Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 5 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/22/2021   07:50:28   (  -0.04,-137.19) (  -0.82,-140.77)  407.81                80
 05/24/2021   07:38:15   (  -0.04,-137.18) (  -0.15,-137.82)   72.51                80
 05/26/2021   07:28:41   (  -0.04,-137.16) (   0.46,-134.86)  261.90                80
 05/26/2021   19:47:16   (   0.03,-137.16) (   0.63,-140.02)  324.60                80
 05/28/2021   19:37:42   (   0.03,-137.13) (   0.02,-137.06)    8.69                80
 05/30/2021   19:25:28   (   0.02,-137.10) (  -0.60,-134.10)  341.52                80
 05/31/2021   07:46:52   (  -0.02,-137.09) (  -0.48,-139.29)  250.33                80
 06/02/2021   07:31:58   (  -0.02,-137.06) (   0.14,-136.33)   82.43                80
 06/04/2021   07:19:44   (  -0.01,-137.02) (   0.77,-133.37)  415.06                80
 06/04/2021   19:40:59   (   0.01,-137.01) (   0.32,-138.53)  171.92                80