Comet P/2012 NJ (la Sagra)
Abstract
An apparently asteroidal object found on CCD images taken in the course of the La Sagra survey by S. Sanchez, J. Nomen, M. Hurtado, J. A. Jaume, W. K. Y. Yeung, P. Rios, F. Serra, and V. Rios with a 0.45-m f/2.8 reflector (discovery observations tabulated below) has been reported by Gerhard J. Hahn (Institute of Planetary Research, German Aerospace Center, Berlin) as showing a 35" tail in p.a. 235 deg on stacked and single images taken by Stefano Mottola using the 1.23-m telescope on Calar Alto on July 16, 17, and 18 UT. 2012 UT R.A. (2000) Decl. Mag. Observer July 13.03197 23 48 07.21 +10 10 11.4 14.6 Sanchez 13.03844 23 48 05.10 +10 10 48.8 14.6 " 13.04500 23 48 02.95 +10 11 26.3 14.5 " The available astrometry, the following preliminary elliptical orbital elements by G. V. Williams, and an ephemeris appear on MPEC 2012-O08. Epoch = 2012 June 2.0 TT T = 2012 June 12.7334 TT Peri. = 338.1128 e = 0.837229 Node = 315.6955 2000.0 q = 1.289656 AU Incl. = 84.2283 a = 7.923154 AU n = 0.0441933 P = 22.30 years
- Publication:
-
Central Bureau Electronic Telegrams
- Pub Date:
- July 2012
- Bibcode:
- 2012CBET.3178....1S