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asteRisk (version 1.0.0)

Computation of Satellite Position

Description

Provides basic functionalities to calculate the position of satellites given a known state vector. The package includes implementations of the SGP4 and SDP4 simplified perturbation models to propagate orbital state vectors, as well as utilities to read TLE files and convert coordinates between different frames of reference. Several of the functionalities of the package (including the high-precision numerical orbit propagator) require the coefficients and data included in the 'asteRiskData' package, available in a 'drat' repository. To install this data package, run 'install.packages("asteRiskData", repos="https://rafael-ayala.github.io/drat/")'. Felix R. Hoots, Ronald L. Roehrich and T.S. Kelso (1988) . David Vallado, Paul Crawford, Richard Hujsak and T.S. Kelso (2012) . Felix R. Hoots, Paul W. Schumacher Jr. and Robert A. Glover (2014) .

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Version

Install

install.packages('asteRisk')

Monthly Downloads

427

Version

1.0.0

License

GPL-3

Maintainer

Rafael Ayala

Last Published

May 3rd, 2021

Functions in asteRisk (1.0.0)

ECItoKOE

Calculate ECI coordinates from Keplerian orbital elements
ECEFtoLATLON

Convert coordinates from ECEF to geodetic latitude, longitude and altitude
ECEFtoGCRF

Convert coordinates from ECEF to GCRF
TEMEtoLATLON

Convert coordinates from TEME to geodetic latitude, longitude and altitude
TEMEtoGCRF

Convert coordinates from TEME to GCRF
TEMEtoECEF

Convert coordinates from TEME to ECEF
GCRFtoECEF

Convert coordinates from GCRF to ECEF
getLatestSpaceData

Retrieves the latest space data
parseTLElines

Parse the lines of a TLE
hpop

High-precision numerical orbital propagator
sdp4

Propagate an orbital state vector with the SDP4 model
readTLE

Read a TLE file
sgdp4

Propagate an orbital state vector with the SGP4/SDP4 model
sgp4

Propagate an orbital state vector with the SGP4 model
GCRFtoLATLON

Convert coordinates from GCRF to geodetic latitude, longitude and altitude
KOEtoECI

Calculate ECI coordinates from Keplerian orbital elements