Contents. planet: 8 - Neptune satellites: N1-Triton : 18 total number: 18 type: relative dates: 1866-1868 observatory: 802 - Harvard Observatory, Cambridge References. 1. Winlock J., Pickering E.C. (1888) Micrometric measurments, Chapter IV, Satellites of Saturn, Uranus, and Neptune. Annals of Harvard College Observatory. V. 13. P .86-91. 1888AnHar__13___86W Informations. relative to: planet reference frame: apparent centre of frame: topocentre epoch of equinox: date time scale: GMT reduction: no information coordinates: position angle and separation diff. refraction: not excluded receptor: micrometric telescope: no information observers: Winlock, Searle 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 with decimals 4. P (position angle) in degrees (999 if not given) 5. S (separation) in arcsec (-99.99 if not given) --------------------------------- Year P month deg. S day arcsec ---------------------------------