Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 9 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2018   15:46:11   (   0.01, -75.22) (   0.69, -78.49)  371.43                80
 09/17/2018   15:33:58   (   0.01, -75.24) (   0.08, -75.52)   32.14                80
 09/19/2018   15:19:05   (   0.01, -75.27) (  -0.54, -72.56)  307.78                80
 09/20/2018   03:43:09   (  -0.02, -75.28) (  -0.55, -77.75)  281.04                80
 09/22/2018   03:28:16   (  -0.02, -75.32) (   0.09, -74.79)   59.68                80
 09/24/2018   03:16:03   (  -0.02, -75.36) (   0.74, -71.83)  401.05                80
 09/24/2018   15:39:58   (   0.02, -75.37) (   0.36, -76.99)  184.25                80
 09/26/2018   15:25:04   (   0.02, -75.41) (  -0.25, -74.02)  157.90                80
 09/27/2018   03:49:07   (  -0.02, -75.43) (  -0.83, -79.21)  430.25                80