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SLA_DC62S - Cartesian 6-Vector to Spherical   

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

CALL:
CALL sla_DC62S (V, A, B, R, AD, BD, RD)

GIVEN:

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

RETURNED:

A D longitude (radians)
B D latitude (radians)
R D radial coordinate
AD D longitude derivative (radians per unit time)
BD D latitude derivative (radians per unit time)
RD D radial derivative


next up previous
Next: SLA_DCC2S - Cartesian to Spherical
Up: SUBPROGRAM SPECIFICATIONS
Previous: SLA_DBJIN - Decode String to B/J Epoch (DP)

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