Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 8 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/12/2021   07:36:55   (   0.03,-137.19) (  -0.09,-137.82)   71.04                80
 08/14/2021   07:27:21   (   0.03,-137.19) (   0.51,-134.86)  264.28                80
 08/14/2021   19:45:56   (  -0.03,-137.19) (   0.59,-140.02)  321.94                80
 08/16/2021   19:36:23   (  -0.02,-137.17) (  -0.07,-137.06)   12.50                80
 08/18/2021   19:24:09   (  -0.02,-137.14) (  -0.67,-134.10)  345.49                80
 08/19/2021   07:42:53   (   0.02,-137.13) (  -0.42,-139.30)  246.44                80
 08/21/2021   07:30:39   (   0.01,-137.09) (   0.18,-136.33)   86.75                80
 08/23/2021   07:18:25   (   0.01,-137.06) (   0.79,-133.37)  419.41                80
 08/23/2021   19:39:40   (  -0.01,-137.06) (   0.30,-138.53)  167.37                80