ephemeris

/ษชหˆfษ›mษ™ษนษชs/

IPA: /IH0 F EH1 M ER0 IH0 S/

noun
  1. 1

    (singular or plural) A journal or diary.

  2. 2

    A table giving the apparent position of celestial bodies throughout the year; normally given as right ascension and declination.

  3. 3

    Software that calculates the apparent position of celestial bodies.

Source: https://en.wiktionary.org/wiki/ephemeris