Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 6 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2021   07:22:12   (  -0.02,-137.19) (   0.81,-133.39)  432.80                80
 06/20/2021   19:40:47   (   0.02,-137.19) (   0.29,-138.54)  153.50                80
 06/22/2021   19:31:13   (   0.02,-137.18) (  -0.29,-135.58)  181.37                80
 06/23/2021   07:49:57   (  -0.02,-137.17) (  -0.81,-140.77)  410.04                80
 06/25/2021   07:37:44   (  -0.02,-137.15) (  -0.17,-137.82)   76.29                80
 06/27/2021   07:28:11   (  -0.02,-137.12) (   0.48,-134.86)  257.01                80
 06/27/2021   19:46:45   (   0.02,-137.12) (   0.62,-140.02)  329.94                80
 06/29/2021   19:34:32   (   0.02,-137.09) (   0.04,-137.05)    4.48                80
 07/01/2021   19:24:59   (   0.02,-137.06) (  -0.61,-134.10)  336.22                80
 07/02/2021   07:43:42   (  -0.01,-137.05) (  -0.48,-139.30)  255.32                80