Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 4 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/01/2021   19:41:56   (   0.04,-137.21) (   0.33,-138.53)  149.61                80
 04/03/2021   19:32:24   (   0.04,-137.20) (  -0.32,-135.58)  184.33                80
 04/04/2021   07:53:48   (  -0.04,-137.18) (  -0.79,-140.77)  408.36                80
 04/06/2021   07:41:35   (  -0.03,-137.15) (  -0.20,-137.81)   75.04                80
 04/08/2021   07:26:43   (  -0.03,-137.13) (   0.45,-134.86)  258.33                80
 04/08/2021   19:47:58   (   0.03,-137.14) (   0.66,-140.01)  327.29                80
 04/10/2021   19:38:26   (   0.03,-137.11) (   0.01,-137.06)    5.92                80
 04/12/2021   19:26:13   (   0.03,-137.08) (  -0.58,-134.10)  338.68                80
 04/13/2021   07:47:37   (  -0.03,-137.06) (  -0.51,-139.30)  254.22                80