Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 9 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)
 09/19/2018   15:21:46   (   0.01, -75.20) (  -0.53, -72.56)  299.35                80
 09/20/2018   03:43:10   (  -0.01, -75.21) (  -0.58, -77.76)  290.44                80
 09/22/2018   03:28:18   (  -0.00, -75.22) (   0.05, -74.80)   46.91                80
 09/24/2018   03:16:07   (   0.00, -75.23) (   0.74, -71.85)  384.65                80
 09/24/2018   15:37:22   (  -0.00, -75.23) (   0.38, -77.01)  201.60                80
 09/26/2018   15:27:50   (  -0.00, -75.26) (  -0.23, -74.05)  136.96                80
 09/27/2018   03:49:15   (   0.00, -75.27) (  -0.81, -79.25)  452.23                80
 09/28/2018   15:15:39   (  -0.01, -75.28) (  -0.91, -71.10)  475.67                80
 09/29/2018   03:37:03   (   0.01, -75.29) (  -0.20, -76.29)  113.48                80
 10/01/2018   03:22:11   (   0.01, -75.32) (   0.41, -73.33)  225.30                80
 10/01/2018   15:43:26   (  -0.01, -75.32) (   0.66, -78.50)  360.99                80