- mean of epoch
- эпоха средняя
English-Russian glossary on space technology. 2015.
mean of epoch
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Mean motion — Mean motion, , is a measure of how fast a satellite progresses around its elliptical orbit. Unless the orbit is circular, the mean motion is only an average value, and does not represent the instantaneous angular rate. In the databases of… … Wikipedia
epoch — 1. An epoch is the beginning of a distinctive period in the history of something or someone, whereas an era is a period of history characterized by particular circumstances or by a particular series of events. A period is a more general term for… … Modern English usage
Epoch (astronomy) — In astronomy, an epoch is a moment in time used as a reference for the orbital elements of a celestial body. [cite book|last=Soop|first=E. M.|title=Handbook of Geostationary Orbits|publisher=Springer|date=1994|isbn=9780792330547] Typically, the… … Wikipedia
Mean anomaly — In celestial mechanics, the mean anomaly is a parameter relating position and time for a body moving in a Kepler orbit. It is based on the fact that equal areas are swept at the focus in equal intervals of time. The mean anomaly increases… … Wikipedia
Mean longitude — In astrodynamics or celestial dynamics, mean longitude is the longitude at which an orbiting body could be found if its orbit were circular, and free of perturbations, and if its inclination were zero. Both the mean longitude and the true… … Wikipedia
epoch — /ep euhk/ or, esp. Brit., /ee pok/, n. 1. a particular period of time marked by distinctive features, events, etc.: The treaty ushered in an epoch of peace and good will. 2. the beginning of a distinctive period in the history of anything: The… … Universalium
epoch — [[t]i͟ːpɒk, AM e̱pək[/t]] epochs 1) N COUNT: usu with supp If you refer to a long period of time as an epoch, you mean that important events or great changes took place during it. The birth of Christ was the beginning of a major epoch of world… … English dictionary
epoch — /ˈipɒk / (say eepok), /ˈɛpɒk / (say epok) noun 1. a particular period of time as marked by distinctive character, events, etc. 2. the beginning of any distinctive period in the history of anything. 3. a point of time distinguished by a particular …
mean place — noun : the position of a star at a given epoch (as the beginning of a year) as affected by precession of the equinoxes and proper motion compare star place … Useful english dictionary
Holocene Epoch — formerly Recent Epoch Latest interval of the Earth s geologic history, dating from 10,000 years ago to the present. The younger of the two epochs that constitute the Quaternary Period, the Holocene follows the last glacial stage of the… … Universalium
Pleistocene Epoch — Earlier and longer of the two epochs that constitute the Quaternary Period. The Pleistocene began с 1.8 million years ago and ended с 10,000 years ago. It was preceded by the Pliocene Epoch of the Tertiary Period and followed by the Holocene… … Universalium
