SLA_NUTC - Nutation Components   

ACTION:

Nutation (IAU 1980 theory): longitude & obliquity components, and mean obliquity.

CALL:

CALL sla_NUTC (DATE, DPSI, DEPS, EPS0)

GIVEN:

DATE TDB (formerly ET) as Modified Julian Date (JD-2400000.5)

RETURNED:

DPSI,DEPS nutation in longitude and obliquity (radians)

EPS0 D mean obliquity (radians)

REFERENCES:

1.

Final report of the IAU Working Group on Nutation, chairman P.K.Seidelmann, 1980.

2.

Kaplan, G.H., 1981. USNO circular no. 163, pA3-6.