Electronic Telegram No. 5695
Central Bureau for Astronomical Telegrams
Mailing address:  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


(555915) 2014 GX_53
     B. Proudfoot, Florida Space Institute; W. Grundy, Northern Arizona 
University; D. Ragozzine, Brigham Young University; B. Holler, Space Telescope 
Science Institute; and F. L. Rommel and E. Fernandez-Valenzuela, Florida Space 
Institute, report that the resonant trans-Neptunian object (555915) has an
apparent satellite that is 4.76 +/- 0.06 mag fainter than the primary.  The 
satellite was discovered in four 350-s Hubble Space Telescope exposures taken 
with the WFC3/UVIS camera (+ F350LP filter) on 2026 May 2.  The satellite was 
separated by 0".291 in p.a. 265 deg.  At the time of the first discovery image
on May 2.52483 UT, the primary was located at R.A. = 15h44m42s.29, Decl. = 
-9d32'56".5 (equinox J2000.0). 


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2026 CBAT
2026 May 27                      (CBET 5695)              Daniel W. E. Green