------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1691 2001 Sep 15 15.21UT 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.theastronomer.org ------------------------------------------------------------------- 2001 RB18 M. Blythe, F. Shelly, M. Bezpalko, R. Huber, L. Manguso, S. Adams, Lincoln Laboratory ETS, New Mexico report their discovery of a fast-moving object with the 1.0-m f/2.15 reflector + CCD: Observations: 2001 08 20.21129 20 11 04.81 -02 10 07.7 17.5 704 2001 08 20.22368 20 11 04.33 -02 10 07.9 17.7 704 2001 08 20.23628 20 11 03.80 -02 10 06.0 17.9 704 2001 08 20.24886 20 11 03.39 -02 10 04.6 17.6 704 2001 08 20.26126 20 11 02.93 -02 10 03.3 17.9 704 2001 09 12.19107 20 21 07.41 -02 31 57.6 16.1 704 2001 09 12.20542 20 21 08.55 -02 32 00.7 16.9 704 2001 09 12.21976 20 21 09.72 -02 32 03.7 16.6 704 2001 09 12.23407 20 21 10.87 -02 32 06.7 16.5 704 2001 09 12.24840 20 21 12.04 -02 32 09.7 16.4 704 Orbital elements: 2001 RB18 Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 Spahr M 2.17868 (2000.0) P Q n 0.27401750 Peri. 175.09393 +0.97197359 -0.23395489 a 2.3475626 Node 198.48546 +0.21313953 +0.91837821 e 0.5414241 Incl. 4.17349 +0.09919113 +0.31913409 P 3.60 H 18.3 G 0.15 U 5 Ephemeris: 2001 RB18 a,e,i = 2.35, 0.54, 4 q = 1.0765 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2001 09 08 20 15.48 -02 18.1 0.177 1.144 137.3 36.7 16.3 2001 09 18 20 33.33 -02 56.2 0.146 1.109 132.8 41.6 16.0 2001 09 28 21 10.87 -03 50.1 0.119 1.086 132.9 42.5 15.5 2001 10 08 22 17.36 -04 36.6 0.100 1.077 139.4 37.1 15.0 2001 10 18 23 50.79 -04 23.8 0.095 1.081 151.3 26.3 14.6 2001 10 28 01 20.36 -02 44.9 0.111 1.098 160.0 18.0 14.7 2001 11 07 02 21.53 -00 33.9 0.144 1.128 161.9 15.8 15.2 2001 11 17 02 58.37 +01 34.5 0.189 1.169 161.1 15.9 15.9 2001 11 27 03 21.38 +03 38.8 0.246 1.219 158.7 17.1 16.6 2001 12 07 03 37.49 +05 39.5 0.314 1.277 154.9 19.1 17.3 M.P.E.C. 2001-R48 (extract) TA AGM Those wishing to attend the AGM next Saturday are reminded that today is the deadline for luncheon bookings. If you are posting the booking today and require lunch please also e-mail details. ATTACKS ON USA Further to the personal message sent to our USA contacts (see E1690) we have so far heard from the following that they are safe albeit in some degree of shock at the dreadful news: Brian Marsden; Janet Mattei; Dave Branchett; James Bryan; Tony Cook; Gareth Williams: Peter Wlasuk. They also added that they were grateful for all the concern expressed by their friends in the UK and within the TA organisation. Guy M Hurst