Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 3 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/19/2021   07:54:00   (  -0.05,-137.20) (  -0.82,-140.76)  405.47                80
 03/21/2021   07:41:47   (  -0.04,-137.19) (  -0.20,-137.81)   70.90                80
 03/23/2021   07:26:54   (  -0.04,-137.17) (   0.43,-134.85)  263.06                80
 03/23/2021   19:48:10   (   0.04,-137.17) (   0.62,-140.02)  323.46                80
 03/25/2021   19:38:37   (   0.03,-137.14) (  -0.01,-137.06)   10.16                80
 03/27/2021   19:26:23   (   0.03,-137.11) (  -0.58,-134.09)  342.44                80
 03/28/2021   07:47:47   (  -0.03,-137.09) (  -0.50,-139.28)  249.46                80
 03/30/2021   07:32:54   (  -0.03,-137.05) (   0.13,-136.33)   82.65                80
 04/01/2021   07:20:40   (  -0.03,-137.01) (   0.71,-133.36)  413.89                80
 04/01/2021   19:41:56   (   0.03,-137.00) (   0.33,-138.53)  173.54                80