------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1505 2000 Mar 24 18.17UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074 INTERNET: GUY@TAHQ.DEMON.CO.UK GMH at AST.STAR.RL.AC.UK WORLD WIDE WEB http://www.demon.co.uk/astronomer ------------------------------------------------------------------- 2000 EW70 M. Blythe, F. Shelly, M. Bezpalko, M. Elowitz, R. Huber, Lincol Laboratory ETS, New Mexico, report the discovery of a fast-moving asteroid with a 1.0-m f/2.15 reflector + CCD. Observations: C2000 03 09.42849 12 34 45.46 -13 00 11.4 17.5 704 C2000 03 09.44132 12 34 44.51 -12 59 49.4 18.9 704 C2000 03 09.45416 12 34 43.57 -12 59 27.1 18.3 704 C2000 03 10.36682 12 34 03.44 -12 31 53.7 14.7 704 C2000 03 10.38049 12 34 02.22 -12 31 27.1 17.1 704 C2000 03 10.38081 12 34 02.20 -12 31 26.2 14.8 704 C2000 03 10.39310 12 34 01.11 -12 31 02.2 17.2 704 C2000 03 10.39432 12 34 01.01 -12 30 59.3 14.5 704 C2000 03 10.40571 12 34 00.01 -12 30 36.9 17.1 704 C2000 03 10.40868 12 33 59.75 -12 30 30.7 14.6 704 C2000 03 12.44637 12 31 48.66 -11 10 49.0 17.1 704 C2000 03 12.44650 12 31 48.64 -11 10 48.3 16.8 704 C2000 03 12.50883 12 31 42.96 -11 07 52.9 670 C2000 03 13.32396 12 30 37.88 -10 26 47.7 17.0 R 850 C2000 03 13.34861 12 30 34.57 -10 25 26.1 17.1 R 850 C2000 03 13.36707 12 30 32.11 -10 24 24.5 17.1 R 850 Gareth Williams, Minor Planet Center provides the following orbital elements and ephemeris: 2000 EW70 PHA 0.009 Epoch 2000 Feb. 26.0 TT = JDT 2451600.5 Williams M 245.53542 (2000.0) P Q n 1.08770567 Peri. 125.46904 +0.55768963 +0.83004538 a 0.9364008 Node 178.42003 -0.78915843 +0.53119725 e 0.3215141 Incl. 5.48355 -0.25731547 +0.16986511 P 0.91 H 21.4 G 0.15 >From 48 observations 2000 Mar. 9-13. Ephemeris: 2000 EW70 a,e,i = 0.94, 0.32, 5 q = 0.6353 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2000 03 24 10 13.35 +50 09.8 0.014 1.004 122.3 57.0 14.1 2000 03 25 07 45.76 +65 35.8 0.014 0.999 97.3 82.0 15.0 2000 03 26 04 26.31 +64 56.4 0.016 0.994 76.2 102.9 16.2 2000 03 27 02 52.39 +56 51.0 0.020 0.989 61.7 117.3 17.5 2000 03 28 02 12.61 +49 56.8 0.025 0.983 51.9 127.0 18.7 2000 03 29 01 51.91 +44 54.3 0.030 0.978 45.1 133.7 19.8 M.P.E.C. 2000-E57 Editor: Judging from several telephone calls received, it appears that a number of announcements have been made on the Internet by apparently reputable publication sources some of which mention this asteroid 'could threaten Earth at some future date'. Benny Peiser, Cambridge Conference Network, asked Brian Marsden for a view on these comments. He confirmed he was not aware of any computations showing that any impact was remotely possible during the next several decades. Guy M Hurst