Tests of GR with INPOP15a planetary ephemerides: estimations of possible   supplementary advances of perihelia for Mercury and Saturn
  Planetary ephemerides are a good tool for studying general relativity at the scale of our solar system. We present here new evaluations of advances of perihelia for Mercury and Saturn. 
A. Fienga, J. Laskar, H. Manche, M. Gastineau
gr-qc astro-ph.EP