Circular No. 5824

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@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)

1993 MO

J. Mueller reports her discovery of a fast-moving asteroidal object on plates taken for the second Palomar Sky Survey. The following positions have been reported:

1993 UT α_{2000} δ_{2000} Mag. Observer
June 22.26181 17^{h}12^{m}03.^{s}60 +17^{o}44′16′′.2  16.5 Mueller
22.32778 17 11 58.82 +17 40 40.1  _{”}
24.18403 17 10 01.02 +15 52 23.2  _{”}
24.19931 17 09 59.91 +15 51 32.8  _{”}
25.22674 17 08 55.43 +14 48 46.1  15.7 Rogers
25.23750 17 08 54.68 +14 48 06.9  _{”}
25.24479 17 08 54.12 +14 47 39.1  _{”}
25.26389 17 08 52.78 +14 46 27.6  _{”}
25.28056 17 08 51.61 +14 45 25.9  _{”}
25.29618 17 08 50.55 +14 44 27.2  _{”}
25.30764 17 08 49.44 +14 43 44.8  16.0 Helin
25.31389 17 08 49.23 +14 43 20.8  Rogers
25.33281 17 08 47.79 +14 42 10.1  Helin
25.45521 17 08 41.54 +14 35 01.3  McNaught
25.46192 17 08 41.18 +14 34 39.2  _{”}
26.18681 17 07 57.20 +13 48 22.7  16.0 Rogers
26.19722 17 07 56.48 +13 47 44.7  _{”}
26.20764 17 07 55.81 +13 47 04.1  _{”}
26.28073 17 07 50.44 +13 42 24.0  Helin
26.55359 17 07 34.11 +13 25 23.4  McNaught

J. Mueller (Palomar). 1.2-m Oschin telescope. J. E. Rogers (Camarillo, CA). 0.25-m Schmidt-Cassegrain + CCD (V). E. Helin, K. Lawrence, M. Nassir, and W. Johnson (Palomar). 0.46-m

Schmidt telescope films. R. McNaught and G. Garradd (Siding Spring). Uppsala Southern Schmidt.

Preliminary orbital elements by G. V. Williams, SAO:

T = 1993 July 8.501 TT  ω = 166.^{o}821
e = 0.21709  Ω = 111.676 }2000.0
q = 1.26565 AU  i = 22.476

a = 1.61659 AU n^{o} = 0.479516 P = 2.06 years

1993 June 28 Daniel W. E. Green