i. A periodical publication tabulating the predicted positions of celestial bodies at regular intervals, such as daily, and containing other data of interest to astronomers. A publication giving similar information useful to a navigator is called an almanac. An extract of an ephemeris table is shown in the illustration.
ii. A great-circle path scribed on the celestial sphere by the passage of a celestial body or satellite. The path or predicted path of a satellite.

Aviation dictionary. 2014.


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  • Ephemeris — E*phem e*ris, n.; pl. {Ephemerides}. [L., a diary, Gr. ?, also, a calendar, fr. ?. See {Ephemera}.] 1. A diary; a journal. Johnson. [1913 Webster] 2. (Anat.) (a) A publication giving the computed places of the heavenly bodies for each day of the… …   The Collaborative International Dictionary of English

  • ephemeris — table showing predicted positions of heavenly bodies, 1550s, Mod.L., from Gk. ephemeris “diary, calendar,” from ephemeros “daily” (see EPHEMERA (Cf. ephemera)). The classical plural is ephemerides …   Etymology dictionary

  • ephemeris — [e fem′ər is, ifem′ər is] n. pl. ephemerides [ef΄ə mer′ə dēz΄] [L < Gr ephēmeris, diary, calendar < ephēmeros: see EPHEMERON] 1. a table giving the computed positions of a celestial body for every day of a given period 2. an astronomical… …   English World dictionary

  • ephemeris — I index journal II index register Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • Ephemeris — An ephemeris (plural: ephemerides; from the Greek word ἐφήμερος ephemeros daily ) is a table of values that gives the positions of astronomical objects in the sky at a given time or times. Different kinds are used for astronomy and astrology.… …   Wikipedia

  • ephemeris — /i fem euhr is/, n., pl. ephemerides /ef euh mer i deez /. 1. a table showing the positions of a heavenly body on a number of dates in a regular sequence. 2. an astronomical almanac containing such tables. 3. Archaic. an almanac or calendar.… …   Universalium

  • Ephemeris — Titelseite der ersten Ausgabe von 1790 Die Ephemeris (griechisch Efimerís Ἐφημερίς „Zeitung“) war die älteste bekannte griechischsprachige Zeitung. Geschichte Nachdem Kaiser Joseph II. 1783 das Drucken griechischsprachiger Medien erlaubt hatte,… …   Deutsch Wikipedia

  • ephemeris — noun (plural ephemerides) Etymology: Latin, diary, ephemeris, from Greek ephēmeris, from ephēmeros Date: 1508 a tabular statement of the assigned places of a celestial body for regular intervals …   New Collegiate Dictionary

  • ephemeris — e•phem•er•is [[t]ɪˈfɛm ər ɪs[/t]] n. pl. e•phe•mer•i•des [[t]ˌɛf əˈmɛr ɪˌdiz[/t]] 1) astron. a table showing the positions of a heavenly body on a number of dates in a regular sequence 2) astron. an astronomical almanac containing such tables 3)… …   From formal English to slang

  • ephemeris — n. (pl. ephemerides) Astron. an astronomical almanac or table of the predicted positions of celestial bodies. Etymology: L f. Gk ephemeris diary (as EPHEMERAL) …   Useful english dictionary

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