Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2018   15:26:47   (   0.03, -75.14) (  -0.24, -73.78)  154.17                80
 12/16/2018   03:45:32   (  -0.03, -75.14) (  -0.83, -78.98)  436.36                80
 12/17/2018   15:14:37   (   0.03, -75.15) (  -0.91, -70.84)  491.35                80
 12/18/2018   03:33:21   (  -0.03, -75.15) (  -0.21, -76.03)   99.11                80
 12/20/2018   03:23:50   (  -0.03, -75.17) (   0.40, -73.07)  238.31                80
 12/20/2018   15:42:26   (   0.02, -75.17) (   0.68, -78.23)  347.47                80
 12/22/2018   15:30:15   (   0.03, -75.19) (   0.07, -75.27)   10.30                80
 12/24/2018   15:20:45   (   0.04, -75.20) (  -0.60, -72.32)  328.01                80
 12/25/2018   03:39:29   (  -0.03, -75.21) (  -0.53, -77.51)  262.17                80
 12/27/2018   03:29:58   (  -0.04, -75.23) (   0.08, -74.55)   76.53                80