Since the last report, Commission 7 has supported IAU Symposium No. 172 “Dynamics, Ephemerides and Astrometry of the Solar System” (Paris, 1995) and co-supported IAU Colloquium No. 165 “Dynamics and Astrometry of Natural and Artificial Celestial Bodies” (Poznari, Poland, July 1996). During the 22nd General Assembly (The Hague, 1994), the Commission co-supported the joint discussions “Time scales: state of the art” and “Nutations” as well as the working group meeting “Near-Earth Objects Detection”.