Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 5 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/17/2021   07:34:57   (  -0.04,-137.19) (   0.12,-136.34)   95.86                80
 05/17/2021   19:53:32   (   0.04,-137.19) (   0.97,-141.50)  490.78                80
 05/19/2021   07:22:44   (  -0.03,-137.18) (   0.78,-133.39)  430.98                80
 05/19/2021   19:41:19   (   0.03,-137.18) (   0.31,-138.55)  155.74                80
 05/21/2021   19:31:45   (   0.03,-137.16) (  -0.29,-135.59)  178.92                80
 05/22/2021   07:50:29   (  -0.03,-137.16) (  -0.80,-140.78)  412.05                80
 05/24/2021   07:38:15   (  -0.03,-137.13) (  -0.19,-137.82)   78.19                80
 05/26/2021   07:28:42   (  -0.02,-137.10) (   0.48,-134.87)  254.81                80
 05/26/2021   19:47:15   (   0.02,-137.09) (   0.67,-140.01)  332.71                80
 05/28/2021   19:35:02   (   0.01,-137.05) (  -0.00,-137.06)    2.41                80