Electronic Telegram No. 4017 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION CBAT Director: Daniel W. E. Green; Hoffman Lab 209; Harvard University; 20 Oxford St.; Cambridge, MA 02138; U.S.A. e-mail: cbatiau@eps.harvard.edu (alternate cbat@iau.org) URL http://www.cbat.eps.harvard.edu/index.html Prepared using the Tamkin Foundation Computer Network COMET P/2014 U5 = P/2005 RV25 (LONEOS-CHRISTENSEN) M. Micheli reports the recovery of comet P/2005 RV25 (cf. IAUC 8620) on images taken by D. Abreu (Oct. 23.0 UT; 1.0-m f/4.4 reflector, ESA Optical Ground Station, Tenerife) and J. D. Armstrong (Nov. 17.3; 2.0-m f/10 reflector, "Faulkes Telescope North", at Haleakala), with the astrometry tabulated below. 2014 UT R.A. (2000) Decl. Mag. Observer Oct. 22.98197 1 04 17.32 +16 49 54.9 21.4 Abreu 22.99297 1 04 16.91 +16 49 51.6 21.4 " 23.00397 1 04 16.56 +16 49 47.9 21.4 " Nov. 17.25859 0 52 57.74 +14 34 38.1 22.1 Armstrong 17.27443 0 52 57.47 +14 34 33.5 22.0 " The indicated correction to the prediction by B. G. Marsden on MPC 79351 is Delta(T) = +0.50 day. The following linked orbital elements by G. V. Williams (from 85 observations spanning 2005 Sept. 11-2014 Nov. 17; mean residual 0".7) and an ephemeris appear on MPEC 2014-W19. Epoch = 2015 Oct. 25.0 TT T = 2015 Oct. 29.03478 TT Peri. = 191.85138 e = 0.1684428 Node = 246.86722 2000.0 q = 3.5810848 AU Incl. = 9.89850 a = 4.3064804 AU n = 0.11028600 P = 8.94 years NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2014 CBAT 2014 November 19 (CBET 4017) Daniel W. E. Green