Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 12 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)
 12/20/2018   03:21:10   (   0.01, -75.19) (   0.46, -73.08)  240.49                80
 12/20/2018   15:42:26   (  -0.01, -75.21) (   0.62, -78.24)  343.92                80
 12/22/2018   15:30:15   (  -0.01, -75.23) (  -0.01, -75.28)    5.71                80
 12/24/2018   15:20:44   (  -0.00, -75.25) (  -0.64, -72.33)  333.17                80
 12/25/2018   03:42:08   (   0.01, -75.25) (  -0.48, -77.51)  257.81                80
 12/27/2018   03:27:17   (   0.00, -75.28) (   0.15, -74.56)   81.63                80
 12/29/2018   03:15:06   (  -0.00, -75.31) (   0.79, -71.60)  421.84                80
 12/29/2018   15:36:22   (  -0.00, -75.34) (   0.29, -76.77)  162.26                80
 12/31/2018   15:26:51   (  -0.00, -75.38) (  -0.34, -73.81)  178.79                80
 01/01/2019   03:48:14   (   0.01, -75.38) (  -0.77, -79.00)  411.34                80