Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 7 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)
 07/27/2021   07:37:10   (   0.02,-137.14) (  -0.13,-137.81)   75.78                80
 07/29/2021   07:27:37   (   0.02,-137.12) (   0.50,-134.85)  257.92                80
 07/29/2021   19:46:11   (  -0.02,-137.13) (   0.60,-140.01)  327.82                80
 07/31/2021   19:36:38   (  -0.02,-137.10) (  -0.03,-137.05)    5.44                80
 08/02/2021   19:24:26   (  -0.01,-137.07) (  -0.67,-134.10)  338.06                80
 08/03/2021   07:43:08   (   0.01,-137.04) (  -0.48,-139.28)  254.80                80
 08/05/2021   07:30:54   (  -0.01,-137.00) (   0.10,-136.32)   77.12                80
 08/07/2021   07:18:41   (  -0.00,-136.95) (   0.75,-133.36)  407.62                80
 08/07/2021   19:39:56   (   0.00,-136.95) (   0.35,-138.52)  179.05                80