Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 3 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/25/2021   19:38:37   (   0.05,-137.21) (  -0.01,-137.06)   18.44                80
 03/27/2021   19:26:24   (   0.04,-137.22) (  -0.65,-134.10)  354.93                80
 03/28/2021   07:47:47   (  -0.05,-137.21) (  -0.50,-139.28)  235.81                80
 03/30/2021   07:32:54   (  -0.05,-137.21) (   0.14,-136.33)  100.19                80
 03/30/2021   19:54:09   (   0.05,-137.21) (   0.96,-141.48)  486.07                80
 04/01/2021   07:20:41   (  -0.04,-137.20) (   0.78,-133.37)  435.31                80
 04/01/2021   19:41:56   (   0.04,-137.20) (   0.32,-138.53)  151.18                80
 04/03/2021   19:32:23   (   0.04,-137.18) (  -0.32,-135.57)  182.86                80
 04/04/2021   07:53:46   (  -0.04,-137.17) (  -0.82,-140.76)  408.40                80
 04/06/2021   07:41:33   (  -0.03,-137.14) (  -0.17,-137.80)   74.95                80