YR/MON/DAY/HOUR JD RA(1950), DEC(1950), DELTA DELTADOT R RDOT THETA BETA MOON PSANG PSAMV (UT) (MIN/HOUR) (ARCMIN/HOUR) ------------------------------------------------------------------------------------------------------------------------------ 1985 12 15 9.0 2446414.88 23 13.896(-0.217) 3 25.42(-1.31) 0.8287 32.5518 1.2635 -26.7013 87.9 51.1 44.4 66.5 74.3 1985 12 15 12.0 2446415.00 23 13.246(-0.215) 3 21.48(-1.31) 0.8311 32.6308 1.2616 -26.7048 87.6 51.2 42.6 66.5 74.3 ------------------------------------------------------------------------------------------------------------------------------ |----------------------------------------------------------------------------------------------------------------| | NOTE: Above ephemerides represent fully-perturbed, light-time-corrected solutions to data spanning 1835-1989 | | (cf. the EPHEM.TXT file by D. Yeomans in the DOCUMENT directory). Ephemerides for HOUR=0.0 UT are directly | | from Yeomans; values within a UT day have been generated using a 7-point interpolation scheme and Yeomans' | | daily (0h UT) values. The first and last lines in the table span the time interval between the beginning of | | this data directory and the beginning of the next one. | |----------------------------------------------------------------------------------------------------------------| DEFINITIONS OF LESS OBVIOUS FIELDS IN THE EPHEMERIS TABLE: THETA = Sun-Earth-Comet angle (degrees) BETA = Sun-Comet-Earth angle (degrees) MOON = Angular separation of comet and moon (degrees) PSANG = Position angle of prolonged radius vector (degrees, measured from north through east) PSAMV = Position angle of minus orbital velocity vector (degrees, measured from north through east) ---------------------------------------------------------------------------------------------------------------