Contents. planet: 7 - Uranus satellites: U1-Ariel : 19, U2-Umbriel : 15, U3-Titania : 40, U4-Oberon : 78 total number: 152 type: relative dates: 1901-1901 observatory: 786 - U.S. Naval Obs., Washington Reference. See T.J.J. (1902) Observations of the Satellites of Saturn and Uranus. Astronomische Nachrichten. V. 159. P. 213-226. 1902AN____159__213S Informations. relative to: Uranus: 113, Titania: 39 reference frame: apparent centre of frame: topocentre epoch of equinox: date time scale: Wasington Mean Time reduction: no information coordinates: position angle and separation diff. refraction: not excluded receptor: micrometric telescope: Refractor, D=26 inch observers: See T.J.J. data included in standard data file: no Comments. no information Format. 1. Observed satellite number, obs. 2. Reference satellite number, rel. (0-Uranus, 3-Titania) 3. Year of the moment of observation 4. Month of the moment of observation 5. Day of the moment of observation 6. Hour of the observation of P 7. Minute of the observation of P with decimals 8. P (position angle) in degrees 9. Hour of the observation of S 10. Minute of the observation of S with decimals 11. S (separation) in arcsec ------------------------------------------------ sat Year W.M.T. W.M.T. obs month h m P h m S rel day degrees arcsec ------------------------------------------------