Contents. planet: 7 - Uranus satellites: U2-Umbriel :3, U3-Titania :3, U4-Oberon :3 total number: 9 type: absolute dates: 2001-2001 observatory: 673 -Table Mountain Observatory, Wrightwood Reference. (2001) Communicated to NSDC by W. M. Owen Jr., Jet Propulsion Laboratory 301-150, Pasadena CA 91109-8099 wmo@jpl.nasa.gov Informations. relative to: absolute reference frame: astrometric centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: Tycho-2 coordinates: absolute diff. refraction: no information receptor: CCD telescope: Reflector, D = 0.61 m, f/16 observers: Grasdalen G.L., Owen Jr.W.M. data included in standard data file: no Comments. Format. 1. Number of satellite (N sat) 2. Year of the moment of observation 3. Month of the moment of observation 4. Day of the moment of observation with decimals 5. Hour of right ascension (alpha, h) 6. Minute of right ascension with decimals (alpha, m) 7. Degree of declination (delta, deg) 8. Minute of declination (delta, ' ) 9. Second of declination (delta, '' ) ------------------------------------------------- N Year UT alpha delta sat. month day with decimals h m deg ' '' -------------------------------------------------