Definition of ephemeris time Ephemeris time
e•phem•er•is time
We found 3 definitions of ephemeris time from 2 different sources.
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What does ephemeris time mean?
WordNet
Noun |
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| ephemeris time - (astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions | ||
| terrestrial time, TT, terrestrial dynamical time, TDT | ||
| time unit, unit of time a unit for measuring time periods | ||
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Wiktionary 
- ephemeris time (Noun)
A former standard astronomical time scale intended to overcome the drawbacks of irregularly fluctuating mean solar time , superseded in the 1970s. - ephemeris time (Noun)
A modern relativistic- coordinate time scale .
