Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 5 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/14/2021   19:25:47   (   0.04,-137.17) (  -0.60,-134.11)  348.10                80
 05/15/2021   07:44:31   (  -0.04,-137.16) (  -0.49,-139.31)  243.53                80
 05/17/2021   07:34:57   (  -0.03,-137.14) (   0.11,-136.34)   89.91                80
 05/17/2021   19:53:31   (   0.03,-137.13) (   0.98,-141.50)  496.86                80
 05/19/2021   07:22:44   (  -0.03,-137.11) (   0.77,-133.39)  422.73                80
 05/19/2021   19:41:18   (   0.02,-137.10) (   0.31,-138.55)  164.11                80
 05/21/2021   19:31:45   (   0.02,-137.07) (  -0.29,-135.59)  168.28                80
 05/22/2021   07:50:28   (  -0.02,-137.05) (  -0.79,-140.78)  423.70                80
 05/24/2021   07:38:14   (  -0.02,-137.01) (  -0.18,-137.82)   92.08                80
 05/26/2021   07:28:40   (  -0.01,-136.95) (   0.44,-134.86)  238.63                80
 05/26/2021   19:47:15   (   0.01,-136.94) (   0.65,-140.02)  348.97                80