Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 9 19.  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   15:21:47   (   0.00, -75.22) (  -0.58, -72.57)  301.24                80
 09/20/2018   03:43:11   (  -0.00, -75.23) (  -0.52, -77.77)  288.17                80
 09/22/2018   03:28:18   (  -0.00, -75.25) (   0.07, -74.80)   50.56                80
 09/24/2018   03:16:06   (  -0.00, -75.27) (   0.73, -71.85)  389.83                80
 09/24/2018   15:40:00   (   0.00, -75.28) (   0.38, -77.00)  196.06                80
 09/26/2018   15:25:08   (   0.00, -75.31) (  -0.29, -74.05)  143.95                80
 09/27/2018   03:49:12   (  -0.00, -75.32) (  -0.81, -79.24)  444.79                80
 09/28/2018   15:12:56   (   0.00, -75.35) (  -0.89, -71.09)  484.26                80
 09/29/2018   03:36:59   (  -0.00, -75.36) (  -0.20, -76.28)  104.38                80
 10/01/2018   03:22:06   (  -0.01, -75.40) (   0.42, -73.32)  236.25                80
 10/01/2018   15:46:01   (   0.01, -75.40) (   0.69, -78.47)  349.54                80