Central Bureau for Astronomical Telegrams
IAUC 5062: 1990 MU
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Read IAUC 5063
Circular No. 5062
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 MU
R. H. McNaught, University of Adelaide, reports his discovery
of a fast-moving asteroidal object on a U.K. Schmidt Telescope plate
taken by M. Hartley. On the June 29 U.K. Schmidt plate by K. S. Russell,
the trail fades out at the end due to cloud.
1990 UT R.A. (1950) Decl. V Observer
June 23.77851 21 32 05.17 -42 59 58.8 17 Hartley
23.82017 21 32 00.43 -43 01 06.7 "
29.73096 21 19 31.38 -45 40 54.8 Russell
29.79346 21 19 22.07 -45 42 30.4 "
July 25.60734 20 04 54.01 -52 33 53.5 17.5 Hartley
25.62977 20 04 50.10 -52 34 00.2 "
Orbital elements by McNaught from the above observations:
T = 1990 Feb. 18.3419 ET Peri. = 77.3373
e = 0.657366 Node = 77.4929 1950.0
q = 0.555931 AU Incl. = 24.4392
a = 1.622521 AU n = 0.4768902 P = 2.067 years
1990 ET R.A. (1950) Decl. Delta r V
June 18 21 41.59 -40 13.3 0.888 1.708 17.0
23 21 33.53 -42 37.9
28 21 23.46 -44 55.7 0.902 1.790 17.0
July 3 21 11.50 -47 01.7
8 20 57.93 -48 51.8 0.938 1.867 17.0
13 20 43.18 -50 22.2
18 20 27.84 -51 31.1 0.999 1.940 17.2
23 20 12.59 -52 17.9
28 19 58.11 -52 43.8 1.085 2.009 17.5
Aug. 2 19 44.94 -52 51.3
7 19 33.48 -52 43.7 1.193 2.074 17.8
12 19 23.91 -52 24.4
17 19 16.27 -51 56.4 1.321 2.135 18.1
22 19 10.52 -51 22.2
27 19 06.54 -50 44.1 1.464 2.192 18.5
Sept. 1 19 04.15 -50 03.7
6 19 03.19 -49 22.1 1.619 2.246 18.8
1990 July 26 (5062) Daniel W. E. Green
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