21 22 53.25 + 6 56.4
26 22 41.12 + 7 51.8 0.600 1.462 18.4
1990 September 29 (5106) Daniel W. E. Green
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