[tz] Fwd: Bulletin C number 58

[Steve Allen]

On Fri 2019-07-26T23:16:08-0400 David Patte hath writ:
> For my products I use an algorithm (Meeus; Astronomical Algorithms 1998) to
> 'predict' deltaT into the future. Does anyone have a good source for a more
> recent algorithm that takes into account IERS values since 1998?

at the moment we seem to be pretty close to "Matsakis parabolic"
https://www.ucolick.org/~sla/leapsecs/year2100.html
but there are no guarantees

--
Steve Allen                    <sla at ucolick.org>              WGS-84 (GPS)
UCO/Lick Observatory--ISB 260  Natural Sciences II, Room 165  Lat  +36.99855
1156 High Street               Voice: +1 831 459 3046         Lng -122.06015
Santa Cruz, CA 95064           https://www.ucolick.org/~sla/  Hgt +250 m