JupiterOpp returns the time of an opposition of Jupiter.

MarsOpp returns the time of an opposition of Mars.

MercuryEastElongation returns the time and elongation of a greatest eastern elongation of Mercury.

MercuryInfConj returns the time of an inferior conjunction of Mercury.

MercurySupConj returns the time of a superior conjunction of Mercury.

MercuryWestElongation returns the time and elongation of a greatest western elongation of Mercury.

NeptuneOpp returns the time of an opposition of Neptune.

SaturnConj returns the time of a conjunction of Saturn.

SaturnOpp returns the time of an opposition of Saturn.

UranusOpp returns the time of an opposition of Uranus.

VenusInfConj returns the time of an inferior conjunction of Venus.