Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 4 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/12/2018   15:21:19   (   0.01, -75.23) (  -0.59, -72.41)  320.84                80
 04/13/2018   03:42:43   (  -0.01, -75.22) (  -0.49, -77.61)  271.64                80
 04/15/2018   03:27:53   (  -0.01, -75.25) (   0.09, -74.65)   67.33                80
 04/17/2018   03:15:45   (  -0.01, -75.29) (   0.74, -71.71)  406.48                80
 04/17/2018   15:37:01   (   0.01, -75.32) (   0.31, -76.88)  176.55                80
 04/19/2018   15:27:31   (   0.01, -75.36) (  -0.28, -73.92)  162.88                80
 04/20/2018   03:48:56   (  -0.01, -75.35) (  -0.80, -79.12)  429.08                80
 04/22/2018   03:36:46   (  -0.01, -75.39) (  -0.20, -76.17)   89.48                80
 04/24/2018   03:21:57   (  -0.01, -75.43) (   0.46, -73.22)  250.83                80
 04/24/2018   15:43:13   (   0.01, -75.46) (   0.65, -78.38)  332.11                80