Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 5 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/21/2021   19:31:45   (   0.04,-137.20) (  -0.32,-135.59)  183.24                80
 05/22/2021   07:50:29   (  -0.03,-137.19) (  -0.76,-140.79)  407.83                80
 05/24/2021   07:38:15   (  -0.03,-137.18) (  -0.16,-137.82)   72.56                80
 05/26/2021   07:28:41   (  -0.03,-137.16) (   0.46,-134.86)  261.79                80
 05/26/2021   19:47:16   (   0.03,-137.16) (   0.63,-140.02)  324.93                80
 05/28/2021   19:37:42   (   0.02,-137.13) (   0.01,-137.06)    8.31                80
 05/30/2021   19:25:28   (   0.02,-137.10) (  -0.61,-134.10)  341.10                80
 05/31/2021   07:46:52   (  -0.01,-137.09) (  -0.47,-139.29)  250.53                80
 06/02/2021   07:31:58   (  -0.01,-137.05) (   0.16,-136.33)   82.23                80