Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 1 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/11/2021   07:21:36   (   0.01,-137.24) (   0.85,-133.40)  436.70                80
 01/11/2021   19:45:31   (  -0.01,-137.25) (   0.27,-138.55)  148.46                80
 01/13/2021   19:30:39   (  -0.02,-137.25) (  -0.37,-135.60)  187.85                80
 01/14/2021   07:54:43   (   0.02,-137.24) (  -0.73,-140.79)  403.51                80
 01/16/2021   07:39:50   (  -0.01,-137.25) (  -0.15,-137.82)   66.41                80
 01/18/2021   07:27:38   (  -0.02,-137.25) (   0.49,-134.87)  270.21                80
 01/18/2021   19:48:53   (   0.02,-137.25) (   0.62,-140.02)  315.19                80
 01/20/2021   19:39:21   (   0.02,-137.25) (  -0.02,-137.07)   20.50                80
 01/22/2021   19:27:09   (  -0.01,-137.24) (  -0.67,-134.12)  354.90                80
 01/23/2021   07:45:53   (   0.01,-137.23) (  -0.43,-139.31)  236.94                80