diff --git a/NumericalData/AMDA/Ephemerides/mars-moons-orb.xml b/NumericalData/AMDA/Ephemerides/mars-moons-orb.xml
index fc4a283..964b11a 100644
--- a/NumericalData/AMDA/Ephemerides/mars-moons-orb.xml
+++ b/NumericalData/AMDA/Ephemerides/mars-moons-orb.xml
@@ -29,7 +29,7 @@
                 <StartDate>1970-01-02T00:00:00Z</StartDate>
                 <StopDate>2023-12-31T00:00:00Z</StopDate>
             </TimeSpan>
-            <Cadence>PT60M</Cadence>
+            <Cadence>PT20M</Cadence>
         </TemporalDescription>
         <ObservedRegion>Mars</ObservedRegion>
         <ObservedRegion>Mars.Deimos</ObservedRegion>
--
libgit2 0.21.2