------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1165 1997 Feb 01 17.03UT 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 ------------------------------------------------------------------- 1997 BR J.Zhu, L.J.Ma, Z.Y.Zheng and Y.J.Chen report discovery of the following asteroid using the 0.6-m Schmidt + CCD at the Xinglong Station, Peking Observatory. RA DEC Mag Station * 1997 01 20.72757 10 13 09.38 +23 06 28.2 327 M.P.E.C. 1997-B13 Gareth Williams reports the following updated elements on M.P.E.C. 1997-B16 Epoch 1997 Jan. 12.0 TT = JDT 2450460.5 Williams M 267.36356 (2000.0) P Q n 0.63851807 Peri. 133.74508 -0.30438524 +0.91513450 a 1.3356333 Node 116.78520 -0.93671596 -0.23718095 e 0.3055467 Incl. 17.22460 -0.17295329 -0.32599700 P 1.54 H 17.0 G 0.15 >From 54 observations 1997 Jan. 20-29. The ephemeris below suggests a CLOSE APPROACH to the Earth in July: 1997 BR a,e,i = 1.34, 0.31, 17 q = 0.9275 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 1997 02 01 10 07.52 +31 32.1 0.422 1.387 158.8 14.9 16.7 1997 02 06 10 02.23 +35 51.5 0.401 1.365 157.6 16.0 16.6 1997 02 11 09 55.05 +40 20.0 0.385 1.343 153.5 19.2 16.5 1997 02 16 09 46.05 +44 45.9 0.375 1.320 147.5 23.7 16.6 1997 02 21 09 35.44 +48 57.4 0.370 1.297 140.6 28.9 16.7 1997 02 26 09 23.56 +52 45.0 0.369 1.273 133.6 34.3 16.8 1997 03 03 09 11.00 +56 02.9 0.372 1.250 126.7 39.5 16.9 1997 03 08 08 58.48 +58 49.0 0.377 1.226 120.1 44.5 17.0 1997 03 13 08 46.87 +61 04.9 0.383 1.202 114.1 49.0 17.1 1997 03 18 08 36.90 +62 55.2 0.389 1.178 108.5 53.2 17.3 1997 03 23 08 29.08 +64 25.0 0.395 1.154 103.4 57.1 17.4 1997 03 28 08 23.66 +65 39.4 0.400 1.131 98.8 60.7 17.4 1997 04 02 08 20.72 +66 42.5 0.404 1.108 94.7 64.1 17.5 1997 04 07 08 20.23 +67 37.8 0.405 1.085 90.8 67.2 17.6 1997 04 12 08 22.06 +68 28.0 0.405 1.064 87.4 70.3 17.6 1997 04 17 08 25.92 +69 15.5 0.402 1.043 84.2 73.3 17.7 1997 04 22 08 31.4 +70 02.1 0.396 1.023 81.3 76.2 17.7 1997 04 27 08 38.2 +70 49.0 0.388 1.005 78.6 79.1 17.7 1997 05 02 08 45.8 +71 37.0 0.377 0.988 76.2 82.1 17.7 1997 05 07 08 53.8 +72 27.3 0.363 0.973 73.8 85.2 17.7 1997 05 12 09 01.5 +73 21.2 0.347 0.959 71.7 88.3 17.7 1997 05 17 09 08.2 +74 20.5 0.328 0.948 69.6 91.5 17.7 1997 05 22 09 12.4 +75 26.7 0.307 0.939 67.6 94.8 17.7 1997 05 27 09 12.1 +76 41.1 0.285 0.933 65.7 98.2 17.7 1997 06 01 09 04.0 +78 03.7 0.260 0.929 63.8 101.7 17.6 1997 06 06 08 41.8 +79 31.2 0.235 0.928 61.9 105.2 17.6 1997 06 11 07 54.0 +80 49.3 0.208 0.929 60.0 108.8 17.5 1997 06 16 06 28.6 +81 11.2 0.182 0.933 58.1 112.4 17.5 1997 06 21 04 46.6 +79 10.1 0.155 0.939 56.3 115.8 17.4 1997 06 26 03 33.7 +73 42.6 0.130 0.948 55.0 118.5 17.2 1997 07 01 02 53.91 +64 13.1 0.108 0.959 55.0 119.7 16.9 1997 07 06 02 33.16 +49 42.8 0.090 0.972 58.1 117.4 16.4 1997 07 11 02 21.98 +29 57.5 0.080 0.987 66.6 109.2 15.6 1997 07 16 02 15.55 +08 12.0 0.082 1.004 79.2 96.2 15.0 1997 07 21 02 11.30 -10 22.6 0.093 1.023 91.4 83.4 14.8 1997 07 26 02 07.73 -23 54.3 0.112 1.042 100.8 73.2 14.9 1997 07 31 02 03.77 -33 22.7 0.134 1.063 107.5 65.6 15.1 1997 08 05 01 58.72 -40 07.2 0.158 1.085 112.5 59.7 15.3 Guy M Hurst