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. |
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.