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SUBPROGRAM SPECIFICATIONS
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SLA_DBJIN - Decode String to B/J Epoch (DP)
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)
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:
SLA_DCC2S - Cartesian to Spherical
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SUBPROGRAM SPECIFICATIONS
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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