Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/06/2021   06:43:56   (  -0.16,-128.28) (   0.71,-124.09)  475.79                80
 03/06/2021   19:05:12   (   0.16,-128.37) (   0.34,-129.26)  100.47                80
 03/08/2021   18:55:39   (   0.16,-128.40) (  -0.26,-126.30)  238.13                80
 03/09/2021   07:17:03   (  -0.16,-128.32) (  -0.83,-131.49)  360.67                80
 03/11/2021   07:04:50   (  -0.16,-128.34) (  -0.23,-128.53)   22.44                80
 03/13/2021   06:49:58   (  -0.16,-128.36) (   0.44,-125.58)  316.38                80
 03/13/2021   19:11:12   (   0.16,-128.45) (   0.67,-130.74)  260.54                80
 03/15/2021   19:01:40   (   0.16,-128.47) (  -0.01,-127.79)   77.92                80
 03/17/2021   18:49:28   (   0.15,-128.49) (  -0.62,-124.83)  415.81                80
 03/18/2021   07:10:51   (  -0.15,-128.41) (  -0.47,-130.02)  182.78                80