Web pages for English Speaking User (ESU)
by Giuseppe Matarazzo
(joematara< at >hotmail<dot>com)
v1.0, July 2010
Index
1.
Preamble
2.
Earth Ellipsoid (GRS80, WGS84) Coordinates Conversion: geocentric to geodetic
3.
Precession-Nutation Matrices (Intermediate Coordinates)
4.
Observer Coordinates (λ, φ) through teodolite 3 stars horizontal angles -
Matarazzo's algorithm
5.
How to compute the angle between two rotation matrices
6.
Sofa routines also suitable for low accuracy calculations -
Solar Planets Effemerides
7.
SOFA: how to obtain
refined
CIP coordinates (X,Y) and time difference DUT1=UT1-UTC
8.
SOFA: so much precision for nothing due to (X,Y,DUT1) parameters
9.
Sundial Design (plate and gnomon anyway oriented) in few steps of calculations
10.
Precise Orbit Determination of Satellites through 3 Observations (Gauss method)
11.
Overall D.Vallado's #165 Routines for Fundamental Astrodynamics of Earth Satellites
11a.
Code to convert Two-line Earth Satellites Sets to Classical Orbit Elements
11b.
Lambert routine in Universal Variables to compute Velocity Vectors from Two Positions and Time
12.
Lambert Problem involving Multi-revolution orbits through Battin's powerful algorithms
Updating: Aug.2013