Content asteroid: (55637)2002 UX25 satellites: companion total number: 6 type: position dates: 2005-2005 observatory: 250 - Hubble Space Telescope 568 - Mauna Kea (W.M. Keck observatory, Hawaii, USA) Reference. Brown, M. E. The Density of Mid-sized Kuiper Belt Object 2002 UX25 and the Formation of the Dwarf Planets. The Astrophysical Journal Letters. 2013. V. 778. Issue 2. Article id. L34, 5 pp. 2013ApJ...778L..34B Informations. relative to: the primary reference frame: astrometric ICRF centre of frame: topocentric epoch of equinox: J2000 time scale: UTC reduction: no information coordinates: Delta(RA), Delta(Dec) (secondary relative to primary) diff. refraction: no information (see in publications) receptor: adaptive optics telescope: 1. HST/HRC 2. Keck/NIRC2 Comments. The relative coordinates are mentioned as R.A. Offset, Decl. Offset. JD = 2453608.5 is 0h 26/08/2005 Format. 1. Date - JD 2. Delta(RA) - (secondary relative to primary), mas 3. SigX - the error of Delta(RA), mas 4. Delta(Dec) - (secondary relative to primary), mas 5. SigY - the error of Delta(Dec), mas 6. Ntel - number of telescope 7. m - relative brightness, % 8. Sig m - the error of m 9. Nobs - code of observatory ----------------------------------------------------------------- Date Delta(RA)Sig X Delta(Dec)Sig Y Ntel m Sig m Nobs JD (UTC) (mas) (mas) (mas) (mas) (%) -----------------------------------------------------------------