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NOVAS3Tdb2Tt Method
Computes the Terrestrial Time (TT) or Terrestrial Dynamical Time (TDT) Julian date corresponding to a Barycentric Dynamical Time (TDB) Julian date.

Namespace: ASCOM.Astrometry.NOVAS
Assembly: ASCOM.Astrometry (in ASCOM.Astrometry.dll) Version: 6.0.0.0 (6.2.0.2774)
Syntax
public void Tdb2Tt(
	double TdbJd,
	ref double TtJd,
	ref double SecDiff
)

Parameters

TdbJd
Type: SystemDouble
TDB Julian date.
TtJd
Type: SystemDouble
TT Julian date.
SecDiff
Type: SystemDouble
Difference 'tdb_jd'-'tt_jd', in seconds.
Remarks
Expression used in this function is a truncated form of a longer and more precise series given in: Explanatory Supplement to the Astronomical Almanac, pp. 42-44 and p. 316. The result is good to about 10 microseconds.
See Also