YR/MON/DAY/HOUR JD RA(1950), DEC(1950), DELTA DELTADOT R RDOT THETA BETA MOON PSANG PSAMV (UT) (MIN/HOUR) (ARCMIN/HOUR) ------------------------------------------------------------------------------------------------------------------------------ 1986 4 15 9.0 2446535.88 13 13.080(-0.804) -41 24.73( 4.45) 0.4434 19.8202 1.3988 26.3683 147.9 22.4 119.9 8.4 122.3 1986 4 15 12.0 2446536.00 13 10.679(-0.793) -41 11.36( 4.48) 0.4449 20.3183 1.4007 26.3626 148.1 22.3 118.2 9.7 122.7 ------------------------------------------------------------------------------------------------------------------------------ |----------------------------------------------------------------------------------------------------------------| | 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) ---------------------------------------------------------------------------------------------------------------