Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 7 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/11/2021   07:37:26   (  -0.01,-137.18) (  -0.16,-137.81)   72.31                80
 07/13/2021   07:27:54   (  -0.00,-137.17) (   0.51,-134.86)  262.98                80
 07/13/2021   19:46:28   (  -0.00,-137.16) (   0.58,-140.02)  324.15                80
 07/15/2021   19:36:54   (  -0.01,-137.15) (  -0.03,-137.06)   10.57                80
 07/17/2021   19:24:40   (  -0.00,-137.13) (  -0.65,-134.09)  344.79                80
 07/18/2021   07:43:24   (   0.00,-137.12) (  -0.43,-139.29)  246.05                80
 07/20/2021   07:33:49   (  -0.01,-137.09) (   0.13,-136.32)   87.33                80
 07/22/2021   07:21:35   (  -0.02,-137.05) (   0.76,-133.36)  419.74                80
 07/22/2021   19:40:10   (   0.02,-137.04) (   0.34,-138.51)  168.17                80