Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 3 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/18/2018   15:26:54   (   0.01, -75.22) (  -0.27, -73.77)  163.62                80
 03/19/2018   03:48:18   (  -0.01, -75.20) (  -0.83, -78.97)  429.39                80
 03/21/2018   03:33:31   (  -0.01, -75.23) (  -0.21, -76.03)   92.04                80
 03/23/2018   03:21:26   (  -0.01, -75.26) (   0.45, -73.10)  244.79                80
 03/23/2018   15:42:44   (   0.01, -75.29) (   0.62, -78.27)  338.71                80
 03/25/2018   15:30:40   (   0.01, -75.32) (   0.01, -75.34)    2.49                80
 03/27/2018   15:21:18   (   0.01, -75.36) (  -0.62, -72.43)  333.64                80
 03/28/2018   03:42:45   (  -0.01, -75.35) (  -0.46, -77.63)  259.53                80
 03/30/2018   03:28:04   (  -0.01, -75.39) (   0.12, -74.71)   76.87                80