More recently Dr Standish has collaborated with Dr. Elena V. Pitjeva and Dr. Agnes Fienga on the topic of a better determination of the Astronomical Unit and of the masses of the asteroids.
However, the inclusion of the radiometric data from the Magellan orbiter recently allowed Pitjeva to greatly improve the determination of the unmodelled precession of the perihelion of Venus.
Elena | Elena Bashkirova | Elena of Montenegro | Elena Gerhardt | Elena Beloff | Santa Elena | María Elena Walsh | Elena Ledda | Elena Kagan | Elena Ceauşescu | Maria Elena | Elena Paparizou | Elena Delgado | Elena Burke | Santa Elena de Uairén | María Elena Batista | María Elena | Infanta Elena, Duchess of Lugo | Infanta Elena | Elena V. Pitjeva | Elena Vesnina | Elena Rzhevskaya | Elena Kamburova | Elena Kaliská | Elena Chernenko | Elena Bomeshko | Elena Arzak | Santa Elena, Ecuador | Princess Elena of Romania | Paride ed Elena |