IERS (spacekernel.iers)

The International Earth Rotation and Reference Systems Service (IERS) is an international organisation responsible for providing several services and data regarding Earth reference frames.

Earth Orientation Parameters (EOP)

EOP(mjd_utc)

Earth Orientation Parameters

Bulletins

BulletinA()	IERS Bulletin A
BulletinC()	IERS Bulletin C
update_bulletins()	Refresh both IERS Bulletin A and C datasets, and record the update time.
get_latest_update()	Read and return the UTC timestamp of the most recent bulletin update.
update_if_needed()	Refresh bulletins if the last update is over seven days old.