英語 での Ephemeris の使用例とその 日本語 への翻訳
{-}
-
Colloquial
-
Ecclesiastic
-
Computer
-
Programming
Ephemeris assume, first, that comets are attracted to the Sun, are aiming for it, but miss.
It must have started fading after mid April, however, it keeps bright as 8.9 mag still on May 12(Michael Mattiazzo), brighter than this ephemeris by 1 mag.
Grosch,"Elements and Ephemeris of Delaporte Object 1936 CA",
In this case, even when the signal from the satellite can be received, the ephemeris cannot be decoded and the GPS/GNSS receiver position cannot be attained.
The small difference accumulates every day, which leads to an increasing difference between our clock time(Universal Time) on the one hand, and Atomic Time and Ephemeris Time on the other hand: see ΔT.
Being very enthusiastic for the lunar distance method, Maskelyne and his team of human computers worked feverishly through the year 1766, preparing tables for the new Nautical Almanac and Astronomical Ephemeris.
All comets tracked do not have a mass sufficient to trigger a strong repulsion force in the planets they pass or the Sun, and thus the humans ephemeris assume the only elements to consider are the path and the speed.
The offset 32.184 seconds was the 1976 estimate of the difference between Ephemeris Time(ET) and TAI,"to provide continuity with the current values and practice in the use of Ephemeris Time"(see IAU Commission 4(Ephemerides),
Start-ups between 5-10 seconds are made possible by employing a small Extended Ephemeris file, either acquired via the internet generated by a server(Server Generated Extended Ephemeris-SGEE) or calculated on the device(Client Generated Extended Ephemeris-CGEE), far outlasting a standard broadcast ephemeris by 3 to 31 days.
For example, the Astronomical Almanac uses TT for its tables of positions(ephemerides) of the Sun, Moon and planets as seen from Earth.
Like Apollo, you have an ephemeris that commemorates the day your creator made you.
However, it has been reported significantly fainter than this ephemeris recently since early April.
Next, please select"Setting"-"Date" menu and set the date and time to calculate the ephemeris.
The ephemeris says it will fade down to 12.5 mag until that time, but it may be brighter than expected.
This orbit was used to generate an ephemeris for the 1883-4 return, but searches were unsuccessful, until it was rediscovered by Brooks.
Ephemeris Computation Office Directions Suited for Observation If it is possible to watch a large area of the sky, it doesn't matter what direction you look.
IGS precise ephemeris files provided in"GEONET Data Service" are created by IGS(International GNSS Service), therefore it is necessary not to infringe the IGS's rights.
Now it is brighter than this ephemeris by 1 mag.
It will be brighter than this ephemeris.
Free hybrid ephemeris prediction to achieve faster cold start.