J2000 top-level property

TimeInstant J2000
final

J2000.0 as defined by the IAU: Julian date: 2000 Jan 1d 12h UT in the TDT time scale

Implementation

// ignore: non_constant_identifier_names
final TimeInstant J2000 =
    TimeInstant.constant(const Double.constant(2451545), units: JD_TDT);