Contents. planet: 7 - Uranus satellites: U1-Ariel : 34, U2-Umbriel: 37, U3-Titania: 39, U4-Oberon : 46 total number: 156 type: relative dates: 1964-1977 observatory: 371 - Tokyo-Okayama Reference. Tomita K., Soma M. (1979) Astrometric observations of satellites of Uranus. Tokyo Astronomical Observatory, Tokyo Astronomical Bulletin, Second Series. N. 261. P. 2977-2981. 1979BTok__261_2977T Informations. relative to: planet reference frame: astrometric centre of frame: topocentre epoch of equinox: B1950 time scale: ET reduction: Comparison stars in Pleiades coordinates: Distance, Position angle diff. refraction: no information receptor: photographic telescope: Reflector, D=188 cm observers: Tomita K., Soma M. data included in standard data file: no Comments. no information Format. 1. Year of the moment of observation 2. Month of the moment of observation 3. Day of the moment of observation 4. Hour of the moment of observation 5. Minute of the moment of observation 6. Second of the moment of observation 7. Exposure time (Exp), seconds 8. Number of satellite (N sat) 9. Distance (s), arcsec 10. Position angle (P), degrees ------------------------------------------- Year Hour month minute Exp N s P day seconde s sat arcsec deg. -------------------------------------------