Terrenus HRPT v2.2

terrenus.orbit
Interface OrbitalElementSource

All Known Implementing Classes:
AbstractOrbitalElementSource, ArchiveElementSource, CurrentElementSource, OrbitalElementManager, QuorumFile

public interface OrbitalElementSource

The OrbitalElementSource interface is for providers of two-line orbital elements for the SGP4/SDP4 orbital model.


Method Summary
 java.lang.String[] getElements(int satid, java.util.Date date, double maxDays)
          Gets the orbital elements for the specified satellite and date.
 

Method Detail

getElements

java.lang.String[] getElements(int satid,
                               java.util.Date date,
                               double maxDays)
Gets the orbital elements for the specified satellite and date.

Parameters:
satid - the NORAD orbital element ID for the satellite.
date - the date for orbital element retrieval.
maxDays - the maximum allowed difference between date and orbital element epoch in days.
Returns:
the orbital elements as two strings, or null if none could be found within the specified tolerance.

Terrenus HRPT v2.2