Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 5 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 05/07/2021   22:28:02   (   0.02,-137.19) (   0.22,-136.16)  116.47                80
 05/09/2021   10:52:30   (  -0.01,-137.18) (   0.95,-141.44)  485.57                80
 05/10/2021   10:31:06   (  -0.02,-137.17) (  -0.05,-136.91)   29.80                80
 05/12/2021   22:34:19   (   0.02,-137.15) (  -0.11,-137.69)   61.37                80
 05/13/2021   22:18:14   (   0.02,-137.14) (   0.89,-133.16)  453.37                80
 05/15/2021   10:40:02   (  -0.01,-137.11) (   0.28,-138.43)  150.36                80
 05/16/2021   10:18:38   (  -0.01,-137.09) (  -0.73,-133.90)  363.83                80
 05/17/2021   22:40:34   (   0.01,-137.07) (  -0.49,-139.20)  243.99                80
 05/18/2021   22:24:30   (   0.01,-137.04) (   0.51,-134.67)  269.98                80
 05/20/2021   10:46:18   (  -0.00,-137.01) (   0.66,-139.94)  334.81                80