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SLA_CC62S - Cartesian 6-Vector to Spherical   

ACTION:
Conversion of position & velocity in Cartesian coordinates to spherical coordinates (single precision).

CALL:
CALL sla_CC62S (V, A, B, R, AD, BD, RD)

GIVEN:

V R(6) $[\,x,y,z,\dot{x},\dot{y},\dot{z}\,]$

RETURNED:

A R longitude (radians) - for example $\alpha$
B R latitude (radians) - for example $\delta$
R R radial coordinate
AD R longitude derivative (radians per unit time)
BD R latitude derivative (radians per unit time)
RD R radial derivative


next up previous
Next: SLA_CD2TF - Days to Hour,Min,Sec
Up: SUBPROGRAM SPECIFICATIONS
Previous: SLA_CC2S - Cartesian to Spherical

SLALIB --- Positional Astronomy Library
Starlink User Note 67
P. T. Wallace
12 October 1999
E-mail:ptw@star.rl.ac.uk