Aqui va la informacion del CBAT
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(153591) 2001 SN_263
M. C. Nolan, E. S. Howell, Arecibo Observatory; L. A. M. Benner,
S. J. Ostro, and J. D. Giorgini, Jet Propulsion Laboratory; M. W. Busch,
California Institute of Technology; L. M. Carter and R. F. Anderson,
Smithsonian Institution; C. Magri, University of Maine; D. B. Campbell and
J. L. Margot, Cornell University; and R. Vervack, Johns Hopkins University,
report that Arecibo radar delay-Doppler images (2380 MHz, 12.6 cm) obtained
on 2008 Feb. 12 show that minor planet (153591) is a triple system.
Based on range extents at 75-m resolution, preliminary estimates of average
diameters are 2 km, 1 km, and 400 m for the three components.
NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
superseded by text appearing later in the printed IAU Circulars.
(C) Copyright 2008 CBAT
2008 February 12 (CBET 1254) Daniel W. E. Green
Ahora mismo es un asteroide bastante brillante, de mag 12.6, no dejeis de observarlo. Es una "rareza"
Saludos
David
