Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 7 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/18/2020   19:02:51   (   0.00,-128.38) (  -0.13,-127.81)   65.09                80
 07/20/2020   18:50:41   (   0.01,-128.38) (  -0.77,-124.85)  401.92                80
 07/21/2020   07:12:04   (  -0.00,-128.40) (  -0.35,-130.04)  186.46                80
 07/23/2020   06:57:13   (   0.01,-128.40) (   0.28,-127.09)  149.18                80
 07/23/2020   19:18:29   (  -0.02,-128.38) (   0.79,-132.25)  439.79                80
 07/25/2020   06:45:02   (   0.02,-128.40) (   0.93,-124.13)  484.73                80
 07/25/2020   19:06:18   (  -0.02,-128.37) (   0.14,-129.29)  104.13                80
 07/27/2020   18:56:46   (  -0.02,-128.36) (  -0.44,-126.33)  231.37                80
 07/28/2020   07:18:10   (   0.02,-128.39) (  -0.68,-131.52)  356.47                80
 07/30/2020   07:05:58   (  -0.02,-128.37) (  -0.08,-128.55)   21.39                80