SLA_CC62S - Cartesian 6-Vector to Spherical

From d54fe7c1f704a63824c5bfa0ece65245572e9b27 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 4 Mar 2015 21:21:30 -0500 Subject: Initial commit --- src/slalib/sun67.htx/node31.html | 114 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 src/slalib/sun67.htx/node31.html (limited to 'src/slalib/sun67.htx/node31.html') diff --git a/src/slalib/sun67.htx/node31.html b/src/slalib/sun67.htx/node31.html new file mode 100644 index 0000000..1877958 --- /dev/null +++ b/src/slalib/sun67.htx/node31.html @@ -0,0 +1,114 @@ + + + + +SLA_CC62S - Cartesian 6-Vector to Spherical + + + + + + + + + + + + +

+ +

+
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+Up: SUBPROGRAM SPECIFICATIONS +
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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: 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 +

+ + -- cgit