------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1788 2002 Jly 23 09.01UT 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 ------------------------------------------------------------------- 2002 NY40 M. Blythe, F. Shelly, M. Bezpalko, R. Huber, L. Manguso, S. Adams, J. Piscitelli report their detection of a fast-moving object using the 1.0-m f/2.15 reflector + CCD at Lincoln Laboratory ETS, New Mexico (station 704): 2002 07 14.29387 21 31 33.08 -06 23 39.4 18.4 704 2002 07 14.30682 21 31 33.36 -06 23 35.9 19.1 704 2002 07 14.31940 21 31 33.47 -06 23 31.9 19.2 704 2002 07 17.38230 21 32 33.96 -06 08 17.0 19.0 704 2002 07 17.39278 21 32 34.09 -06 08 14.2 19.6 704 2002 07 17.40324 21 32 34.18 -06 08 11.0 19.2 704 Orbital elements by Gareth Williams show the nominal geocentric close-approach distance is 0.00360 AU on 2002 Aug. 18.94 UT when the object could reach magnitude 9-10. Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC M 310.49293 (2000.0) P Q n 0.32508353 Peri. 267.14323 +0.57641193 -0.81538022 a 2.0947848 Node 147.46840 +0.78389750 +0.53312104 e 0.7145792 Incl. 5.75157 +0.23076827 +0.22569237 P 3.03 H 18.9 G 0.15 U 9 Ephemeris: 2002 NY40 a,e,i = 2.09, 0.71, 6 q = 0.5979 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2002 07 23.0 21 33.96 -05 41.3 0.341 1.333 154.7 19.0 18.2 2002 07 24.0 21 34.14 -05 36.6 0.328 1.321 155.5 18.6 18.0 2002 07 25.0 21 34.30 -05 32.0 0.314 1.309 156.3 18.1 17.9 2002 07 26.0 21 34.44 -05 27.4 0.301 1.298 157.2 17.7 17.8 2002 07 27.0 21 34.56 -05 22.8 0.287 1.286 158.0 17.2 17.6 2002 07 28.0 21 34.65 -05 18.2 0.274 1.275 158.8 16.8 17.5 2002 07 29.0 21 34.71 -05 13.6 0.261 1.263 159.6 16.3 17.4 2002 07 30.0 21 34.75 -05 09.0 0.248 1.251 160.4 15.8 17.2 2002 07 31.0 21 34.77 -05 04.3 0.235 1.239 161.2 15.3 17.1 2002 08 01.0 21 34.75 -04 59.5 0.222 1.228 161.9 14.9 16.9 2002 08 02.0 21 34.70 -04 54.6 0.209 1.216 162.7 14.4 16.7 2002 08 03.0 21 34.61 -04 49.6 0.196 1.204 163.5 13.9 16.6 2002 08 04.0 21 34.48 -04 44.3 0.183 1.192 164.2 13.4 16.4 2002 08 05.0 21 34.31 -04 38.8 0.171 1.180 164.9 12.9 16.2 2002 08 06.0 21 34.09 -04 32.9 0.158 1.168 165.6 12.5 16.0 2002 08 07.0 21 33.81 -04 26.5 0.146 1.156 166.2 12.0 15.8 2002 08 08.0 21 33.46 -04 19.4 0.133 1.144 166.8 11.6 15.5 2002 08 09.0 21 33.01 -04 11.4 0.121 1.132 167.4 11.3 15.3 2002 08 10.0 21 32.46 -04 02.1 0.109 1.120 167.9 11.0 15.0 2002 08 11.0 21 31.75 -03 50.9 0.096 1.108 168.2 10.8 14.7 2002 08 12.0 21 30.84 -03 37.2 0.084 1.096 168.5 10.7 14.4 2002 08 13.0 21 29.61 -03 19.3 0.072 1.084 168.5 10.7 14.0 2002 08 14.0 21 27.90 -02 54.7 0.060 1.072 168.3 11.0 13.6 2002 08 15.0 21 25.33 -02 18.4 0.048 1.060 167.8 11.7 13.1 2002 08 15.5 21 23.50 -01 52.6 0.042 1.054 167.2 12.3 12.9 2002 08 16.0 21 21.07 -01 18.3 0.036 1.048 166.5 13.1 12.5 2002 08 16.5 21 17.66 -00 30.3 0.030 1.041 165.4 14.2 12.2 2002 08 17.0 21 12.56 +00 41.6 0.024 1.035 163.7 16.0 11.7 2002 08 17.5 21 04.07 +02 41.1 0.018 1.029 160.7 18.9 11.2 2002 08 18.0 20 47.20 +06 36.1 0.012 1.023 155.0 24.7 10.5 2002 08 18.5 19 58.93 +17 07.6 0.0066 1.017 139.1 40.6 9.6 2002 08 19.0 15 12.80 +43 12.8 0.0036 1.011 74.0 105.8 10.6 2002 08 19.5 11 08.23 +23 55.5 0.0075 1.005 20.8 159.1 18.9 2002 08 20.0 10 25.71 +15 48.9 0.013 0.999 7.9 172.0 29.0 M.P.E.C. 2002-O17 Guy M Hurst